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Merge pull request #432 from KeyboardNerd/ancestry_

Browse Source 
gRPC API & internals redesign
This commit is contained in:
Jimmy Zelinskie 2017-08-17 13:07:19 -04:00 committed by GitHub
commit 6663bcef27
85 changed files with 7591 additions and 5907 deletions
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39
api/api.go
View File

@ -26,7 +26,7 @@ import (
log "github.com/sirupsen/logrus"
"github.com/tylerb/graceful"
"github.com/coreos/clair/api/v2"
"github.com/coreos/clair/api/v3"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/stopper"
)
@ -35,11 +35,9 @@ const timeoutResponse = `{"Error":{"Message":"Clair failed to respond within the
// Config is the configuration for the API service.
type Config struct {
Port int
GrpcPort int
HealthPort int
Timeout time.Duration
PaginationKey string
CertFile, KeyFile, CAFile string
}
@ -51,40 +49,7 @@ func RunV2(cfg *Config, store database.Datastore) {
if tlsConfig != nil {
log.Info("main API configured with client certificate authentication")
}
v2.Run(cfg.GrpcPort, tlsConfig, cfg.PaginationKey, cfg.CertFile, cfg.KeyFile, store)
}
func Run(cfg *Config, store database.Datastore, st *stopper.Stopper) {
defer st.End()
// Do not run the API service if there is no config.
if cfg == nil {
log.Info("main API service is disabled.")
return
}
log.WithField("port", cfg.Port).Info("starting main API")
tlsConfig, err := tlsClientConfig(cfg.CAFile)
if err != nil {
log.WithError(err).Fatal("could not initialize client cert authentication")
}
if tlsConfig != nil {
log.Info("main API configured with client certificate authentication")
}
srv := &graceful.Server{
Timeout: 0, // Already handled by our TimeOut middleware
NoSignalHandling: true, // We want to use our own Stopper
Server: &http.Server{
Addr: ":" + strconv.Itoa(cfg.Port),
TLSConfig: tlsConfig,
Handler: http.TimeoutHandler(newAPIHandler(cfg, store), cfg.Timeout, timeoutResponse),
},
}
listenAndServeWithStopper(srv, st, cfg.CertFile, cfg.KeyFile)
log.Info("main API stopped")
v3.Run(cfg.GrpcPort, tlsConfig, cfg.CertFile, cfg.KeyFile, store)
}
func RunHealth(cfg *Config, store database.Datastore, st *stopper.Stopper) {

32
api/router.go
View File

@ -16,13 +16,9 @@ package api
import (
"net/http"
"strings"
"github.com/julienschmidt/httprouter"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/api/httputil"
"github.com/coreos/clair/api/v1"
"github.com/coreos/clair/database"
)
@ -30,34 +26,6 @@ import (
// depending on the API version specified in the request URI.
type router map[string]*httprouter.Router
// Let's hope we never have more than 99 API versions.
const apiVersionLength = len("v99")
func newAPIHandler(cfg *Config, store database.Datastore) http.Handler {
router := make(router)
router["/v1"] = v1.NewRouter(store, cfg.PaginationKey)
return router
}
func (rtr router) ServeHTTP(w http.ResponseWriter, r *http.Request) {
urlStr := r.URL.String()
var version string
if len(urlStr) >= apiVersionLength {
version = urlStr[:apiVersionLength]
}
if router, _ := rtr[version]; router != nil {
// Remove the version number from the request path to let the router do its
// job but do not update the RequestURI
r.URL.Path = strings.Replace(r.URL.Path, version, "", 1)
router.ServeHTTP(w, r)
return
}
log.WithFields(log.Fields{"status": http.StatusNotFound, "method": r.Method, "request uri": r.RequestURI, "remote addr": httputil.GetClientAddr(r)}).Info("Served HTTP request")
http.NotFound(w, r)
}
func newHealthHandler(store database.Datastore) http.Handler {
router := httprouter.New()
router.GET("/health", healthHandler(store))

317
api/v1/models.go
View File

@ -1,317 +0,0 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v1
import (
"fmt"
"github.com/coreos/clair/api/token"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
)
type Error struct {
Message string `json:"Message,omitempty"`
}
type Layer struct {
Name string `json:"Name,omitempty"`
NamespaceNames []string `json:"NamespaceNames,omitempty"`
Path string `json:"Path,omitempty"`
Headers map[string]string `json:"Headers,omitempty"`
ParentName string `json:"ParentName,omitempty"`
Format string `json:"Format,omitempty"`
IndexedByVersion int `json:"IndexedByVersion,omitempty"`
Features []Feature `json:"Features,omitempty"`
}
func LayerFromDatabaseModel(dbLayer database.Layer, withFeatures, withVulnerabilities bool) Layer {
layer := Layer{
Name: dbLayer.Name,
IndexedByVersion: dbLayer.EngineVersion,
}
if dbLayer.Parent != nil {
layer.ParentName = dbLayer.Parent.Name
}
for _, ns := range dbLayer.Namespaces {
layer.NamespaceNames = append(layer.NamespaceNames, ns.Name)
}
if withFeatures || withVulnerabilities && dbLayer.Features != nil {
for _, dbFeatureVersion := range dbLayer.Features {
feature := Feature{
Name: dbFeatureVersion.Feature.Name,
NamespaceName: dbFeatureVersion.Feature.Namespace.Name,
VersionFormat: dbFeatureVersion.Feature.Namespace.VersionFormat,
Version: dbFeatureVersion.Version,
AddedBy: dbFeatureVersion.AddedBy.Name,
}
for _, dbVuln := range dbFeatureVersion.AffectedBy {
vuln := Vulnerability{
Name: dbVuln.Name,
NamespaceName: dbVuln.Namespace.Name,
Description: dbVuln.Description,
Link: dbVuln.Link,
Severity: string(dbVuln.Severity),
Metadata: dbVuln.Metadata,
}
if dbVuln.FixedBy != versionfmt.MaxVersion {
vuln.FixedBy = dbVuln.FixedBy
}
feature.Vulnerabilities = append(feature.Vulnerabilities, vuln)
}
layer.Features = append(layer.Features, feature)
}
}
return layer
}
type Namespace struct {
Name string `json:"Name,omitempty"`
VersionFormat string `json:"VersionFormat,omitempty"`
}
type Vulnerability struct {
Name string `json:"Name,omitempty"`
NamespaceName string `json:"NamespaceName,omitempty"`
Description string `json:"Description,omitempty"`
Link string `json:"Link,omitempty"`
Severity string `json:"Severity,omitempty"`
Metadata map[string]interface{} `json:"Metadata,omitempty"`
FixedBy string `json:"FixedBy,omitempty"`
FixedIn []Feature `json:"FixedIn,omitempty"`
}
func (v Vulnerability) DatabaseModel() (database.Vulnerability, error) {
severity, err := database.NewSeverity(v.Severity)
if err != nil {
return database.Vulnerability{}, err
}
var dbFeatures []database.FeatureVersion
for _, feature := range v.FixedIn {
dbFeature, err := feature.DatabaseModel()
if err != nil {
return database.Vulnerability{}, err
}
dbFeatures = append(dbFeatures, dbFeature)
}
return database.Vulnerability{
Name: v.Name,
Namespace: database.Namespace{Name: v.NamespaceName},
Description: v.Description,
Link: v.Link,
Severity: severity,
Metadata: v.Metadata,
FixedIn: dbFeatures,
}, nil
}
func VulnerabilityFromDatabaseModel(dbVuln database.Vulnerability, withFixedIn bool) Vulnerability {
vuln := Vulnerability{
Name: dbVuln.Name,
NamespaceName: dbVuln.Namespace.Name,
Description: dbVuln.Description,
Link: dbVuln.Link,
Severity: string(dbVuln.Severity),
Metadata: dbVuln.Metadata,
}
if withFixedIn {
for _, dbFeatureVersion := range dbVuln.FixedIn {
vuln.FixedIn = append(vuln.FixedIn, FeatureFromDatabaseModel(dbFeatureVersion))
}
}
return vuln
}
type Feature struct {
Name string `json:"Name,omitempty"`
NamespaceName string `json:"NamespaceName,omitempty"`
VersionFormat string `json:"VersionFormat,omitempty"`
Version string `json:"Version,omitempty"`
Vulnerabilities []Vulnerability `json:"Vulnerabilities,omitempty"`
AddedBy string `json:"AddedBy,omitempty"`
}
func FeatureFromDatabaseModel(dbFeatureVersion database.FeatureVersion) Feature {
version := dbFeatureVersion.Version
if version == versionfmt.MaxVersion {
version = "None"
}
return Feature{
Name: dbFeatureVersion.Feature.Name,
NamespaceName: dbFeatureVersion.Feature.Namespace.Name,
VersionFormat: dbFeatureVersion.Feature.Namespace.VersionFormat,
Version: version,
AddedBy: dbFeatureVersion.AddedBy.Name,
}
}
func (f Feature) DatabaseModel() (fv database.FeatureVersion, err error) {
var version string
if f.Version == "None" {
version = versionfmt.MaxVersion
} else {
err = versionfmt.Valid(f.VersionFormat, f.Version)
if err != nil {
return
}
version = f.Version
}
fv = database.FeatureVersion{
Feature: database.Feature{
Name: f.Name,
Namespace: database.Namespace{
Name: f.NamespaceName,
VersionFormat: f.VersionFormat,
},
},
Version: version,
}
return
}
type Notification struct {
Name string `json:"Name,omitempty"`
Created string `json:"Created,omitempty"`
Notified string `json:"Notified,omitempty"`
Deleted string `json:"Deleted,omitempty"`
Limit int `json:"Limit,omitempty"`
Page string `json:"Page,omitempty"`
NextPage string `json:"NextPage,omitempty"`
Old *VulnerabilityWithLayers `json:"Old,omitempty"`
New *VulnerabilityWithLayers `json:"New,omitempty"`
}
func NotificationFromDatabaseModel(dbNotification database.VulnerabilityNotification, limit int, pageToken string, nextPage database.VulnerabilityNotificationPageNumber, key string) Notification {
var oldVuln *VulnerabilityWithLayers
if dbNotification.OldVulnerability != nil {
v := VulnerabilityWithLayersFromDatabaseModel(*dbNotification.OldVulnerability)
oldVuln = &v
}
var newVuln *VulnerabilityWithLayers
if dbNotification.NewVulnerability != nil {
v := VulnerabilityWithLayersFromDatabaseModel(*dbNotification.NewVulnerability)
newVuln = &v
}
var nextPageStr string
if nextPage != database.NoVulnerabilityNotificationPage {
nextPageBytes, _ := token.Marshal(nextPage, key)
nextPageStr = string(nextPageBytes)
}
var created, notified, deleted string
if !dbNotification.Created.IsZero() {
created = fmt.Sprintf("%d", dbNotification.Created.Unix())
}
if !dbNotification.Notified.IsZero() {
notified = fmt.Sprintf("%d", dbNotification.Notified.Unix())
}
if !dbNotification.Deleted.IsZero() {
deleted = fmt.Sprintf("%d", dbNotification.Deleted.Unix())
}
// TODO(jzelinskie): implement "changed" key
fmt.Println(dbNotification.Deleted.IsZero())
return Notification{
Name: dbNotification.Name,
Created: created,
Notified: notified,
Deleted: deleted,
Limit: limit,
Page: pageToken,
NextPage: nextPageStr,
Old: oldVuln,
New: newVuln,
}
}
type VulnerabilityWithLayers struct {
Vulnerability *Vulnerability `json:"Vulnerability,omitempty"`
// This field is guaranteed to be in order only for pagination.
// Indices from different notifications may not be comparable.
OrderedLayersIntroducingVulnerability []OrderedLayerName `json:"OrderedLayersIntroducingVulnerability,omitempty"`
// This field is deprecated.
LayersIntroducingVulnerability []string `json:"LayersIntroducingVulnerability,omitempty"`
}
type OrderedLayerName struct {
Index int `json:"Index"`
LayerName string `json:"LayerName"`
}
func VulnerabilityWithLayersFromDatabaseModel(dbVuln database.Vulnerability) VulnerabilityWithLayers {
vuln := VulnerabilityFromDatabaseModel(dbVuln, true)
var layers []string
var orderedLayers []OrderedLayerName
for _, layer := range dbVuln.LayersIntroducingVulnerability {
layers = append(layers, layer.Name)
orderedLayers = append(orderedLayers, OrderedLayerName{
Index: layer.ID,
LayerName: layer.Name,
})
}
return VulnerabilityWithLayers{
Vulnerability: &vuln,
OrderedLayersIntroducingVulnerability: orderedLayers,
LayersIntroducingVulnerability: layers,
}
}
type LayerEnvelope struct {
Layer *Layer `json:"Layer,omitempty"`
Error *Error `json:"Error,omitempty"`
}
type NamespaceEnvelope struct {
Namespaces *[]Namespace `json:"Namespaces,omitempty"`
Error *Error `json:"Error,omitempty"`
}
type VulnerabilityEnvelope struct {
Vulnerability *Vulnerability `json:"Vulnerability,omitempty"`
Vulnerabilities *[]Vulnerability `json:"Vulnerabilities,omitempty"`
NextPage string `json:"NextPage,omitempty"`
Error *Error `json:"Error,omitempty"`
}
type NotificationEnvelope struct {
Notification *Notification `json:"Notification,omitempty"`
Error *Error `json:"Error,omitempty"`
}
type FeatureEnvelope struct {
Feature *Feature `json:"Feature,omitempty"`
Features *[]Feature `json:"Features,omitempty"`
Error *Error `json:"Error,omitempty"`
}

100
api/v1/router.go
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@ -1,100 +0,0 @@
// Copyright 2015 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package v1 implements the first version of the Clair API.
package v1
import (
"net/http"
"strconv"
"time"
"github.com/julienschmidt/httprouter"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/api/httputil"
"github.com/coreos/clair/database"
)
var (
promResponseDurationMilliseconds = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Name: "clair_api_response_duration_milliseconds",
Help: "The duration of time it takes to receieve and write a response to an API request",
Buckets: prometheus.ExponentialBuckets(9.375, 2, 10),
}, []string{"route", "code"})
)
func init() {
prometheus.MustRegister(promResponseDurationMilliseconds)
}
type handler func(http.ResponseWriter, *http.Request, httprouter.Params, *context) (route string, status int)
func httpHandler(h handler, ctx *context) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
start := time.Now()
route, status := h(w, r, p, ctx)
statusStr := strconv.Itoa(status)
if status == 0 {
statusStr = "???"
}
promResponseDurationMilliseconds.
WithLabelValues(route, statusStr).
Observe(float64(time.Since(start).Nanoseconds()) / float64(time.Millisecond))
log.WithFields(log.Fields{"remote addr": httputil.GetClientAddr(r), "method": r.Method, "request uri": r.RequestURI, "status": statusStr, "elapsed time": time.Since(start)}).Info("Handled HTTP request")
}
}
type context struct {
Store database.Datastore
PaginationKey string
}
// NewRouter creates an HTTP router for version 1 of the Clair API.
func NewRouter(store database.Datastore, paginationKey string) *httprouter.Router {
router := httprouter.New()
ctx := &context{store, paginationKey}
// Layers
router.POST("/layers", httpHandler(postLayer, ctx))
router.GET("/layers/:layerName", httpHandler(getLayer, ctx))
router.DELETE("/layers/:layerName", httpHandler(deleteLayer, ctx))
// Namespaces
router.GET("/namespaces", httpHandler(getNamespaces, ctx))
// Vulnerabilities
router.GET("/namespaces/:namespaceName/vulnerabilities", httpHandler(getVulnerabilities, ctx))
router.POST("/namespaces/:namespaceName/vulnerabilities", httpHandler(postVulnerability, ctx))
router.GET("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName", httpHandler(getVulnerability, ctx))
router.PUT("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName", httpHandler(putVulnerability, ctx))
router.DELETE("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName", httpHandler(deleteVulnerability, ctx))
// Fixes
router.GET("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName/fixes", httpHandler(getFixes, ctx))
router.PUT("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName/fixes/:fixName", httpHandler(putFix, ctx))
router.DELETE("/namespaces/:namespaceName/vulnerabilities/:vulnerabilityName/fixes/:fixName", httpHandler(deleteFix, ctx))
// Notifications
router.GET("/notifications/:notificationName", httpHandler(getNotification, ctx))
router.DELETE("/notifications/:notificationName", httpHandler(deleteNotification, ctx))
// Metrics
router.GET("/metrics", httpHandler(getMetrics, ctx))
return router
}

503
api/v1/routes.go
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@ -1,503 +0,0 @@
// Copyright 2015 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v1
import (
"compress/gzip"
"encoding/json"
"io"
"net/http"
"strconv"
"strings"
"github.com/julienschmidt/httprouter"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair"
"github.com/coreos/clair/api/token"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
"github.com/coreos/clair/pkg/tarutil"
)
const (
// These are the route identifiers for prometheus.
postLayerRoute = "v1/postLayer"
getLayerRoute = "v1/getLayer"
deleteLayerRoute = "v1/deleteLayer"
getNamespacesRoute = "v1/getNamespaces"
getVulnerabilitiesRoute = "v1/getVulnerabilities"
postVulnerabilityRoute = "v1/postVulnerability"
getVulnerabilityRoute = "v1/getVulnerability"
putVulnerabilityRoute = "v1/putVulnerability"
deleteVulnerabilityRoute = "v1/deleteVulnerability"
getFixesRoute = "v1/getFixes"
putFixRoute = "v1/putFix"
deleteFixRoute = "v1/deleteFix"
getNotificationRoute = "v1/getNotification"
deleteNotificationRoute = "v1/deleteNotification"
getMetricsRoute = "v1/getMetrics"
// maxBodySize restricts client request bodies to 1MiB.
maxBodySize int64 = 1048576
// statusUnprocessableEntity represents the 422 (Unprocessable Entity) status code, which means
// the server understands the content type of the request entity
// (hence a 415(Unsupported Media Type) status code is inappropriate), and the syntax of the
// request entity is correct (thus a 400 (Bad Request) status code is inappropriate) but was
// unable to process the contained instructions.
statusUnprocessableEntity = 422
)
func decodeJSON(r *http.Request, v interface{}) error {
defer r.Body.Close()
return json.NewDecoder(io.LimitReader(r.Body, maxBodySize)).Decode(v)
}
func writeResponse(w http.ResponseWriter, r *http.Request, status int, resp interface{}) {
// Headers must be written before the response.
header := w.Header()
header.Set("Content-Type", "application/json;charset=utf-8")
header.Set("Server", "clair")
// Gzip the response if the client supports it.
var writer io.Writer = w
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
gzipWriter := gzip.NewWriter(w)
defer gzipWriter.Close()
writer = gzipWriter
header.Set("Content-Encoding", "gzip")
}
// Write the response.
w.WriteHeader(status)
err := json.NewEncoder(writer).Encode(resp)
if err != nil {
switch err.(type) {
case *json.MarshalerError, *json.UnsupportedTypeError, *json.UnsupportedValueError:
panic("v1: failed to marshal response: " + err.Error())
default:
log.WithError(err).Warning("failed to write response")
}
}
}
func postLayer(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
request := LayerEnvelope{}
err := decodeJSON(r, &request)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, LayerEnvelope{Error: &Error{err.Error()}})
return postLayerRoute, http.StatusBadRequest
}
if request.Layer == nil {
writeResponse(w, r, http.StatusBadRequest, LayerEnvelope{Error: &Error{"failed to provide layer"}})
return postLayerRoute, http.StatusBadRequest
}
err = clair.ProcessLayer(ctx.Store, request.Layer.Format, request.Layer.Name, request.Layer.ParentName, request.Layer.Path, request.Layer.Headers)
if err != nil {
if err == tarutil.ErrCouldNotExtract ||
err == tarutil.ErrExtractedFileTooBig ||
err == clair.ErrUnsupported {
writeResponse(w, r, statusUnprocessableEntity, LayerEnvelope{Error: &Error{err.Error()}})
return postLayerRoute, statusUnprocessableEntity
}
if _, badreq := err.(*commonerr.ErrBadRequest); badreq {
writeResponse(w, r, http.StatusBadRequest, LayerEnvelope{Error: &Error{err.Error()}})
return postLayerRoute, http.StatusBadRequest
}
writeResponse(w, r, http.StatusInternalServerError, LayerEnvelope{Error: &Error{err.Error()}})
return postLayerRoute, http.StatusInternalServerError
}
writeResponse(w, r, http.StatusCreated, LayerEnvelope{Layer: &Layer{
Name: request.Layer.Name,
ParentName: request.Layer.ParentName,
Path: request.Layer.Path,
Headers: request.Layer.Headers,
Format: request.Layer.Format,
IndexedByVersion: clair.Version,
}})
return postLayerRoute, http.StatusCreated
}
func getLayer(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
_, withFeatures := r.URL.Query()["features"]
_, withVulnerabilities := r.URL.Query()["vulnerabilities"]
dbLayer, err := ctx.Store.FindLayer(p.ByName("layerName"), withFeatures, withVulnerabilities)
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, LayerEnvelope{Error: &Error{err.Error()}})
return getLayerRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, LayerEnvelope{Error: &Error{err.Error()}})
return getLayerRoute, http.StatusInternalServerError
}
layer := LayerFromDatabaseModel(dbLayer, withFeatures, withVulnerabilities)
writeResponse(w, r, http.StatusOK, LayerEnvelope{Layer: &layer})
return getLayerRoute, http.StatusOK
}
func deleteLayer(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
err := ctx.Store.DeleteLayer(p.ByName("layerName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, LayerEnvelope{Error: &Error{err.Error()}})
return deleteLayerRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, LayerEnvelope{Error: &Error{err.Error()}})
return deleteLayerRoute, http.StatusInternalServerError
}
w.WriteHeader(http.StatusOK)
return deleteLayerRoute, http.StatusOK
}
func getNamespaces(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
dbNamespaces, err := ctx.Store.ListNamespaces()
if err != nil {
writeResponse(w, r, http.StatusInternalServerError, NamespaceEnvelope{Error: &Error{err.Error()}})
return getNamespacesRoute, http.StatusInternalServerError
}
var namespaces []Namespace
for _, dbNamespace := range dbNamespaces {
namespaces = append(namespaces, Namespace{
Name: dbNamespace.Name,
VersionFormat: dbNamespace.VersionFormat,
})
}
writeResponse(w, r, http.StatusOK, NamespaceEnvelope{Namespaces: &namespaces})
return getNamespacesRoute, http.StatusOK
}
func getVulnerabilities(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
query := r.URL.Query()
limitStrs, limitExists := query["limit"]
if !limitExists {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"must provide limit query parameter"}})
return getVulnerabilitiesRoute, http.StatusBadRequest
}
limit, err := strconv.Atoi(limitStrs[0])
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"invalid limit format: " + err.Error()}})
return getVulnerabilitiesRoute, http.StatusBadRequest
} else if limit < 0 {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"limit value should not be less than zero"}})
return getVulnerabilitiesRoute, http.StatusBadRequest
}
page := 0
pageStrs, pageExists := query["page"]
if pageExists {
err = token.Unmarshal(pageStrs[0], ctx.PaginationKey, &page)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"invalid page format: " + err.Error()}})
return getNotificationRoute, http.StatusBadRequest
}
}
namespace := p.ByName("namespaceName")
if namespace == "" {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"namespace should not be empty"}})
return getNotificationRoute, http.StatusBadRequest
}
dbVulns, nextPage, err := ctx.Store.ListVulnerabilities(namespace, limit, page)
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return getVulnerabilityRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return getVulnerabilitiesRoute, http.StatusInternalServerError
}
var vulns []Vulnerability
for _, dbVuln := range dbVulns {
vuln := VulnerabilityFromDatabaseModel(dbVuln, false)
vulns = append(vulns, vuln)
}
var nextPageStr string
if nextPage != -1 {
nextPageBytes, err := token.Marshal(nextPage, ctx.PaginationKey)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"failed to marshal token: " + err.Error()}})
return getNotificationRoute, http.StatusBadRequest
}
nextPageStr = string(nextPageBytes)
}
writeResponse(w, r, http.StatusOK, VulnerabilityEnvelope{Vulnerabilities: &vulns, NextPage: nextPageStr})
return getVulnerabilitiesRoute, http.StatusOK
}
func postVulnerability(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
request := VulnerabilityEnvelope{}
err := decodeJSON(r, &request)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return postVulnerabilityRoute, http.StatusBadRequest
}
if request.Vulnerability == nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"failed to provide vulnerability"}})
return postVulnerabilityRoute, http.StatusBadRequest
}
vuln, err := request.Vulnerability.DatabaseModel()
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return postVulnerabilityRoute, http.StatusBadRequest
}
err = ctx.Store.InsertVulnerabilities([]database.Vulnerability{vuln}, true)
if err != nil {
switch err.(type) {
case *commonerr.ErrBadRequest:
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return postVulnerabilityRoute, http.StatusBadRequest
default:
writeResponse(w, r, http.StatusInternalServerError, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return postVulnerabilityRoute, http.StatusInternalServerError
}
}
writeResponse(w, r, http.StatusCreated, VulnerabilityEnvelope{Vulnerability: request.Vulnerability})
return postVulnerabilityRoute, http.StatusCreated
}
func getVulnerability(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
_, withFixedIn := r.URL.Query()["fixedIn"]
dbVuln, err := ctx.Store.FindVulnerability(p.ByName("namespaceName"), p.ByName("vulnerabilityName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return getVulnerabilityRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return getVulnerabilityRoute, http.StatusInternalServerError
}
vuln := VulnerabilityFromDatabaseModel(dbVuln, withFixedIn)
writeResponse(w, r, http.StatusOK, VulnerabilityEnvelope{Vulnerability: &vuln})
return getVulnerabilityRoute, http.StatusOK
}
func putVulnerability(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
request := VulnerabilityEnvelope{}
err := decodeJSON(r, &request)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return putVulnerabilityRoute, http.StatusBadRequest
}
if request.Vulnerability == nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"failed to provide vulnerability"}})
return putVulnerabilityRoute, http.StatusBadRequest
}
if len(request.Vulnerability.FixedIn) != 0 {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{"Vulnerability.FixedIn must be empty"}})
return putVulnerabilityRoute, http.StatusBadRequest
}
vuln, err := request.Vulnerability.DatabaseModel()
if err != nil {
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return putVulnerabilityRoute, http.StatusBadRequest
}
vuln.Namespace.Name = p.ByName("namespaceName")
vuln.Name = p.ByName("vulnerabilityName")
err = ctx.Store.InsertVulnerabilities([]database.Vulnerability{vuln}, true)
if err != nil {
switch err.(type) {
case *commonerr.ErrBadRequest:
writeResponse(w, r, http.StatusBadRequest, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return putVulnerabilityRoute, http.StatusBadRequest
default:
writeResponse(w, r, http.StatusInternalServerError, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return putVulnerabilityRoute, http.StatusInternalServerError
}
}
writeResponse(w, r, http.StatusOK, VulnerabilityEnvelope{Vulnerability: request.Vulnerability})
return putVulnerabilityRoute, http.StatusOK
}
func deleteVulnerability(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
err := ctx.Store.DeleteVulnerability(p.ByName("namespaceName"), p.ByName("vulnerabilityName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return deleteVulnerabilityRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, VulnerabilityEnvelope{Error: &Error{err.Error()}})
return deleteVulnerabilityRoute, http.StatusInternalServerError
}
w.WriteHeader(http.StatusOK)
return deleteVulnerabilityRoute, http.StatusOK
}
func getFixes(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
dbVuln, err := ctx.Store.FindVulnerability(p.ByName("namespaceName"), p.ByName("vulnerabilityName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, FeatureEnvelope{Error: &Error{err.Error()}})
return getFixesRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, FeatureEnvelope{Error: &Error{err.Error()}})
return getFixesRoute, http.StatusInternalServerError
}
vuln := VulnerabilityFromDatabaseModel(dbVuln, true)
writeResponse(w, r, http.StatusOK, FeatureEnvelope{Features: &vuln.FixedIn})
return getFixesRoute, http.StatusOK
}
func putFix(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
request := FeatureEnvelope{}
err := decodeJSON(r, &request)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, FeatureEnvelope{Error: &Error{err.Error()}})
return putFixRoute, http.StatusBadRequest
}
if request.Feature == nil {
writeResponse(w, r, http.StatusBadRequest, FeatureEnvelope{Error: &Error{"failed to provide feature"}})
return putFixRoute, http.StatusBadRequest
}
if request.Feature.Name != p.ByName("fixName") {
writeResponse(w, r, http.StatusBadRequest, FeatureEnvelope{Error: &Error{"feature name in URL and JSON do not match"}})
return putFixRoute, http.StatusBadRequest
}
dbFix, err := request.Feature.DatabaseModel()
if err != nil {
writeResponse(w, r, http.StatusBadRequest, FeatureEnvelope{Error: &Error{err.Error()}})
return putFixRoute, http.StatusBadRequest
}
err = ctx.Store.InsertVulnerabilityFixes(p.ByName("vulnerabilityNamespace"), p.ByName("vulnerabilityName"), []database.FeatureVersion{dbFix})
if err != nil {
switch err.(type) {
case *commonerr.ErrBadRequest:
writeResponse(w, r, http.StatusBadRequest, FeatureEnvelope{Error: &Error{err.Error()}})
return putFixRoute, http.StatusBadRequest
default:
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, FeatureEnvelope{Error: &Error{err.Error()}})
return putFixRoute, http.StatusNotFound
}
writeResponse(w, r, http.StatusInternalServerError, FeatureEnvelope{Error: &Error{err.Error()}})
return putFixRoute, http.StatusInternalServerError
}
}
writeResponse(w, r, http.StatusOK, FeatureEnvelope{Feature: request.Feature})
return putFixRoute, http.StatusOK
}
func deleteFix(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
err := ctx.Store.DeleteVulnerabilityFix(p.ByName("vulnerabilityNamespace"), p.ByName("vulnerabilityName"), p.ByName("fixName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, FeatureEnvelope{Error: &Error{err.Error()}})
return deleteFixRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, FeatureEnvelope{Error: &Error{err.Error()}})
return deleteFixRoute, http.StatusInternalServerError
}
w.WriteHeader(http.StatusOK)
return deleteFixRoute, http.StatusOK
}
func getNotification(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
query := r.URL.Query()
limitStrs, limitExists := query["limit"]
if !limitExists {
writeResponse(w, r, http.StatusBadRequest, NotificationEnvelope{Error: &Error{"must provide limit query parameter"}})
return getNotificationRoute, http.StatusBadRequest
}
limit, err := strconv.Atoi(limitStrs[0])
if err != nil {
writeResponse(w, r, http.StatusBadRequest, NotificationEnvelope{Error: &Error{"invalid limit format: " + err.Error()}})
return getNotificationRoute, http.StatusBadRequest
}
var pageToken string
page := database.VulnerabilityNotificationFirstPage
pageStrs, pageExists := query["page"]
if pageExists {
err := token.Unmarshal(pageStrs[0], ctx.PaginationKey, &page)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, NotificationEnvelope{Error: &Error{"invalid page format: " + err.Error()}})
return getNotificationRoute, http.StatusBadRequest
}
pageToken = pageStrs[0]
} else {
pageTokenBytes, err := token.Marshal(page, ctx.PaginationKey)
if err != nil {
writeResponse(w, r, http.StatusBadRequest, NotificationEnvelope{Error: &Error{"failed to marshal token: " + err.Error()}})
return getNotificationRoute, http.StatusBadRequest
}
pageToken = string(pageTokenBytes)
}
dbNotification, nextPage, err := ctx.Store.GetNotification(p.ByName("notificationName"), limit, page)
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, NotificationEnvelope{Error: &Error{err.Error()}})
return deleteNotificationRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, NotificationEnvelope{Error: &Error{err.Error()}})
return getNotificationRoute, http.StatusInternalServerError
}
notification := NotificationFromDatabaseModel(dbNotification, limit, pageToken, nextPage, ctx.PaginationKey)
writeResponse(w, r, http.StatusOK, NotificationEnvelope{Notification: &notification})
return getNotificationRoute, http.StatusOK
}
func deleteNotification(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
err := ctx.Store.DeleteNotification(p.ByName("notificationName"))
if err == commonerr.ErrNotFound {
writeResponse(w, r, http.StatusNotFound, NotificationEnvelope{Error: &Error{err.Error()}})
return deleteNotificationRoute, http.StatusNotFound
} else if err != nil {
writeResponse(w, r, http.StatusInternalServerError, NotificationEnvelope{Error: &Error{err.Error()}})
return deleteNotificationRoute, http.StatusInternalServerError
}
w.WriteHeader(http.StatusOK)
return deleteNotificationRoute, http.StatusOK
}
func getMetrics(w http.ResponseWriter, r *http.Request, p httprouter.Params, ctx *context) (string, int) {
prometheus.Handler().ServeHTTP(w, r)
return getMetricsRoute, 0
}

165
api/v2/clairpb/convert.go
View File

@ -1,165 +0,0 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clairpb
import (
"encoding/json"
"fmt"
"github.com/coreos/clair/api/token"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
)
func NotificationFromDatabaseModel(dbNotification database.VulnerabilityNotification, limit int, pageToken string, nextPage database.VulnerabilityNotificationPageNumber, key string) (*Notification, error) {
var oldVuln *LayersIntroducingVulnerabilty
if dbNotification.OldVulnerability != nil {
v, err := LayersIntroducingVulnerabiltyFromDatabaseModel(*dbNotification.OldVulnerability)
if err != nil {
return nil, err
}
oldVuln = v
}
var newVuln *LayersIntroducingVulnerabilty
if dbNotification.NewVulnerability != nil {
v, err := LayersIntroducingVulnerabiltyFromDatabaseModel(*dbNotification.NewVulnerability)
if err != nil {
return nil, err
}
newVuln = v
}
var nextPageStr string
if nextPage != database.NoVulnerabilityNotificationPage {
nextPageBytes, _ := token.Marshal(nextPage, key)
nextPageStr = string(nextPageBytes)
}
var created, notified, deleted string
if !dbNotification.Created.IsZero() {
created = fmt.Sprintf("%d", dbNotification.Created.Unix())
}
if !dbNotification.Notified.IsZero() {
notified = fmt.Sprintf("%d", dbNotification.Notified.Unix())
}
if !dbNotification.Deleted.IsZero() {
deleted = fmt.Sprintf("%d", dbNotification.Deleted.Unix())
}
return &Notification{
Name: dbNotification.Name,
Created: created,
Notified: notified,
Deleted: deleted,
Limit: int32(limit),
Page: &Page{
ThisToken: pageToken,
NextToken: nextPageStr,
Old: oldVuln,
New: newVuln,
},
}, nil
}
func LayersIntroducingVulnerabiltyFromDatabaseModel(dbVuln database.Vulnerability) (*LayersIntroducingVulnerabilty, error) {
vuln, err := VulnerabilityFromDatabaseModel(dbVuln, true)
if err != nil {
return nil, err
}
var orderedLayers []*OrderedLayerName
return &LayersIntroducingVulnerabilty{
Vulnerability: vuln,
Layers: orderedLayers,
}, nil
}
func VulnerabilityFromDatabaseModel(dbVuln database.Vulnerability, withFixedIn bool) (*Vulnerability, error) {
metaString := ""
if dbVuln.Metadata != nil {
metadataByte, err := json.Marshal(dbVuln.Metadata)
if err != nil {
return nil, err
}
metaString = string(metadataByte)
}
vuln := Vulnerability{
Name: dbVuln.Name,
NamespaceName: dbVuln.Namespace.Name,
Description: dbVuln.Description,
Link: dbVuln.Link,
Severity: string(dbVuln.Severity),
Metadata: metaString,
}
if dbVuln.FixedBy != versionfmt.MaxVersion {
vuln.FixedBy = dbVuln.FixedBy
}
if withFixedIn {
for _, dbFeatureVersion := range dbVuln.FixedIn {
f, err := FeatureFromDatabaseModel(dbFeatureVersion, false)
if err != nil {
return nil, err
}
vuln.FixedInFeatures = append(vuln.FixedInFeatures, f)
}
}
return &vuln, nil
}
func LayerFromDatabaseModel(dbLayer database.Layer) *Layer {
layer := Layer{
Name: dbLayer.Name,
}
for _, ns := range dbLayer.Namespaces {
layer.NamespaceNames = append(layer.NamespaceNames, ns.Name)
}
return &layer
}
func FeatureFromDatabaseModel(fv database.FeatureVersion, withVulnerabilities bool) (*Feature, error) {
version := fv.Version
if version == versionfmt.MaxVersion {
version = "None"
}
f := &Feature{
Name: fv.Feature.Name,
NamespaceName: fv.Feature.Namespace.Name,
VersionFormat: fv.Feature.Namespace.VersionFormat,
Version: version,
AddedBy: fv.AddedBy.Name,
}
if withVulnerabilities {
for _, dbVuln := range fv.AffectedBy {
// VulnerabilityFromDatabaseModel should be called without FixedIn,
// Otherwise it might cause infinite loop
vul, err := VulnerabilityFromDatabaseModel(dbVuln, false)
if err != nil {
return nil, err
}
f.Vulnerabilities = append(f.Vulnerabilities, vul)
}
}
return f, nil
}

256
api/v2/rpc.go
View File

@ -1,256 +0,0 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v2
import (
"fmt"
google_protobuf1 "github.com/golang/protobuf/ptypes/empty"
log "github.com/sirupsen/logrus"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/coreos/clair"
"github.com/coreos/clair/api/token"
pb "github.com/coreos/clair/api/v2/clairpb"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
"github.com/coreos/clair/pkg/tarutil"
)
// NotificationServer implements NotificationService interface for serving RPC.
type NotificationServer struct {
Store database.Datastore
PaginationKey string
}
// AncestryServer implements AncestryService interface for serving RPC.
type AncestryServer struct {
Store database.Datastore
}
// PostAncestry implements posting an ancestry via the Clair gRPC service.
func (s *AncestryServer) PostAncestry(ctx context.Context, req *pb.PostAncestryRequest) (*pb.PostAncestryResponse, error) {
ancestryName := req.GetAncestryName()
if ancestryName == "" {
return nil, status.Error(codes.InvalidArgument, "Failed to provide proper ancestry name")
}
layers := req.GetLayers()
if len(layers) == 0 {
return nil, status.Error(codes.InvalidArgument, "At least one layer should be provided for an ancestry")
}
var currentName, parentName, rootName string
for i, layer := range layers {
if layer == nil {
err := status.Error(codes.InvalidArgument, "Failed to provide layer")
return nil, s.rollBackOnError(err, currentName, rootName)
}
// TODO(keyboardnerd): after altering the database to support ancestry,
// we should use the ancestry name and index as key instead of
// the amalgamation of ancestry name of index
// Hack: layer name is [ancestryName]-[index] except the tail layer,
// tail layer name is [ancestryName]
if i == len(layers)-1 {
currentName = ancestryName
} else {
currentName = fmt.Sprintf("%s-%d", ancestryName, i)
}
// if rootName is unset, this is the first iteration over the layers and
// the current layer is the root of the ancestry
if rootName == "" {
rootName = currentName
}
err := clair.ProcessLayer(s.Store, req.GetFormat(), currentName, parentName, layer.GetPath(), layer.GetHeaders())
if err != nil {
return nil, s.rollBackOnError(err, currentName, rootName)
}
// Now that the current layer is processed, set the parentName for the
// next iteration.
parentName = currentName
}
return &pb.PostAncestryResponse{
EngineVersion: clair.Version,
}, nil
}
// GetAncestry implements retrieving an ancestry via the Clair gRPC service.
func (s *AncestryServer) GetAncestry(ctx context.Context, req *pb.GetAncestryRequest) (*pb.GetAncestryResponse, error) {
if req.GetAncestryName() == "" {
return nil, status.Errorf(codes.InvalidArgument, "invalid get ancestry request")
}
// TODO(keyboardnerd): after altering the database to support ancestry, this
// function is iteratively querying for for r.GetIndex() th parent of the
// requested layer until the indexed layer is found or index is out of bound
// this is a hack and will be replaced with one query
ancestry, features, err := s.getAncestry(req.GetAncestryName(), req.GetWithFeatures(), req.GetWithVulnerabilities())
if err == commonerr.ErrNotFound {
return nil, status.Error(codes.NotFound, err.Error())
} else if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &pb.GetAncestryResponse{
Ancestry: ancestry,
Features: features,
}, nil
}
// GetNotification implements retrieving a notification via the Clair gRPC
// service.
func (s *NotificationServer) GetNotification(ctx context.Context, req *pb.GetNotificationRequest) (*pb.GetNotificationResponse, error) {
if req.GetName() == "" {
return nil, status.Error(codes.InvalidArgument, "Failed to provide notification name")
}
if req.GetLimit() <= 0 {
return nil, status.Error(codes.InvalidArgument, "Failed to provide page limit")
}
page := database.VulnerabilityNotificationFirstPage
pageToken := req.GetPage()
if pageToken != "" {
err := token.Unmarshal(pageToken, s.PaginationKey, &page)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "Invalid page format %s", err.Error())
}
} else {
pageTokenBytes, err := token.Marshal(page, s.PaginationKey)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "Failed to marshal token: %s", err.Error())
}
pageToken = string(pageTokenBytes)
}
dbNotification, nextPage, err := s.Store.GetNotification(req.GetName(), int(req.GetLimit()), page)
if err == commonerr.ErrNotFound {
return nil, status.Error(codes.NotFound, err.Error())
} else if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
notification, err := pb.NotificationFromDatabaseModel(dbNotification, int(req.GetLimit()), pageToken, nextPage, s.PaginationKey)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &pb.GetNotificationResponse{Notification: notification}, nil
}
// DeleteNotification implements deleting a notification via the Clair gRPC
// service.
func (s *NotificationServer) DeleteNotification(ctx context.Context, req *pb.DeleteNotificationRequest) (*google_protobuf1.Empty, error) {
if req.GetName() == "" {
return nil, status.Error(codes.InvalidArgument, "Failed to provide notification name")
}
err := s.Store.DeleteNotification(req.GetName())
if err == commonerr.ErrNotFound {
return nil, status.Error(codes.NotFound, err.Error())
} else if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &google_protobuf1.Empty{}, nil
}
// rollBackOnError handles server error and rollback whole ancestry insertion if
// any layer failed to be inserted.
func (s *AncestryServer) rollBackOnError(err error, currentLayerName, rootLayerName string) error {
// if the current layer failed to be inserted and it's the root layer,
// then the ancestry is not yet in the database.
if currentLayerName != rootLayerName {
errrb := s.Store.DeleteLayer(rootLayerName)
if errrb != nil {
return status.Errorf(codes.Internal, errrb.Error())
}
log.WithField("layer name", currentLayerName).Warnf("Can't process %s: roll back the ancestry", currentLayerName)
}
if err == tarutil.ErrCouldNotExtract ||
err == tarutil.ErrExtractedFileTooBig ||
err == clair.ErrUnsupported {
return status.Errorf(codes.InvalidArgument, "unprocessable entity %s", err.Error())
}
if _, badreq := err.(*commonerr.ErrBadRequest); badreq {
return status.Error(codes.InvalidArgument, err.Error())
}
return status.Error(codes.Internal, err.Error())
}
// TODO(keyboardnerd): Remove this Legacy compability code once the database is
// revised.
// getAncestry returns an ancestry from database by getting all parents of a
// layer given the layer name, and the layer's feature list if
// withFeature/withVulnerability is turned on.
func (s *AncestryServer) getAncestry(name string, withFeature bool, withVulnerability bool) (ancestry *pb.Ancestry, features []*pb.Feature, err error) {
var (
layers = []*pb.Layer{}
layer database.Layer
)
ancestry = &pb.Ancestry{}
layer, err = s.Store.FindLayer(name, withFeature, withVulnerability)
if err != nil {
return
}
if withFeature {
for _, fv := range layer.Features {
f, e := pb.FeatureFromDatabaseModel(fv, withVulnerability)
if e != nil {
err = e
return
}
features = append(features, f)
}
}
ancestry.Name = name
ancestry.EngineVersion = int32(layer.EngineVersion)
for name != "" {
layer, err = s.Store.FindLayer(name, false, false)
if err != nil {
return
}
if layer.Parent != nil {
name = layer.Parent.Name
} else {
name = ""
}
layers = append(layers, pb.LayerFromDatabaseModel(layer))
}
// reverse layers to make the root layer at the top
for i, j := 0, len(layers)-1; i < j; i, j = i+1, j-1 {
layers[i], layers[j] = layers[j], layers[i]
}
ancestry.Layers = layers
return
}

0
api/v2/clairpb/Makefile → api/v3/clairpb/Makefile
View File

483
api/v2/clairpb/clair.pb.go → api/v3/clairpb/clair.pb.go
View File

@ -9,20 +9,20 @@ It is generated from these files:
It has these top-level messages:
Vulnerability
ClairStatus
Feature
Ancestry
LayersIntroducingVulnerabilty
OrderedLayerName
Layer
Notification
Page
IndexedAncestryName
PagedVulnerableAncestries
PostAncestryRequest
PostAncestryResponse
GetAncestryRequest
GetAncestryResponse
GetNotificationRequest
GetNotificationResponse
DeleteNotificationRequest
MarkNotificationAsReadRequest
*/
package clairpb
@ -31,6 +31,7 @@ import fmt "fmt"
import math "math"
import _ "google.golang.org/genproto/googleapis/api/annotations"
import google_protobuf1 "github.com/golang/protobuf/ptypes/empty"
import google_protobuf2 "github.com/golang/protobuf/ptypes/timestamp"
import (
context "golang.org/x/net/context"
@ -55,8 +56,10 @@ type Vulnerability struct {
Link string `protobuf:"bytes,4,opt,name=link" json:"link,omitempty"`
Severity string `protobuf:"bytes,5,opt,name=severity" json:"severity,omitempty"`
Metadata string `protobuf:"bytes,6,opt,name=metadata" json:"metadata,omitempty"`
// fixed_by exists when vulnerability is under feature.
FixedBy string `protobuf:"bytes,7,opt,name=fixed_by,json=fixedBy" json:"fixed_by,omitempty"`
FixedInFeatures []*Feature `protobuf:"bytes,8,rep,name=fixed_in_features,json=fixedInFeatures" json:"fixed_in_features,omitempty"`
// affected_versions exists when vulnerability is under notification.
AffectedVersions []*Feature `protobuf:"bytes,8,rep,name=affected_versions,json=affectedVersions" json:"affected_versions,omitempty"`
}
func (m *Vulnerability) Reset() { *m = Vulnerability{} }
@ -113,9 +116,43 @@ func (m *Vulnerability) GetFixedBy() string {
return ""
}
func (m *Vulnerability) GetFixedInFeatures() []*Feature {
func (m *Vulnerability) GetAffectedVersions() []*Feature {
if m != nil {
return m.FixedInFeatures
return m.AffectedVersions
}
return nil
}
type ClairStatus struct {
// listers and detectors are processors implemented in this Clair and used to
// scan ancestries
Listers []string `protobuf:"bytes,1,rep,name=listers" json:"listers,omitempty"`
Detectors []string `protobuf:"bytes,2,rep,name=detectors" json:"detectors,omitempty"`
LastUpdateTime *google_protobuf2.Timestamp `protobuf:"bytes,3,opt,name=last_update_time,json=lastUpdateTime" json:"last_update_time,omitempty"`
}
func (m *ClairStatus) Reset() { *m = ClairStatus{} }
func (m *ClairStatus) String() string { return proto.CompactTextString(m) }
func (*ClairStatus) ProtoMessage() {}
func (*ClairStatus) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
func (m *ClairStatus) GetListers() []string {
if m != nil {
return m.Listers
}
return nil
}
func (m *ClairStatus) GetDetectors() []string {
if m != nil {
return m.Detectors
}
return nil
}
func (m *ClairStatus) GetLastUpdateTime() *google_protobuf2.Timestamp {
if m != nil {
return m.LastUpdateTime
}
return nil
}
@ -125,14 +162,13 @@ type Feature struct {
NamespaceName string `protobuf:"bytes,2,opt,name=namespace_name,json=namespaceName" json:"namespace_name,omitempty"`
Version string `protobuf:"bytes,3,opt,name=version" json:"version,omitempty"`
VersionFormat string `protobuf:"bytes,4,opt,name=version_format,json=versionFormat" json:"version_format,omitempty"`
AddedBy string `protobuf:"bytes,5,opt,name=added_by,json=addedBy" json:"added_by,omitempty"`
Vulnerabilities []*Vulnerability `protobuf:"bytes,6,rep,name=vulnerabilities" json:"vulnerabilities,omitempty"`
Vulnerabilities []*Vulnerability `protobuf:"bytes,5,rep,name=vulnerabilities" json:"vulnerabilities,omitempty"`
}
func (m *Feature) Reset() { *m = Feature{} }
func (m *Feature) String() string { return proto.CompactTextString(m) }
func (*Feature) ProtoMessage() {}
func (*Feature) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
func (*Feature) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
func (m *Feature) GetName() string {
if m != nil {
@ -162,13 +198,6 @@ func (m *Feature) GetVersionFormat() string {
return ""
}
func (m *Feature) GetAddedBy() string {
if m != nil {
return m.AddedBy
}
return ""
}
func (m *Feature) GetVulnerabilities() []*Vulnerability {
if m != nil {
return m.Vulnerabilities
@ -178,14 +207,19 @@ func (m *Feature) GetVulnerabilities() []*Vulnerability {
type Ancestry struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
EngineVersion int32 `protobuf:"varint,2,opt,name=engine_version,json=engineVersion" json:"engine_version,omitempty"`
Features []*Feature `protobuf:"bytes,2,rep,name=features" json:"features,omitempty"`
Layers []*Layer `protobuf:"bytes,3,rep,name=layers" json:"layers,omitempty"`
// scanned_listers and scanned_detectors are used to scan this ancestry, it
// may be different from listers and detectors in ClairStatus since the
// ancestry could be scanned by previous version of Clair.
ScannedListers []string `protobuf:"bytes,4,rep,name=scanned_listers,json=scannedListers" json:"scanned_listers,omitempty"`
ScannedDetectors []string `protobuf:"bytes,5,rep,name=scanned_detectors,json=scannedDetectors" json:"scanned_detectors,omitempty"`
}
func (m *Ancestry) Reset() { *m = Ancestry{} }
func (m *Ancestry) String() string { return proto.CompactTextString(m) }
func (*Ancestry) ProtoMessage() {}
func (*Ancestry) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
func (*Ancestry) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
func (m *Ancestry) GetName() string {
if m != nil {
@ -194,11 +228,11 @@ func (m *Ancestry) GetName() string {
return ""
}
func (m *Ancestry) GetEngineVersion() int32 {
func (m *Ancestry) GetFeatures() []*Feature {
if m != nil {
return m.EngineVersion
return m.Features
}
return 0
return nil
}
func (m *Ancestry) GetLayers() []*Layer {
@ -208,91 +242,49 @@ func (m *Ancestry) GetLayers() []*Layer {
return nil
}
type LayersIntroducingVulnerabilty struct {
Vulnerability *Vulnerability `protobuf:"bytes,1,opt,name=vulnerability" json:"vulnerability,omitempty"`
Layers []*OrderedLayerName `protobuf:"bytes,2,rep,name=layers" json:"layers,omitempty"`
}
func (m *LayersIntroducingVulnerabilty) Reset() { *m = LayersIntroducingVulnerabilty{} }
func (m *LayersIntroducingVulnerabilty) String() string { return proto.CompactTextString(m) }
func (*LayersIntroducingVulnerabilty) ProtoMessage() {}
func (*LayersIntroducingVulnerabilty) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
func (m *LayersIntroducingVulnerabilty) GetVulnerability() *Vulnerability {
func (m *Ancestry) GetScannedListers() []string {
if m != nil {
return m.Vulnerability
return m.ScannedListers
}
return nil
}
func (m *LayersIntroducingVulnerabilty) GetLayers() []*OrderedLayerName {
func (m *Ancestry) GetScannedDetectors() []string {
if m != nil {
return m.Layers
return m.ScannedDetectors
}
return nil
}
type OrderedLayerName struct {
Index int32 `protobuf:"varint,1,opt,name=index" json:"index,omitempty"`
LayerName string `protobuf:"bytes,2,opt,name=layer_name,json=layerName" json:"layer_name,omitempty"`
}
func (m *OrderedLayerName) Reset() { *m = OrderedLayerName{} }
func (m *OrderedLayerName) String() string { return proto.CompactTextString(m) }
func (*OrderedLayerName) ProtoMessage() {}
func (*OrderedLayerName) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
func (m *OrderedLayerName) GetIndex() int32 {
if m != nil {
return m.Index
}
return 0
}
func (m *OrderedLayerName) GetLayerName() string {
if m != nil {
return m.LayerName
}
return ""
}
type Layer struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
NamespaceNames []string `protobuf:"bytes,2,rep,name=namespace_names,json=namespaceNames" json:"namespace_names,omitempty"`
Hash string `protobuf:"bytes,1,opt,name=hash" json:"hash,omitempty"`
}
func (m *Layer) Reset() { *m = Layer{} }
func (m *Layer) String() string { return proto.CompactTextString(m) }
func (*Layer) ProtoMessage() {}
func (*Layer) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
func (*Layer) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
func (m *Layer) GetName() string {
func (m *Layer) GetHash() string {
if m != nil {
return m.Name
return m.Hash
}
return ""
}
func (m *Layer) GetNamespaceNames() []string {
if m != nil {
return m.NamespaceNames
}
return nil
}
type Notification struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
Created string `protobuf:"bytes,2,opt,name=created" json:"created,omitempty"`
Notified string `protobuf:"bytes,3,opt,name=notified" json:"notified,omitempty"`
Deleted string `protobuf:"bytes,4,opt,name=deleted" json:"deleted,omitempty"`
Limit int32 `protobuf:"varint,5,opt,name=limit" json:"limit,omitempty"`
Page *Page `protobuf:"bytes,6,opt,name=page" json:"page,omitempty"`
Old *PagedVulnerableAncestries `protobuf:"bytes,5,opt,name=old" json:"old,omitempty"`
New *PagedVulnerableAncestries `protobuf:"bytes,6,opt,name=new" json:"new,omitempty"`
}
func (m *Notification) Reset() { *m = Notification{} }
func (m *Notification) String() string { return proto.CompactTextString(m) }
func (*Notification) ProtoMessage() {}
func (*Notification) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
func (*Notification) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
func (m *Notification) GetName() string {
if m != nil {
@ -322,60 +314,95 @@ func (m *Notification) GetDeleted() string {
return ""
}
func (m *Notification) GetLimit() int32 {
if m != nil {
return m.Limit
}
return 0
}
func (m *Notification) GetPage() *Page {
if m != nil {
return m.Page
}
return nil
}
type Page struct {
ThisToken string `protobuf:"bytes,1,opt,name=this_token,json=thisToken" json:"this_token,omitempty"`
NextToken string `protobuf:"bytes,2,opt,name=next_token,json=nextToken" json:"next_token,omitempty"`
Old *LayersIntroducingVulnerabilty `protobuf:"bytes,3,opt,name=old" json:"old,omitempty"`
New *LayersIntroducingVulnerabilty `protobuf:"bytes,4,opt,name=new" json:"new,omitempty"`
}
func (m *Page) Reset() { *m = Page{} }
func (m *Page) String() string { return proto.CompactTextString(m) }
func (*Page) ProtoMessage() {}
func (*Page) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
func (m *Page) GetThisToken() string {
if m != nil {
return m.ThisToken
}
return ""
}
func (m *Page) GetNextToken() string {
if m != nil {
return m.NextToken
}
return ""
}
func (m *Page) GetOld() *LayersIntroducingVulnerabilty {
func (m *Notification) GetOld() *PagedVulnerableAncestries {
if m != nil {
return m.Old
}
return nil
}
func (m *Page) GetNew() *LayersIntroducingVulnerabilty {
func (m *Notification) GetNew() *PagedVulnerableAncestries {
if m != nil {
return m.New
}
return nil
}
type IndexedAncestryName struct {
// index is unique to name in all streams simultaneously streamed, increasing
// and larger than all indexes in previous page in same stream.
Index int32 `protobuf:"varint,1,opt,name=index" json:"index,omitempty"`
Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"`
}
func (m *IndexedAncestryName) Reset() { *m = IndexedAncestryName{} }
func (m *IndexedAncestryName) String() string { return proto.CompactTextString(m) }
func (*IndexedAncestryName) ProtoMessage() {}
func (*IndexedAncestryName) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
func (m *IndexedAncestryName) GetIndex() int32 {
if m != nil {
return m.Index
}
return 0
}
func (m *IndexedAncestryName) GetName() string {
if m != nil {
return m.Name
}
return ""
}
type PagedVulnerableAncestries struct {
CurrentPage string `protobuf:"bytes,1,opt,name=current_page,json=currentPage" json:"current_page,omitempty"`
// if next_page is empty, it signals the end of all pages.
NextPage string `protobuf:"bytes,2,opt,name=next_page,json=nextPage" json:"next_page,omitempty"`
Limit int32 `protobuf:"varint,3,opt,name=limit" json:"limit,omitempty"`
Vulnerability *Vulnerability `protobuf:"bytes,4,opt,name=vulnerability" json:"vulnerability,omitempty"`
Ancestries []*IndexedAncestryName `protobuf:"bytes,5,rep,name=ancestries" json:"ancestries,omitempty"`
}
func (m *PagedVulnerableAncestries) Reset() { *m = PagedVulnerableAncestries{} }
func (m *PagedVulnerableAncestries) String() string { return proto.CompactTextString(m) }
func (*PagedVulnerableAncestries) ProtoMessage() {}
func (*PagedVulnerableAncestries) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
func (m *PagedVulnerableAncestries) GetCurrentPage() string {
if m != nil {
return m.CurrentPage
}
return ""
}
func (m *PagedVulnerableAncestries) GetNextPage() string {
if m != nil {
return m.NextPage
}
return ""
}
func (m *PagedVulnerableAncestries) GetLimit() int32 {
if m != nil {
return m.Limit
}
return 0
}
func (m *PagedVulnerableAncestries) GetVulnerability() *Vulnerability {
if m != nil {
return m.Vulnerability
}
return nil
}
func (m *PagedVulnerableAncestries) GetAncestries() []*IndexedAncestryName {
if m != nil {
return m.Ancestries
}
return nil
}
type PostAncestryRequest struct {
AncestryName string `protobuf:"bytes,1,opt,name=ancestry_name,json=ancestryName" json:"ancestry_name,omitempty"`
Format string `protobuf:"bytes,2,opt,name=format" json:"format,omitempty"`
@ -409,7 +436,7 @@ func (m *PostAncestryRequest) GetLayers() []*PostAncestryRequest_PostLayer {
}
type PostAncestryRequest_PostLayer struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
Hash string `protobuf:"bytes,1,opt,name=hash" json:"hash,omitempty"`
Path string `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
Headers map[string]string `protobuf:"bytes,3,rep,name=headers" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
}
@ -421,9 +448,9 @@ func (*PostAncestryRequest_PostLayer) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{8, 0}
}
func (m *PostAncestryRequest_PostLayer) GetName() string {
func (m *PostAncestryRequest_PostLayer) GetHash() string {
if m != nil {
return m.Name
return m.Hash
}
return ""
}
@ -443,7 +470,7 @@ func (m *PostAncestryRequest_PostLayer) GetHeaders() map[string]string {
}
type PostAncestryResponse struct {
EngineVersion int32 `protobuf:"varint,1,opt,name=engine_version,json=engineVersion" json:"engine_version,omitempty"`
Status *ClairStatus `protobuf:"bytes,1,opt,name=status" json:"status,omitempty"`
}
func (m *PostAncestryResponse) Reset() { *m = PostAncestryResponse{} }
@ -451,11 +478,11 @@ func (m *PostAncestryResponse) String() string { return proto.Compact
func (*PostAncestryResponse) ProtoMessage() {}
func (*PostAncestryResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
func (m *PostAncestryResponse) GetEngineVersion() int32 {
func (m *PostAncestryResponse) GetStatus() *ClairStatus {
if m != nil {
return m.EngineVersion
return m.Status
}
return 0
return nil
}
type GetAncestryRequest struct {
@ -492,7 +519,7 @@ func (m *GetAncestryRequest) GetWithFeatures() bool {
type GetAncestryResponse struct {
Ancestry *Ancestry `protobuf:"bytes,1,opt,name=ancestry" json:"ancestry,omitempty"`
Features []*Feature `protobuf:"bytes,2,rep,name=features" json:"features,omitempty"`
Status *ClairStatus `protobuf:"bytes,2,opt,name=status" json:"status,omitempty"`
}
func (m *GetAncestryResponse) Reset() { *m = GetAncestryResponse{} }
@ -507,17 +534,19 @@ func (m *GetAncestryResponse) GetAncestry() *Ancestry {
return nil
}
func (m *GetAncestryResponse) GetFeatures() []*Feature {
func (m *GetAncestryResponse) GetStatus() *ClairStatus {
if m != nil {
return m.Features
return m.Status
}
return nil
}
type GetNotificationRequest struct {
Page string `protobuf:"bytes,1,opt,name=page" json:"page,omitempty"`
Limit int32 `protobuf:"varint,2,opt,name=limit" json:"limit,omitempty"`
Name string `protobuf:"bytes,3,opt,name=name" json:"name,omitempty"`
// if the vulnerability_page is empty, it implies the first page.
OldVulnerabilityPage string `protobuf:"bytes,1,opt,name=old_vulnerability_page,json=oldVulnerabilityPage" json:"old_vulnerability_page,omitempty"`
NewVulnerabilityPage string `protobuf:"bytes,2,opt,name=new_vulnerability_page,json=newVulnerabilityPage" json:"new_vulnerability_page,omitempty"`
Limit int32 `protobuf:"varint,3,opt,name=limit" json:"limit,omitempty"`
Name string `protobuf:"bytes,4,opt,name=name" json:"name,omitempty"`
}
func (m *GetNotificationRequest) Reset() { *m = GetNotificationRequest{} }
@ -525,9 +554,16 @@ func (m *GetNotificationRequest) String() string { return proto.Compa
func (*GetNotificationRequest) ProtoMessage() {}
func (*GetNotificationRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} }
func (m *GetNotificationRequest) GetPage() string {
func (m *GetNotificationRequest) GetOldVulnerabilityPage() string {
if m != nil {
return m.Page
return m.OldVulnerabilityPage
}
return ""
}
func (m *GetNotificationRequest) GetNewVulnerabilityPage() string {
if m != nil {
return m.NewVulnerabilityPage
}
return ""
}
@ -562,16 +598,16 @@ func (m *GetNotificationResponse) GetNotification() *Notification {
return nil
}
type DeleteNotificationRequest struct {
type MarkNotificationAsReadRequest struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
}
func (m *DeleteNotificationRequest) Reset() { *m = DeleteNotificationRequest{} }
func (m *DeleteNotificationRequest) String() string { return proto.CompactTextString(m) }
func (*DeleteNotificationRequest) ProtoMessage() {}
func (*DeleteNotificationRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
func (m *MarkNotificationAsReadRequest) Reset() { *m = MarkNotificationAsReadRequest{} }
func (m *MarkNotificationAsReadRequest) String() string { return proto.CompactTextString(m) }
func (*MarkNotificationAsReadRequest) ProtoMessage() {}
func (*MarkNotificationAsReadRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
func (m *DeleteNotificationRequest) GetName() string {
func (m *MarkNotificationAsReadRequest) GetName() string {
if m != nil {
return m.Name
}
@ -580,13 +616,13 @@ func (m *DeleteNotificationRequest) GetName() string {
func init() {
proto.RegisterType((*Vulnerability)(nil), "clairpb.Vulnerability")
proto.RegisterType((*ClairStatus)(nil), "clairpb.ClairStatus")
proto.RegisterType((*Feature)(nil), "clairpb.Feature")
proto.RegisterType((*Ancestry)(nil), "clairpb.Ancestry")
proto.RegisterType((*LayersIntroducingVulnerabilty)(nil), "clairpb.LayersIntroducingVulnerabilty")
proto.RegisterType((*OrderedLayerName)(nil), "clairpb.OrderedLayerName")
proto.RegisterType((*Layer)(nil), "clairpb.Layer")
proto.RegisterType((*Notification)(nil), "clairpb.Notification")
proto.RegisterType((*Page)(nil), "clairpb.Page")
proto.RegisterType((*IndexedAncestryName)(nil), "clairpb.IndexedAncestryName")
proto.RegisterType((*PagedVulnerableAncestries)(nil), "clairpb.PagedVulnerableAncestries")
proto.RegisterType((*PostAncestryRequest)(nil), "clairpb.PostAncestryRequest")
proto.RegisterType((*PostAncestryRequest_PostLayer)(nil), "clairpb.PostAncestryRequest.PostLayer")
proto.RegisterType((*PostAncestryResponse)(nil), "clairpb.PostAncestryResponse")
@ -594,7 +630,7 @@ func init() {
proto.RegisterType((*GetAncestryResponse)(nil), "clairpb.GetAncestryResponse")
proto.RegisterType((*GetNotificationRequest)(nil), "clairpb.GetNotificationRequest")
proto.RegisterType((*GetNotificationResponse)(nil), "clairpb.GetNotificationResponse")
proto.RegisterType((*DeleteNotificationRequest)(nil), "clairpb.DeleteNotificationRequest")
proto.RegisterType((*MarkNotificationAsReadRequest)(nil), "clairpb.MarkNotificationAsReadRequest")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -706,7 +742,7 @@ var _AncestryService_serviceDesc = grpc.ServiceDesc{
type NotificationServiceClient interface {
GetNotification(ctx context.Context, in *GetNotificationRequest, opts ...grpc.CallOption) (*GetNotificationResponse, error)
DeleteNotification(ctx context.Context, in *DeleteNotificationRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
MarkNotificationAsRead(ctx context.Context, in *MarkNotificationAsReadRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
}
type notificationServiceClient struct {
@ -726,9 +762,9 @@ func (c *notificationServiceClient) GetNotification(ctx context.Context, in *Get
return out, nil
}
func (c *notificationServiceClient) DeleteNotification(ctx context.Context, in *DeleteNotificationRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
func (c *notificationServiceClient) MarkNotificationAsRead(ctx context.Context, in *MarkNotificationAsReadRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/clairpb.NotificationService/DeleteNotification", in, out, c.cc, opts...)
err := grpc.Invoke(ctx, "/clairpb.NotificationService/MarkNotificationAsRead", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
@ -739,7 +775,7 @@ func (c *notificationServiceClient) DeleteNotification(ctx context.Context, in *
type NotificationServiceServer interface {
GetNotification(context.Context, *GetNotificationRequest) (*GetNotificationResponse, error)
DeleteNotification(context.Context, *DeleteNotificationRequest) (*google_protobuf1.Empty, error)
MarkNotificationAsRead(context.Context, *MarkNotificationAsReadRequest) (*google_protobuf1.Empty, error)
}
func RegisterNotificationServiceServer(s *grpc.Server, srv NotificationServiceServer) {
@ -764,20 +800,20 @@ func _NotificationService_GetNotification_Handler(srv interface{}, ctx context.C
return interceptor(ctx, in, info, handler)
}
func _NotificationService_DeleteNotification_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(DeleteNotificationRequest)
func _NotificationService_MarkNotificationAsRead_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(MarkNotificationAsReadRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(NotificationServiceServer).DeleteNotification(ctx, in)
return srv.(NotificationServiceServer).MarkNotificationAsRead(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/clairpb.NotificationService/DeleteNotification",
FullMethod: "/clairpb.NotificationService/MarkNotificationAsRead",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(NotificationServiceServer).DeleteNotification(ctx, req.(*DeleteNotificationRequest))
return srv.(NotificationServiceServer).MarkNotificationAsRead(ctx, req.(*MarkNotificationAsReadRequest))
}
return interceptor(ctx, in, info, handler)
}
@ -791,8 +827,8 @@ var _NotificationService_serviceDesc = grpc.ServiceDesc{
Handler: _NotificationService_GetNotification_Handler,
},
{
MethodName: "DeleteNotification",
Handler: _NotificationService_DeleteNotification_Handler,
MethodName: "MarkNotificationAsRead",
Handler: _NotificationService_MarkNotificationAsRead_Handler,
},
},
Streams: []grpc.StreamDesc{},
@ -802,71 +838,78 @@ var _NotificationService_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("clair.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 1042 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x56, 0xdd, 0x6e, 0x1b, 0x45,
0x14, 0xd6, 0xda, 0x71, 0x6c, 0x1f, 0xdb, 0x49, 0x3a, 0x49, 0xd3, 0x8d, 0x93, 0x88, 0x74, 0x11,
0xa5, 0xaa, 0xc0, 0x56, 0xd3, 0x9b, 0x12, 0x01, 0x82, 0xa8, 0x6d, 0xa8, 0x04, 0xa5, 0x5a, 0xaa,
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0x39, 0x66, 0xc5, 0xb0, 0x99, 0x2b, 0x49, 0x35, 0xf6, 0x3e, 0xd4, 0xf4, 0xf5, 0xaa, 0xb5, 0x8d,
0xb4, 0xb5, 0x14, 0x9c, 0x42, 0x32, 0x3c, 0x94, 0xae, 0xc1, 0xc3, 0x2f, 0x06, 0xb4, 0x9f, 0x20,
0xcf, 0x2e, 0x2e, 0xcd, 0xc5, 0x01, 0xb4, 0x43, 0xdf, 0xcd, 0x75, 0x39, 0xcd, 0x3e, 0xcd, 0x56,
0xe8, 0xbb, 0xb9, 0xd7, 0x23, 0x9f, 0xe1, 0x01, 0xb4, 0x03, 0x9c, 0x14, 0x65, 0x25, 0x4a, 0xb6,
0x02, 0x9c, 0x2c, 0x66, 0x15, 0x3f, 0x5e, 0xbd, 0x44, 0x96, 0x32, 0x4b, 0xe4, 0x15, 0xdc, 0x5c,
0xa8, 0x57, 0x11, 0xf5, 0x11, 0x34, 0x83, 0x8c, 0x5f, 0x91, 0x75, 0x23, 0xed, 0x3f, 0x97, 0x94,
0x83, 0x5a, 0xfb, 0xb0, 0xfb, 0x8c, 0xc6, 0xe7, 0x59, 0xc4, 0x03, 0x66, 0x23, 0x75, 0x35, 0x19,
0x05, 0xcb, 0xbc, 0xff, 0xa7, 0x01, 0x6b, 0x5a, 0x80, 0x97, 0x18, 0x5f, 0x78, 0x0e, 0x12, 0x0a,
0xcd, 0xec, 0x74, 0x92, 0x9d, 0xb7, 0xbd, 0x93, 0xce, 0xee, 0x15, 0xd1, 0xa4, 0x21, 0xab, 0xf5,
0xdd, 0x9b, 0xbf, 0x7e, 0x2e, 0xad, 0x5a, 0xf5, 0x9e, 0x56, 0xf7, 0xd0, 0xb8, 0x47, 0xce, 0xa1,
0x91, 0x19, 0x13, 0xb2, 0x9d, 0x9e, 0xb1, 0x38, 0xcf, 0x9d, 0x9d, 0xe2, 0xa0, 0x3a, 0xff, 0xb6,
0x3c, 0x7f, 0x9b, 0x6c, 0xa5, 0xe7, 0xf7, 0x5e, 0xe7, 0xc6, 0xff, 0xdb, 0xfe, 0xf7, 0x25, 0xd8,
0xcc, 0xb2, 0xa2, 0xfb, 0x64, 0xb0, 0x36, 0x27, 0x03, 0xb9, 0x95, 0xbd, 0xab, 0x60, 0xa0, 0x3a,
0x7b, 0x57, 0x03, 0x54, 0x41, 0xbb, 0xb2, 0xa0, 0x9b, 0xe4, 0x46, 0x2f, 0xab, 0x0e, 0xeb, 0xbd,
0x96, 0xc5, 0x90, 0x09, 0xb4, 0x8b, 0x55, 0x22, 0xb3, 0x2d, 0xf8, 0x56, 0x19, 0x3b, 0xed, 0x85,
0x3f, 0x61, 0x8f, 0xc4, 0x5f, 0x67, 0x7d, 0xf1, 0xbd, 0xe2, 0x8b, 0x1f, 0xd6, 0xbf, 0xd6, 0xff,
0xcc, 0x4f, 0x96, 0x65, 0xe6, 0xfe, 0x3f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x6e, 0xc1, 0x1d, 0xff,
0xb8, 0x0b, 0x00, 0x00,
}

16
api/v2/clairpb/clair.pb.gw.go → api/v3/clairpb/clair.pb.gw.go
View File

@ -112,8 +112,8 @@ func request_NotificationService_GetNotification_0(ctx context.Context, marshale
}
func request_NotificationService_DeleteNotification_0(ctx context.Context, marshaler runtime.Marshaler, client NotificationServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq DeleteNotificationRequest
func request_NotificationService_MarkNotificationAsRead_0(ctx context.Context, marshaler runtime.Marshaler, client NotificationServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq MarkNotificationAsReadRequest
var metadata runtime.ServerMetadata
var (
@ -134,7 +134,7 @@ func request_NotificationService_DeleteNotification_0(ctx context.Context, marsh
return nil, metadata, err
}
msg, err := client.DeleteNotification(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
msg, err := client.MarkNotificationAsRead(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
return msg, metadata, err
}
@ -301,7 +301,7 @@ func RegisterNotificationServiceHandler(ctx context.Context, mux *runtime.ServeM
})
mux.Handle("DELETE", pattern_NotificationService_DeleteNotification_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
mux.Handle("DELETE", pattern_NotificationService_MarkNotificationAsRead_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
if cn, ok := w.(http.CloseNotifier); ok {
@ -319,14 +319,14 @@ func RegisterNotificationServiceHandler(ctx context.Context, mux *runtime.ServeM
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
resp, md, err := request_NotificationService_DeleteNotification_0(rctx, inboundMarshaler, client, req, pathParams)
resp, md, err := request_NotificationService_MarkNotificationAsRead_0(rctx, inboundMarshaler, client, req, pathParams)
ctx = runtime.NewServerMetadataContext(ctx, md)
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
forward_NotificationService_DeleteNotification_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
forward_NotificationService_MarkNotificationAsRead_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
})
@ -336,11 +336,11 @@ func RegisterNotificationServiceHandler(ctx context.Context, mux *runtime.ServeM
var (
pattern_NotificationService_GetNotification_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"notifications", "name"}, ""))
pattern_NotificationService_DeleteNotification_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"notifications", "name"}, ""))
pattern_NotificationService_MarkNotificationAsRead_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"notifications", "name"}, ""))
)
var (
forward_NotificationService_GetNotification_0 = runtime.ForwardResponseMessage
forward_NotificationService_DeleteNotification_0 = runtime.ForwardResponseMessage
forward_NotificationService_MarkNotificationAsRead_0 = runtime.ForwardResponseMessage
)

79
api/v2/clairpb/clair.proto → api/v3/clairpb/clair.proto
View File

@ -18,6 +18,7 @@ option go_package = "clairpb";
package clairpb;
import "google/api/annotations.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";
message Vulnerability {
string name = 1;
@ -26,38 +27,42 @@ message Vulnerability {
string link = 4;
string severity = 5;
string metadata = 6;
// fixed_by exists when vulnerability is under feature.
string fixed_by = 7;
repeated Feature fixed_in_features = 8;
// affected_versions exists when vulnerability is under notification.
repeated Feature affected_versions = 8;
}
message Feature {
message ClairStatus {
// listers and detectors are processors implemented in this Clair and used to
// scan ancestries
repeated string listers = 1;
repeated string detectors = 2;
google.protobuf.Timestamp last_update_time = 3;
}
message Feature{
string name = 1;
string namespace_name = 2;
string version = 3;
string version_format = 4;
string added_by = 5;
repeated Vulnerability vulnerabilities = 6;
repeated Vulnerability vulnerabilities = 5;
}
message Ancestry {
string name = 1;
int32 engine_version = 2;
repeated Feature features = 2;
repeated Layer layers = 3;
}
message LayersIntroducingVulnerabilty {
Vulnerability vulnerability = 1;
repeated OrderedLayerName layers = 2;
}
message OrderedLayerName {
int32 index = 1;
string layer_name = 2;
// scanned_listers and scanned_detectors are used to scan this ancestry, it
// may be different from listers and detectors in ClairStatus since the
// ancestry could be scanned by previous version of Clair.
repeated string scanned_listers = 4;
repeated string scanned_detectors = 5;
}
message Layer {
string name = 1;
repeated string namespace_names = 2;
string hash = 1;
}
message Notification {
@ -65,21 +70,29 @@ message Notification {
string created = 2;
string notified = 3;
string deleted = 4;
int32 limit = 5;
Page page = 6;
PagedVulnerableAncestries old = 5;
PagedVulnerableAncestries new = 6;
}
message Page {
string this_token = 1;
string next_token = 2;
LayersIntroducingVulnerabilty old = 3;
LayersIntroducingVulnerabilty new = 4;
message IndexedAncestryName {
// index is unique to name in all streams simultaneously streamed, increasing
// and larger than all indexes in previous page in same stream.
int32 index = 1;
string name = 2;
}
message PagedVulnerableAncestries {
string current_page = 1;
// if next_page is empty, it signals the end of all pages.
string next_page = 2;
int32 limit = 3;
Vulnerability vulnerability = 4;
repeated IndexedAncestryName ancestries = 5;
}
message PostAncestryRequest {
message PostLayer {
string name = 1;
string hash = 1;
string path = 2;
map<string, string> headers = 3;
}
@ -89,7 +102,7 @@ message PostAncestryRequest {
}
message PostAncestryResponse {
int32 engine_version = 1;
ClairStatus status = 1;
}
message GetAncestryRequest {
@ -100,25 +113,25 @@ message GetAncestryRequest {
message GetAncestryResponse {
Ancestry ancestry = 1;
repeated Feature features = 2;
ClairStatus status = 2;
}
message GetNotificationRequest {
string page = 1;
int32 limit = 2;
string name = 3;
// if the vulnerability_page is empty, it implies the first page.
string old_vulnerability_page = 1;
string new_vulnerability_page = 2;
int32 limit = 3;
string name = 4;
}
message GetNotificationResponse {
Notification notification = 1;
}
message DeleteNotificationRequest {
message MarkNotificationAsReadRequest {
string name = 1;
}
service AncestryService{
rpc PostAncestry(PostAncestryRequest) returns (PostAncestryResponse) {
option (google.api.http) = {
@ -141,7 +154,7 @@ service NotificationService{
};
}
rpc DeleteNotification(DeleteNotificationRequest) returns (google.protobuf.Empty) {
rpc MarkNotificationAsRead(MarkNotificationAsReadRequest) returns (google.protobuf.Empty) {
option (google.api.http) = {
delete: "/notifications/{name}"
};

169
api/v2/clairpb/clair.swagger.json → api/v3/clairpb/clair.swagger.json
View File

@ -98,7 +98,14 @@
"type": "string"
},
{
"name": "page",
"name": "old_vulnerability_page",
"description": "if the vulnerability_page is empty, it implies the first page.",
"in": "query",
"required": false,
"type": "string"
},
{
"name": "new_vulnerability_page",
"in": "query",
"required": false,
"type": "string"
@ -116,7 +123,7 @@
]
},
"delete": {
"operationId": "DeleteNotification",
"operationId": "MarkNotificationAsRead",
"responses": {
"200": {
"description": "",
@ -143,7 +150,7 @@
"PostAncestryRequestPostLayer": {
"type": "object",
"properties": {
"name": {
"hash": {
"type": "string"
},
"path": {
@ -163,15 +170,52 @@
"name": {
"type": "string"
},
"engine_version": {
"type": "integer",
"format": "int32"
"features": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbFeature"
}
},
"layers": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbLayer"
}
},
"scanned_listers": {
"type": "array",
"items": {
"type": "string"
},
"description": "scanned_listers and scanned_detectors are used to scan this ancestry, it\nmay be different from listers and detectors in ClairStatus since the\nancestry could be scanned by previous version of Clair."
},
"scanned_detectors": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"clairpbClairStatus": {
"type": "object",
"properties": {
"listers": {
"type": "array",
"items": {
"type": "string"
},
"title": "listers and detectors are processors implemented in this Clair and used to\nscan ancestries"
},
"detectors": {
"type": "array",
"items": {
"type": "string"
}
},
"last_update_time": {
"type": "string",
"format": "date-time"
}
}
},
@ -190,9 +234,6 @@
"version_format": {
"type": "string"
},
"added_by": {
"type": "string"
},
"vulnerabilities": {
"type": "array",
"items": {
@ -207,11 +248,8 @@
"ancestry": {
"$ref": "#/definitions/clairpbAncestry"
},
"features": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbFeature"
}
"status": {
"$ref": "#/definitions/clairpbClairStatus"
}
}
},
@ -223,31 +261,24 @@
}
}
},
"clairpbIndexedAncestryName": {
"type": "object",
"properties": {
"index": {
"type": "integer",
"format": "int32",
"description": "index is unique to name in all streams simultaneously streamed, increasing\nand larger than all indexes in previous page in same stream."
},
"name": {
"type": "string"
}
}
},
"clairpbLayer": {
"type": "object",
"properties": {
"name": {
"hash": {
"type": "string"
},
"namespace_names": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"clairpbLayersIntroducingVulnerabilty": {
"type": "object",
"properties": {
"vulnerability": {
"$ref": "#/definitions/clairpbVulnerability"
},
"layers": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbOrderedLayerName"
}
}
}
},
@ -266,42 +297,37 @@
"deleted": {
"type": "string"
},
"old": {
"$ref": "#/definitions/clairpbPagedVulnerableAncestries"
},
"new": {
"$ref": "#/definitions/clairpbPagedVulnerableAncestries"
}
}
},
"clairpbPagedVulnerableAncestries": {
"type": "object",
"properties": {
"current_page": {
"type": "string"
},
"next_page": {
"type": "string",
"description": "if next_page is empty, it signals the end of all pages."
},
"limit": {
"type": "integer",
"format": "int32"
},
"page": {
"$ref": "#/definitions/clairpbPage"
"vulnerability": {
"$ref": "#/definitions/clairpbVulnerability"
},
"ancestries": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbIndexedAncestryName"
}
}
},
"clairpbOrderedLayerName": {
"type": "object",
"properties": {
"index": {
"type": "integer",
"format": "int32"
},
"layer_name": {
"type": "string"
}
}
},
"clairpbPage": {
"type": "object",
"properties": {
"this_token": {
"type": "string"
},
"next_token": {
"type": "string"
},
"old": {
"$ref": "#/definitions/clairpbLayersIntroducingVulnerabilty"
},
"new": {
"$ref": "#/definitions/clairpbLayersIntroducingVulnerabilty"
}
}
},
"clairpbPostAncestryRequest": {
@ -324,9 +350,8 @@
"clairpbPostAncestryResponse": {
"type": "object",
"properties": {
"engine_version": {
"type": "integer",
"format": "int32"
"status": {
"$ref": "#/definitions/clairpbClairStatus"
}
}
},
@ -352,13 +377,15 @@
"type": "string"
},
"fixed_by": {
"type": "string"
"type": "string",
"description": "fixed_by exists when vulnerability is under feature."
},
"fixed_in_features": {
"affected_versions": {
"type": "array",
"items": {
"$ref": "#/definitions/clairpbFeature"
}
},
"description": "affected_versions exists when vulnerability is under notification."
}
}
},

155
api/v3/clairpb/convert.go Normal file
View File

@ -0,0 +1,155 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clairpb
import (
"encoding/json"
"fmt"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
)
// PagedVulnerableAncestriesFromDatabaseModel converts database
// PagedVulnerableAncestries to api PagedVulnerableAncestries and assigns
// indexes to ancestries.
func PagedVulnerableAncestriesFromDatabaseModel(dbVuln *database.PagedVulnerableAncestries) (*PagedVulnerableAncestries, error) {
if dbVuln == nil {
return nil, nil
}
vuln, err := VulnerabilityFromDatabaseModel(dbVuln.Vulnerability)
if err != nil {
return nil, err
}
next := ""
if !dbVuln.End {
next = string(dbVuln.Next)
}
vulnAncestry := PagedVulnerableAncestries{
Vulnerability: vuln,
CurrentPage: string(dbVuln.Current),
NextPage: next,
Limit: int32(dbVuln.Limit),
}
for index, ancestryName := range dbVuln.Affected {
indexedAncestry := IndexedAncestryName{
Name: ancestryName,
Index: int32(index),
}
vulnAncestry.Ancestries = append(vulnAncestry.Ancestries, &indexedAncestry)
}
return &vulnAncestry, nil
}
// NotificationFromDatabaseModel converts database notification, old and new
// vulnerabilities' paged vulnerable ancestries to be api notification.
func NotificationFromDatabaseModel(dbNotification database.VulnerabilityNotificationWithVulnerable) (*Notification, error) {
var (
noti Notification
err error
)
noti.Name = dbNotification.Name
if !dbNotification.Created.IsZero() {
noti.Created = fmt.Sprintf("%d", dbNotification.Created.Unix())
}
if !dbNotification.Notified.IsZero() {
noti.Notified = fmt.Sprintf("%d", dbNotification.Notified.Unix())
}
if !dbNotification.Deleted.IsZero() {
noti.Deleted = fmt.Sprintf("%d", dbNotification.Deleted.Unix())
}
noti.Old, err = PagedVulnerableAncestriesFromDatabaseModel(dbNotification.Old)
if err != nil {
return nil, err
}
noti.New, err = PagedVulnerableAncestriesFromDatabaseModel(dbNotification.New)
if err != nil {
return nil, err
}
return &noti, nil
}
func VulnerabilityFromDatabaseModel(dbVuln database.Vulnerability) (*Vulnerability, error) {
metaString := ""
if dbVuln.Metadata != nil {
metadataByte, err := json.Marshal(dbVuln.Metadata)
if err != nil {
return nil, err
}
metaString = string(metadataByte)
}
return &Vulnerability{
Name: dbVuln.Name,
NamespaceName: dbVuln.Namespace.Name,
Description: dbVuln.Description,
Link: dbVuln.Link,
Severity: string(dbVuln.Severity),
Metadata: metaString,
}, nil
}
func VulnerabilityWithFixedInFromDatabaseModel(dbVuln database.VulnerabilityWithFixedIn) (*Vulnerability, error) {
vuln, err := VulnerabilityFromDatabaseModel(dbVuln.Vulnerability)
if err != nil {
return nil, err
}
vuln.FixedBy = dbVuln.FixedInVersion
return vuln, nil
}
// AncestryFromDatabaseModel converts database ancestry to api ancestry.
func AncestryFromDatabaseModel(dbAncestry database.Ancestry) *Ancestry {
ancestry := &Ancestry{
Name: dbAncestry.Name,
}
for _, layer := range dbAncestry.Layers {
ancestry.Layers = append(ancestry.Layers, LayerFromDatabaseModel(layer))
}
return ancestry
}
// LayerFromDatabaseModel converts database layer to api layer.
func LayerFromDatabaseModel(dbLayer database.Layer) *Layer {
layer := Layer{Hash: dbLayer.Hash}
return &layer
}
// NamespacedFeatureFromDatabaseModel converts database namespacedFeature to api Feature.
func NamespacedFeatureFromDatabaseModel(feature database.NamespacedFeature) *Feature {
version := feature.Feature.Version
if version == versionfmt.MaxVersion {
version = "None"
}
return &Feature{
Name: feature.Feature.Name,
NamespaceName: feature.Namespace.Name,
VersionFormat: feature.Namespace.VersionFormat,
Version: version,
}
}

253
api/v3/rpc.go Normal file
View File

@ -0,0 +1,253 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v3
import (
"fmt"
"github.com/golang/protobuf/ptypes"
google_protobuf1 "github.com/golang/protobuf/ptypes/empty"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/coreos/clair"
pb "github.com/coreos/clair/api/v3/clairpb"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
)
// NotificationServer implements NotificationService interface for serving RPC.
type NotificationServer struct {
Store database.Datastore
}
// AncestryServer implements AncestryService interface for serving RPC.
type AncestryServer struct {
Store database.Datastore
}
// PostAncestry implements posting an ancestry via the Clair gRPC service.
func (s *AncestryServer) PostAncestry(ctx context.Context, req *pb.PostAncestryRequest) (*pb.PostAncestryResponse, error) {
ancestryName := req.GetAncestryName()
if ancestryName == "" {
return nil, status.Error(codes.InvalidArgument, "ancestry name should not be empty")
}
layers := req.GetLayers()
if len(layers) == 0 {
return nil, status.Error(codes.InvalidArgument, "ancestry should have at least one layer")
}
ancestryFormat := req.GetFormat()
if ancestryFormat == "" {
return nil, status.Error(codes.InvalidArgument, "ancestry format should not be empty")
}
ancestryLayers := []clair.LayerRequest{}
for _, layer := range layers {
if layer == nil {
err := status.Error(codes.InvalidArgument, "ancestry layer is invalid")
return nil, err
}
if layer.GetHash() == "" {
return nil, status.Error(codes.InvalidArgument, "ancestry layer hash should not be empty")
}
if layer.GetPath() == "" {
return nil, status.Error(codes.InvalidArgument, "ancestry layer path should not be empty")
}
ancestryLayers = append(ancestryLayers, clair.LayerRequest{
Hash: layer.Hash,
Headers: layer.Headers,
Path: layer.Path,
})
}
err := clair.ProcessAncestry(s.Store, ancestryFormat, ancestryName, ancestryLayers)
if err != nil {
return nil, status.Error(codes.Internal, "ancestry is failed to be processed: "+err.Error())
}
clairStatus, err := s.getClairStatus()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &pb.PostAncestryResponse{Status: clairStatus}, nil
}
func (s *AncestryServer) getClairStatus() (*pb.ClairStatus, error) {
status := &pb.ClairStatus{
Listers: clair.Processors.Listers,
Detectors: clair.Processors.Detectors,
}
t, firstUpdate, err := clair.GetLastUpdateTime(s.Store)
if err != nil {
return nil, err
}
if firstUpdate {
return status, nil
}
status.LastUpdateTime, err = ptypes.TimestampProto(t)
if err != nil {
return nil, err
}
return status, nil
}
// GetAncestry implements retrieving an ancestry via the Clair gRPC service.
func (s *AncestryServer) GetAncestry(ctx context.Context, req *pb.GetAncestryRequest) (*pb.GetAncestryResponse, error) {
if req.GetAncestryName() == "" {
return nil, status.Errorf(codes.InvalidArgument, "ancestry name should not be empty")
}
tx, err := s.Store.Begin()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer tx.Rollback()
ancestry, _, ok, err := tx.FindAncestry(req.GetAncestryName())
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
} else if !ok {
return nil, status.Error(codes.NotFound, fmt.Sprintf("requested ancestry '%s' is not found", req.GetAncestryName()))
}
pbAncestry := pb.AncestryFromDatabaseModel(ancestry)
if req.GetWithFeatures() || req.GetWithVulnerabilities() {
ancestryWFeature, ok, err := tx.FindAncestryFeatures(ancestry.Name)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
if !ok {
return nil, status.Error(codes.NotFound, fmt.Sprintf("requested ancestry '%s' is not found", req.GetAncestryName()))
}
pbAncestry.ScannedDetectors = ancestryWFeature.ProcessedBy.Detectors
pbAncestry.ScannedListers = ancestryWFeature.ProcessedBy.Listers
if req.GetWithVulnerabilities() {
featureVulnerabilities, err := tx.FindAffectedNamespacedFeatures(ancestryWFeature.Features)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
for _, fv := range featureVulnerabilities {
// Ensure that every feature can be found.
if !fv.Valid {
return nil, status.Error(codes.Internal, "ancestry feature is not found")
}
pbFeature := pb.NamespacedFeatureFromDatabaseModel(fv.NamespacedFeature)
for _, v := range fv.AffectedBy {
pbVuln, err := pb.VulnerabilityWithFixedInFromDatabaseModel(v)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
pbFeature.Vulnerabilities = append(pbFeature.Vulnerabilities, pbVuln)
}
pbAncestry.Features = append(pbAncestry.Features, pbFeature)
}
} else {
for _, f := range ancestryWFeature.Features {
pbAncestry.Features = append(pbAncestry.Features, pb.NamespacedFeatureFromDatabaseModel(f))
}
}
}
clairStatus, err := s.getClairStatus()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &pb.GetAncestryResponse{
Status: clairStatus,
Ancestry: pbAncestry,
}, nil
}
// GetNotification implements retrieving a notification via the Clair gRPC
// service.
func (s *NotificationServer) GetNotification(ctx context.Context, req *pb.GetNotificationRequest) (*pb.GetNotificationResponse, error) {
if req.GetName() == "" {
return nil, status.Error(codes.InvalidArgument, "notification name should not be empty")
}
if req.GetLimit() <= 0 {
return nil, status.Error(codes.InvalidArgument, "notification page limit should not be empty or less than 1")
}
tx, err := s.Store.Begin()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer tx.Rollback()
dbNotification, ok, err := tx.FindVulnerabilityNotification(
req.GetName(),
int(req.GetLimit()),
database.PageNumber(req.GetOldVulnerabilityPage()),
database.PageNumber(req.GetNewVulnerabilityPage()),
)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
if !ok {
return nil, status.Error(codes.NotFound, fmt.Sprintf("requested notification '%s' is not found", req.GetName()))
}
notification, err := pb.NotificationFromDatabaseModel(dbNotification)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &pb.GetNotificationResponse{Notification: notification}, nil
}
// MarkNotificationAsRead implements deleting a notification via the Clair gRPC
// service.
func (s *NotificationServer) MarkNotificationAsRead(ctx context.Context, req *pb.MarkNotificationAsReadRequest) (*google_protobuf1.Empty, error) {
if req.GetName() == "" {
return nil, status.Error(codes.InvalidArgument, "notification name should not be empty")
}
tx, err := s.Store.Begin()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer tx.Rollback()
err = tx.DeleteNotification(req.GetName())
if err == commonerr.ErrNotFound {
return nil, status.Error(codes.NotFound, "requested notification \""+req.GetName()+"\" is not found")
} else if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
if err := tx.Commit(); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &google_protobuf1.Empty{}, nil
}

20
api/v2/server.go → api/v3/server.go
View File

@ -12,7 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
package v2
package v3
import (
"context"
@ -32,7 +32,7 @@ import (
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
pb "github.com/coreos/clair/api/v2/clairpb"
pb "github.com/coreos/clair/api/v3/clairpb"
"github.com/coreos/clair/database"
)
@ -47,8 +47,8 @@ func handleShutdown(err error) {
var (
promResponseDurationMilliseconds = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Name: "clair_v2_api_response_duration_milliseconds",
Help: "The duration of time it takes to receieve and write a response to an V2 API request",
Name: "clair_v3_api_response_duration_milliseconds",
Help: "The duration of time it takes to receive and write a response to an V2 API request",
Buckets: prometheus.ExponentialBuckets(9.375, 2, 10),
}, []string{"route", "code"})
)
@ -57,7 +57,7 @@ func init() {
prometheus.MustRegister(promResponseDurationMilliseconds)
}
func newGrpcServer(paginationKey string, store database.Datastore, tlsConfig *tls.Config) *grpc.Server {
func newGrpcServer(store database.Datastore, tlsConfig *tls.Config) *grpc.Server {
grpcOpts := []grpc.ServerOption{
grpc.UnaryInterceptor(grpc_prometheus.UnaryServerInterceptor),
grpc.StreamInterceptor(grpc_prometheus.StreamServerInterceptor),
@ -69,7 +69,7 @@ func newGrpcServer(paginationKey string, store database.Datastore, tlsConfig *tl
grpcServer := grpc.NewServer(grpcOpts...)
pb.RegisterAncestryServiceServer(grpcServer, &AncestryServer{Store: store})
pb.RegisterNotificationServiceServer(grpcServer, &NotificationServer{PaginationKey: paginationKey, Store: store})
pb.RegisterNotificationServiceServer(grpcServer, &NotificationServer{Store: store})
return grpcServer
}
@ -102,7 +102,7 @@ func logHandler(handler http.Handler) http.Handler {
"method": r.Method,
"request uri": r.RequestURI,
"status": statusStr,
"elapsed time": time.Since(start),
"elapsed time (ms)": float64(time.Since(start).Nanoseconds()) * 1e-6,
}).Info("Handled HTTP request")
})
}
@ -148,7 +148,7 @@ func servePrometheus(mux *http.ServeMux) {
}
// Run initializes grpc and grpc gateway api services on the same port
func Run(GrpcPort int, tlsConfig *tls.Config, PaginationKey, CertFile, KeyFile string, store database.Datastore) {
func Run(GrpcPort int, tlsConfig *tls.Config, CertFile, KeyFile string, store database.Datastore) {
l, err := net.Listen("tcp", fmt.Sprintf("localhost:%d", GrpcPort))
if err != nil {
log.WithError(err).Fatalf("could not bind to port %d", GrpcPort)
@ -175,7 +175,7 @@ func Run(GrpcPort int, tlsConfig *tls.Config, PaginationKey, CertFile, KeyFile s
apiListener = tls.NewListener(tcpMux.Match(cmux.Any()), tlsConfig)
go func() { handleShutdown(tcpMux.Serve()) }()
grpcServer := newGrpcServer(PaginationKey, store, tlsConfig)
grpcServer := newGrpcServer(store, tlsConfig)
gwmux := newGrpcGatewayServer(ctx, apiListener.Addr().String(), tlsConfig)
httpMux.Handle("/", gwmux)
@ -188,7 +188,7 @@ func Run(GrpcPort int, tlsConfig *tls.Config, PaginationKey, CertFile, KeyFile s
apiListener = tcpMux.Match(cmux.Any())
go func() { handleShutdown(tcpMux.Serve()) }()
grpcServer := newGrpcServer(PaginationKey, store, nil)
grpcServer := newGrpcServer(store, nil)
go func() { handleShutdown(grpcServer.Serve(grpcL)) }()
gwmux := newGrpcGatewayServer(ctx, apiListener.Addr().String(), nil)

22
cmd/clair/config.go
View File

@ -20,13 +20,17 @@ import (
"os"
"time"
"github.com/fernet/fernet-go"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v2"
"github.com/coreos/clair"
"github.com/coreos/clair/api"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/featurens"
"github.com/coreos/clair/ext/notification"
"github.com/fernet/fernet-go"
"github.com/coreos/clair/ext/vulnsrc"
)
// ErrDatasourceNotLoaded is returned when the datasource variable in the
@ -43,6 +47,7 @@ type File struct {
type Config struct {
Database database.RegistrableComponentConfig
Updater *clair.UpdaterConfig
Worker *clair.WorkerConfig
Notifier *notification.Config
API *api.Config
}
@ -54,12 +59,16 @@ func DefaultConfig() Config {
Type: "pgsql",
},
Updater: &clair.UpdaterConfig{
EnabledUpdaters: vulnsrc.ListUpdaters(),
Interval: 1 * time.Hour,
},
Worker: &clair.WorkerConfig{
EnabledDetectors: featurens.ListDetectors(),
EnabledListers: featurefmt.ListListers(),
},
API: &api.Config{
Port: 6060,
HealthPort: 6061,
GrpcPort: 6070,
GrpcPort: 6060,
Timeout: 900 * time.Second,
},
Notifier: &notification.Config{
@ -97,14 +106,15 @@ func LoadConfig(path string) (config *Config, err error) {
config = &cfgFile.Clair
// Generate a pagination key if none is provided.
if config.API.PaginationKey == "" {
if v, ok := config.Database.Options["paginationkey"]; !ok || v == nil || v.(string) == "" {
log.Warn("pagination key is empty, generating...")
var key fernet.Key
if err = key.Generate(); err != nil {
return
}
config.API.PaginationKey = key.Encode()
config.Database.Options["paginationkey"] = key.Encode()
} else {
_, err = fernet.DecodeKey(config.API.PaginationKey)
_, err = fernet.DecodeKey(config.Database.Options["paginationkey"].(string))
if err != nil {
err = errors.New("Invalid Pagination key; must be 32-bit URL-safe base64")
return

59
cmd/clair/main.go
View File

@ -30,9 +30,13 @@ import (
"github.com/coreos/clair"
"github.com/coreos/clair/api"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/featurens"
"github.com/coreos/clair/ext/imagefmt"
"github.com/coreos/clair/ext/vulnsrc"
"github.com/coreos/clair/pkg/formatter"
"github.com/coreos/clair/pkg/stopper"
"github.com/coreos/clair/pkg/strutil"
// Register database driver.
_ "github.com/coreos/clair/database/pgsql"
@ -85,6 +89,43 @@ func stopCPUProfiling(f *os.File) {
log.Info("stopped CPU profiling")
}
func configClairVersion(config *Config) {
listers := featurefmt.ListListers()
detectors := featurens.ListDetectors()
updaters := vulnsrc.ListUpdaters()
log.WithFields(log.Fields{
"Listers": strings.Join(listers, ","),
"Detectors": strings.Join(detectors, ","),
"Updaters": strings.Join(updaters, ","),
}).Info("Clair registered components")
unregDetectors := strutil.CompareStringLists(config.Worker.EnabledDetectors, detectors)
unregListers := strutil.CompareStringLists(config.Worker.EnabledListers, listers)
unregUpdaters := strutil.CompareStringLists(config.Updater.EnabledUpdaters, updaters)
if len(unregDetectors) != 0 || len(unregListers) != 0 || len(unregUpdaters) != 0 {
log.WithFields(log.Fields{
"Unknown Detectors": strings.Join(unregDetectors, ","),
"Unknown Listers": strings.Join(unregListers, ","),
"Unknown Updaters": strings.Join(unregUpdaters, ","),
"Available Listers": strings.Join(featurefmt.ListListers(), ","),
"Available Detectors": strings.Join(featurens.ListDetectors(), ","),
"Available Updaters": strings.Join(vulnsrc.ListUpdaters(), ","),
}).Fatal("Unknown or unregistered components are configured")
}
// verify the user specified detectors/listers/updaters are implemented. If
// some are not registered, it logs warning and won't use the unregistered
// extensions.
clair.Processors = database.Processors{
Detectors: strutil.CompareStringListsInBoth(config.Worker.EnabledDetectors, detectors),
Listers: strutil.CompareStringListsInBoth(config.Worker.EnabledListers, listers),
}
clair.EnabledUpdaters = strutil.CompareStringListsInBoth(config.Updater.EnabledUpdaters, updaters)
}
// Boot starts Clair instance with the provided config.
func Boot(config *Config) {
rand.Seed(time.Now().UnixNano())
@ -102,9 +143,8 @@ func Boot(config *Config) {
go clair.RunNotifier(config.Notifier, db, st)
// Start API
st.Begin()
go api.Run(config.API, db, st)
go api.RunV2(config.API, db)
st.Begin()
go api.RunHealth(config.API, db, st)
@ -135,19 +175,17 @@ func main() {
}
}
// Load configuration
config, err := LoadConfig(*flagConfigPath)
if err != nil {
log.WithError(err).Fatal("failed to load configuration")
}
// Initialize logging system
logLevel, err := log.ParseLevel(strings.ToUpper(*flagLogLevel))
log.SetLevel(logLevel)
log.SetOutput(os.Stdout)
log.SetFormatter(&formatter.JSONExtendedFormatter{ShowLn: true})
config, err := LoadConfig(*flagConfigPath)
if err != nil {
log.WithError(err).Fatal("failed to load configuration")
}
// Enable CPU Profiling if specified
if *flagCPUProfilePath != "" {
defer stopCPUProfiling(startCPUProfiling(*flagCPUProfilePath))
@ -159,5 +197,8 @@ func main() {
imagefmt.SetInsecureTLS(*flagInsecureTLS)
}
// configure updater and worker
configClairVersion(config)
Boot(config)
}

34
config.example.yaml
View File

@ -25,11 +25,15 @@ clair:
# Number of elements kept in the cache
# Values unlikely to change (e.g. namespaces) are cached in order to save prevent needless roundtrips to the database.
cachesize: 16384
# 32-bit URL-safe base64 key used to encrypt pagination tokens
# If one is not provided, it will be generated.
# Multiple clair instances in the same cluster need the same value.
paginationkey:
api:
# API server port
port: 6060
grpcPort: 6070
# v3 grpc/RESTful API server port
grpcport : 6060
# Health server port
# This is an unencrypted endpoint useful for load balancers to check to healthiness of the clair server.
healthport: 6061
@ -37,11 +41,6 @@ clair:
# Deadline before an API request will respond with a 503
timeout: 900s
# 32-bit URL-safe base64 key used to encrypt pagination tokens
# If one is not provided, it will be generated.
# Multiple clair instances in the same cluster need the same value.
paginationkey:
# Optional PKI configuration
# If you want to easily generate client certificates and CAs, try the following projects:
# https://github.com/coreos/etcd-ca
@ -51,10 +50,29 @@ clair:
keyfile:
certfile:
worker:
namespace_detectors:
- os-release
- lsb-release
- apt-sources
- alpine-release
- redhat-release
feature_listers:
- apk
- dpkg
- rpm
updater:
# Frequency the database will be updated with vulnerabilities from the default data sources
# The value 0 disables the updater entirely.
interval: 2h
enabledupdaters:
- debian
- ubuntu
- rhel
- oracle
- alpine
notifier:
# Number of attempts before the notification is marked as failed to be sent

229
database/database.go
View File

@ -23,9 +23,9 @@ import (
)
var (
// ErrBackendException is an error that occurs when the database backend does
// not work properly (ie. unreachable).
ErrBackendException = errors.New("database: an error occured when querying the backend")
// ErrBackendException is an error that occurs when the database backend
// does not work properly (ie. unreachable).
ErrBackendException = errors.New("database: an error occurred when querying the backend")
// ErrInconsistent is an error that occurs when a database consistency check
// fails (i.e. when an entity which is supposed to be unique is detected
@ -43,8 +43,8 @@ type RegistrableComponentConfig struct {
var drivers = make(map[string]Driver)
// Driver is a function that opens a Datastore specified by its database driver type and specific
// configuration.
// Driver is a function that opens a Datastore specified by its database driver
// type and specific configuration.
type Driver func(RegistrableComponentConfig) (Datastore, error)
// Register makes a Constructor available by the provided name.
@ -70,130 +70,127 @@ func Open(cfg RegistrableComponentConfig) (Datastore, error) {
return driver(cfg)
}
// Datastore represents the required operations on a persistent data store for
// a Clair deployment.
type Datastore interface {
// ListNamespaces returns the entire list of known Namespaces.
ListNamespaces() ([]Namespace, error)
// InsertLayer stores a Layer in the database.
// Session contains the required operations on a persistent data store for a
// Clair deployment.
//
// Session is started by Datastore.Begin and terminated with Commit or Rollback.
// Besides Commit and Rollback, other functions cannot be called after the
// session is terminated.
// Any function is not guaranteed to be called successfully if there's a session
// failure.
type Session interface {
// Commit commits changes to datastore.
//
// A Layer is uniquely identified by its Name.
// The Name and EngineVersion fields are mandatory.
// If a Parent is specified, it is expected that it has been retrieved using
// FindLayer.
// If a Layer that already exists is inserted and the EngineVersion of the
// given Layer is higher than the stored one, the stored Layer should be
// updated.
// The function has to be idempotent, inserting a layer that already exists
// shouldn't return an error.
InsertLayer(Layer) error
// Commit call after Rollback does no-op.
Commit() error
// FindLayer retrieves a Layer from the database.
// Rollback drops changes to datastore.
//
// When `withFeatures` is true, the Features field should be filled.
// When `withVulnerabilities` is true, the Features field should be filled
// and their AffectedBy fields should contain every vulnerabilities that
// affect them.
FindLayer(name string, withFeatures, withVulnerabilities bool) (Layer, error)
// Rollback call after Commit does no-op.
Rollback() error
// DeleteLayer deletes a Layer from the database and every layers that are
// based on it, recursively.
DeleteLayer(name string) error
// UpsertAncestry inserts or replaces an ancestry and its namespaced
// features and processors used to scan the ancestry.
UpsertAncestry(ancestry Ancestry, features []NamespacedFeature, processedBy Processors) error
// ListVulnerabilities returns the list of vulnerabilities of a particular
// Namespace.
// FindAncestry retrieves an ancestry with processors used to scan the
// ancestry. If the ancestry is not found, return false.
//
// The Limit and page parameters are used to paginate the return list.
// The first given page should be 0.
// The function should return the next available page. If there are no more
// pages, -1 has to be returned.
ListVulnerabilities(namespaceName string, limit int, page int) ([]Vulnerability, int, error)
// The ancestry's processors are returned to short cut processing ancestry
// if it has been processed by all processors in the current Clair instance.
FindAncestry(name string) (ancestry Ancestry, processedBy Processors, found bool, err error)
// InsertVulnerabilities stores the given Vulnerabilities in the database,
// updating them if necessary.
// FindAncestryFeatures retrieves an ancestry with all detected namespaced
// features. If the ancestry is not found, return false.
FindAncestryFeatures(name string) (ancestry AncestryWithFeatures, found bool, err error)
// PersistFeatures inserts a set of features if not in the database.
PersistFeatures(features []Feature) error
// PersistNamespacedFeatures inserts a set of namespaced features if not in
// the database.
PersistNamespacedFeatures([]NamespacedFeature) error
// CacheAffectedNamespacedFeatures relates the namespaced features with the
// vulnerabilities affecting these features.
//
// A vulnerability is uniquely identified by its Namespace and its Name.
// The FixedIn field may only contain a partial list of Features that are
// affected by the Vulnerability, along with the version in which the
// vulnerability is fixed. It is the responsibility of the implementation to
// update the list properly.
// A version equals to versionfmt.MinVersion means that the given Feature is
// not being affected by the Vulnerability at all and thus, should be removed
// from the list.
// It is important that Features should be unique in the FixedIn list. For
// example, it doesn't make sense to have two `openssl` Feature listed as a
// Vulnerability can only be fixed in one Version. This is true because
// Vulnerabilities and Features are namespaced (i.e. specific to one
// operating system).
// Each vulnerability insertion or update has to create a Notification that
// will contain the old and the updated Vulnerability, unless
// createNotification equals to true.
InsertVulnerabilities(vulnerabilities []Vulnerability, createNotification bool) error
// NOTE(Sida): it's not necessary for every database implementation and so
// this function may have a better home.
CacheAffectedNamespacedFeatures([]NamespacedFeature) error
// FindVulnerability retrieves a Vulnerability from the database, including
// the FixedIn list.
FindVulnerability(namespaceName, name string) (Vulnerability, error)
// FindAffectedNamespacedFeatures retrieves a set of namespaced features
// with affecting vulnerabilities.
FindAffectedNamespacedFeatures(features []NamespacedFeature) ([]NullableAffectedNamespacedFeature, error)
// DeleteVulnerability removes a Vulnerability from the database.
// PersistNamespaces inserts a set of namespaces if not in the database.
PersistNamespaces([]Namespace) error
// PersistLayer inserts a layer if not in the datastore.
PersistLayer(Layer) error
// PersistLayerContent persists a layer's content in the database. The given
// namespaces and features can be partial content of this layer.
//
// It has to create a Notification that will contain the old Vulnerability.
DeleteVulnerability(namespaceName, name string) error
// The layer, namespaces and features are expected to be already existing
// in the database.
PersistLayerContent(hash string, namespaces []Namespace, features []Feature, processedBy Processors) error
// InsertVulnerabilityFixes adds new FixedIn Feature or update the Versions
// of existing ones to the specified Vulnerability in the database.
// FindLayer retrieves a layer and the processors scanned the layer.
FindLayer(hash string) (layer Layer, processedBy Processors, found bool, err error)
// FindLayerWithContent returns a layer with all detected features and
// namespaces.
FindLayerWithContent(hash string) (layer LayerWithContent, found bool, err error)
// InsertVulnerabilities inserts a set of UNIQUE vulnerabilities with
// affected features into database, assuming that all vulnerabilities
// provided are NOT in database and all vulnerabilities' namespaces are
// already in the database.
InsertVulnerabilities([]VulnerabilityWithAffected) error
// FindVulnerability retrieves a set of Vulnerabilities with affected
// features.
FindVulnerabilities([]VulnerabilityID) ([]NullableVulnerability, error)
// DeleteVulnerability removes a set of Vulnerabilities assuming that the
// requested vulnerabilities are in the database.
DeleteVulnerabilities([]VulnerabilityID) error
// InsertVulnerabilityNotifications inserts a set of unique vulnerability
// notifications into datastore, assuming that they are not in the database.
InsertVulnerabilityNotifications([]VulnerabilityNotification) error
// FindNewNotification retrieves a notification, which has never been
// notified or notified before a certain time.
FindNewNotification(notifiedBefore time.Time) (hook NotificationHook, found bool, err error)
// FindVulnerabilityNotification retrieves a vulnerability notification with
// affected ancestries affected by old or new vulnerability.
//
// It has has to create a Notification that will contain the old and the
// updated Vulnerability.
InsertVulnerabilityFixes(vulnerabilityNamespace, vulnerabilityName string, fixes []FeatureVersion) error
// DeleteVulnerabilityFix removes a FixedIn Feature from the specified
// Vulnerability in the database. It can be used to store the fact that a
// Vulnerability no longer affects the given Feature in any Version.
// Because the number of affected ancestries maybe large, they are paginated
// and their pages are specified by the given encrypted PageNumbers, which,
// if empty, are always considered first page.
//
// It has has to create a Notification that will contain the old and the
// updated Vulnerability.
DeleteVulnerabilityFix(vulnerabilityNamespace, vulnerabilityName, featureName string) error
// Session interface implementation should have encrypt and decrypt
// functions for PageNumber.
FindVulnerabilityNotification(name string, limit int,
oldVulnerabilityPage PageNumber,
newVulnerabilityPage PageNumber) (
noti VulnerabilityNotificationWithVulnerable,
found bool, err error)
// GetAvailableNotification returns the Name, Created, Notified and Deleted
// fields of a Notification that should be handled.
//
// The renotify interval defines how much time after being marked as Notified
// by SetNotificationNotified, a Notification that hasn't been deleted should
// be returned again by this function.
// A Notification for which there is a valid Lock with the same Name should
// not be returned.
GetAvailableNotification(renotifyInterval time.Duration) (VulnerabilityNotification, error)
// MarkNotificationNotified marks a Notification as notified now, assuming
// the requested notification is in the database.
MarkNotificationNotified(name string) error
// GetNotification returns a Notification, including its OldVulnerability and
// NewVulnerability fields.
//
// On these Vulnerabilities, LayersIntroducingVulnerability should be filled
// with every Layer that introduces the Vulnerability (i.e. adds at least one
// affected FeatureVersion).
// The Limit and page parameters are used to paginate
// LayersIntroducingVulnerability. The first given page should be
// VulnerabilityNotificationFirstPage. The function will then return the next
// available page. If there is no more page, NoVulnerabilityNotificationPage
// has to be returned.
GetNotification(name string, limit int, page VulnerabilityNotificationPageNumber) (VulnerabilityNotification, VulnerabilityNotificationPageNumber, error)
// SetNotificationNotified marks a Notification as notified and thus, makes
// it unavailable for GetAvailableNotification, until the renotify duration
// is elapsed.
SetNotificationNotified(name string) error
// DeleteNotification marks a Notification as deleted, and thus, makes it
// unavailable for GetAvailableNotification.
// DeleteNotification removes a Notification in the database.
DeleteNotification(name string) error
// InsertKeyValue stores or updates a simple key/value pair in the database.
InsertKeyValue(key, value string) error
// UpdateKeyValue stores or updates a simple key/value pair.
UpdateKeyValue(key, value string) error
// GetKeyValue retrieves a value from the database from the given key.
//
// It returns an empty string if there is no such key.
GetKeyValue(key string) (string, error)
// FindKeyValue retrieves a value from the given key.
FindKeyValue(key string) (value string, found bool, err error)
// Lock creates or renew a Lock in the database with the given name, owner
// and duration.
@ -204,14 +201,20 @@ type Datastore interface {
// Lock should not block, it should instead returns whether the Lock has been
// successfully acquired/renewed. If it's the case, the expiration time of
// that Lock is returned as well.
Lock(name string, owner string, duration time.Duration, renew bool) (bool, time.Time)
Lock(name string, owner string, duration time.Duration, renew bool) (success bool, expiration time.Time, err error)
// Unlock releases an existing Lock.
Unlock(name, owner string)
Unlock(name, owner string) error
// FindLock returns the owner of a Lock specified by the name, and its
// expiration time if it exists.
FindLock(name string) (string, time.Time, error)
FindLock(name string) (owner string, expiration time.Time, found bool, err error)
}
// Datastore represents a persistent data store
type Datastore interface {
// Begin starts a session to change.
Begin() (Session, error)
// Ping returns the health status of the database.
Ping() bool

375
database/mock.go
View File

@ -16,161 +16,240 @@ package database
import "time"
// MockSession implements Session and enables overriding each available method.
// The default behavior of each method is to simply panic.
type MockSession struct {
FctCommit func() error
FctRollback func() error
FctUpsertAncestry func(Ancestry, []NamespacedFeature, Processors) error
FctFindAncestry func(name string) (Ancestry, Processors, bool, error)
FctFindAncestryFeatures func(name string) (AncestryWithFeatures, bool, error)
FctFindAffectedNamespacedFeatures func(features []NamespacedFeature) ([]NullableAffectedNamespacedFeature, error)
FctPersistNamespaces func([]Namespace) error
FctPersistFeatures func([]Feature) error
FctPersistNamespacedFeatures func([]NamespacedFeature) error
FctCacheAffectedNamespacedFeatures func([]NamespacedFeature) error
FctPersistLayer func(Layer) error
FctPersistLayerContent func(hash string, namespaces []Namespace, features []Feature, processedBy Processors) error
FctFindLayer func(name string) (Layer, Processors, bool, error)
FctFindLayerWithContent func(name string) (LayerWithContent, bool, error)
FctInsertVulnerabilities func([]VulnerabilityWithAffected) error
FctFindVulnerabilities func([]VulnerabilityID) ([]NullableVulnerability, error)
FctDeleteVulnerabilities func([]VulnerabilityID) error
FctInsertVulnerabilityNotifications func([]VulnerabilityNotification) error
FctFindNewNotification func(lastNotified time.Time) (NotificationHook, bool, error)
FctFindVulnerabilityNotification func(name string, limit int, oldPage PageNumber, newPage PageNumber) (
vuln VulnerabilityNotificationWithVulnerable, ok bool, err error)
FctMarkNotificationNotified func(name string) error
FctDeleteNotification func(name string) error
FctUpdateKeyValue func(key, value string) error
FctFindKeyValue func(key string) (string, bool, error)
FctLock func(name string, owner string, duration time.Duration, renew bool) (bool, time.Time, error)
FctUnlock func(name, owner string) error
FctFindLock func(name string) (string, time.Time, bool, error)
}
func (ms *MockSession) Commit() error {
if ms.FctCommit != nil {
return ms.FctCommit()
}
panic("required mock function not implemented")
}
func (ms *MockSession) Rollback() error {
if ms.FctRollback != nil {
return ms.FctRollback()
}
panic("required mock function not implemented")
}
func (ms *MockSession) UpsertAncestry(ancestry Ancestry, features []NamespacedFeature, processedBy Processors) error {
if ms.FctUpsertAncestry != nil {
return ms.FctUpsertAncestry(ancestry, features, processedBy)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindAncestry(name string) (Ancestry, Processors, bool, error) {
if ms.FctFindAncestry != nil {
return ms.FctFindAncestry(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindAncestryFeatures(name string) (AncestryWithFeatures, bool, error) {
if ms.FctFindAncestryFeatures != nil {
return ms.FctFindAncestryFeatures(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindAffectedNamespacedFeatures(features []NamespacedFeature) ([]NullableAffectedNamespacedFeature, error) {
if ms.FctFindAffectedNamespacedFeatures != nil {
return ms.FctFindAffectedNamespacedFeatures(features)
}
panic("required mock function not implemented")
}
func (ms *MockSession) PersistNamespaces(namespaces []Namespace) error {
if ms.FctPersistNamespaces != nil {
return ms.FctPersistNamespaces(namespaces)
}
panic("required mock function not implemented")
}
func (ms *MockSession) PersistFeatures(features []Feature) error {
if ms.FctPersistFeatures != nil {
return ms.FctPersistFeatures(features)
}
panic("required mock function not implemented")
}
func (ms *MockSession) PersistNamespacedFeatures(namespacedFeatures []NamespacedFeature) error {
if ms.FctPersistNamespacedFeatures != nil {
return ms.FctPersistNamespacedFeatures(namespacedFeatures)
}
panic("required mock function not implemented")
}
func (ms *MockSession) CacheAffectedNamespacedFeatures(namespacedFeatures []NamespacedFeature) error {
if ms.FctCacheAffectedNamespacedFeatures != nil {
return ms.FctCacheAffectedNamespacedFeatures(namespacedFeatures)
}
panic("required mock function not implemented")
}
func (ms *MockSession) PersistLayer(layer Layer) error {
if ms.FctPersistLayer != nil {
return ms.FctPersistLayer(layer)
}
panic("required mock function not implemented")
}
func (ms *MockSession) PersistLayerContent(hash string, namespaces []Namespace, features []Feature, processedBy Processors) error {
if ms.FctPersistLayerContent != nil {
return ms.FctPersistLayerContent(hash, namespaces, features, processedBy)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindLayer(name string) (Layer, Processors, bool, error) {
if ms.FctFindLayer != nil {
return ms.FctFindLayer(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindLayerWithContent(name string) (LayerWithContent, bool, error) {
if ms.FctFindLayerWithContent != nil {
return ms.FctFindLayerWithContent(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) InsertVulnerabilities(vulnerabilities []VulnerabilityWithAffected) error {
if ms.FctInsertVulnerabilities != nil {
return ms.FctInsertVulnerabilities(vulnerabilities)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindVulnerabilities(vulnerabilityIDs []VulnerabilityID) ([]NullableVulnerability, error) {
if ms.FctFindVulnerabilities != nil {
return ms.FctFindVulnerabilities(vulnerabilityIDs)
}
panic("required mock function not implemented")
}
func (ms *MockSession) DeleteVulnerabilities(VulnerabilityIDs []VulnerabilityID) error {
if ms.FctDeleteVulnerabilities != nil {
return ms.FctDeleteVulnerabilities(VulnerabilityIDs)
}
panic("required mock function not implemented")
}
func (ms *MockSession) InsertVulnerabilityNotifications(vulnerabilityNotifications []VulnerabilityNotification) error {
if ms.FctInsertVulnerabilityNotifications != nil {
return ms.FctInsertVulnerabilityNotifications(vulnerabilityNotifications)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindNewNotification(lastNotified time.Time) (NotificationHook, bool, error) {
if ms.FctFindNewNotification != nil {
return ms.FctFindNewNotification(lastNotified)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindVulnerabilityNotification(name string, limit int, oldPage PageNumber, newPage PageNumber) (
VulnerabilityNotificationWithVulnerable, bool, error) {
if ms.FctFindVulnerabilityNotification != nil {
return ms.FctFindVulnerabilityNotification(name, limit, oldPage, newPage)
}
panic("required mock function not implemented")
}
func (ms *MockSession) MarkNotificationNotified(name string) error {
if ms.FctMarkNotificationNotified != nil {
return ms.FctMarkNotificationNotified(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) DeleteNotification(name string) error {
if ms.FctDeleteNotification != nil {
return ms.FctDeleteNotification(name)
}
panic("required mock function not implemented")
}
func (ms *MockSession) UpdateKeyValue(key, value string) error {
if ms.FctUpdateKeyValue != nil {
return ms.FctUpdateKeyValue(key, value)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindKeyValue(key string) (string, bool, error) {
if ms.FctFindKeyValue != nil {
return ms.FctFindKeyValue(key)
}
panic("required mock function not implemented")
}
func (ms *MockSession) Lock(name string, owner string, duration time.Duration, renew bool) (bool, time.Time, error) {
if ms.FctLock != nil {
return ms.FctLock(name, owner, duration, renew)
}
panic("required mock function not implemented")
}
func (ms *MockSession) Unlock(name, owner string) error {
if ms.FctUnlock != nil {
return ms.FctUnlock(name, owner)
}
panic("required mock function not implemented")
}
func (ms *MockSession) FindLock(name string) (string, time.Time, bool, error) {
if ms.FctFindLock != nil {
return ms.FctFindLock(name)
}
panic("required mock function not implemented")
}
// MockDatastore implements Datastore and enables overriding each available method.
// The default behavior of each method is to simply panic.
type MockDatastore struct {
FctListNamespaces func() ([]Namespace, error)
FctInsertLayer func(Layer) error
FctFindLayer func(name string, withFeatures, withVulnerabilities bool) (Layer, error)
FctDeleteLayer func(name string) error
FctListVulnerabilities func(namespaceName string, limit int, page int) ([]Vulnerability, int, error)
FctInsertVulnerabilities func(vulnerabilities []Vulnerability, createNotification bool) error
FctFindVulnerability func(namespaceName, name string) (Vulnerability, error)
FctDeleteVulnerability func(namespaceName, name string) error
FctInsertVulnerabilityFixes func(vulnerabilityNamespace, vulnerabilityName string, fixes []FeatureVersion) error
FctDeleteVulnerabilityFix func(vulnerabilityNamespace, vulnerabilityName, featureName string) error
FctGetAvailableNotification func(renotifyInterval time.Duration) (VulnerabilityNotification, error)
FctGetNotification func(name string, limit int, page VulnerabilityNotificationPageNumber) (VulnerabilityNotification, VulnerabilityNotificationPageNumber, error)
FctSetNotificationNotified func(name string) error
FctDeleteNotification func(name string) error
FctInsertKeyValue func(key, value string) error
FctGetKeyValue func(key string) (string, error)
FctLock func(name string, owner string, duration time.Duration, renew bool) (bool, time.Time)
FctUnlock func(name, owner string)
FctFindLock func(name string) (string, time.Time, error)
FctBegin func() (Session, error)
FctPing func() bool
FctClose func()
}
func (mds *MockDatastore) ListNamespaces() ([]Namespace, error) {
if mds.FctListNamespaces != nil {
return mds.FctListNamespaces()
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) InsertLayer(layer Layer) error {
if mds.FctInsertLayer != nil {
return mds.FctInsertLayer(layer)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) FindLayer(name string, withFeatures, withVulnerabilities bool) (Layer, error) {
if mds.FctFindLayer != nil {
return mds.FctFindLayer(name, withFeatures, withVulnerabilities)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) DeleteLayer(name string) error {
if mds.FctDeleteLayer != nil {
return mds.FctDeleteLayer(name)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) ListVulnerabilities(namespaceName string, limit int, page int) ([]Vulnerability, int, error) {
if mds.FctListVulnerabilities != nil {
return mds.FctListVulnerabilities(namespaceName, limit, page)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) InsertVulnerabilities(vulnerabilities []Vulnerability, createNotification bool) error {
if mds.FctInsertVulnerabilities != nil {
return mds.FctInsertVulnerabilities(vulnerabilities, createNotification)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) FindVulnerability(namespaceName, name string) (Vulnerability, error) {
if mds.FctFindVulnerability != nil {
return mds.FctFindVulnerability(namespaceName, name)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) DeleteVulnerability(namespaceName, name string) error {
if mds.FctDeleteVulnerability != nil {
return mds.FctDeleteVulnerability(namespaceName, name)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) InsertVulnerabilityFixes(vulnerabilityNamespace, vulnerabilityName string, fixes []FeatureVersion) error {
if mds.FctInsertVulnerabilityFixes != nil {
return mds.FctInsertVulnerabilityFixes(vulnerabilityNamespace, vulnerabilityName, fixes)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) DeleteVulnerabilityFix(vulnerabilityNamespace, vulnerabilityName, featureName string) error {
if mds.FctDeleteVulnerabilityFix != nil {
return mds.FctDeleteVulnerabilityFix(vulnerabilityNamespace, vulnerabilityName, featureName)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) GetAvailableNotification(renotifyInterval time.Duration) (VulnerabilityNotification, error) {
if mds.FctGetAvailableNotification != nil {
return mds.FctGetAvailableNotification(renotifyInterval)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) GetNotification(name string, limit int, page VulnerabilityNotificationPageNumber) (VulnerabilityNotification, VulnerabilityNotificationPageNumber, error) {
if mds.FctGetNotification != nil {
return mds.FctGetNotification(name, limit, page)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) SetNotificationNotified(name string) error {
if mds.FctSetNotificationNotified != nil {
return mds.FctSetNotificationNotified(name)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) DeleteNotification(name string) error {
if mds.FctDeleteNotification != nil {
return mds.FctDeleteNotification(name)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) InsertKeyValue(key, value string) error {
if mds.FctInsertKeyValue != nil {
return mds.FctInsertKeyValue(key, value)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) GetKeyValue(key string) (string, error) {
if mds.FctGetKeyValue != nil {
return mds.FctGetKeyValue(key)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) Lock(name string, owner string, duration time.Duration, renew bool) (bool, time.Time) {
if mds.FctLock != nil {
return mds.FctLock(name, owner, duration, renew)
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) Unlock(name, owner string) {
if mds.FctUnlock != nil {
mds.FctUnlock(name, owner)
return
}
panic("required mock function not implemented")
}
func (mds *MockDatastore) FindLock(name string) (string, time.Time, error) {
if mds.FctFindLock != nil {
return mds.FctFindLock(name)
func (mds *MockDatastore) Begin() (Session, error) {
if mds.FctBegin != nil {
return mds.FctBegin()
}
panic("required mock function not implemented")
}

218
database/models.go
View File

@ -20,49 +20,115 @@ import (
"time"
)
// ID is only meant to be used by database implementations and should never be used for anything else.
type Model struct {
ID int
// Processors are extentions to scan layer's content.
type Processors struct {
Listers []string
Detectors []string
}
type Layer struct {
Model
// Ancestry is a manifest that keeps all layers in an image in order.
type Ancestry struct {
Name string
EngineVersion int
Parent *Layer
Namespaces []Namespace
Features []FeatureVersion
// Layers should be ordered and i_th layer is the parent of i+1_th layer in
// the slice.
Layers []Layer
}
type Namespace struct {
Model
// AncestryWithFeatures is an ancestry with namespaced features detected in the
// ancestry, which is processed by `ProcessedBy`.
type AncestryWithFeatures struct {
Ancestry
ProcessedBy Processors
Features []NamespacedFeature
}
// Layer corresponds to a layer in an image processed by `ProcessedBy`.
type Layer struct {
// Hash is content hash of the layer.
Hash string
}
// LayerWithContent is a layer with its detected namespaces and features by
// ProcessedBy.
type LayerWithContent struct {
Layer
ProcessedBy Processors
Namespaces []Namespace
Features []Feature
}
// Namespace is the contextual information around features.
//
// e.g. Debian:7, NodeJS.
type Namespace struct {
Name string
VersionFormat string
}
// Feature represents a package detected in a layer but the namespace is not
// determined.
//
// e.g. Name: OpenSSL, Version: 1.0, VersionFormat: dpkg.
// dpkg implies the installer package manager but the namespace (might be
// debian:7, debian:8, ...) could not be determined.
type Feature struct {
Model
Name string
Version string
VersionFormat string
}
// NamespacedFeature is a feature with determined namespace and can be affected
// by vulnerabilities.
//
// e.g. OpenSSL 1.0 dpkg Debian:7.
type NamespacedFeature struct {
Feature
Namespace Namespace
}
type FeatureVersion struct {
Model
// AffectedNamespacedFeature is a namespaced feature affected by the
// vulnerabilities with fixed-in versions for this feature.
type AffectedNamespacedFeature struct {
NamespacedFeature
Feature Feature
Version string
AffectedBy []Vulnerability
// For output purposes. Only make sense when the feature version is in the context of an image.
AddedBy Layer
AffectedBy []VulnerabilityWithFixedIn
}
type Vulnerability struct {
Model
// VulnerabilityWithFixedIn is used for AffectedNamespacedFeature to retrieve
// the affecting vulnerabilities and the fixed-in versions for the feature.
type VulnerabilityWithFixedIn struct {
Vulnerability
FixedInVersion string
}
// AffectedFeature is used to determine whether a namespaced feature is affected
// by a Vulnerability. Namespace and Feature Name is unique. Affected Feature is
// bound to vulnerability.
type AffectedFeature struct {
Namespace Namespace
FeatureName string
// FixedInVersion is known next feature version that's not affected by the
// vulnerability. Empty FixedInVersion means the unaffected version is
// unknown.
FixedInVersion string
// AffectedVersion contains the version range to determine whether or not a
// feature is affected.
AffectedVersion string
}
// VulnerabilityID is an identifier for every vulnerability. Every vulnerability
// has unique namespace and name.
type VulnerabilityID struct {
Name string
Namespace string
}
// Vulnerability represents CVE or similar vulnerability reports.
type Vulnerability struct {
Name string
Namespace Namespace
@ -71,17 +137,85 @@ type Vulnerability struct {
Severity Severity
Metadata MetadataMap
FixedIn []FeatureVersion
LayersIntroducingVulnerability []Layer
// For output purposes. Only make sense when the vulnerability
// is already about a specific Feature/FeatureVersion.
FixedBy string `json:",omitempty"`
}
// VulnerabilityWithAffected is an vulnerability with all known affected
// features.
type VulnerabilityWithAffected struct {
Vulnerability
Affected []AffectedFeature
}
// PagedVulnerableAncestries is a vulnerability with a page of affected
// ancestries each with a special index attached for streaming purpose. The
// current page number and next page number are for navigate.
type PagedVulnerableAncestries struct {
Vulnerability
// Affected is a map of special indexes to Ancestries, which the pair
// should be unique in a stream. Every indexes in the map should be larger
// than previous page.
Affected map[int]string
Limit int
Current PageNumber
Next PageNumber
// End signals the end of the pages.
End bool
}
// NotificationHook is a message sent to another service to inform of a change
// to a Vulnerability or the Ancestries affected by a Vulnerability. It contains
// the name of a notification that should be read and marked as read via the
// API.
type NotificationHook struct {
Name string
Created time.Time
Notified time.Time
Deleted time.Time
}
// VulnerabilityNotification is a notification for vulnerability changes.
type VulnerabilityNotification struct {
NotificationHook
Old *Vulnerability
New *Vulnerability
}
// VulnerabilityNotificationWithVulnerable is a notification for vulnerability
// changes with vulnerable ancestries.
type VulnerabilityNotificationWithVulnerable struct {
NotificationHook
Old *PagedVulnerableAncestries
New *PagedVulnerableAncestries
}
// PageNumber is used to do pagination.
type PageNumber string
type MetadataMap map[string]interface{}
// NullableAffectedNamespacedFeature is an affectednamespacedfeature with
// whether it's found in datastore.
type NullableAffectedNamespacedFeature struct {
AffectedNamespacedFeature
Valid bool
}
// NullableVulnerability is a vulnerability with whether the vulnerability is
// found in datastore.
type NullableVulnerability struct {
VulnerabilityWithAffected
Valid bool
}
func (mm *MetadataMap) Scan(value interface{}) error {
if value == nil {
return nil
@ -99,25 +233,3 @@ func (mm *MetadataMap) Value() (driver.Value, error) {
json, err := json.Marshal(*mm)
return string(json), err
}
type VulnerabilityNotification struct {
Model
Name string
Created time.Time
Notified time.Time
Deleted time.Time
OldVulnerability *Vulnerability
NewVulnerability *Vulnerability
}
type VulnerabilityNotificationPageNumber struct {
// -1 means that we reached the end already.
OldVulnerability int
NewVulnerability int
}
var VulnerabilityNotificationFirstPage = VulnerabilityNotificationPageNumber{0, 0}
var NoVulnerabilityNotificationPage = VulnerabilityNotificationPageNumber{-1, -1}

261
database/pgsql/ancestry.go Normal file
View File

@ -0,0 +1,261 @@
package pgsql
import (
"database/sql"
"errors"
"fmt"
"strings"
"github.com/lib/pq"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
)
func (tx *pgSession) UpsertAncestry(ancestry database.Ancestry, features []database.NamespacedFeature, processedBy database.Processors) error {
if ancestry.Name == "" {
log.Warning("Empty ancestry name is not allowed")
return commonerr.NewBadRequestError("could not insert an ancestry with empty name")
}
if len(ancestry.Layers) == 0 {
log.Warning("Empty ancestry is not allowed")
return commonerr.NewBadRequestError("could not insert an ancestry with 0 layers")
}
err := tx.deleteAncestry(ancestry.Name)
if err != nil {
return err
}
var ancestryID int64
err = tx.QueryRow(insertAncestry, ancestry.Name).Scan(&ancestryID)
if err != nil {
if isErrUniqueViolation(err) {
return handleError("insertAncestry", errors.New("Other Go-routine is processing this ancestry (skip)."))
}
return handleError("insertAncestry", err)
}
err = tx.insertAncestryLayers(ancestryID, ancestry.Layers)
if err != nil {
return err
}
err = tx.insertAncestryFeatures(ancestryID, features)
if err != nil {
return err
}
return tx.persistProcessors(persistAncestryLister,
"persistAncestryLister",
persistAncestryDetector,
"persistAncestryDetector",
ancestryID, processedBy)
}
func (tx *pgSession) FindAncestry(name string) (database.Ancestry, database.Processors, bool, error) {
ancestry := database.Ancestry{Name: name}
processed := database.Processors{}
var ancestryID int64
err := tx.QueryRow(searchAncestry, name).Scan(&ancestryID)
if err != nil {
if err == sql.ErrNoRows {
return ancestry, processed, false, nil
}
return ancestry, processed, false, handleError("searchAncestry", err)
}
ancestry.Layers, err = tx.findAncestryLayers(ancestryID)
if err != nil {
return ancestry, processed, false, err
}
processed.Detectors, err = tx.findProcessors(searchAncestryDetectors, "searchAncestryDetectors", "detector", ancestryID)
if err != nil {
return ancestry, processed, false, err
}
processed.Listers, err = tx.findProcessors(searchAncestryListers, "searchAncestryListers", "lister", ancestryID)
if err != nil {
return ancestry, processed, false, err
}
return ancestry, processed, true, nil
}
func (tx *pgSession) FindAncestryFeatures(name string) (database.AncestryWithFeatures, bool, error) {
var (
awf database.AncestryWithFeatures
ok bool
err error
)
awf.Ancestry, awf.ProcessedBy, ok, err = tx.FindAncestry(name)
if err != nil {
return awf, false, err
}
if !ok {
return awf, false, nil
}
rows, err := tx.Query(searchAncestryFeatures, name)
if err != nil {
return awf, false, handleError("searchAncestryFeatures", err)
}
for rows.Next() {
nf := database.NamespacedFeature{}
err := rows.Scan(&nf.Namespace.Name, &nf.Namespace.VersionFormat, &nf.Feature.Name, &nf.Feature.Version)
if err != nil {
return awf, false, handleError("searchAncestryFeatures", err)
}
nf.Feature.VersionFormat = nf.Namespace.VersionFormat
awf.Features = append(awf.Features, nf)
}
return awf, true, nil
}
func (tx *pgSession) deleteAncestry(name string) error {
result, err := tx.Exec(removeAncestry, name)
if err != nil {
return handleError("removeAncestry", err)
}
_, err = result.RowsAffected()
if err != nil {
return handleError("removeAncestry", err)
}
return nil
}
func (tx *pgSession) findProcessors(query, queryName, processorType string, id int64) ([]string, error) {
rows, err := tx.Query(query, id)
if err != nil {
if err == sql.ErrNoRows {
log.Warning("No " + processorType + " are used")
return nil, nil
}
return nil, handleError(queryName, err)
}
var (
processors []string
processor string
)
for rows.Next() {
err := rows.Scan(&processor)
if err != nil {
return nil, handleError(queryName, err)
}
processors = append(processors, processor)
}
return processors, nil
}
func (tx *pgSession) findAncestryLayers(ancestryID int64) ([]database.Layer, error) {
rows, err := tx.Query(searchAncestryLayer, ancestryID)
if err != nil {
return nil, handleError("searchAncestryLayer", err)
}
layers := []database.Layer{}
for rows.Next() {
var layer database.Layer
err := rows.Scan(&layer.Hash)
if err != nil {
return nil, handleError("searchAncestryLayer", err)
}
layers = append(layers, layer)
}
return layers, nil
}
func (tx *pgSession) insertAncestryLayers(ancestryID int64, layers []database.Layer) error {
layerIDs := map[string]sql.NullInt64{}
for _, l := range layers {
layerIDs[l.Hash] = sql.NullInt64{}
}
layerHashes := []string{}
for hash := range layerIDs {
layerHashes = append(layerHashes, hash)
}
rows, err := tx.Query(searchLayerIDs, pq.Array(layerHashes))
if err != nil {
return handleError("searchLayerIDs", err)
}
for rows.Next() {
var (
layerID sql.NullInt64
layerName string
)
err := rows.Scan(&layerID, &layerName)
if err != nil {
return handleError("searchLayerIDs", err)
}
layerIDs[layerName] = layerID
}
notFound := []string{}
for hash, id := range layerIDs {
if !id.Valid {
notFound = append(notFound, hash)
}
}
if len(notFound) > 0 {
return handleError("searchLayerIDs", fmt.Errorf("Layer %s is not found in database", strings.Join(notFound, ",")))
}
//TODO(Sida): use bulk insert.
stmt, err := tx.Prepare(insertAncestryLayer)
if err != nil {
return handleError("insertAncestryLayer", err)
}
defer stmt.Close()
for index, layer := range layers {
_, err := stmt.Exec(ancestryID, index, layerIDs[layer.Hash].Int64)
if err != nil {
return handleError("insertAncestryLayer", commonerr.CombineErrors(err, stmt.Close()))
}
}
return nil
}
func (tx *pgSession) insertAncestryFeatures(ancestryID int64, features []database.NamespacedFeature) error {
featureIDs, err := tx.findNamespacedFeatureIDs(features)
if err != nil {
return err
}
//TODO(Sida): use bulk insert.
stmtFeatures, err := tx.Prepare(insertAncestryFeature)
if err != nil {
return handleError("insertAncestryFeature", err)
}
defer stmtFeatures.Close()
for _, id := range featureIDs {
if !id.Valid {
return errors.New("requested namespaced feature is not in database")
}
_, err := stmtFeatures.Exec(ancestryID, id)
if err != nil {
return handleError("insertAncestryFeature", err)
}
}
return nil
}

207
database/pgsql/ancestry_test.go Normal file
View File

@ -0,0 +1,207 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pgsql
import (
"sort"
"testing"
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
)
func TestUpsertAncestry(t *testing.T) {
store, tx := openSessionForTest(t, "UpsertAncestry", true)
defer closeTest(t, store, tx)
a1 := database.Ancestry{
Name: "a1",
Layers: []database.Layer{
{Hash: "layer-N"},
},
}
a2 := database.Ancestry{}
a3 := database.Ancestry{
Name: "a",
Layers: []database.Layer{
{Hash: "layer-0"},
},
}
a4 := database.Ancestry{
Name: "a",
Layers: []database.Layer{
{Hash: "layer-1"},
},
}
f1 := database.Feature{
Name: "wechat",
Version: "0.5",
VersionFormat: "dpkg",
}
// not in database
f2 := database.Feature{
Name: "wechat",
Version: "0.6",
VersionFormat: "dpkg",
}
n1 := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
p := database.Processors{
Listers: []string{"dpkg", "non-existing"},
Detectors: []string{"os-release", "non-existing"},
}
nsf1 := database.NamespacedFeature{
Namespace: n1,
Feature: f1,
}
// not in database
nsf2 := database.NamespacedFeature{
Namespace: n1,
Feature: f2,
}
// invalid case
assert.NotNil(t, tx.UpsertAncestry(a1, nil, database.Processors{}))
assert.NotNil(t, tx.UpsertAncestry(a2, nil, database.Processors{}))
// valid case
assert.Nil(t, tx.UpsertAncestry(a3, nil, database.Processors{}))
// replace invalid case
assert.NotNil(t, tx.UpsertAncestry(a4, []database.NamespacedFeature{nsf1, nsf2}, p))
// replace valid case
assert.Nil(t, tx.UpsertAncestry(a4, []database.NamespacedFeature{nsf1}, p))
// validate
ancestry, ok, err := tx.FindAncestryFeatures("a")
assert.Nil(t, err)
assert.True(t, ok)
assert.Equal(t, a4, ancestry.Ancestry)
}
func assertProcessorsEqual(t *testing.T, expected database.Processors, actual database.Processors) bool {
sort.Strings(expected.Detectors)
sort.Strings(actual.Detectors)
sort.Strings(expected.Listers)
sort.Strings(actual.Listers)
return assert.Equal(t, expected.Detectors, actual.Detectors) && assert.Equal(t, expected.Listers, actual.Listers)
}
func TestFindAncestry(t *testing.T) {
store, tx := openSessionForTest(t, "FindAncestry", true)
defer closeTest(t, store, tx)
// not found
_, _, ok, err := tx.FindAncestry("ancestry-non")
assert.Nil(t, err)
assert.False(t, ok)
expected := database.Ancestry{
Name: "ancestry-1",
Layers: []database.Layer{
{Hash: "layer-0"},
{Hash: "layer-1"},
{Hash: "layer-2"},
{Hash: "layer-3a"},
},
}
expectedProcessors := database.Processors{
Detectors: []string{"os-release"},
Listers: []string{"dpkg"},
}
// found
a, p, ok2, err := tx.FindAncestry("ancestry-1")
if assert.Nil(t, err) && assert.True(t, ok2) {
assertAncestryEqual(t, expected, a)
assertProcessorsEqual(t, expectedProcessors, p)
}
}
func assertAncestryWithFeatureEqual(t *testing.T, expected database.AncestryWithFeatures, actual database.AncestryWithFeatures) bool {
return assertAncestryEqual(t, expected.Ancestry, actual.Ancestry) &&
assertNamespacedFeatureEqual(t, expected.Features, actual.Features) &&
assertProcessorsEqual(t, expected.ProcessedBy, actual.ProcessedBy)
}
func assertAncestryEqual(t *testing.T, expected database.Ancestry, actual database.Ancestry) bool {
return assert.Equal(t, expected.Name, actual.Name) && assert.Equal(t, expected.Layers, actual.Layers)
}
func TestFindAncestryFeatures(t *testing.T) {
store, tx := openSessionForTest(t, "FindAncestryFeatures", true)
defer closeTest(t, store, tx)
// invalid
_, ok, err := tx.FindAncestryFeatures("ancestry-non")
if assert.Nil(t, err) {
assert.False(t, ok)
}
expected := database.AncestryWithFeatures{
Ancestry: database.Ancestry{
Name: "ancestry-2",
Layers: []database.Layer{
{Hash: "layer-0"},
{Hash: "layer-1"},
{Hash: "layer-2"},
{Hash: "layer-3b"},
},
},
ProcessedBy: database.Processors{
Detectors: []string{"os-release"},
Listers: []string{"dpkg"},
},
Features: []database.NamespacedFeature{
{
Namespace: database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
},
Feature: database.Feature{
Name: "wechat",
Version: "0.5",
VersionFormat: "dpkg",
},
},
{
Namespace: database.Namespace{
Name: "debian:8",
VersionFormat: "dpkg",
},
Feature: database.Feature{
Name: "openssl",
Version: "1.0",
VersionFormat: "dpkg",
},
},
},
}
// valid
ancestry, ok, err := tx.FindAncestryFeatures("ancestry-2")
if assert.Nil(t, err) && assert.True(t, ok) {
assertAncestryEqual(t, expected.Ancestry, ancestry.Ancestry)
assertNamespacedFeatureEqual(t, expected.Features, ancestry.Features)
assertProcessorsEqual(t, expected.ProcessedBy, ancestry.ProcessedBy)
}
}

219
database/pgsql/complex_test.go
View File

@ -27,135 +27,200 @@ import (
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/strutil"
)
const (
numVulnerabilities = 100
numFeatureVersions = 100
numFeatures = 100
)
func TestRaceAffects(t *testing.T) {
datastore, err := openDatabaseForTest("RaceAffects", false)
if err != nil {
t.Error(err)
return
func testGenRandomVulnerabilityAndNamespacedFeature(t *testing.T, store database.Datastore) ([]database.NamespacedFeature, []database.VulnerabilityWithAffected) {
tx, err := store.Begin()
if !assert.Nil(t, err) {
t.FailNow()
}
defer datastore.Close()
// Insert the Feature on which we'll work.
feature := database.Feature{
Namespace: database.Namespace{
featureName := "TestFeature"
featureVersionFormat := dpkg.ParserName
// Insert the namespace on which we'll work.
namespace := database.Namespace{
Name: "TestRaceAffectsFeatureNamespace1",
VersionFormat: dpkg.ParserName,
},
Name: "TestRaceAffecturesFeature1",
}
_, err = datastore.insertFeature(feature)
if err != nil {
t.Error(err)
return
if !assert.Nil(t, tx.PersistNamespaces([]database.Namespace{namespace})) {
t.FailNow()
}
// Initialize random generator and enforce max procs.
rand.Seed(time.Now().UnixNano())
runtime.GOMAXPROCS(runtime.NumCPU())
// Generate FeatureVersions.
featureVersions := make([]database.FeatureVersion, numFeatureVersions)
for i := 0; i < numFeatureVersions; i++ {
version := rand.Intn(numFeatureVersions)
// Generate Distinct random features
features := make([]database.Feature, numFeatures)
nsFeatures := make([]database.NamespacedFeature, numFeatures)
for i := 0; i < numFeatures; i++ {
version := rand.Intn(numFeatures)
featureVersions[i] = database.FeatureVersion{
Feature: feature,
features[i] = database.Feature{
Name: featureName,
VersionFormat: featureVersionFormat,
Version: strconv.Itoa(version),
}
nsFeatures[i] = database.NamespacedFeature{
Namespace: namespace,
Feature: features[i],
}
}
// insert features
if !assert.Nil(t, tx.PersistFeatures(features)) {
t.FailNow()
}
// Generate vulnerabilities.
// They are mapped by fixed version, which will make verification really easy afterwards.
vulnerabilities := make(map[int][]database.Vulnerability)
vulnerabilities := []database.VulnerabilityWithAffected{}
for i := 0; i < numVulnerabilities; i++ {
version := rand.Intn(numFeatureVersions) + 1
// any version less than this is vulnerable
version := rand.Intn(numFeatures) + 1
// if _, ok := vulnerabilities[version]; !ok {
// vulnerabilities[version] = make([]database.Vulnerability)
// }
vulnerability := database.Vulnerability{
vulnerability := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: uuid.New(),
Namespace: feature.Namespace,
FixedIn: []database.FeatureVersion{
{
Feature: feature,
Version: strconv.Itoa(version),
},
},
Namespace: namespace,
Severity: database.UnknownSeverity,
},
Affected: []database.AffectedFeature{
{
Namespace: namespace,
FeatureName: featureName,
AffectedVersion: strconv.Itoa(version),
FixedInVersion: strconv.Itoa(version),
},
},
}
vulnerabilities[version] = append(vulnerabilities[version], vulnerability)
vulnerabilities = append(vulnerabilities, vulnerability)
}
tx.Commit()
// Insert featureversions and vulnerabilities in parallel.
return nsFeatures, vulnerabilities
}
func TestConcurrency(t *testing.T) {
store, err := openDatabaseForTest("Concurrency", false)
if !assert.Nil(t, err) {
t.FailNow()
}
defer store.Close()
start := time.Now()
var wg sync.WaitGroup
wg.Add(2)
wg.Add(100)
for i := 0; i < 100; i++ {
go func() {
defer wg.Done()
for _, vulnerabilitiesM := range vulnerabilities {
for _, vulnerability := range vulnerabilitiesM {
err = datastore.InsertVulnerabilities([]database.Vulnerability{vulnerability}, true)
assert.Nil(t, err)
nsNamespaces := genRandomNamespaces(t, 100)
tx, err := store.Begin()
if !assert.Nil(t, err) {
t.FailNow()
}
assert.Nil(t, tx.PersistNamespaces(nsNamespaces))
tx.Commit()
}()
}
wg.Wait()
fmt.Println("total", time.Since(start))
}
func genRandomNamespaces(t *testing.T, count int) []database.Namespace {
r := make([]database.Namespace, count)
for i := 0; i < count; i++ {
r[i] = database.Namespace{
Name: uuid.New(),
VersionFormat: "dpkg",
}
}
fmt.Println("finished to insert vulnerabilities")
return r
}
func TestCaching(t *testing.T) {
store, err := openDatabaseForTest("Caching", false)
if !assert.Nil(t, err) {
t.FailNow()
}
defer store.Close()
nsFeatures, vulnerabilities := testGenRandomVulnerabilityAndNamespacedFeature(t, store)
fmt.Printf("%d features, %d vulnerabilities are generated", len(nsFeatures), len(vulnerabilities))
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
tx, err := store.Begin()
if !assert.Nil(t, err) {
t.FailNow()
}
assert.Nil(t, tx.PersistNamespacedFeatures(nsFeatures))
fmt.Println("finished to insert namespaced features")
tx.Commit()
}()
go func() {
defer wg.Done()
for i := 0; i < len(featureVersions); i++ {
featureVersions[i].ID, err = datastore.insertFeatureVersion(featureVersions[i])
assert.Nil(t, err)
tx, err := store.Begin()
if !assert.Nil(t, err) {
t.FailNow()
}
fmt.Println("finished to insert featureVersions")
assert.Nil(t, tx.InsertVulnerabilities(vulnerabilities))
fmt.Println("finished to insert vulnerabilities")
tx.Commit()
}()
wg.Wait()
// Verify consistency now.
var actualAffectedNames []string
var expectedAffectedNames []string
for _, featureVersion := range featureVersions {
featureVersionVersion, _ := strconv.Atoi(featureVersion.Version)
// Get actual affects.
rows, err := datastore.Query(searchComplexTestFeatureVersionAffects,
featureVersion.ID)
assert.Nil(t, err)
defer rows.Close()
var vulnName string
for rows.Next() {
err = rows.Scan(&vulnName)
tx, err := store.Begin()
if !assert.Nil(t, err) {
continue
t.FailNow()
}
actualAffectedNames = append(actualAffectedNames, vulnName)
}
if assert.Nil(t, rows.Err()) {
rows.Close()
defer tx.Rollback()
// Verify consistency now.
affected, err := tx.FindAffectedNamespacedFeatures(nsFeatures)
if !assert.Nil(t, err) {
t.FailNow()
}
// Get expected affects.
for i := numVulnerabilities; i > featureVersionVersion; i-- {
for _, vulnerability := range vulnerabilities[i] {
expectedAffectedNames = append(expectedAffectedNames, vulnerability.Name)
for _, ansf := range affected {
if !assert.True(t, ansf.Valid) {
t.FailNow()
}
expectedAffectedNames := []string{}
for _, vuln := range vulnerabilities {
if ok, err := versionfmt.InRange(dpkg.ParserName, ansf.Version, vuln.Affected[0].AffectedVersion); err == nil {
if ok {
expectedAffectedNames = append(expectedAffectedNames, vuln.Name)
}
}
}
assert.Len(t, compareStringLists(expectedAffectedNames, actualAffectedNames), 0)
assert.Len(t, compareStringLists(actualAffectedNames, expectedAffectedNames), 0)
actualAffectedNames := []string{}
for _, s := range ansf.AffectedBy {
actualAffectedNames = append(actualAffectedNames, s.Name)
}
assert.Len(t, strutil.CompareStringLists(expectedAffectedNames, actualAffectedNames), 0)
assert.Len(t, strutil.CompareStringLists(actualAffectedNames, expectedAffectedNames), 0)
}
}

516
database/pgsql/feature.go
View File

@ -16,230 +16,366 @@ package pgsql
import (
"database/sql"
"strings"
"time"
"errors"
"sort"
"github.com/lib/pq"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
"github.com/coreos/clair/pkg/commonerr"
)
func (pgSQL *pgSQL) insertFeature(feature database.Feature) (int, error) {
if feature.Name == "" {
return 0, commonerr.NewBadRequestError("could not find/insert invalid Feature")
}
var (
errFeatureNotFound = errors.New("Feature not found")
)
// Do cache lookup.
if pgSQL.cache != nil {
promCacheQueriesTotal.WithLabelValues("feature").Inc()
id, found := pgSQL.cache.Get("feature:" + feature.Namespace.Name + ":" + feature.Name)
if found {
promCacheHitsTotal.WithLabelValues("feature").Inc()
return id.(int), nil
}
}
// We do `defer observeQueryTime` here because we don't want to observe cached features.
defer observeQueryTime("insertFeature", "all", time.Now())
// Find or create Namespace.
namespaceID, err := pgSQL.insertNamespace(feature.Namespace)
if err != nil {
return 0, err
}
// Find or create Feature.
var id int
err = pgSQL.QueryRow(soiFeature, feature.Name, namespaceID).Scan(&id)
if err != nil {
return 0, handleError("soiFeature", err)
}
if pgSQL.cache != nil {
pgSQL.cache.Add("feature:"+feature.Namespace.Name+":"+feature.Name, id)
}
return id, nil
type vulnerabilityAffecting struct {
vulnerabilityID int64
addedByID int64
}
func (pgSQL *pgSQL) insertFeatureVersion(fv database.FeatureVersion) (id int, err error) {
err = versionfmt.Valid(fv.Feature.Namespace.VersionFormat, fv.Version)
if err != nil {
return 0, commonerr.NewBadRequestError("could not find/insert invalid FeatureVersion")
func (tx *pgSession) PersistFeatures(features []database.Feature) error {
if len(features) == 0 {
return nil
}
// Do cache lookup.
cacheIndex := strings.Join([]string{"featureversion", fv.Feature.Namespace.Name, fv.Feature.Name, fv.Version}, ":")
if pgSQL.cache != nil {
promCacheQueriesTotal.WithLabelValues("featureversion").Inc()
id, found := pgSQL.cache.Get(cacheIndex)
if found {
promCacheHitsTotal.WithLabelValues("featureversion").Inc()
return id.(int), nil
// Sorting is needed before inserting into database to prevent deadlock.
sort.Slice(features, func(i, j int) bool {
return features[i].Name < features[j].Name ||
features[i].Version < features[j].Version ||
features[i].VersionFormat < features[j].VersionFormat
})
// TODO(Sida): A better interface for bulk insertion is needed.
keys := make([]interface{}, len(features)*3)
for i, f := range features {
keys[i*3] = f.Name
keys[i*3+1] = f.Version
keys[i*3+2] = f.VersionFormat
if f.Name == "" || f.Version == "" || f.VersionFormat == "" {
return commonerr.NewBadRequestError("Empty feature name, version or version format is not allowed")
}
}
// We do `defer observeQueryTime` here because we don't want to observe cached featureversions.
defer observeQueryTime("insertFeatureVersion", "all", time.Now())
// Find or create Feature first.
t := time.Now()
featureID, err := pgSQL.insertFeature(fv.Feature)
observeQueryTime("insertFeatureVersion", "insertFeature", t)
if err != nil {
return 0, err
}
fv.Feature.ID = featureID
// Try to find the FeatureVersion.
//
// In a populated database, the likelihood of the FeatureVersion already being there is high.
// If we can find it here, we then avoid using a transaction and locking the database.
err = pgSQL.QueryRow(searchFeatureVersion, featureID, fv.Version).Scan(&fv.ID)
if err != nil && err != sql.ErrNoRows {
return 0, handleError("searchFeatureVersion", err)
}
if err == nil {
if pgSQL.cache != nil {
pgSQL.cache.Add(cacheIndex, fv.ID)
}
return fv.ID, nil
}
// Begin transaction.
tx, err := pgSQL.Begin()
if err != nil {
tx.Rollback()
return 0, handleError("insertFeatureVersion.Begin()", err)
}
// Lock Vulnerability_Affects_FeatureVersion exclusively.
// We want to prevent InsertVulnerability to modify it.
promConcurrentLockVAFV.Inc()
defer promConcurrentLockVAFV.Dec()
t = time.Now()
_, err = tx.Exec(lockVulnerabilityAffects)
observeQueryTime("insertFeatureVersion", "lock", t)
if err != nil {
tx.Rollback()
return 0, handleError("insertFeatureVersion.lockVulnerabilityAffects", err)
}
// Find or create FeatureVersion.
var created bool
t = time.Now()
err = tx.QueryRow(soiFeatureVersion, featureID, fv.Version).Scan(&created, &fv.ID)
observeQueryTime("insertFeatureVersion", "soiFeatureVersion", t)
if err != nil {
tx.Rollback()
return 0, handleError("soiFeatureVersion", err)
}
if !created {
// The featureVersion already existed, no need to link it to
// vulnerabilities.
tx.Commit()
if pgSQL.cache != nil {
pgSQL.cache.Add(cacheIndex, fv.ID)
}
return fv.ID, nil
}
// Link the new FeatureVersion with every vulnerabilities that affect it, by inserting in
// Vulnerability_Affects_FeatureVersion.
t = time.Now()
err = linkFeatureVersionToVulnerabilities(tx, fv)
observeQueryTime("insertFeatureVersion", "linkFeatureVersionToVulnerabilities", t)
if err != nil {
tx.Rollback()
return 0, err
}
// Commit transaction.
err = tx.Commit()
if err != nil {
return 0, handleError("insertFeatureVersion.Commit()", err)
}
if pgSQL.cache != nil {
pgSQL.cache.Add(cacheIndex, fv.ID)
}
return fv.ID, nil
_, err := tx.Exec(queryPersistFeature(len(features)), keys...)
return handleError("queryPersistFeature", err)
}
// TODO(Quentin-M): Batch me
func (pgSQL *pgSQL) insertFeatureVersions(featureVersions []database.FeatureVersion) ([]int, error) {
IDs := make([]int, 0, len(featureVersions))
type namespacedFeatureWithID struct {
database.NamespacedFeature
for i := 0; i < len(featureVersions); i++ {
id, err := pgSQL.insertFeatureVersion(featureVersions[i])
if err != nil {
return IDs, err
}
IDs = append(IDs, id)
}
return IDs, nil
ID int64
}
type vulnerabilityAffectsFeatureVersion struct {
vulnerabilityID int
fixedInID int
fixedInVersion string
type vulnerabilityCache struct {
nsFeatureID int64
vulnID int64
vulnAffectingID int64
}
func linkFeatureVersionToVulnerabilities(tx *sql.Tx, featureVersion database.FeatureVersion) error {
// Select every vulnerability and the fixed version that affect this Feature.
// TODO(Quentin-M): LIMIT
rows, err := tx.Query(searchVulnerabilityFixedInFeature, featureVersion.Feature.ID)
if err != nil {
return handleError("searchVulnerabilityFixedInFeature", err)
func (tx *pgSession) searchAffectingVulnerabilities(features []database.NamespacedFeature) ([]vulnerabilityCache, error) {
if len(features) == 0 {
return nil, nil
}
ids, err := tx.findNamespacedFeatureIDs(features)
if err != nil {
return nil, err
}
fMap := map[int64]database.NamespacedFeature{}
for i, f := range features {
if !ids[i].Valid {
return nil, errFeatureNotFound
}
fMap[ids[i].Int64] = f
}
cacheTable := []vulnerabilityCache{}
rows, err := tx.Query(searchPotentialAffectingVulneraibilities, pq.Array(ids))
if err != nil {
return nil, handleError("searchPotentialAffectingVulneraibilities", err)
}
defer rows.Close()
var affects []vulnerabilityAffectsFeatureVersion
for rows.Next() {
var affect vulnerabilityAffectsFeatureVersion
var (
cache vulnerabilityCache
affected string
)
err := rows.Scan(&affect.fixedInID, &affect.vulnerabilityID, &affect.fixedInVersion)
err := rows.Scan(&cache.nsFeatureID, &cache.vulnID, &affected, &cache.vulnAffectingID)
if err != nil {
return handleError("searchVulnerabilityFixedInFeature.Scan()", err)
return nil, err
}
cmp, err := versionfmt.Compare(featureVersion.Feature.Namespace.VersionFormat, featureVersion.Version, affect.fixedInVersion)
if ok, err := versionfmt.InRange(fMap[cache.nsFeatureID].VersionFormat, fMap[cache.nsFeatureID].Version, affected); err != nil {
return nil, err
} else if ok {
cacheTable = append(cacheTable, cache)
}
}
return cacheTable, nil
}
func (tx *pgSession) CacheAffectedNamespacedFeatures(features []database.NamespacedFeature) error {
if len(features) == 0 {
return nil
}
_, err := tx.Exec(lockVulnerabilityAffects)
if err != nil {
return handleError("lockVulnerabilityAffects", err)
}
cache, err := tx.searchAffectingVulnerabilities(features)
keys := make([]interface{}, len(cache)*3)
for i, c := range cache {
keys[i*3] = c.vulnID
keys[i*3+1] = c.nsFeatureID
keys[i*3+2] = c.vulnAffectingID
}
if len(cache) == 0 {
return nil
}
affected, err := tx.Exec(queryPersistVulnerabilityAffectedNamespacedFeature(len(cache)), keys...)
if err != nil {
return handleError("persistVulnerabilityAffectedNamespacedFeature", err)
}
if count, err := affected.RowsAffected(); err != nil {
log.Debugf("Cached %d features in vulnerability_affected_namespaced_feature", count)
}
return nil
}
func (tx *pgSession) PersistNamespacedFeatures(features []database.NamespacedFeature) error {
if len(features) == 0 {
return nil
}
nsIDs := map[database.Namespace]sql.NullInt64{}
fIDs := map[database.Feature]sql.NullInt64{}
for _, f := range features {
nsIDs[f.Namespace] = sql.NullInt64{}
fIDs[f.Feature] = sql.NullInt64{}
}
fToFind := []database.Feature{}
for f := range fIDs {
fToFind = append(fToFind, f)
}
sort.Slice(fToFind, func(i, j int) bool {
return fToFind[i].Name < fToFind[j].Name ||
fToFind[i].Version < fToFind[j].Version ||
fToFind[i].VersionFormat < fToFind[j].VersionFormat
})
if ids, err := tx.findFeatureIDs(fToFind); err == nil {
for i, id := range ids {
if !id.Valid {
return errFeatureNotFound
}
fIDs[fToFind[i]] = id
}
} else {
return err
}
if cmp < 0 {
// The version of the FeatureVersion we are inserting is lower than the fixed version on this
// Vulnerability, thus, this FeatureVersion is affected by it.
affects = append(affects, affect)
}
}
if err = rows.Err(); err != nil {
return handleError("searchVulnerabilityFixedInFeature.Rows()", err)
}
rows.Close()
// Insert into Vulnerability_Affects_FeatureVersion.
for _, affect := range affects {
// TODO(Quentin-M): Batch me.
_, err := tx.Exec(insertVulnerabilityAffectsFeatureVersion, affect.vulnerabilityID,
featureVersion.ID, affect.fixedInID)
if err != nil {
return handleError("insertVulnerabilityAffectsFeatureVersion", err)
nsToFind := []database.Namespace{}
for ns := range nsIDs {
nsToFind = append(nsToFind, ns)
}
if ids, err := tx.findNamespaceIDs(nsToFind); err == nil {
for i, id := range ids {
if !id.Valid {
return errNamespaceNotFound
}
nsIDs[nsToFind[i]] = id
}
} else {
return err
}
keys := make([]interface{}, len(features)*2)
for i, f := range features {
keys[i*2] = fIDs[f.Feature]
keys[i*2+1] = nsIDs[f.Namespace]
}
_, err := tx.Exec(queryPersistNamespacedFeature(len(features)), keys...)
if err != nil {
return err
}
return nil
}
// FindAffectedNamespacedFeatures looks up cache table and retrieves all
// vulnerabilities associated with the features.
func (tx *pgSession) FindAffectedNamespacedFeatures(features []database.NamespacedFeature) ([]database.NullableAffectedNamespacedFeature, error) {
if len(features) == 0 {
return nil, nil
}
returnFeatures := make([]database.NullableAffectedNamespacedFeature, len(features))
// featureMap is used to keep track of duplicated features.
featureMap := map[database.NamespacedFeature][]*database.NullableAffectedNamespacedFeature{}
// initialize return value and generate unique feature request queries.
for i, f := range features {
returnFeatures[i] = database.NullableAffectedNamespacedFeature{
AffectedNamespacedFeature: database.AffectedNamespacedFeature{
NamespacedFeature: f,
},
}
featureMap[f] = append(featureMap[f], &returnFeatures[i])
}
// query unique namespaced features
distinctFeatures := []database.NamespacedFeature{}
for f := range featureMap {
distinctFeatures = append(distinctFeatures, f)
}
nsFeatureIDs, err := tx.findNamespacedFeatureIDs(distinctFeatures)
if err != nil {
return nil, err
}
toQuery := []int64{}
featureIDMap := map[int64][]*database.NullableAffectedNamespacedFeature{}
for i, id := range nsFeatureIDs {
if id.Valid {
toQuery = append(toQuery, id.Int64)
for _, f := range featureMap[distinctFeatures[i]] {
f.Valid = id.Valid
featureIDMap[id.Int64] = append(featureIDMap[id.Int64], f)
}
}
}
rows, err := tx.Query(searchNamespacedFeaturesVulnerabilities, pq.Array(toQuery))
if err != nil {
return nil, handleError("searchNamespacedFeaturesVulnerabilities", err)
}
defer rows.Close()
for rows.Next() {
var (
featureID int64
vuln database.VulnerabilityWithFixedIn
)
err := rows.Scan(&featureID,
&vuln.Name,
&vuln.Description,
&vuln.Link,
&vuln.Severity,
&vuln.Metadata,
&vuln.FixedInVersion,
&vuln.Namespace.Name,
&vuln.Namespace.VersionFormat,
)
if err != nil {
return nil, handleError("searchNamespacedFeaturesVulnerabilities", err)
}
for _, f := range featureIDMap[featureID] {
f.AffectedBy = append(f.AffectedBy, vuln)
}
}
return returnFeatures, nil
}
func (tx *pgSession) findNamespacedFeatureIDs(nfs []database.NamespacedFeature) ([]sql.NullInt64, error) {
if len(nfs) == 0 {
return nil, nil
}
nfsMap := map[database.NamespacedFeature]sql.NullInt64{}
keys := make([]interface{}, len(nfs)*4)
for i, nf := range nfs {
keys[i*4] = nfs[i].Name
keys[i*4+1] = nfs[i].Version
keys[i*4+2] = nfs[i].VersionFormat
keys[i*4+3] = nfs[i].Namespace.Name
nfsMap[nf] = sql.NullInt64{}
}
rows, err := tx.Query(querySearchNamespacedFeature(len(nfs)), keys...)
if err != nil {
return nil, handleError("searchNamespacedFeature", err)
}
defer rows.Close()
var (
id sql.NullInt64
nf database.NamespacedFeature
)
for rows.Next() {
err := rows.Scan(&id, &nf.Name, &nf.Version, &nf.VersionFormat, &nf.Namespace.Name)
nf.Namespace.VersionFormat = nf.VersionFormat
if err != nil {
return nil, handleError("searchNamespacedFeature", err)
}
nfsMap[nf] = id
}
ids := make([]sql.NullInt64, len(nfs))
for i, nf := range nfs {
ids[i] = nfsMap[nf]
}
return ids, nil
}
func (tx *pgSession) findFeatureIDs(fs []database.Feature) ([]sql.NullInt64, error) {
if len(fs) == 0 {
return nil, nil
}
fMap := map[database.Feature]sql.NullInt64{}
keys := make([]interface{}, len(fs)*3)
for i, f := range fs {
keys[i*3] = f.Name
keys[i*3+1] = f.Version
keys[i*3+2] = f.VersionFormat
fMap[f] = sql.NullInt64{}
}
rows, err := tx.Query(querySearchFeatureID(len(fs)), keys...)
if err != nil {
return nil, handleError("querySearchFeatureID", err)
}
defer rows.Close()
var (
id sql.NullInt64
f database.Feature
)
for rows.Next() {
err := rows.Scan(&id, &f.Name, &f.Version, &f.VersionFormat)
if err != nil {
return nil, handleError("querySearchFeatureID", err)
}
fMap[f] = id
}
ids := make([]sql.NullInt64, len(fs))
for i, f := range fs {
ids[i] = fMap[f]
}
return ids, nil
}

311
database/pgsql/feature_test.go
View File

@ -20,96 +20,237 @@ import (
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt/dpkg"
// register dpkg feature lister for testing
_ "github.com/coreos/clair/ext/featurefmt/dpkg"
)
func TestInsertFeature(t *testing.T) {
datastore, err := openDatabaseForTest("InsertFeature", false)
func TestPersistFeatures(t *testing.T) {
datastore, tx := openSessionForTest(t, "PersistFeatures", false)
defer closeTest(t, datastore, tx)
f1 := database.Feature{}
f2 := database.Feature{Name: "n", Version: "v", VersionFormat: "vf"}
// empty
assert.Nil(t, tx.PersistFeatures([]database.Feature{}))
// invalid
assert.NotNil(t, tx.PersistFeatures([]database.Feature{f1}))
// duplicated
assert.Nil(t, tx.PersistFeatures([]database.Feature{f2, f2}))
// existing
assert.Nil(t, tx.PersistFeatures([]database.Feature{f2}))
fs := listFeatures(t, tx)
assert.Len(t, fs, 1)
assert.Equal(t, f2, fs[0])
}
func TestPersistNamespacedFeatures(t *testing.T) {
datastore, tx := openSessionForTest(t, "PersistNamespacedFeatures", true)
defer closeTest(t, datastore, tx)
// existing features
f1 := database.Feature{
Name: "wechat",
Version: "0.5",
VersionFormat: "dpkg",
}
// non-existing features
f2 := database.Feature{
Name: "fake!",
}
f3 := database.Feature{
Name: "openssl",
Version: "2.0",
VersionFormat: "dpkg",
}
// exising namespace
n1 := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
n3 := database.Namespace{
Name: "debian:8",
VersionFormat: "dpkg",
}
// non-existing namespace
n2 := database.Namespace{
Name: "debian:non",
VersionFormat: "dpkg",
}
// existing namespaced feature
nf1 := database.NamespacedFeature{
Namespace: n1,
Feature: f1,
}
// invalid namespaced feature
nf2 := database.NamespacedFeature{
Namespace: n2,
Feature: f2,
}
// new namespaced feature affected by vulnerability
nf3 := database.NamespacedFeature{
Namespace: n3,
Feature: f3,
}
// namespaced features with namespaces or features not in the database will
// generate error.
assert.Nil(t, tx.PersistNamespacedFeatures([]database.NamespacedFeature{}))
assert.NotNil(t, tx.PersistNamespacedFeatures([]database.NamespacedFeature{nf1, nf2}))
// valid case: insert nf3
assert.Nil(t, tx.PersistNamespacedFeatures([]database.NamespacedFeature{nf1, nf3}))
all := listNamespacedFeatures(t, tx)
assert.Contains(t, all, nf1)
assert.Contains(t, all, nf3)
}
func TestVulnerableFeature(t *testing.T) {
datastore, tx := openSessionForTest(t, "VulnerableFeature", true)
defer closeTest(t, datastore, tx)
f1 := database.Feature{
Name: "openssl",
Version: "1.3",
VersionFormat: "dpkg",
}
n1 := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
nf1 := database.NamespacedFeature{
Namespace: n1,
Feature: f1,
}
assert.Nil(t, tx.PersistFeatures([]database.Feature{f1}))
assert.Nil(t, tx.PersistNamespacedFeatures([]database.NamespacedFeature{nf1}))
assert.Nil(t, tx.CacheAffectedNamespacedFeatures([]database.NamespacedFeature{nf1}))
// ensure the namespaced feature is affected correctly
anf, err := tx.FindAffectedNamespacedFeatures([]database.NamespacedFeature{nf1})
if assert.Nil(t, err) &&
assert.Len(t, anf, 1) &&
assert.True(t, anf[0].Valid) &&
assert.Len(t, anf[0].AffectedBy, 1) {
assert.Equal(t, "CVE-OPENSSL-1-DEB7", anf[0].AffectedBy[0].Name)
}
}
func TestFindAffectedNamespacedFeatures(t *testing.T) {
datastore, tx := openSessionForTest(t, "FindAffectedNamespacedFeatures", true)
defer closeTest(t, datastore, tx)
ns := database.NamespacedFeature{
Feature: database.Feature{
Name: "openssl",
Version: "1.0",
VersionFormat: "dpkg",
},
Namespace: database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
},
}
ans, err := tx.FindAffectedNamespacedFeatures([]database.NamespacedFeature{ns})
if assert.Nil(t, err) &&
assert.Len(t, ans, 1) &&
assert.True(t, ans[0].Valid) &&
assert.Len(t, ans[0].AffectedBy, 1) {
assert.Equal(t, "CVE-OPENSSL-1-DEB7", ans[0].AffectedBy[0].Name)
}
}
func listNamespacedFeatures(t *testing.T, tx *pgSession) []database.NamespacedFeature {
rows, err := tx.Query(`SELECT f.name, f.version, f.version_format, n.name, n.version_format
FROM feature AS f, namespace AS n, namespaced_feature AS nf
WHERE nf.feature_id = f.id AND nf.namespace_id = n.id`)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
// Invalid Feature.
id0, err := datastore.insertFeature(database.Feature{})
assert.NotNil(t, err)
assert.Zero(t, id0)
id0, err = datastore.insertFeature(database.Feature{
Namespace: database.Namespace{},
Name: "TestInsertFeature0",
})
assert.NotNil(t, err)
assert.Zero(t, id0)
// Insert Feature and ensure we can find it.
feature := database.Feature{
Namespace: database.Namespace{
Name: "TestInsertFeatureNamespace1",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertFeature1",
}
id1, err := datastore.insertFeature(feature)
assert.Nil(t, err)
id2, err := datastore.insertFeature(feature)
assert.Nil(t, err)
assert.Equal(t, id1, id2)
// Insert invalid FeatureVersion.
for _, invalidFeatureVersion := range []database.FeatureVersion{
{
Feature: database.Feature{},
Version: "1.0",
},
{
Feature: database.Feature{
Namespace: database.Namespace{},
Name: "TestInsertFeature2",
},
Version: "1.0",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertFeatureNamespace2",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertFeature2",
},
Version: "",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertFeatureNamespace2",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertFeature2",
},
Version: "bad version",
},
} {
id3, err := datastore.insertFeatureVersion(invalidFeatureVersion)
assert.Error(t, err)
assert.Zero(t, id3)
t.FailNow()
}
// Insert FeatureVersion and ensure we can find it.
featureVersion := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertFeatureNamespace1",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertFeature1",
},
Version: "2:3.0-imba",
nf := []database.NamespacedFeature{}
for rows.Next() {
f := database.NamespacedFeature{}
err := rows.Scan(&f.Name, &f.Version, &f.VersionFormat, &f.Namespace.Name, &f.Namespace.VersionFormat)
if err != nil {
t.Error(err)
t.FailNow()
}
id4, err := datastore.insertFeatureVersion(featureVersion)
assert.Nil(t, err)
id5, err := datastore.insertFeatureVersion(featureVersion)
assert.Nil(t, err)
assert.Equal(t, id4, id5)
nf = append(nf, f)
}
return nf
}
func listFeatures(t *testing.T, tx *pgSession) []database.Feature {
rows, err := tx.Query("SELECT name, version, version_format FROM feature")
if err != nil {
t.FailNow()
}
fs := []database.Feature{}
for rows.Next() {
f := database.Feature{}
err := rows.Scan(&f.Name, &f.Version, &f.VersionFormat)
if err != nil {
t.FailNow()
}
fs = append(fs, f)
}
return fs
}
func assertFeaturesEqual(t *testing.T, expected []database.Feature, actual []database.Feature) bool {
if assert.Len(t, actual, len(expected)) {
has := map[database.Feature]bool{}
for _, nf := range expected {
has[nf] = false
}
for _, nf := range actual {
has[nf] = true
}
for nf, visited := range has {
if !assert.True(t, visited, nf.Name+" is expected") {
return false
}
return true
}
}
return false
}
func assertNamespacedFeatureEqual(t *testing.T, expected []database.NamespacedFeature, actual []database.NamespacedFeature) bool {
if assert.Len(t, actual, len(expected)) {
has := map[database.NamespacedFeature]bool{}
for _, nf := range expected {
has[nf] = false
}
for _, nf := range actual {
has[nf] = true
}
for nf, visited := range has {
if !assert.True(t, visited, nf.Namespace.Name+":"+nf.Name+" is expected") {
return false
}
}
return true
}
return false
}

52
database/pgsql/keyvalue.go
View File

@ -23,63 +23,35 @@ import (
"github.com/coreos/clair/pkg/commonerr"
)
// InsertKeyValue stores (or updates) a single key / value tuple.
func (pgSQL *pgSQL) InsertKeyValue(key, value string) (err error) {
func (tx *pgSession) UpdateKeyValue(key, value string) (err error) {
if key == "" || value == "" {
log.Warning("could not insert a flag which has an empty name or value")
return commonerr.NewBadRequestError("could not insert a flag which has an empty name or value")
}
defer observeQueryTime("InsertKeyValue", "all", time.Now())
defer observeQueryTime("PersistKeyValue", "all", time.Now())
// Upsert.
//
// Note: UPSERT works only on >= PostgreSQL 9.5 which is not yet supported by AWS RDS.
// The best solution is currently the use of http://dba.stackexchange.com/a/13477
// but the key/value storage doesn't need to be super-efficient and super-safe at the
// moment so we can just use a client-side solution with transactions, based on
// http://postgresql.org/docs/current/static/plpgsql-control-structures.html.
// TODO(Quentin-M): Enable Upsert as soon as 9.5 is stable.
for {
// First, try to update.
r, err := pgSQL.Exec(updateKeyValue, value, key)
_, err = tx.Exec(upsertKeyValue, key, value)
if err != nil {
return handleError("updateKeyValue", err)
}
if n, _ := r.RowsAffected(); n > 0 {
// Updated successfully.
return nil
}
// Try to insert the key.
// If someone else inserts the same key concurrently, we could get a unique-key violation error.
_, err = pgSQL.Exec(insertKeyValue, key, value)
if err != nil {
if isErrUniqueViolation(err) {
// Got unique constraint violation, retry.
continue
}
return handleError("insertKeyValue", err)
}
return nil
}
}
// GetValue reads a single key / value tuple and returns an empty string if the key doesn't exist.
func (pgSQL *pgSQL) GetKeyValue(key string) (string, error) {
defer observeQueryTime("GetKeyValue", "all", time.Now())
func (tx *pgSession) FindKeyValue(key string) (string, bool, error) {
defer observeQueryTime("FindKeyValue", "all", time.Now())
var value string
err := pgSQL.QueryRow(searchKeyValue, key).Scan(&value)
err := tx.QueryRow(searchKeyValue, key).Scan(&value)
if err == sql.ErrNoRows {
return "", nil
}
if err != nil {
return "", handleError("searchKeyValue", err)
return "", false, nil
}
return value, nil
if err != nil {
return "", false, handleError("searchKeyValue", err)
}
return value, true, nil
}

28
database/pgsql/keyvalue_test.go
View File

@ -21,32 +21,30 @@ import (
)
func TestKeyValue(t *testing.T) {
datastore, err := openDatabaseForTest("KeyValue", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
datastore, tx := openSessionForTest(t, "KeyValue", true)
defer closeTest(t, datastore, tx)
// Get non-existing key/value
f, err := datastore.GetKeyValue("test")
f, ok, err := tx.FindKeyValue("test")
assert.Nil(t, err)
assert.Empty(t, "", f)
assert.False(t, ok)
// Try to insert invalid key/value.
assert.Error(t, datastore.InsertKeyValue("test", ""))
assert.Error(t, datastore.InsertKeyValue("", "test"))
assert.Error(t, datastore.InsertKeyValue("", ""))
assert.Error(t, tx.UpdateKeyValue("test", ""))
assert.Error(t, tx.UpdateKeyValue("", "test"))
assert.Error(t, tx.UpdateKeyValue("", ""))
// Insert and verify.
assert.Nil(t, datastore.InsertKeyValue("test", "test1"))
f, err = datastore.GetKeyValue("test")
assert.Nil(t, tx.UpdateKeyValue("test", "test1"))
f, ok, err = tx.FindKeyValue("test")
assert.Nil(t, err)
assert.True(t, ok)
assert.Equal(t, "test1", f)
// Update and verify.
assert.Nil(t, datastore.InsertKeyValue("test", "test2"))
f, err = datastore.GetKeyValue("test")
assert.Nil(t, tx.UpdateKeyValue("test", "test2"))
f, ok, err = tx.FindKeyValue("test")
assert.Nil(t, err)
assert.True(t, ok)
assert.Equal(t, "test2", f)
}

679
database/pgsql/layer.go
View File

@ -16,464 +16,293 @@ package pgsql
import (
"database/sql"
"strings"
"time"
"github.com/guregu/null/zero"
log "github.com/sirupsen/logrus"
"sort"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
)
func (pgSQL *pgSQL) FindLayer(name string, withFeatures, withVulnerabilities bool) (database.Layer, error) {
subquery := "all"
if withFeatures {
subquery += "/features"
} else if withVulnerabilities {
subquery += "/features+vulnerabilities"
}
defer observeQueryTime("FindLayer", subquery, time.Now())
func (tx *pgSession) FindLayer(hash string) (database.Layer, database.Processors, bool, error) {
l, p, _, ok, err := tx.findLayer(hash)
return l, p, ok, err
}
// Find the layer
func (tx *pgSession) FindLayerWithContent(hash string) (database.LayerWithContent, bool, error) {
var (
layer database.Layer
parentID zero.Int
parentName zero.String
nsID zero.Int
nsName sql.NullString
nsVersionFormat sql.NullString
layer database.LayerWithContent
layerID int64
ok bool
err error
)
t := time.Now()
err := pgSQL.QueryRow(searchLayer, name).Scan(
&layer.ID,
&layer.Name,
&layer.EngineVersion,
&parentID,
&parentName,
)
observeQueryTime("FindLayer", "searchLayer", t)
layer.Layer, layer.ProcessedBy, layerID, ok, err = tx.findLayer(hash)
if err != nil {
return layer, handleError("searchLayer", err)
return layer, false, err
}
if !parentID.IsZero() {
layer.Parent = &database.Layer{
Model: database.Model{ID: int(parentID.Int64)},
Name: parentName.String,
}
if !ok {
return layer, false, nil
}
rows, err := pgSQL.Query(searchLayerNamespace, layer.ID)
defer rows.Close()
layer.Features, err = tx.findLayerFeatures(layerID)
layer.Namespaces, err = tx.findLayerNamespaces(layerID)
return layer, true, nil
}
func (tx *pgSession) PersistLayer(layer database.Layer) error {
if layer.Hash == "" {
return commonerr.NewBadRequestError("Empty Layer Hash is not allowed")
}
_, err := tx.Exec(queryPersistLayer(1), layer.Hash)
if err != nil {
return layer, handleError("searchLayerNamespace", err)
return handleError("queryPersistLayer", err)
}
return nil
}
// PersistLayerContent relates layer identified by hash with namespaces,
// features and processors provided. If the layer, namespaces, features are not
// in database, the function returns an error.
func (tx *pgSession) PersistLayerContent(hash string, namespaces []database.Namespace, features []database.Feature, processedBy database.Processors) error {
if hash == "" {
return commonerr.NewBadRequestError("Empty layer hash is not allowed")
}
var layerID int64
err := tx.QueryRow(searchLayer, hash).Scan(&layerID)
if err != nil {
return err
}
if err = tx.persistLayerNamespace(layerID, namespaces); err != nil {
return err
}
if err = tx.persistLayerFeatures(layerID, features); err != nil {
return err
}
if err = tx.persistLayerDetectors(layerID, processedBy.Detectors); err != nil {
return err
}
if err = tx.persistLayerListers(layerID, processedBy.Listers); err != nil {
return err
}
return nil
}
func (tx *pgSession) persistLayerDetectors(id int64, detectors []string) error {
if len(detectors) == 0 {
return nil
}
// Sorting is needed before inserting into database to prevent deadlock.
sort.Strings(detectors)
keys := make([]interface{}, len(detectors)*2)
for i, d := range detectors {
keys[i*2] = id
keys[i*2+1] = d
}
_, err := tx.Exec(queryPersistLayerDetectors(len(detectors)), keys...)
if err != nil {
return handleError("queryPersistLayerDetectors", err)
}
return nil
}
func (tx *pgSession) persistLayerListers(id int64, listers []string) error {
if len(listers) == 0 {
return nil
}
sort.Strings(listers)
keys := make([]interface{}, len(listers)*2)
for i, d := range listers {
keys[i*2] = id
keys[i*2+1] = d
}
_, err := tx.Exec(queryPersistLayerListers(len(listers)), keys...)
if err != nil {
return handleError("queryPersistLayerDetectors", err)
}
return nil
}
func (tx *pgSession) persistLayerFeatures(id int64, features []database.Feature) error {
if len(features) == 0 {
return nil
}
fIDs, err := tx.findFeatureIDs(features)
if err != nil {
return err
}
ids := make([]int, len(fIDs))
for i, fID := range fIDs {
if !fID.Valid {
return errNamespaceNotFound
}
ids[i] = int(fID.Int64)
}
sort.IntSlice(ids).Sort()
keys := make([]interface{}, len(features)*2)
for i, fID := range ids {
keys[i*2] = id
keys[i*2+1] = fID
}
_, err = tx.Exec(queryPersistLayerFeature(len(features)), keys...)
if err != nil {
return handleError("queryPersistLayerFeature", err)
}
return nil
}
func (tx *pgSession) persistLayerNamespace(id int64, namespaces []database.Namespace) error {
if len(namespaces) == 0 {
return nil
}
nsIDs, err := tx.findNamespaceIDs(namespaces)
if err != nil {
return err
}
// for every bulk persist operation, the input data should be sorted.
ids := make([]int, len(nsIDs))
for i, nsID := range nsIDs {
if !nsID.Valid {
panic(errNamespaceNotFound)
}
ids[i] = int(nsID.Int64)
}
sort.IntSlice(ids).Sort()
keys := make([]interface{}, len(namespaces)*2)
for i, nsID := range ids {
keys[i*2] = id
keys[i*2+1] = nsID
}
_, err = tx.Exec(queryPersistLayerNamespace(len(namespaces)), keys...)
if err != nil {
return handleError("queryPersistLayerNamespace", err)
}
return nil
}
func (tx *pgSession) persistProcessors(listerQuery, listerQueryName, detectorQuery, detectorQueryName string, id int64, processors database.Processors) error {
stmt, err := tx.Prepare(listerQuery)
if err != nil {
return handleError(listerQueryName, err)
}
for _, l := range processors.Listers {
_, err := stmt.Exec(id, l)
if err != nil {
stmt.Close()
return handleError(listerQueryName, err)
}
}
if err := stmt.Close(); err != nil {
return handleError(listerQueryName, err)
}
stmt, err = tx.Prepare(detectorQuery)
if err != nil {
return handleError(detectorQueryName, err)
}
for _, d := range processors.Detectors {
_, err := stmt.Exec(id, d)
if err != nil {
stmt.Close()
return handleError(detectorQueryName, err)
}
}
if err := stmt.Close(); err != nil {
return handleError(detectorQueryName, err)
}
return nil
}
func (tx *pgSession) findLayerNamespaces(layerID int64) ([]database.Namespace, error) {
var namespaces []database.Namespace
rows, err := tx.Query(searchLayerNamespaces, layerID)
if err != nil {
return nil, handleError("searchLayerFeatures", err)
}
for rows.Next() {
err = rows.Scan(&nsID, &nsName, &nsVersionFormat)
ns := database.Namespace{}
err := rows.Scan(&ns.Name, &ns.VersionFormat)
if err != nil {
return layer, handleError("searchLayerNamespace", err)
return nil, err
}
if !nsID.IsZero() {
layer.Namespaces = append(layer.Namespaces, database.Namespace{
Model: database.Model{ID: int(nsID.Int64)},
Name: nsName.String,
VersionFormat: nsVersionFormat.String,
})
namespaces = append(namespaces, ns)
}
}
// Find its features
if withFeatures || withVulnerabilities {
// Create a transaction to disable hash/merge joins as our experiments have shown that
// PostgreSQL 9.4 makes bad planning decisions about:
// - joining the layer tree to feature versions and feature
// - joining the feature versions to affected/fixed feature version and vulnerabilities
// It would for instance do a merge join between affected feature versions (300 rows, estimated
// 3000 rows) and fixed in feature version (100k rows). In this case, it is much more
// preferred to use a nested loop.
tx, err := pgSQL.Begin()
if err != nil {
return layer, handleError("FindLayer.Begin()", err)
}
defer tx.Commit()
_, err = tx.Exec(disableHashJoin)
if err != nil {
log.WithError(err).Warningf("FindLayer: could not disable hash join")
}
_, err = tx.Exec(disableMergeJoin)
if err != nil {
log.WithError(err).Warningf("FindLayer: could not disable merge join")
}
t = time.Now()
featureVersions, err := getLayerFeatureVersions(tx, layer.ID)
observeQueryTime("FindLayer", "getLayerFeatureVersions", t)
if err != nil {
return layer, err
}
layer.Features = featureVersions
if withVulnerabilities {
// Load the vulnerabilities that affect the FeatureVersions.
t = time.Now()
err := loadAffectedBy(tx, layer.Features)
observeQueryTime("FindLayer", "loadAffectedBy", t)
if err != nil {
return layer, err
}
}
}
return layer, nil
return namespaces, nil
}
// getLayerFeatureVersions returns list of database.FeatureVersion that a database.Layer has.
func getLayerFeatureVersions(tx *sql.Tx, layerID int) ([]database.FeatureVersion, error) {
var featureVersions []database.FeatureVersion
func (tx *pgSession) findLayerFeatures(layerID int64) ([]database.Feature, error) {
var features []database.Feature
// Query.
rows, err := tx.Query(searchLayerFeatureVersion, layerID)
rows, err := tx.Query(searchLayerFeatures, layerID)
if err != nil {
return featureVersions, handleError("searchLayerFeatureVersion", err)
return nil, handleError("searchLayerFeatures", err)
}
defer rows.Close()
// Scan query.
var modification string
mapFeatureVersions := make(map[int]database.FeatureVersion)
for rows.Next() {
var fv database.FeatureVersion
err = rows.Scan(
&fv.ID,
&modification,
&fv.Feature.Namespace.ID,
&fv.Feature.Namespace.Name,
&fv.Feature.Namespace.VersionFormat,
&fv.Feature.ID,
&fv.Feature.Name,
&fv.ID,
&fv.Version,
&fv.AddedBy.ID,
&fv.AddedBy.Name,
f := database.Feature{}
err := rows.Scan(&f.Name, &f.Version, &f.VersionFormat)
if err != nil {
return nil, err
}
features = append(features, f)
}
return features, nil
}
func (tx *pgSession) findLayer(hash string) (database.Layer, database.Processors, int64, bool, error) {
var (
layerID int64
layer = database.Layer{Hash: hash}
processors database.Processors
)
if hash == "" {
return layer, processors, layerID, false, commonerr.NewBadRequestError("Empty Layer Hash is not allowed")
}
err := tx.QueryRow(searchLayer, hash).Scan(&layerID)
if err != nil {
return featureVersions, handleError("searchLayerFeatureVersion.Scan()", err)
if err == sql.ErrNoRows {
return layer, processors, layerID, false, nil
}
return layer, processors, layerID, false, err
}
// Do transitive closure.
switch modification {
case "add":
mapFeatureVersions[fv.ID] = fv
case "del":
delete(mapFeatureVersions, fv.ID)
default:
log.WithField("modification", modification).Warning("unknown Layer_diff_FeatureVersion's modification")
return featureVersions, database.ErrInconsistent
}
}
if err = rows.Err(); err != nil {
return featureVersions, handleError("searchLayerFeatureVersion.Rows()", err)
processors.Detectors, err = tx.findProcessors(searchLayerDetectors, "searchLayerDetectors", "detector", layerID)
if err != nil {
return layer, processors, layerID, false, err
}
// Build result by converting our map to a slice.
for _, featureVersion := range mapFeatureVersions {
featureVersions = append(featureVersions, featureVersion)
processors.Listers, err = tx.findProcessors(searchLayerListers, "searchLayerListers", "lister", layerID)
if err != nil {
return layer, processors, layerID, false, err
}
return featureVersions, nil
}
// loadAffectedBy returns the list of database.Vulnerability that affect the given
// FeatureVersion.
func loadAffectedBy(tx *sql.Tx, featureVersions []database.FeatureVersion) error {
if len(featureVersions) == 0 {
return nil
}
// Construct list of FeatureVersion IDs, we will do a single query
featureVersionIDs := make([]int, 0, len(featureVersions))
for i := 0; i < len(featureVersions); i++ {
featureVersionIDs = append(featureVersionIDs, featureVersions[i].ID)
}
rows, err := tx.Query(searchFeatureVersionVulnerability,
buildInputArray(featureVersionIDs))
if err != nil && err != sql.ErrNoRows {
return handleError("searchFeatureVersionVulnerability", err)
}
defer rows.Close()
vulnerabilities := make(map[int][]database.Vulnerability, len(featureVersions))
var featureversionID int
for rows.Next() {
var vulnerability database.Vulnerability
err := rows.Scan(
&featureversionID,
&vulnerability.ID,
&vulnerability.Name,
&vulnerability.Description,
&vulnerability.Link,
&vulnerability.Severity,
&vulnerability.Metadata,
&vulnerability.Namespace.Name,
&vulnerability.Namespace.VersionFormat,
&vulnerability.FixedBy,
)
if err != nil {
return handleError("searchFeatureVersionVulnerability.Scan()", err)
}
vulnerabilities[featureversionID] = append(vulnerabilities[featureversionID], vulnerability)
}
if err = rows.Err(); err != nil {
return handleError("searchFeatureVersionVulnerability.Rows()", err)
}
// Assign vulnerabilities to every FeatureVersions
for i := 0; i < len(featureVersions); i++ {
featureVersions[i].AffectedBy = vulnerabilities[featureVersions[i].ID]
}
return nil
}
// Internally, only Feature additions/removals are stored for each layer. If a layer has a parent,
// the Feature list will be compared to the parent's Feature list and the difference will be stored.
// Note that when the Namespace of a layer differs from its parent, it is expected that several
// Feature that were already included a parent will have their Namespace updated as well
// (happens when Feature detectors relies on the detected layer Namespace). However, if the listed
// Feature has the same Name/Version as its parent, InsertLayer considers that the Feature hasn't
// been modified.
func (pgSQL *pgSQL) InsertLayer(layer database.Layer) error {
tf := time.Now()
// Verify parameters
if layer.Name == "" {
log.Warning("could not insert a layer which has an empty Name")
return commonerr.NewBadRequestError("could not insert a layer which has an empty Name")
}
// Get a potentially existing layer.
existingLayer, err := pgSQL.FindLayer(layer.Name, true, false)
if err != nil && err != commonerr.ErrNotFound {
return err
} else if err == nil {
if existingLayer.EngineVersion >= layer.EngineVersion {
// The layer exists and has an equal or higher engine version, do nothing.
return nil
}
layer.ID = existingLayer.ID
}
// We do `defer observeQueryTime` here because we don't want to observe existing layers.
defer observeQueryTime("InsertLayer", "all", tf)
// Get parent ID.
var parentID zero.Int
if layer.Parent != nil {
if layer.Parent.ID == 0 {
log.Warning("Parent is expected to be retrieved from database when inserting a layer.")
return commonerr.NewBadRequestError("Parent is expected to be retrieved from database when inserting a layer.")
}
parentID = zero.IntFrom(int64(layer.Parent.ID))
}
// namespaceIDs will contain inherited and new namespaces
namespaceIDs := make(map[int]struct{})
// try to insert the new namespaces
for _, ns := range layer.Namespaces {
n, err := pgSQL.insertNamespace(ns)
if err != nil {
return handleError("pgSQL.insertNamespace", err)
}
namespaceIDs[n] = struct{}{}
}
// inherit namespaces from parent layer
if layer.Parent != nil {
for _, ns := range layer.Parent.Namespaces {
namespaceIDs[ns.ID] = struct{}{}
}
}
// Begin transaction.
tx, err := pgSQL.Begin()
if err != nil {
tx.Rollback()
return handleError("InsertLayer.Begin()", err)
}
if layer.ID == 0 {
// Insert a new layer.
err = tx.QueryRow(insertLayer, layer.Name, layer.EngineVersion, parentID).
Scan(&layer.ID)
if err != nil {
tx.Rollback()
if isErrUniqueViolation(err) {
// Ignore this error, another process collided.
log.Debug("Attempted to insert duplicate layer.")
return nil
}
return handleError("insertLayer", err)
}
} else {
// Update an existing layer.
_, err = tx.Exec(updateLayer, layer.ID, layer.EngineVersion)
if err != nil {
tx.Rollback()
return handleError("updateLayer", err)
}
// replace the old namespace in the database
_, err := tx.Exec(removeLayerNamespace, layer.ID)
if err != nil {
tx.Rollback()
return handleError("removeLayerNamespace", err)
}
// Remove all existing Layer_diff_FeatureVersion.
_, err = tx.Exec(removeLayerDiffFeatureVersion, layer.ID)
if err != nil {
tx.Rollback()
return handleError("removeLayerDiffFeatureVersion", err)
}
}
// insert the layer's namespaces
stmt, err := tx.Prepare(insertLayerNamespace)
if err != nil {
tx.Rollback()
return handleError("failed to prepare statement", err)
}
defer func() {
err = stmt.Close()
if err != nil {
tx.Rollback()
log.WithError(err).Error("failed to close prepared statement")
}
}()
for nsid := range namespaceIDs {
_, err := stmt.Exec(layer.ID, nsid)
if err != nil {
tx.Rollback()
return handleError("insertLayerNamespace", err)
}
}
// Update Layer_diff_FeatureVersion now.
err = pgSQL.updateDiffFeatureVersions(tx, &layer, &existingLayer)
if err != nil {
tx.Rollback()
return err
}
// Commit transaction.
err = tx.Commit()
if err != nil {
tx.Rollback()
return handleError("InsertLayer.Commit()", err)
}
return nil
}
func (pgSQL *pgSQL) updateDiffFeatureVersions(tx *sql.Tx, layer, existingLayer *database.Layer) error {
// add and del are the FeatureVersion diff we should insert.
var add []database.FeatureVersion
var del []database.FeatureVersion
if layer.Parent == nil {
// There is no parent, every Features are added.
add = append(add, layer.Features...)
} else if layer.Parent != nil {
// There is a parent, we need to diff the Features with it.
// Build name:version structures.
layerFeaturesMapNV, layerFeaturesNV := createNV(layer.Features)
parentLayerFeaturesMapNV, parentLayerFeaturesNV := createNV(layer.Parent.Features)
// Calculate the added and deleted FeatureVersions name:version.
addNV := compareStringLists(layerFeaturesNV, parentLayerFeaturesNV)
delNV := compareStringLists(parentLayerFeaturesNV, layerFeaturesNV)
// Fill the structures containing the added and deleted FeatureVersions.
for _, nv := range addNV {
add = append(add, *layerFeaturesMapNV[nv])
}
for _, nv := range delNV {
del = append(del, *parentLayerFeaturesMapNV[nv])
}
}
// Insert FeatureVersions in the database.
addIDs, err := pgSQL.insertFeatureVersions(add)
if err != nil {
return err
}
delIDs, err := pgSQL.insertFeatureVersions(del)
if err != nil {
return err
}
// Insert diff in the database.
if len(addIDs) > 0 {
_, err = tx.Exec(insertLayerDiffFeatureVersion, layer.ID, "add", buildInputArray(addIDs))
if err != nil {
return handleError("insertLayerDiffFeatureVersion.Add", err)
}
}
if len(delIDs) > 0 {
_, err = tx.Exec(insertLayerDiffFeatureVersion, layer.ID, "del", buildInputArray(delIDs))
if err != nil {
return handleError("insertLayerDiffFeatureVersion.Del", err)
}
}
return nil
}
func createNV(features []database.FeatureVersion) (map[string]*database.FeatureVersion, []string) {
mapNV := make(map[string]*database.FeatureVersion, 0)
sliceNV := make([]string, 0, len(features))
for i := 0; i < len(features); i++ {
fv := &features[i]
nv := strings.Join([]string{fv.Feature.Namespace.Name, fv.Feature.Name, fv.Version}, ":")
mapNV[nv] = fv
sliceNV = append(sliceNV, nv)
}
return mapNV, sliceNV
}
func (pgSQL *pgSQL) DeleteLayer(name string) error {
defer observeQueryTime("DeleteLayer", "all", time.Now())
result, err := pgSQL.Exec(removeLayer, name)
if err != nil {
return handleError("removeLayer", err)
}
affected, err := result.RowsAffected()
if err != nil {
return handleError("removeLayer.RowsAffected()", err)
}
if affected <= 0 {
return commonerr.ErrNotFound
}
return nil
return layer, processors, layerID, true, nil
}

469
database/pgsql/layer_test.go
View File

@ -15,423 +15,100 @@
package pgsql
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/commonerr"
)
func TestPersistLayer(t *testing.T) {
datastore, tx := openSessionForTest(t, "PersistLayer", false)
defer closeTest(t, datastore, tx)
l1 := database.Layer{}
l2 := database.Layer{Hash: "HESOYAM"}
// invalid
assert.NotNil(t, tx.PersistLayer(l1))
// valid
assert.Nil(t, tx.PersistLayer(l2))
// duplicated
assert.Nil(t, tx.PersistLayer(l2))
}
func TestPersistLayerProcessors(t *testing.T) {
datastore, tx := openSessionForTest(t, "PersistLayerProcessors", true)
defer closeTest(t, datastore, tx)
// invalid
assert.NotNil(t, tx.PersistLayerContent("hash", []database.Namespace{}, []database.Feature{}, database.Processors{}))
// valid
assert.Nil(t, tx.PersistLayerContent("layer-4", []database.Namespace{}, []database.Feature{}, database.Processors{Detectors: []string{"new detector!"}}))
}
func TestFindLayer(t *testing.T) {
datastore, err := openDatabaseForTest("FindLayer", true)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
datastore, tx := openSessionForTest(t, "FindLayer", true)
defer closeTest(t, datastore, tx)
// Layer-0: no parent, no namespace, no feature, no vulnerability
layer, err := datastore.FindLayer("layer-0", false, false)
if assert.Nil(t, err) && assert.NotNil(t, layer) {
assert.Equal(t, "layer-0", layer.Name)
assert.Len(t, layer.Namespaces, 0)
assert.Nil(t, layer.Parent)
assert.Equal(t, 1, layer.EngineVersion)
assert.Len(t, layer.Features, 0)
expected := database.Layer{Hash: "layer-4"}
expectedProcessors := database.Processors{
Detectors: []string{"os-release", "apt-sources"},
Listers: []string{"dpkg", "rpm"},
}
layer, err = datastore.FindLayer("layer-0", true, false)
if assert.Nil(t, err) && assert.NotNil(t, layer) {
assert.Len(t, layer.Features, 0)
}
// Layer-1: one parent, adds two features, one vulnerability
layer, err = datastore.FindLayer("layer-1", false, false)
if assert.Nil(t, err) && assert.NotNil(t, layer) {
assert.Equal(t, layer.Name, "layer-1")
assertExpectedNamespaceName(t, &layer, []string{"debian:7"})
if assert.NotNil(t, layer.Parent) {
assert.Equal(t, "layer-0", layer.Parent.Name)
}
assert.Equal(t, 1, layer.EngineVersion)
assert.Len(t, layer.Features, 0)
}
layer, err = datastore.FindLayer("layer-1", true, false)
if assert.Nil(t, err) && assert.NotNil(t, layer) && assert.Len(t, layer.Features, 2) {
for _, featureVersion := range layer.Features {
assert.Equal(t, "debian:7", featureVersion.Feature.Namespace.Name)
switch featureVersion.Feature.Name {
case "wechat":
assert.Equal(t, "0.5", featureVersion.Version)
case "openssl":
assert.Equal(t, "1.0", featureVersion.Version)
default:
t.Errorf("unexpected package %s for layer-1", featureVersion.Feature.Name)
}
}
}
layer, err = datastore.FindLayer("layer-1", true, true)
if assert.Nil(t, err) && assert.NotNil(t, layer) && assert.Len(t, layer.Features, 2) {
for _, featureVersion := range layer.Features {
assert.Equal(t, "debian:7", featureVersion.Feature.Namespace.Name)
switch featureVersion.Feature.Name {
case "wechat":
assert.Equal(t, "0.5", featureVersion.Version)
case "openssl":
assert.Equal(t, "1.0", featureVersion.Version)
if assert.Len(t, featureVersion.AffectedBy, 1) {
assert.Equal(t, "debian:7", featureVersion.AffectedBy[0].Namespace.Name)
assert.Equal(t, "CVE-OPENSSL-1-DEB7", featureVersion.AffectedBy[0].Name)
assert.Equal(t, database.HighSeverity, featureVersion.AffectedBy[0].Severity)
assert.Equal(t, "A vulnerability affecting OpenSSL < 2.0 on Debian 7.0", featureVersion.AffectedBy[0].Description)
assert.Equal(t, "http://google.com/#q=CVE-OPENSSL-1-DEB7", featureVersion.AffectedBy[0].Link)
assert.Equal(t, "2.0", featureVersion.AffectedBy[0].FixedBy)
}
default:
t.Errorf("unexpected package %s for layer-1", featureVersion.Feature.Name)
}
}
}
// Testing Multiple namespaces layer-3b has debian:7 and debian:8 namespaces
layer, err = datastore.FindLayer("layer-3b", true, true)
if assert.Nil(t, err) && assert.NotNil(t, layer) && assert.Len(t, layer.Features, 2) {
assert.Equal(t, "layer-3b", layer.Name)
// validate the namespace
assertExpectedNamespaceName(t, &layer, []string{"debian:7", "debian:8"})
for _, featureVersion := range layer.Features {
switch featureVersion.Feature.Namespace.Name {
case "debian:7":
assert.Equal(t, "wechat", featureVersion.Feature.Name)
assert.Equal(t, "0.5", featureVersion.Version)
case "debian:8":
assert.Equal(t, "openssl", featureVersion.Feature.Name)
assert.Equal(t, "1.0", featureVersion.Version)
default:
t.Errorf("unexpected package %s for layer-3b", featureVersion.Feature.Name)
}
}
}
}
func TestInsertLayer(t *testing.T) {
datastore, err := openDatabaseForTest("InsertLayer", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
// Insert invalid layer.
testInsertLayerInvalid(t, datastore)
// Insert a layer tree.
testInsertLayerTree(t, datastore)
// Update layer.
testInsertLayerUpdate(t, datastore)
// Delete layer.
testInsertLayerDelete(t, datastore)
}
func testInsertLayerInvalid(t *testing.T, datastore database.Datastore) {
invalidLayers := []database.Layer{
{},
{Name: "layer0", Parent: &database.Layer{}},
{Name: "layer0", Parent: &database.Layer{Name: "UnknownLayer"}},
}
for _, invalidLayer := range invalidLayers {
err := datastore.InsertLayer(invalidLayer)
assert.Error(t, err)
}
}
func testInsertLayerTree(t *testing.T, datastore database.Datastore) {
f1 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace2",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature1",
},
Version: "1.0",
}
f2 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace2",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature2",
},
Version: "0.34",
}
f3 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace2",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature3",
},
Version: "0.56",
}
f4 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace3",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature2",
},
Version: "0.34",
}
f5 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace3",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature3",
},
Version: "0.56",
}
f6 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace3",
VersionFormat: dpkg.ParserName,
},
Name: "TestInsertLayerFeature4",
},
Version: "0.666",
}
layers := []database.Layer{
{
Name: "TestInsertLayer1",
},
{
Name: "TestInsertLayer2",
Parent: &database.Layer{Name: "TestInsertLayer1"},
Namespaces: []database.Namespace{database.Namespace{
Name: "TestInsertLayerNamespace1",
VersionFormat: dpkg.ParserName,
}},
},
// This layer changes the namespace and adds Features.
{
Name: "TestInsertLayer3",
Parent: &database.Layer{Name: "TestInsertLayer2"},
Namespaces: []database.Namespace{database.Namespace{
Name: "TestInsertLayerNamespace2",
VersionFormat: dpkg.ParserName,
}},
Features: []database.FeatureVersion{f1, f2, f3},
},
// This layer covers the case where the last layer doesn't provide any new Feature.
{
Name: "TestInsertLayer4a",
Parent: &database.Layer{Name: "TestInsertLayer3"},
Features: []database.FeatureVersion{f1, f2, f3},
},
// This layer covers the case where the last layer provides Features.
// It also modifies the Namespace ("upgrade") but keeps some Features not upgraded, their
// Namespaces should then remain unchanged.
{
Name: "TestInsertLayer4b",
Parent: &database.Layer{Name: "TestInsertLayer3"},
Namespaces: []database.Namespace{database.Namespace{
Name: "TestInsertLayerNamespace3",
VersionFormat: dpkg.ParserName,
}},
Features: []database.FeatureVersion{
// Deletes TestInsertLayerFeature1.
// Keep TestInsertLayerFeature2 (old Namespace should be kept):
f4,
// Upgrades TestInsertLayerFeature3 (with new Namespace):
f5,
// Adds TestInsertLayerFeature4:
f6,
},
},
}
var err error
retrievedLayers := make(map[string]database.Layer)
for _, layer := range layers {
if layer.Parent != nil {
// Retrieve from database its parent and assign.
parent := retrievedLayers[layer.Parent.Name]
layer.Parent = &parent
}
err = datastore.InsertLayer(layer)
// invalid
_, _, _, err := tx.FindLayer("")
assert.NotNil(t, err)
_, _, ok, err := tx.FindLayer("layer-non")
assert.Nil(t, err)
assert.False(t, ok)
retrievedLayers[layer.Name], err = datastore.FindLayer(layer.Name, true, false)
assert.Nil(t, err)
}
// layer inherits all namespaces from its ancestries
l4a := retrievedLayers["TestInsertLayer4a"]
assertExpectedNamespaceName(t, &l4a, []string{"TestInsertLayerNamespace2", "TestInsertLayerNamespace1"})
assert.Len(t, l4a.Features, 3)
for _, featureVersion := range l4a.Features {
if cmpFV(featureVersion, f1) && cmpFV(featureVersion, f2) && cmpFV(featureVersion, f3) {
assert.Error(t, fmt.Errorf("TestInsertLayer4a contains an unexpected package: %#v. Should contain %#v and %#v and %#v.", featureVersion, f1, f2, f3))
}
}
l4b := retrievedLayers["TestInsertLayer4b"]
assertExpectedNamespaceName(t, &l4b, []string{"TestInsertLayerNamespace1", "TestInsertLayerNamespace2", "TestInsertLayerNamespace3"})
assert.Len(t, l4b.Features, 3)
for _, featureVersion := range l4b.Features {
if cmpFV(featureVersion, f2) && cmpFV(featureVersion, f5) && cmpFV(featureVersion, f6) {
assert.Error(t, fmt.Errorf("TestInsertLayer4a contains an unexpected package: %#v. Should contain %#v and %#v and %#v.", featureVersion, f2, f4, f6))
}
// valid
layer, processors, ok2, err := tx.FindLayer("layer-4")
if assert.Nil(t, err) && assert.True(t, ok2) {
assert.Equal(t, expected, layer)
assertProcessorsEqual(t, expectedProcessors, processors)
}
}
func testInsertLayerUpdate(t *testing.T, datastore database.Datastore) {
f7 := database.FeatureVersion{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "TestInsertLayerNamespace3",
VersionFormat: dpkg.ParserName,
func TestFindLayerWithContent(t *testing.T) {
datastore, tx := openSessionForTest(t, "FindLayerWithContent", true)
defer closeTest(t, datastore, tx)
_, _, err := tx.FindLayerWithContent("")
assert.NotNil(t, err)
_, ok, err := tx.FindLayerWithContent("layer-non")
assert.Nil(t, err)
assert.False(t, ok)
expectedL := database.LayerWithContent{
Layer: database.Layer{
Hash: "layer-4",
},
Name: "TestInsertLayerFeature7",
Features: []database.Feature{
{Name: "fake", Version: "2.0", VersionFormat: "rpm"},
{Name: "openssl", Version: "2.0", VersionFormat: "dpkg"},
},
Namespaces: []database.Namespace{
{Name: "debian:7", VersionFormat: "dpkg"},
{Name: "fake:1.0", VersionFormat: "rpm"},
},
ProcessedBy: database.Processors{
Detectors: []string{"os-release", "apt-sources"},
Listers: []string{"dpkg", "rpm"},
},
Version: "0.01",
}
l3, _ := datastore.FindLayer("TestInsertLayer3", true, false)
l3u := database.Layer{
Name: l3.Name,
Parent: l3.Parent,
Namespaces: []database.Namespace{database.Namespace{
Name: "TestInsertLayerNamespaceUpdated1",
VersionFormat: dpkg.ParserName,
}},
Features: []database.FeatureVersion{f7},
}
l4u := database.Layer{
Name: "TestInsertLayer4",
Parent: &database.Layer{Name: "TestInsertLayer3"},
Features: []database.FeatureVersion{f7},
EngineVersion: 2,
}
// Try to re-insert without increasing the EngineVersion.
err := datastore.InsertLayer(l3u)
assert.Nil(t, err)
l3uf, err := datastore.FindLayer(l3u.Name, true, false)
if assert.Nil(t, err) {
assertSameNamespaceName(t, &l3, &l3uf)
assert.Equal(t, l3.EngineVersion, l3uf.EngineVersion)
assert.Len(t, l3uf.Features, len(l3.Features))
}
// Update layer l3.
// Verify that the Namespace, EngineVersion and FeatureVersions got updated.
l3u.EngineVersion = 2
err = datastore.InsertLayer(l3u)
assert.Nil(t, err)
l3uf, err = datastore.FindLayer(l3u.Name, true, false)
if assert.Nil(t, err) {
assertSameNamespaceName(t, &l3u, &l3uf)
assert.Equal(t, l3u.EngineVersion, l3uf.EngineVersion)
if assert.Len(t, l3uf.Features, 1) {
assert.True(t, cmpFV(l3uf.Features[0], f7), "Updated layer should have %#v but actually have %#v", f7, l3uf.Features[0])
}
}
// Update layer l4.
// Verify that the Namespace got updated from its new Parent's, and also verify the
// EnginVersion and FeatureVersions.
l4u.Parent = &l3uf
err = datastore.InsertLayer(l4u)
assert.Nil(t, err)
l4uf, err := datastore.FindLayer(l3u.Name, true, false)
if assert.Nil(t, err) {
assertSameNamespaceName(t, &l3u, &l4uf)
assert.Equal(t, l4u.EngineVersion, l4uf.EngineVersion)
if assert.Len(t, l4uf.Features, 1) {
assert.True(t, cmpFV(l3uf.Features[0], f7), "Updated layer should have %#v but actually have %#v", f7, l4uf.Features[0])
}
layer, ok2, err := tx.FindLayerWithContent("layer-4")
if assert.Nil(t, err) && assert.True(t, ok2) {
assertLayerWithContentEqual(t, expectedL, layer)
}
}
func assertSameNamespaceName(t *testing.T, layer1 *database.Layer, layer2 *database.Layer) {
assert.Len(t, compareStringLists(extractNamespaceName(layer1), extractNamespaceName(layer2)), 0)
}
func assertExpectedNamespaceName(t *testing.T, layer *database.Layer, expectedNames []string) {
assert.Len(t, compareStringLists(extractNamespaceName(layer), expectedNames), 0)
}
func extractNamespaceName(layer *database.Layer) []string {
slist := make([]string, 0, len(layer.Namespaces))
for _, ns := range layer.Namespaces {
slist = append(slist, ns.Name)
}
return slist
}
func testInsertLayerDelete(t *testing.T, datastore database.Datastore) {
err := datastore.DeleteLayer("TestInsertLayerX")
assert.Equal(t, commonerr.ErrNotFound, err)
// ensure layer_namespace table is cleaned up once a layer is removed
layer3, err := datastore.FindLayer("TestInsertLayer3", false, false)
layer4a, err := datastore.FindLayer("TestInsertLayer4a", false, false)
layer4b, err := datastore.FindLayer("TestInsertLayer4b", false, false)
err = datastore.DeleteLayer("TestInsertLayer3")
assert.Nil(t, err)
_, err = datastore.FindLayer("TestInsertLayer3", false, false)
assert.Equal(t, commonerr.ErrNotFound, err)
assertNotInLayerNamespace(t, layer3.ID, datastore)
_, err = datastore.FindLayer("TestInsertLayer4a", false, false)
assert.Equal(t, commonerr.ErrNotFound, err)
assertNotInLayerNamespace(t, layer4a.ID, datastore)
_, err = datastore.FindLayer("TestInsertLayer4b", true, false)
assert.Equal(t, commonerr.ErrNotFound, err)
assertNotInLayerNamespace(t, layer4b.ID, datastore)
}
func assertNotInLayerNamespace(t *testing.T, layerID int, datastore database.Datastore) {
pg, ok := datastore.(*pgSQL)
if !assert.True(t, ok) {
return
}
tx, err := pg.Begin()
if !assert.Nil(t, err) {
return
}
rows, err := tx.Query(searchLayerNamespace, layerID)
assert.False(t, rows.Next())
}
func cmpFV(a, b database.FeatureVersion) bool {
return a.Feature.Name == b.Feature.Name &&
a.Feature.Namespace.Name == b.Feature.Namespace.Name &&
a.Version == b.Version
func assertLayerWithContentEqual(t *testing.T, expected database.LayerWithContent, actual database.LayerWithContent) bool {
return assert.Equal(t, expected.Layer, actual.Layer) &&
assertFeaturesEqual(t, expected.Features, actual.Features) &&
assertProcessorsEqual(t, expected.ProcessedBy, actual.ProcessedBy) &&
assertNamespacesEqual(t, expected.Namespaces, actual.Namespaces)
}

76
database/pgsql/lock.go
View File

@ -15,6 +15,7 @@
package pgsql
import (
"errors"
"time"
log "github.com/sirupsen/logrus"
@ -22,86 +23,91 @@ import (
"github.com/coreos/clair/pkg/commonerr"
)
var (
errLockNotFound = errors.New("lock is not in database")
)
// Lock tries to set a temporary lock in the database.
//
// Lock does not block, instead, it returns true and its expiration time
// is the lock has been successfully acquired or false otherwise
func (pgSQL *pgSQL) Lock(name string, owner string, duration time.Duration, renew bool) (bool, time.Time) {
// is the lock has been successfully acquired or false otherwise.
func (tx *pgSession) Lock(name string, owner string, duration time.Duration, renew bool) (bool, time.Time, error) {
if name == "" || owner == "" || duration == 0 {
log.Warning("could not create an invalid lock")
return false, time.Time{}
return false, time.Time{}, commonerr.NewBadRequestError("Invalid Lock Parameters")
}
defer observeQueryTime("Lock", "all", time.Now())
// Compute expiration.
until := time.Now().Add(duration)
if renew {
defer observeQueryTime("Lock", "update", time.Now())
// Renew lock.
r, err := pgSQL.Exec(updateLock, name, owner, until)
r, err := tx.Exec(updateLock, name, owner, until)
if err != nil {
handleError("updateLock", err)
return false, until
return false, until, handleError("updateLock", err)
}
if n, _ := r.RowsAffected(); n > 0 {
// Updated successfully.
return true, until
if n, err := r.RowsAffected(); err == nil {
return n > 0, until, nil
}
} else {
// Prune locks.
pgSQL.pruneLocks()
return false, until, handleError("updateLock", err)
} else if err := tx.pruneLocks(); err != nil {
return false, until, err
}
// Lock.
_, err := pgSQL.Exec(insertLock, name, owner, until)
defer observeQueryTime("Lock", "soiLock", time.Now())
_, err := tx.Exec(soiLock, name, owner, until)
if err != nil {
if !isErrUniqueViolation(err) {
handleError("insertLock", err)
if isErrUniqueViolation(err) {
return false, until, nil
}
return false, until
return false, until, handleError("insertLock", err)
}
return true, until
return true, until, nil
}
// Unlock unlocks a lock specified by its name if I own it
func (pgSQL *pgSQL) Unlock(name, owner string) {
func (tx *pgSession) Unlock(name, owner string) error {
if name == "" || owner == "" {
log.Warning("could not delete an invalid lock")
return
return commonerr.NewBadRequestError("Invalid Lock Parameters")
}
defer observeQueryTime("Unlock", "all", time.Now())
pgSQL.Exec(removeLock, name, owner)
_, err := tx.Exec(removeLock, name, owner)
return err
}
// FindLock returns the owner of a lock specified by its name and its
// expiration time.
func (pgSQL *pgSQL) FindLock(name string) (string, time.Time, error) {
func (tx *pgSession) FindLock(name string) (string, time.Time, bool, error) {
if name == "" {
log.Warning("could not find an invalid lock")
return "", time.Time{}, commonerr.NewBadRequestError("could not find an invalid lock")
return "", time.Time{}, false, commonerr.NewBadRequestError("could not find an invalid lock")
}
defer observeQueryTime("FindLock", "all", time.Now())
var owner string
var until time.Time
err := pgSQL.QueryRow(searchLock, name).Scan(&owner, &until)
err := tx.QueryRow(searchLock, name).Scan(&owner, &until)
if err != nil {
return owner, until, handleError("searchLock", err)
return owner, until, false, handleError("searchLock", err)
}
return owner, until, nil
return owner, until, true, nil
}
// pruneLocks removes every expired locks from the database
func (pgSQL *pgSQL) pruneLocks() {
func (tx *pgSession) pruneLocks() error {
defer observeQueryTime("pruneLocks", "all", time.Now())
if _, err := pgSQL.Exec(removeLockExpired); err != nil {
handleError("removeLockExpired", err)
if r, err := tx.Exec(removeLockExpired); err != nil {
return handleError("removeLockExpired", err)
} else if affected, err := r.RowsAffected(); err != nil {
return handleError("removeLockExpired", err)
} else {
log.Debugf("Pruned %d Locks", affected)
}
return nil
}

54
database/pgsql/lock_test.go
View File

@ -22,48 +22,72 @@ import (
)
func TestLock(t *testing.T) {
datastore, err := openDatabaseForTest("InsertNamespace", false)
if err != nil {
t.Error(err)
return
}
datastore, tx := openSessionForTest(t, "Lock", true)
defer datastore.Close()
var l bool
var et time.Time
// Create a first lock.
l, _ = datastore.Lock("test1", "owner1", time.Minute, false)
l, _, err := tx.Lock("test1", "owner1", time.Minute, false)
assert.Nil(t, err)
assert.True(t, l)
tx = restartSession(t, datastore, tx, true)
// Try to lock the same lock with another owner.
l, _ = datastore.Lock("test1", "owner2", time.Minute, true)
// lock again by itself, the previous lock is not expired yet.
l, _, err = tx.Lock("test1", "owner1", time.Minute, false)
assert.Nil(t, err)
assert.False(t, l)
tx = restartSession(t, datastore, tx, false)
l, _ = datastore.Lock("test1", "owner2", time.Minute, false)
// Try to renew the same lock with another owner.
l, _, err = tx.Lock("test1", "owner2", time.Minute, true)
assert.Nil(t, err)
assert.False(t, l)
tx = restartSession(t, datastore, tx, false)
l, _, err = tx.Lock("test1", "owner2", time.Minute, false)
assert.Nil(t, err)
assert.False(t, l)
tx = restartSession(t, datastore, tx, false)
// Renew the lock.
l, _ = datastore.Lock("test1", "owner1", 2*time.Minute, true)
l, _, err = tx.Lock("test1", "owner1", 2*time.Minute, true)
assert.Nil(t, err)
assert.True(t, l)
tx = restartSession(t, datastore, tx, true)
// Unlock and then relock by someone else.
datastore.Unlock("test1", "owner1")
err = tx.Unlock("test1", "owner1")
assert.Nil(t, err)
tx = restartSession(t, datastore, tx, true)
l, et = datastore.Lock("test1", "owner2", time.Minute, false)
l, et, err = tx.Lock("test1", "owner2", time.Minute, false)
assert.Nil(t, err)
assert.True(t, l)
tx = restartSession(t, datastore, tx, true)
// LockInfo
o, et2, err := datastore.FindLock("test1")
o, et2, ok, err := tx.FindLock("test1")
assert.True(t, ok)
assert.Nil(t, err)
assert.Equal(t, "owner2", o)
assert.Equal(t, et.Second(), et2.Second())
tx = restartSession(t, datastore, tx, true)
// Create a second lock which is actually already expired ...
l, _ = datastore.Lock("test2", "owner1", -time.Minute, false)
l, _, err = tx.Lock("test2", "owner1", -time.Minute, false)
assert.Nil(t, err)
assert.True(t, l)
tx = restartSession(t, datastore, tx, true)
// Take over the lock
l, _ = datastore.Lock("test2", "owner2", time.Minute, false)
l, _, err = tx.Lock("test2", "owner2", time.Minute, false)
assert.Nil(t, err)
assert.True(t, l)
tx = restartSession(t, datastore, tx, true)
if !assert.Nil(t, tx.Rollback()) {
t.FailNow()
}
}

53
database/pgsql/migrations/00001_change_migrator.go
View File

@ -1,53 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import (
"database/sql"
"github.com/remind101/migrate"
)
func init() {
// This migration removes the data maintained by the previous migration tool
// (liamstask/goose), and if it was present, mark the 00002_initial_schema
// migration as done.
RegisterMigration(migrate.Migration{
ID: 1,
Up: func(tx *sql.Tx) error {
// Verify that goose was in use before, otherwise skip this migration.
var e bool
err := tx.QueryRow("SELECT true FROM pg_class WHERE relname = $1", "goose_db_version").Scan(&e)
if err == sql.ErrNoRows {
return nil
}
if err != nil {
return err
}
// Delete goose's data.
_, err = tx.Exec("DROP TABLE goose_db_version CASCADE")
if err != nil {
return err
}
// Mark the '00002_initial_schema' as done.
_, err = tx.Exec("INSERT INTO schema_migrations (version) VALUES (2)")
return err
},
Down: migrate.Queries([]string{}),
})
}

192
database/pgsql/migrations/00001_initial_schema.go Normal file
View File

@ -0,0 +1,192 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 1,
Up: migrate.Queries([]string{
// namespaces
`CREATE TABLE IF NOT EXISTS namespace (
id SERIAL PRIMARY KEY,
name TEXT NULL,
version_format TEXT,
UNIQUE (name, version_format));`,
`CREATE INDEX ON namespace(name);`,
// features
`CREATE TABLE IF NOT EXISTS feature (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
version TEXT NOT NULL,
version_format TEXT NOT NULL,
UNIQUE (name, version, version_format));`,
`CREATE INDEX ON feature(name);`,
`CREATE TABLE IF NOT EXISTS namespaced_feature (
id SERIAL PRIMARY KEY,
namespace_id INT REFERENCES namespace,
feature_id INT REFERENCES feature,
UNIQUE (namespace_id, feature_id));`,
// layers
`CREATE TABLE IF NOT EXISTS layer(
id SERIAL PRIMARY KEY,
hash TEXT NOT NULL UNIQUE);`,
`CREATE TABLE IF NOT EXISTS layer_feature (
id SERIAL PRIMARY KEY,
layer_id INT REFERENCES layer ON DELETE CASCADE,
feature_id INT REFERENCES feature ON DELETE CASCADE,
UNIQUE (layer_id, feature_id));`,
`CREATE INDEX ON layer_feature(layer_id);`,
`CREATE TABLE IF NOT EXISTS layer_lister (
id SERIAL PRIMARY KEY,
layer_id INT REFERENCES layer ON DELETE CASCADE,
lister TEXT NOT NULL,
UNIQUE (layer_id, lister));`,
`CREATE INDEX ON layer_lister(layer_id);`,
`CREATE TABLE IF NOT EXISTS layer_detector (
id SERIAL PRIMARY KEY,
layer_id INT REFERENCES layer ON DELETE CASCADE,
detector TEXT,
UNIQUE (layer_id, detector));`,
`CREATE INDEX ON layer_detector(layer_id);`,
`CREATE TABLE IF NOT EXISTS layer_namespace (
id SERIAL PRIMARY KEY,
layer_id INT REFERENCES layer ON DELETE CASCADE,
namespace_id INT REFERENCES namespace ON DELETE CASCADE,
UNIQUE (layer_id, namespace_id));`,
`CREATE INDEX ON layer_namespace(layer_id);`,
// ancestry
`CREATE TABLE IF NOT EXISTS ancestry (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL UNIQUE);`,
`CREATE TABLE IF NOT EXISTS ancestry_layer (
id SERIAL PRIMARY KEY,
ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
ancestry_index INT NOT NULL,
layer_id INT REFERENCES layer ON DELETE RESTRICT,
UNIQUE (ancestry_id, ancestry_index));`,
`CREATE INDEX ON ancestry_layer(ancestry_id);`,
`CREATE TABLE IF NOT EXISTS ancestry_feature (
id SERIAL PRIMARY KEY,
ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
namespaced_feature_id INT REFERENCES namespaced_feature ON DELETE CASCADE,
UNIQUE (ancestry_id, namespaced_feature_id));`,
`CREATE TABLE IF NOT EXISTS ancestry_lister (
id SERIAL PRIMARY KEY,
ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
lister TEXT,
UNIQUE (ancestry_id, lister));`,
`CREATE INDEX ON ancestry_lister(ancestry_id);`,
`CREATE TABLE IF NOT EXISTS ancestry_detector (
id SERIAL PRIMARY KEY,
ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
detector TEXT,
UNIQUE (ancestry_id, detector));`,
`CREATE INDEX ON ancestry_detector(ancestry_id);`,
`CREATE TYPE severity AS ENUM ('Unknown', 'Negligible', 'Low', 'Medium', 'High', 'Critical', 'Defcon1');`,
// vulnerability
`CREATE TABLE IF NOT EXISTS vulnerability (
id SERIAL PRIMARY KEY,
namespace_id INT NOT NULL REFERENCES Namespace,
name TEXT NOT NULL,
description TEXT NULL,
link TEXT NULL,
severity severity NOT NULL,
metadata TEXT NULL,
created_at TIMESTAMP WITH TIME ZONE,
deleted_at TIMESTAMP WITH TIME ZONE NULL);`,
`CREATE INDEX ON vulnerability(namespace_id, name);`,
`CREATE INDEX ON vulnerability(namespace_id);`,
`CREATE TABLE IF NOT EXISTS vulnerability_affected_feature (
id SERIAL PRIMARY KEY,
vulnerability_id INT NOT NULL REFERENCES vulnerability ON DELETE CASCADE,
feature_name TEXT NOT NULL,
affected_version TEXT,
fixedin TEXT);`,
`CREATE INDEX ON vulnerability_affected_feature(vulnerability_id, feature_name);`,
`CREATE TABLE IF NOT EXISTS vulnerability_affected_namespaced_feature(
id SERIAL PRIMARY KEY,
vulnerability_id INT NOT NULL REFERENCES vulnerability ON DELETE CASCADE,
namespaced_feature_id INT NOT NULL REFERENCES namespaced_feature ON DELETE CASCADE,
added_by INT NOT NULL REFERENCES vulnerability_affected_feature ON DELETE CASCADE,
UNIQUE (vulnerability_id, namespaced_feature_id));`,
`CREATE INDEX ON vulnerability_affected_namespaced_feature(namespaced_feature_id);`,
`CREATE TABLE IF NOT EXISTS KeyValue (
id SERIAL PRIMARY KEY,
key TEXT NOT NULL UNIQUE,
value TEXT);`,
`CREATE TABLE IF NOT EXISTS Lock (
id SERIAL PRIMARY KEY,
name VARCHAR(64) NOT NULL UNIQUE,
owner VARCHAR(64) NOT NULL,
until TIMESTAMP WITH TIME ZONE);`,
`CREATE INDEX ON Lock (owner);`,
// Notification
`CREATE TABLE IF NOT EXISTS Vulnerability_Notification (
id SERIAL PRIMARY KEY,
name VARCHAR(64) NOT NULL UNIQUE,
created_at TIMESTAMP WITH TIME ZONE,
notified_at TIMESTAMP WITH TIME ZONE NULL,
deleted_at TIMESTAMP WITH TIME ZONE NULL,
old_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE,
new_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE);`,
`CREATE INDEX ON Vulnerability_Notification (notified_at);`,
}),
Down: migrate.Queries([]string{
`DROP TABLE IF EXISTS
ancestry,
ancestry_layer,
ancestry_feature,
ancestry_detector,
ancestry_lister,
feature,
namespaced_feature,
keyvalue,
layer,
layer_detector,
layer_feature,
layer_lister,
layer_namespace,
lock,
namespace,
vulnerability,
vulnerability_affected_feature,
vulnerability_affected_namespaced_feature,
vulnerability_notification
CASCADE;`,
`DROP TYPE IF EXISTS severity;`,
}),
})
}

128
database/pgsql/migrations/00002_initial_schema.go
View File

@ -1,128 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
// This migration creates the initial Clair's schema.
RegisterMigration(migrate.Migration{
ID: 2,
Up: migrate.Queries([]string{
`CREATE TABLE IF NOT EXISTS Namespace (
id SERIAL PRIMARY KEY,
name VARCHAR(128) NULL);`,
`CREATE TABLE IF NOT EXISTS Layer (
id SERIAL PRIMARY KEY,
name VARCHAR(128) NOT NULL UNIQUE,
engineversion SMALLINT NOT NULL,
parent_id INT NULL REFERENCES Layer ON DELETE CASCADE,
namespace_id INT NULL REFERENCES Namespace,
created_at TIMESTAMP WITH TIME ZONE);`,
`CREATE INDEX ON Layer (parent_id);`,
`CREATE INDEX ON Layer (namespace_id);`,
`CREATE TABLE IF NOT EXISTS Feature (
id SERIAL PRIMARY KEY,
namespace_id INT NOT NULL REFERENCES Namespace,
name VARCHAR(128) NOT NULL,
UNIQUE (namespace_id, name));`,
`CREATE TABLE IF NOT EXISTS FeatureVersion (
id SERIAL PRIMARY KEY,
feature_id INT NOT NULL REFERENCES Feature,
version VARCHAR(128) NOT NULL);`,
`CREATE INDEX ON FeatureVersion (feature_id);`,
`CREATE TYPE modification AS ENUM ('add', 'del');`,
`CREATE TABLE IF NOT EXISTS Layer_diff_FeatureVersion (
id SERIAL PRIMARY KEY,
layer_id INT NOT NULL REFERENCES Layer ON DELETE CASCADE,
featureversion_id INT NOT NULL REFERENCES FeatureVersion,
modification modification NOT NULL,
UNIQUE (layer_id, featureversion_id));`,
`CREATE INDEX ON Layer_diff_FeatureVersion (layer_id);`,
`CREATE INDEX ON Layer_diff_FeatureVersion (featureversion_id);`,
`CREATE INDEX ON Layer_diff_FeatureVersion (featureversion_id, layer_id);`,
`CREATE TYPE severity AS ENUM ('Unknown', 'Negligible', 'Low', 'Medium', 'High', 'Critical', 'Defcon1');`,
`CREATE TABLE IF NOT EXISTS Vulnerability (
id SERIAL PRIMARY KEY,
namespace_id INT NOT NULL REFERENCES Namespace,
name VARCHAR(128) NOT NULL,
description TEXT NULL,
link VARCHAR(128) NULL,
severity severity NOT NULL,
metadata TEXT NULL,
created_at TIMESTAMP WITH TIME ZONE,
deleted_at TIMESTAMP WITH TIME ZONE NULL);`,
`CREATE TABLE IF NOT EXISTS Vulnerability_FixedIn_Feature (
id SERIAL PRIMARY KEY,
vulnerability_id INT NOT NULL REFERENCES Vulnerability ON DELETE CASCADE,
feature_id INT NOT NULL REFERENCES Feature,
version VARCHAR(128) NOT NULL,
UNIQUE (vulnerability_id, feature_id));`,
`CREATE INDEX ON Vulnerability_FixedIn_Feature (feature_id, vulnerability_id);`,
`CREATE TABLE IF NOT EXISTS Vulnerability_Affects_FeatureVersion (
id SERIAL PRIMARY KEY,
vulnerability_id INT NOT NULL REFERENCES Vulnerability ON DELETE CASCADE,
featureversion_id INT NOT NULL REFERENCES FeatureVersion,
fixedin_id INT NOT NULL REFERENCES Vulnerability_FixedIn_Feature ON DELETE CASCADE,
UNIQUE (vulnerability_id, featureversion_id));`,
`CREATE INDEX ON Vulnerability_Affects_FeatureVersion (fixedin_id);`,
`CREATE INDEX ON Vulnerability_Affects_FeatureVersion (featureversion_id, vulnerability_id);`,
`CREATE TABLE IF NOT EXISTS KeyValue (
id SERIAL PRIMARY KEY,
key VARCHAR(128) NOT NULL UNIQUE,
value TEXT);`,
`CREATE TABLE IF NOT EXISTS Lock (
id SERIAL PRIMARY KEY,
name VARCHAR(64) NOT NULL UNIQUE,
owner VARCHAR(64) NOT NULL,
until TIMESTAMP WITH TIME ZONE);`,
`CREATE INDEX ON Lock (owner);`,
`CREATE TABLE IF NOT EXISTS Vulnerability_Notification (
id SERIAL PRIMARY KEY,
name VARCHAR(64) NOT NULL UNIQUE,
created_at TIMESTAMP WITH TIME ZONE,
notified_at TIMESTAMP WITH TIME ZONE NULL,
deleted_at TIMESTAMP WITH TIME ZONE NULL,
old_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE,
new_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE);`,
`CREATE INDEX ON Vulnerability_Notification (notified_at);`,
}),
Down: migrate.Queries([]string{
`DROP TABLE IF EXISTS
Namespace,
Layer,
Feature,
FeatureVersion,
Layer_diff_FeatureVersion,
Vulnerability,
Vulnerability_FixedIn_Feature,
Vulnerability_Affects_FeatureVersion,
Vulnerability_Notification,
KeyValue,
Lock
CASCADE;`,
}),
})
}

35
database/pgsql/migrations/00003_add_indexes.go
View File

@ -1,35 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 3,
Up: migrate.Queries([]string{
`CREATE UNIQUE INDEX namespace_name_key ON Namespace (name);`,
`CREATE INDEX vulnerability_name_idx ON Vulnerability (name);`,
`CREATE INDEX vulnerability_namespace_id_name_idx ON Vulnerability (namespace_id, name);`,
`CREATE UNIQUE INDEX featureversion_feature_id_version_key ON FeatureVersion (feature_id, version);`,
}),
Down: migrate.Queries([]string{
`DROP INDEX namespace_name_key;`,
`DROP INDEX vulnerability_name_idx;`,
`DROP INDEX vulnerability_namespace_id_name_idx;`,
`DROP INDEX featureversion_feature_id_version_key;`,
}),
})
}

29
database/pgsql/migrations/00004_add_index_notification_deleted_at.go
View File

@ -1,29 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 4,
Up: migrate.Queries([]string{
`CREATE INDEX vulnerability_notification_deleted_at_idx ON Vulnerability_Notification (deleted_at);`,
}),
Down: migrate.Queries([]string{
`DROP INDEX vulnerability_notification_deleted_at_idx;`,
}),
})
}

29
database/pgsql/migrations/00005_ldfv_index.go
View File

@ -1,29 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 5,
Up: migrate.Queries([]string{
`CREATE INDEX layer_diff_featureversion_layer_id_modification_idx ON Layer_diff_FeatureVersion (layer_id, modification);`,
}),
Down: migrate.Queries([]string{
`DROP INDEX layer_diff_featureversion_layer_id_modification_idx;`,
}),
})
}

31
database/pgsql/migrations/00006_add_version_format.go
View File

@ -1,31 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 6,
Up: migrate.Queries([]string{
`ALTER TABLE Namespace ADD COLUMN version_format varchar(128);`,
`UPDATE Namespace SET version_format = 'rpm' WHERE name LIKE 'rhel%' OR name LIKE 'centos%' OR name LIKE 'fedora%' OR name LIKE 'amzn%' OR name LIKE 'scientific%' OR name LIKE 'ol%' OR name LIKE 'oracle%';`,
`UPDATE Namespace SET version_format = 'dpkg' WHERE version_format is NULL;`,
}),
Down: migrate.Queries([]string{
`ALTER TABLE Namespace DROP COLUMN version_format;`,
}),
})
}

44
database/pgsql/migrations/00008_add_multiplens.go
View File

@ -1,44 +0,0 @@
// Copyright 2016 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
func init() {
RegisterMigration(migrate.Migration{
ID: 8,
Up: migrate.Queries([]string{
// set on deletion, remove the corresponding rows in database
`CREATE TABLE IF NOT EXISTS Layer_Namespace(
id SERIAL PRIMARY KEY,
layer_id INT REFERENCES Layer(id) ON DELETE CASCADE,
namespace_id INT REFERENCES Namespace(id) ON DELETE CASCADE,
unique(layer_id, namespace_id)
);`,
`CREATE INDEX ON Layer_Namespace (namespace_id);`,
`CREATE INDEX ON Layer_Namespace (layer_id);`,
// move the namespace_id to the table
`INSERT INTO Layer_Namespace (layer_id, namespace_id) SELECT id, namespace_id FROM Layer;`,
// alter the Layer table to remove the column
`ALTER TABLE IF EXISTS Layer DROP namespace_id;`,
}),
Down: migrate.Queries([]string{
`ALTER TABLE IF EXISTS Layer ADD namespace_id INT NULL REFERENCES Namespace;`,
`CREATE INDEX ON Layer (namespace_id);`,
`UPDATE IF EXISTS Layer SET namespace_id = (SELECT lns.namespace_id FROM Layer_Namespace lns WHERE Layer.id = lns.layer_id LIMIT 1);`,
`DROP TABLE IF EXISTS Layer_Namespace;`,
}),
})
}

89
database/pgsql/namespace.go
View File

@ -15,61 +15,82 @@
package pgsql
import (
"time"
"database/sql"
"errors"
"sort"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
)
func (pgSQL *pgSQL) insertNamespace(namespace database.Namespace) (int, error) {
if namespace.Name == "" {
return 0, commonerr.NewBadRequestError("could not find/insert invalid Namespace")
var (
errNamespaceNotFound = errors.New("Requested Namespace is not in database")
)
// PersistNamespaces soi namespaces into database.
func (tx *pgSession) PersistNamespaces(namespaces []database.Namespace) error {
if len(namespaces) == 0 {
return nil
}
if pgSQL.cache != nil {
promCacheQueriesTotal.WithLabelValues("namespace").Inc()
if id, found := pgSQL.cache.Get("namespace:" + namespace.Name); found {
promCacheHitsTotal.WithLabelValues("namespace").Inc()
return id.(int), nil
// Sorting is needed before inserting into database to prevent deadlock.
sort.Slice(namespaces, func(i, j int) bool {
return namespaces[i].Name < namespaces[j].Name &&
namespaces[i].VersionFormat < namespaces[j].VersionFormat
})
keys := make([]interface{}, len(namespaces)*2)
for i, ns := range namespaces {
if ns.Name == "" || ns.VersionFormat == "" {
return commonerr.NewBadRequestError("Empty namespace name or version format is not allowed")
}
keys[i*2] = ns.Name
keys[i*2+1] = ns.VersionFormat
}
// We do `defer observeQueryTime` here because we don't want to observe cached namespaces.
defer observeQueryTime("insertNamespace", "all", time.Now())
var id int
err := pgSQL.QueryRow(soiNamespace, namespace.Name, namespace.VersionFormat).Scan(&id)
_, err := tx.Exec(queryPersistNamespace(len(namespaces)), keys...)
if err != nil {
return 0, handleError("soiNamespace", err)
return handleError("queryPersistNamespace", err)
}
if pgSQL.cache != nil {
pgSQL.cache.Add("namespace:"+namespace.Name, id)
}
return id, nil
return nil
}
func (pgSQL *pgSQL) ListNamespaces() (namespaces []database.Namespace, err error) {
rows, err := pgSQL.Query(listNamespace)
if err != nil {
return namespaces, handleError("listNamespace", err)
func (tx *pgSession) findNamespaceIDs(namespaces []database.Namespace) ([]sql.NullInt64, error) {
if len(namespaces) == 0 {
return nil, nil
}
keys := make([]interface{}, len(namespaces)*2)
nsMap := map[database.Namespace]sql.NullInt64{}
for i, n := range namespaces {
keys[i*2] = n.Name
keys[i*2+1] = n.VersionFormat
nsMap[n] = sql.NullInt64{}
}
rows, err := tx.Query(querySearchNamespace(len(namespaces)), keys...)
if err != nil {
return nil, handleError("searchNamespace", err)
}
defer rows.Close()
var (
id sql.NullInt64
ns database.Namespace
)
for rows.Next() {
var ns database.Namespace
err = rows.Scan(&ns.ID, &ns.Name, &ns.VersionFormat)
err := rows.Scan(&id, &ns.Name, &ns.VersionFormat)
if err != nil {
return namespaces, handleError("listNamespace.Scan()", err)
return nil, handleError("searchNamespace", err)
}
nsMap[ns] = id
}
namespaces = append(namespaces, ns)
}
if err = rows.Err(); err != nil {
return namespaces, handleError("listNamespace.Rows()", err)
ids := make([]sql.NullInt64, len(namespaces))
for i, ns := range namespaces {
ids[i] = nsMap[ns]
}
return namespaces, err
return ids, nil
}

91
database/pgsql/namespace_test.go
View File

@ -15,60 +15,69 @@
package pgsql
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt/dpkg"
)
func TestInsertNamespace(t *testing.T) {
datastore, err := openDatabaseForTest("InsertNamespace", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
func TestPersistNamespaces(t *testing.T) {
datastore, tx := openSessionForTest(t, "PersistNamespaces", false)
defer closeTest(t, datastore, tx)
// Invalid Namespace.
id0, err := datastore.insertNamespace(database.Namespace{})
assert.NotNil(t, err)
assert.Zero(t, id0)
ns1 := database.Namespace{}
ns2 := database.Namespace{Name: "t", VersionFormat: "b"}
// Insert Namespace and ensure we can find it.
id1, err := datastore.insertNamespace(database.Namespace{
Name: "TestInsertNamespace1",
VersionFormat: dpkg.ParserName,
})
assert.Nil(t, err)
id2, err := datastore.insertNamespace(database.Namespace{
Name: "TestInsertNamespace1",
VersionFormat: dpkg.ParserName,
})
assert.Nil(t, err)
assert.Equal(t, id1, id2)
// Empty Case
assert.Nil(t, tx.PersistNamespaces([]database.Namespace{}))
// Invalid Case
assert.NotNil(t, tx.PersistNamespaces([]database.Namespace{ns1}))
// Duplicated Case
assert.Nil(t, tx.PersistNamespaces([]database.Namespace{ns2, ns2}))
// Existing Case
assert.Nil(t, tx.PersistNamespaces([]database.Namespace{ns2}))
nsList := listNamespaces(t, tx)
assert.Len(t, nsList, 1)
assert.Equal(t, ns2, nsList[0])
}
func TestListNamespace(t *testing.T) {
datastore, err := openDatabaseForTest("ListNamespaces", true)
if err != nil {
t.Error(err)
return
func assertNamespacesEqual(t *testing.T, expected []database.Namespace, actual []database.Namespace) bool {
if assert.Len(t, actual, len(expected)) {
has := map[database.Namespace]bool{}
for _, i := range expected {
has[i] = false
}
defer datastore.Close()
namespaces, err := datastore.ListNamespaces()
assert.Nil(t, err)
if assert.Len(t, namespaces, 2) {
for _, namespace := range namespaces {
switch namespace.Name {
case "debian:7", "debian:8":
continue
default:
assert.Error(t, fmt.Errorf("ListNamespaces should not have returned '%s'", namespace.Name))
for _, i := range actual {
has[i] = true
}
for key, v := range has {
if !assert.True(t, v, key.Name+"is expected") {
return false
}
}
return true
}
return false
}
func listNamespaces(t *testing.T, tx *pgSession) []database.Namespace {
rows, err := tx.Query("SELECT name, version_format FROM namespace")
if err != nil {
t.FailNow()
}
defer rows.Close()
namespaces := []database.Namespace{}
for rows.Next() {
var ns database.Namespace
err := rows.Scan(&ns.Name, &ns.VersionFormat)
if err != nil {
t.FailNow()
}
namespaces = append(namespaces, ns)
}
return namespaces
}

421
database/pgsql/notification.go
View File

@ -16,235 +16,320 @@ package pgsql
import (
"database/sql"
"errors"
"time"
"github.com/guregu/null/zero"
"github.com/pborman/uuid"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/database"
"github.com/coreos/clair/pkg/commonerr"
)
// do it in tx so we won't insert/update a vuln without notification and vice-versa.
// name and created doesn't matter.
func createNotification(tx *sql.Tx, oldVulnerabilityID, newVulnerabilityID int) error {
defer observeQueryTime("createNotification", "all", time.Now())
var (
errNotificationNotFound = errors.New("requested notification is not found")
)
// Insert Notification.
oldVulnerabilityNullableID := sql.NullInt64{Int64: int64(oldVulnerabilityID), Valid: oldVulnerabilityID != 0}
newVulnerabilityNullableID := sql.NullInt64{Int64: int64(newVulnerabilityID), Valid: newVulnerabilityID != 0}
_, err := tx.Exec(insertNotification, uuid.New(), oldVulnerabilityNullableID, newVulnerabilityNullableID)
func (tx *pgSession) InsertVulnerabilityNotifications(notifications []database.VulnerabilityNotification) error {
if len(notifications) == 0 {
return nil
}
var (
newVulnIDMap = make(map[database.VulnerabilityID]sql.NullInt64)
oldVulnIDMap = make(map[database.VulnerabilityID]sql.NullInt64)
)
invalidCreationTime := time.Time{}
for _, noti := range notifications {
if noti.Name == "" {
return commonerr.NewBadRequestError("notification should not have empty name")
}
if noti.Created == invalidCreationTime {
return commonerr.NewBadRequestError("notification should not have empty created time")
}
if noti.New != nil {
key := database.VulnerabilityID{
Name: noti.New.Name,
Namespace: noti.New.Namespace.Name,
}
newVulnIDMap[key] = sql.NullInt64{}
}
if noti.Old != nil {
key := database.VulnerabilityID{
Name: noti.Old.Name,
Namespace: noti.Old.Namespace.Name,
}
oldVulnIDMap[key] = sql.NullInt64{}
}
}
var (
newVulnIDs = make([]database.VulnerabilityID, 0, len(newVulnIDMap))
oldVulnIDs = make([]database.VulnerabilityID, 0, len(oldVulnIDMap))
)
for vulnID := range newVulnIDMap {
newVulnIDs = append(newVulnIDs, vulnID)
}
for vulnID := range oldVulnIDMap {
oldVulnIDs = append(oldVulnIDs, vulnID)
}
ids, err := tx.findNotDeletedVulnerabilityIDs(newVulnIDs)
if err != nil {
tx.Rollback()
return handleError("insertNotification", err)
return err
}
for i, id := range ids {
if !id.Valid {
return handleError("findNotDeletedVulnerabilityIDs", errVulnerabilityNotFound)
}
newVulnIDMap[newVulnIDs[i]] = id
}
ids, err = tx.findLatestDeletedVulnerabilityIDs(oldVulnIDs)
if err != nil {
return err
}
for i, id := range ids {
if !id.Valid {
return handleError("findLatestDeletedVulnerabilityIDs", errVulnerabilityNotFound)
}
oldVulnIDMap[oldVulnIDs[i]] = id
}
var (
newVulnID sql.NullInt64
oldVulnID sql.NullInt64
)
keys := make([]interface{}, len(notifications)*4)
for i, noti := range notifications {
if noti.New != nil {
newVulnID = newVulnIDMap[database.VulnerabilityID{
Name: noti.New.Name,
Namespace: noti.New.Namespace.Name,
}]
}
if noti.Old != nil {
oldVulnID = oldVulnIDMap[database.VulnerabilityID{
Name: noti.Old.Name,
Namespace: noti.Old.Namespace.Name,
}]
}
keys[4*i] = noti.Name
keys[4*i+1] = noti.Created
keys[4*i+2] = oldVulnID
keys[4*i+3] = newVulnID
}
// NOTE(Sida): The data is not sorted before inserting into database under
// the fact that there's only one updater running at a time. If there are
// multiple updaters, deadlock may happen.
_, err = tx.Exec(queryInsertNotifications(len(notifications)), keys...)
if err != nil {
return handleError("queryInsertNotifications", err)
}
return nil
}
// Get one available notification name (!locked && !deleted && (!notified || notified_but_timed-out)).
// Does not fill new/old vuln.
func (pgSQL *pgSQL) GetAvailableNotification(renotifyInterval time.Duration) (database.VulnerabilityNotification, error) {
defer observeQueryTime("GetAvailableNotification", "all", time.Now())
before := time.Now().Add(-renotifyInterval)
row := pgSQL.QueryRow(searchNotificationAvailable, before)
notification, err := pgSQL.scanNotification(row, false)
return notification, handleError("searchNotificationAvailable", err)
}
func (pgSQL *pgSQL) GetNotification(name string, limit int, page database.VulnerabilityNotificationPageNumber) (database.VulnerabilityNotification, database.VulnerabilityNotificationPageNumber, error) {
defer observeQueryTime("GetNotification", "all", time.Now())
// Get Notification.
notification, err := pgSQL.scanNotification(pgSQL.QueryRow(searchNotification, name), true)
if err != nil {
return notification, page, handleError("searchNotification", err)
}
// Load vulnerabilities' LayersIntroducingVulnerability.
page.OldVulnerability, err = pgSQL.loadLayerIntroducingVulnerability(
notification.OldVulnerability,
limit,
page.OldVulnerability,
func (tx *pgSession) FindNewNotification(notifiedBefore time.Time) (database.NotificationHook, bool, error) {
var (
notification database.NotificationHook
created zero.Time
notified zero.Time
deleted zero.Time
)
err := tx.QueryRow(searchNotificationAvailable, notifiedBefore).Scan(&notification.Name, &created, &notified, &deleted)
if err != nil {
return notification, page, err
}
page.NewVulnerability, err = pgSQL.loadLayerIntroducingVulnerability(
notification.NewVulnerability,
limit,
page.NewVulnerability,
)
if err != nil {
return notification, page, err
}
return notification, page, nil
}
func (pgSQL *pgSQL) scanNotification(row *sql.Row, hasVulns bool) (database.VulnerabilityNotification, error) {
var notification database.VulnerabilityNotification
var created zero.Time
var notified zero.Time
var deleted zero.Time
var oldVulnerabilityNullableID sql.NullInt64
var newVulnerabilityNullableID sql.NullInt64
// Scan notification.
if hasVulns {
err := row.Scan(
&notification.ID,
&notification.Name,
&created,
&notified,
&deleted,
&oldVulnerabilityNullableID,
&newVulnerabilityNullableID,
)
if err != nil {
return notification, err
}
} else {
err := row.Scan(&notification.ID, &notification.Name, &created, &notified, &deleted)
if err != nil {
return notification, err
if err == sql.ErrNoRows {
return notification, false, nil
}
return notification, false, handleError("searchNotificationAvailable", err)
}
notification.Created = created.Time
notification.Notified = notified.Time
notification.Deleted = deleted.Time
if hasVulns {
if oldVulnerabilityNullableID.Valid {
vulnerability, err := pgSQL.findVulnerabilityByIDWithDeleted(int(oldVulnerabilityNullableID.Int64))
if err != nil {
return notification, err
}
notification.OldVulnerability = &vulnerability
}
if newVulnerabilityNullableID.Valid {
vulnerability, err := pgSQL.findVulnerabilityByIDWithDeleted(int(newVulnerabilityNullableID.Int64))
if err != nil {
return notification, err
}
notification.NewVulnerability = &vulnerability
}
}
return notification, nil
return notification, true, nil
}
// Fills Vulnerability.LayersIntroducingVulnerability.
// limit -1: won't do anything
// limit 0: will just get the startID of the second page
func (pgSQL *pgSQL) loadLayerIntroducingVulnerability(vulnerability *database.Vulnerability, limit, startID int) (int, error) {
tf := time.Now()
if vulnerability == nil {
return -1, nil
}
// A startID equals to -1 means that we reached the end already.
if startID == -1 || limit == -1 {
return -1, nil
}
// Create a transaction to disable hash joins as our experience shows that
// PostgreSQL plans in certain cases a sequential scan and a hash on
// Layer_diff_FeatureVersion for the condition `ldfv.layer_id >= $2 AND
// ldfv.modification = 'add'` before realizing a hash inner join with
// Vulnerability_Affects_FeatureVersion. By disabling explictly hash joins,
// we force PostgreSQL to perform a bitmap index scan with
// `ldfv.featureversion_id = fv.id` on Layer_diff_FeatureVersion, followed by
// a bitmap heap scan on `ldfv.layer_id >= $2 AND ldfv.modification = 'add'`,
// thus avoiding a sequential scan on the biggest database table and
// allowing a small nested loop join instead.
tx, err := pgSQL.Begin()
func (tx *pgSession) findPagedVulnerableAncestries(vulnID int64, limit int, currentPage database.PageNumber) (database.PagedVulnerableAncestries, error) {
vulnPage := database.PagedVulnerableAncestries{Limit: limit}
current := idPageNumber{0}
if currentPage != "" {
var err error
current, err = decryptPage(currentPage, tx.paginationKey)
if err != nil {
return -1, handleError("searchNotificationLayerIntroducingVulnerability.Begin()", err)
return vulnPage, err
}
defer tx.Commit()
_, err = tx.Exec(disableHashJoin)
if err != nil {
log.WithError(err).Warning("searchNotificationLayerIntroducingVulnerability: could not disable hash join")
}
// We do `defer observeQueryTime` here because we don't want to observe invalid calls.
defer observeQueryTime("loadLayerIntroducingVulnerability", "all", tf)
// Query with limit + 1, the last item will be used to know the next starting ID.
rows, err := tx.Query(searchNotificationLayerIntroducingVulnerability,
vulnerability.ID, startID, limit+1)
err := tx.QueryRow(searchVulnerabilityByID, vulnID).Scan(
&vulnPage.Name,
&vulnPage.Description,
&vulnPage.Link,
&vulnPage.Severity,
&vulnPage.Metadata,
&vulnPage.Namespace.Name,
&vulnPage.Namespace.VersionFormat,
)
if err != nil {
return 0, handleError("searchNotificationLayerIntroducingVulnerability", err)
return vulnPage, handleError("searchVulnerabilityByID", err)
}
// the last result is used for the next page's startID
rows, err := tx.Query(searchNotificationVulnerableAncestry, vulnID, current.StartID, limit+1)
if err != nil {
return vulnPage, handleError("searchNotificationVulnerableAncestry", err)
}
defer rows.Close()
var layers []database.Layer
ancestries := []affectedAncestry{}
for rows.Next() {
var layer database.Layer
if err := rows.Scan(&layer.ID, &layer.Name); err != nil {
return -1, handleError("searchNotificationLayerIntroducingVulnerability.Scan()", err)
var ancestry affectedAncestry
err := rows.Scan(&ancestry.id, &ancestry.name)
if err != nil {
return vulnPage, handleError("searchNotificationVulnerableAncestry", err)
}
ancestries = append(ancestries, ancestry)
}
layers = append(layers, layer)
lastIndex := 0
if len(ancestries)-1 < limit {
lastIndex = len(ancestries)
vulnPage.End = true
} else {
// Use the last ancestry's ID as the next PageNumber.
lastIndex = len(ancestries) - 1
vulnPage.Next, err = encryptPage(
idPageNumber{
ancestries[len(ancestries)-1].id,
}, tx.paginationKey)
if err != nil {
return vulnPage, err
}
if err = rows.Err(); err != nil {
return -1, handleError("searchNotificationLayerIntroducingVulnerability.Rows()", err)
}
size := limit
if len(layers) < limit {
size = len(layers)
}
vulnerability.LayersIntroducingVulnerability = layers[:size]
nextID := -1
if len(layers) > limit {
nextID = layers[limit].ID
vulnPage.Affected = map[int]string{}
for _, ancestry := range ancestries[0:lastIndex] {
vulnPage.Affected[int(ancestry.id)] = ancestry.name
}
return nextID, nil
vulnPage.Current, err = encryptPage(current, tx.paginationKey)
if err != nil {
return vulnPage, err
}
return vulnPage, nil
}
func (pgSQL *pgSQL) SetNotificationNotified(name string) error {
defer observeQueryTime("SetNotificationNotified", "all", time.Now())
func (tx *pgSession) FindVulnerabilityNotification(name string, limit int, oldPage database.PageNumber, newPage database.PageNumber) (
database.VulnerabilityNotificationWithVulnerable, bool, error) {
var (
noti database.VulnerabilityNotificationWithVulnerable
oldVulnID sql.NullInt64
newVulnID sql.NullInt64
created zero.Time
notified zero.Time
deleted zero.Time
)
if _, err := pgSQL.Exec(updatedNotificationNotified, name); err != nil {
if name == "" {
return noti, false, commonerr.NewBadRequestError("Empty notification name is not allowed")
}
noti.Name = name
err := tx.QueryRow(searchNotification, name).Scan(&created, &notified,
&deleted, &oldVulnID, &newVulnID)
if err != nil {
if err == sql.ErrNoRows {
return noti, false, nil
}
return noti, false, handleError("searchNotification", err)
}
if created.Valid {
noti.Created = created.Time
}
if notified.Valid {
noti.Notified = notified.Time
}
if deleted.Valid {
noti.Deleted = deleted.Time
}
if oldVulnID.Valid {
page, err := tx.findPagedVulnerableAncestries(oldVulnID.Int64, limit, oldPage)
if err != nil {
return noti, false, err
}
noti.Old = &page
}
if newVulnID.Valid {
page, err := tx.findPagedVulnerableAncestries(newVulnID.Int64, limit, newPage)
if err != nil {
return noti, false, err
}
noti.New = &page
}
return noti, true, nil
}
func (tx *pgSession) MarkNotificationNotified(name string) error {
if name == "" {
return commonerr.NewBadRequestError("Empty notification name is not allowed")
}
r, err := tx.Exec(updatedNotificationNotified, name)
if err != nil {
return handleError("updatedNotificationNotified", err)
}
affected, err := r.RowsAffected()
if err != nil {
return handleError("updatedNotificationNotified", err)
}
if affected <= 0 {
return handleError("updatedNotificationNotified", errNotificationNotFound)
}
return nil
}
func (pgSQL *pgSQL) DeleteNotification(name string) error {
defer observeQueryTime("DeleteNotification", "all", time.Now())
func (tx *pgSession) DeleteNotification(name string) error {
if name == "" {
return commonerr.NewBadRequestError("Empty notification name is not allowed")
}
result, err := pgSQL.Exec(removeNotification, name)
result, err := tx.Exec(removeNotification, name)
if err != nil {
return handleError("removeNotification", err)
}
affected, err := result.RowsAffected()
if err != nil {
return handleError("removeNotification.RowsAffected()", err)
return handleError("removeNotification", err)
}
if affected <= 0 {
return commonerr.ErrNotFound
return handleError("removeNotification", commonerr.ErrNotFound)
}
return nil

362
database/pgsql/notification_test.go
View File

@ -21,211 +21,225 @@ import (
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/commonerr"
)
func TestNotification(t *testing.T) {
datastore, err := openDatabaseForTest("Notification", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
func TestPagination(t *testing.T) {
datastore, tx := openSessionForTest(t, "Pagination", true)
defer closeTest(t, datastore, tx)
// Try to get a notification when there is none.
_, err = datastore.GetAvailableNotification(time.Second)
assert.Equal(t, commonerr.ErrNotFound, err)
// Create some data.
f1 := database.Feature{
Name: "TestNotificationFeature1",
Namespace: database.Namespace{
Name: "TestNotificationNamespace1",
VersionFormat: dpkg.ParserName,
},
ns := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
f2 := database.Feature{
Name: "TestNotificationFeature2",
Namespace: database.Namespace{
Name: "TestNotificationNamespace1",
VersionFormat: dpkg.ParserName,
},
vNew := database.Vulnerability{
Namespace: ns,
Name: "CVE-OPENSSL-1-DEB7",
Description: "A vulnerability affecting OpenSSL < 2.0 on Debian 7.0",
Link: "http://google.com/#q=CVE-OPENSSL-1-DEB7",
Severity: database.HighSeverity,
}
l1 := database.Layer{
Name: "TestNotificationLayer1",
Features: []database.FeatureVersion{
{
Feature: f1,
Version: "0.1",
},
},
vOld := database.Vulnerability{
Namespace: ns,
Name: "CVE-NOPE",
Description: "A vulnerability affecting nothing",
Severity: database.UnknownSeverity,
}
l2 := database.Layer{
Name: "TestNotificationLayer2",
Features: []database.FeatureVersion{
{
Feature: f1,
Version: "0.2",
},
},
noti, ok, err := tx.FindVulnerabilityNotification("test", 1, "", "")
oldPage := database.PagedVulnerableAncestries{
Vulnerability: vOld,
Limit: 1,
Affected: make(map[int]string),
End: true,
}
l3 := database.Layer{
Name: "TestNotificationLayer3",
Features: []database.FeatureVersion{
{
Feature: f1,
Version: "0.3",
},
},
newPage1 := database.PagedVulnerableAncestries{
Vulnerability: vNew,
Limit: 1,
Affected: map[int]string{3: "ancestry-3"},
End: false,
}
l4 := database.Layer{
Name: "TestNotificationLayer4",
Features: []database.FeatureVersion{
{
Feature: f2,
Version: "0.1",
},
},
newPage2 := database.PagedVulnerableAncestries{
Vulnerability: vNew,
Limit: 1,
Affected: map[int]string{4: "ancestry-4"},
Next: "",
End: true,
}
if !assert.Nil(t, datastore.InsertLayer(l1)) ||
!assert.Nil(t, datastore.InsertLayer(l2)) ||
!assert.Nil(t, datastore.InsertLayer(l3)) ||
!assert.Nil(t, datastore.InsertLayer(l4)) {
return
if assert.Nil(t, err) && assert.True(t, ok) {
assert.Equal(t, "test", noti.Name)
if assert.NotNil(t, noti.Old) && assert.NotNil(t, noti.New) {
oldPageNum, err := decryptPage(noti.Old.Current, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
// Insert a new vulnerability that is introduced by three layers.
v1 := database.Vulnerability{
Name: "TestNotificationVulnerability1",
Namespace: f1.Namespace,
Description: "TestNotificationDescription1",
Link: "TestNotificationLink1",
Severity: "Unknown",
FixedIn: []database.FeatureVersion{
{
Feature: f1,
Version: "1.0",
},
},
assert.Equal(t, int64(0), oldPageNum.StartID)
newPageNum, err := decryptPage(noti.New.Current, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
assert.Nil(t, datastore.insertVulnerability(v1, false, true))
// Get the notification associated to the previously inserted vulnerability.
notification, err := datastore.GetAvailableNotification(time.Second)
if assert.Nil(t, err) && assert.NotEmpty(t, notification.Name) {
// Verify the renotify behaviour.
if assert.Nil(t, datastore.SetNotificationNotified(notification.Name)) {
_, err := datastore.GetAvailableNotification(time.Second)
assert.Equal(t, commonerr.ErrNotFound, err)
time.Sleep(50 * time.Millisecond)
notificationB, err := datastore.GetAvailableNotification(20 * time.Millisecond)
assert.Nil(t, err)
assert.Equal(t, notification.Name, notificationB.Name)
datastore.SetNotificationNotified(notification.Name)
newPageNextNum, err := decryptPage(noti.New.Next, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
assert.Equal(t, int64(0), newPageNum.StartID)
assert.Equal(t, int64(4), newPageNextNum.StartID)
// Get notification.
filledNotification, nextPage, err := datastore.GetNotification(notification.Name, 2, database.VulnerabilityNotificationFirstPage)
if assert.Nil(t, err) {
assert.NotEqual(t, database.NoVulnerabilityNotificationPage, nextPage)
assert.Nil(t, filledNotification.OldVulnerability)
if assert.NotNil(t, filledNotification.NewVulnerability) {
assert.Equal(t, v1.Name, filledNotification.NewVulnerability.Name)
assert.Len(t, filledNotification.NewVulnerability.LayersIntroducingVulnerability, 2)
noti.Old.Current = ""
noti.New.Current = ""
noti.New.Next = ""
assert.Equal(t, oldPage, *noti.Old)
assert.Equal(t, newPage1, *noti.New)
}
}
// Get second page.
filledNotification, nextPage, err = datastore.GetNotification(notification.Name, 2, nextPage)
if assert.Nil(t, err) {
assert.Equal(t, database.NoVulnerabilityNotificationPage, nextPage)
assert.Nil(t, filledNotification.OldVulnerability)
if assert.NotNil(t, filledNotification.NewVulnerability) {
assert.Equal(t, v1.Name, filledNotification.NewVulnerability.Name)
assert.Len(t, filledNotification.NewVulnerability.LayersIntroducingVulnerability, 1)
}
page1, err := encryptPage(idPageNumber{0}, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
// Delete notification.
assert.Nil(t, datastore.DeleteNotification(notification.Name))
_, err = datastore.GetAvailableNotification(time.Millisecond)
assert.Equal(t, commonerr.ErrNotFound, err)
page2, err := encryptPage(idPageNumber{4}, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
// Update a vulnerability and ensure that the old/new vulnerabilities are correct.
v1b := v1
v1b.Severity = database.HighSeverity
v1b.FixedIn = []database.FeatureVersion{
{
Feature: f1,
Version: versionfmt.MinVersion,
},
{
Feature: f2,
Version: versionfmt.MaxVersion,
},
noti, ok, err = tx.FindVulnerabilityNotification("test", 1, page1, page2)
if assert.Nil(t, err) && assert.True(t, ok) {
assert.Equal(t, "test", noti.Name)
if assert.NotNil(t, noti.Old) && assert.NotNil(t, noti.New) {
oldCurrentPage, err := decryptPage(noti.Old.Current, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
if assert.Nil(t, datastore.insertVulnerability(v1b, false, true)) {
notification, err = datastore.GetAvailableNotification(time.Second)
assert.Nil(t, err)
assert.NotEmpty(t, notification.Name)
if assert.Nil(t, err) && assert.NotEmpty(t, notification.Name) {
filledNotification, nextPage, err := datastore.GetNotification(notification.Name, 2, database.VulnerabilityNotificationFirstPage)
if assert.Nil(t, err) {
if assert.NotNil(t, filledNotification.OldVulnerability) {
assert.Equal(t, v1.Name, filledNotification.OldVulnerability.Name)
assert.Equal(t, v1.Severity, filledNotification.OldVulnerability.Severity)
assert.Len(t, filledNotification.OldVulnerability.LayersIntroducingVulnerability, 2)
newCurrentPage, err := decryptPage(noti.New.Current, tx.paginationKey)
if !assert.Nil(t, err) {
assert.FailNow(t, "")
}
if assert.NotNil(t, filledNotification.NewVulnerability) {
assert.Equal(t, v1b.Name, filledNotification.NewVulnerability.Name)
assert.Equal(t, v1b.Severity, filledNotification.NewVulnerability.Severity)
assert.Len(t, filledNotification.NewVulnerability.LayersIntroducingVulnerability, 1)
}
assert.Equal(t, -1, nextPage.NewVulnerability)
}
assert.Nil(t, datastore.DeleteNotification(notification.Name))
}
}
// Delete a vulnerability and verify the notification.
if assert.Nil(t, datastore.DeleteVulnerability(v1b.Namespace.Name, v1b.Name)) {
notification, err = datastore.GetAvailableNotification(time.Second)
assert.Nil(t, err)
assert.NotEmpty(t, notification.Name)
if assert.Nil(t, err) && assert.NotEmpty(t, notification.Name) {
filledNotification, _, err := datastore.GetNotification(notification.Name, 2, database.VulnerabilityNotificationFirstPage)
if assert.Nil(t, err) {
assert.Nil(t, filledNotification.NewVulnerability)
if assert.NotNil(t, filledNotification.OldVulnerability) {
assert.Equal(t, v1b.Name, filledNotification.OldVulnerability.Name)
assert.Equal(t, v1b.Severity, filledNotification.OldVulnerability.Severity)
assert.Len(t, filledNotification.OldVulnerability.LayersIntroducingVulnerability, 1)
}
}
assert.Nil(t, datastore.DeleteNotification(notification.Name))
assert.Equal(t, int64(0), oldCurrentPage.StartID)
assert.Equal(t, int64(4), newCurrentPage.StartID)
noti.Old.Current = ""
noti.New.Current = ""
assert.Equal(t, oldPage, *noti.Old)
assert.Equal(t, newPage2, *noti.New)
}
}
}
func TestInsertVulnerabilityNotifications(t *testing.T) {
datastore, tx := openSessionForTest(t, "InsertVulnerabilityNotifications", true)
n1 := database.VulnerabilityNotification{}
n3 := database.VulnerabilityNotification{
NotificationHook: database.NotificationHook{
Name: "random name",
Created: time.Now(),
},
Old: nil,
New: &database.Vulnerability{},
}
n4 := database.VulnerabilityNotification{
NotificationHook: database.NotificationHook{
Name: "random name",
Created: time.Now(),
},
Old: nil,
New: &database.Vulnerability{
Name: "CVE-OPENSSL-1-DEB7",
Namespace: database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
},
},
}
// invalid case
err := tx.InsertVulnerabilityNotifications([]database.VulnerabilityNotification{n1})
assert.NotNil(t, err)
// invalid case: unknown vulnerability
err = tx.InsertVulnerabilityNotifications([]database.VulnerabilityNotification{n3})
assert.NotNil(t, err)
// invalid case: duplicated input notification
err = tx.InsertVulnerabilityNotifications([]database.VulnerabilityNotification{n4, n4})
assert.NotNil(t, err)
tx = restartSession(t, datastore, tx, false)
// valid case
err = tx.InsertVulnerabilityNotifications([]database.VulnerabilityNotification{n4})
assert.Nil(t, err)
// invalid case: notification is already in database
err = tx.InsertVulnerabilityNotifications([]database.VulnerabilityNotification{n4})
assert.NotNil(t, err)
closeTest(t, datastore, tx)
}
func TestFindNewNotification(t *testing.T) {
datastore, tx := openSessionForTest(t, "FindNewNotification", true)
defer closeTest(t, datastore, tx)
noti, ok, err := tx.FindNewNotification(time.Now())
if assert.Nil(t, err) && assert.True(t, ok) {
assert.Equal(t, "test", noti.Name)
assert.Equal(t, time.Time{}, noti.Notified)
assert.Equal(t, time.Time{}, noti.Created)
assert.Equal(t, time.Time{}, noti.Deleted)
}
// can't find the notified
assert.Nil(t, tx.MarkNotificationNotified("test"))
// if the notified time is before
noti, ok, err = tx.FindNewNotification(time.Now().Add(-time.Duration(10 * time.Second)))
assert.Nil(t, err)
assert.False(t, ok)
// can find the notified after a period of time
noti, ok, err = tx.FindNewNotification(time.Now().Add(time.Duration(1000)))
if assert.Nil(t, err) && assert.True(t, ok) {
assert.Equal(t, "test", noti.Name)
assert.NotEqual(t, time.Time{}, noti.Notified)
assert.Equal(t, time.Time{}, noti.Created)
assert.Equal(t, time.Time{}, noti.Deleted)
}
assert.Nil(t, tx.DeleteNotification("test"))
// can't find in any time
noti, ok, err = tx.FindNewNotification(time.Now().Add(-time.Duration(1000)))
assert.Nil(t, err)
assert.False(t, ok)
noti, ok, err = tx.FindNewNotification(time.Now().Add(time.Duration(1000)))
assert.Nil(t, err)
assert.False(t, ok)
}
func TestMarkNotificationNotified(t *testing.T) {
datastore, tx := openSessionForTest(t, "MarkNotificationNotified", true)
defer closeTest(t, datastore, tx)
// invalid case: notification doesn't exist
assert.NotNil(t, tx.MarkNotificationNotified("non-existing"))
// valid case
assert.Nil(t, tx.MarkNotificationNotified("test"))
// valid case
assert.Nil(t, tx.MarkNotificationNotified("test"))
}
func TestDeleteNotification(t *testing.T) {
datastore, tx := openSessionForTest(t, "DeleteNotification", true)
defer closeTest(t, datastore, tx)
// invalid case: notification doesn't exist
assert.NotNil(t, tx.DeleteNotification("non-existing"))
// valid case
assert.Nil(t, tx.DeleteNotification("test"))
// invalid case: notification is already deleted
assert.NotNil(t, tx.DeleteNotification("test"))
}

74
database/pgsql/pgsql.go
View File

@ -31,6 +31,7 @@ import (
"github.com/remind101/migrate"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/api/token"
"github.com/coreos/clair/database"
"github.com/coreos/clair/database/pgsql/migrations"
"github.com/coreos/clair/pkg/commonerr"
@ -59,7 +60,7 @@ var (
promConcurrentLockVAFV = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "clair_pgsql_concurrent_lock_vafv_total",
Help: "Number of transactions trying to hold the exclusive Vulnerability_Affects_FeatureVersion lock.",
Help: "Number of transactions trying to hold the exclusive Vulnerability_Affects_Feature lock.",
})
)
@ -73,17 +74,65 @@ func init() {
database.Register("pgsql", openDatabase)
}
type Queryer interface {
Query(query string, args ...interface{}) (*sql.Rows, error)
QueryRow(query string, args ...interface{}) *sql.Row
// pgSessionCache is the session's cache, which holds the pgSQL's cache and the
// individual session's cache. Only when session.Commit is called, all the
// changes to pgSQL cache will be applied.
type pgSessionCache struct {
c *lru.ARCCache
}
type pgSQL struct {
*sql.DB
cache *lru.ARCCache
config Config
}
type pgSession struct {
*sql.Tx
paginationKey string
}
type idPageNumber struct {
// StartID is an implementation detail for paginating by an ID required to
// be unique to every ancestry and always increasing.
//
// StartID is used to search for ancestry with ID >= StartID
StartID int64
}
func encryptPage(page idPageNumber, paginationKey string) (result database.PageNumber, err error) {
resultBytes, err := token.Marshal(page, paginationKey)
if err != nil {
return result, err
}
result = database.PageNumber(resultBytes)
return result, nil
}
func decryptPage(page database.PageNumber, paginationKey string) (result idPageNumber, err error) {
err = token.Unmarshal(string(page), paginationKey, &result)
return
}
// Begin initiates a transaction to database. The expected transaction isolation
// level in this implementation is "Read Committed".
func (pgSQL *pgSQL) Begin() (database.Session, error) {
tx, err := pgSQL.DB.Begin()
if err != nil {
return nil, err
}
return &pgSession{
Tx: tx,
paginationKey: pgSQL.config.PaginationKey,
}, nil
}
func (tx *pgSession) Commit() error {
return tx.Tx.Commit()
}
// Close closes the database and destroys if ManageDatabaseLifecycle has been specified in
// the configuration.
func (pgSQL *pgSQL) Close() {
@ -109,6 +158,7 @@ type Config struct {
ManageDatabaseLifecycle bool
FixturePath string
PaginationKey string
}
// openDatabase opens a PostgresSQL-backed Datastore using the given
@ -134,6 +184,10 @@ func openDatabase(registrableComponentConfig database.RegistrableComponentConfig
return nil, fmt.Errorf("pgsql: could not load configuration: %v", err)
}
if pg.config.PaginationKey == "" {
panic("pagination key should be given")
}
dbName, pgSourceURL, err := parseConnectionString(pg.config.Source)
if err != nil {
return nil, err
@ -179,7 +233,7 @@ func openDatabase(registrableComponentConfig database.RegistrableComponentConfig
_, err = pg.DB.Exec(string(d))
if err != nil {
pg.Close()
return nil, fmt.Errorf("pgsql: an error occured while importing fixtures: %v", err)
return nil, fmt.Errorf("pgsql: an error occurred while importing fixtures: %v", err)
}
}
@ -217,7 +271,7 @@ func migrateDatabase(db *sql.DB) error {
err := migrate.NewPostgresMigrator(db).Exec(migrate.Up, migrations.Migrations...)
if err != nil {
return fmt.Errorf("pgsql: an error occured while running migrations: %v", err)
return fmt.Errorf("pgsql: an error occurred while running migrations: %v", err)
}
log.Info("database migration ran successfully")
@ -271,7 +325,8 @@ func dropDatabase(source, dbName string) error {
}
// handleError logs an error with an extra description and masks the error if it's an SQL one.
// This ensures we never return plain SQL errors and leak anything.
// The function ensures we never return plain SQL errors and leak anything.
// The function should be used for every database query error.
func handleError(desc string, err error) error {
if err == nil {
return nil
@ -297,6 +352,11 @@ func isErrUniqueViolation(err error) bool {
return ok && pqErr.Code == "23505"
}
// observeQueryTime computes the time elapsed since `start` to represent the
// query time.
// 1. `query` is a pgSession function name.
// 2. `subquery` is a specific query or a batched query.
// 3. `start` is the time right before query is executed.
func observeQueryTime(query, subquery string, start time.Time) {
promQueryDurationMilliseconds.
WithLabelValues(query, subquery).

224
database/pgsql/pgsql_test.go
View File

@ -15,27 +15,193 @@
package pgsql
import (
"database/sql"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
fernet "github.com/fernet/fernet-go"
"github.com/pborman/uuid"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
yaml "gopkg.in/yaml.v2"
"github.com/coreos/clair/database"
)
func openDatabaseForTest(testName string, loadFixture bool) (*pgSQL, error) {
ds, err := openDatabase(generateTestConfig(testName, loadFixture))
var (
withFixtureName, withoutFixtureName string
)
func genTemplateDatabase(name string, loadFixture bool) (sourceURL string, dbName string) {
config := generateTestConfig(name, loadFixture, false)
source := config.Options["source"].(string)
name, url, err := parseConnectionString(source)
if err != nil {
panic(err)
}
fixturePath := config.Options["fixturepath"].(string)
if err := createDatabase(url, name); err != nil {
panic(err)
}
// migration and fixture
db, err := sql.Open("postgres", source)
if err != nil {
panic(err)
}
// Verify database state.
if err := db.Ping(); err != nil {
panic(err)
}
// Run migrations.
if err := migrateDatabase(db); err != nil {
panic(err)
}
if loadFixture {
log.Info("pgsql: loading fixtures")
d, err := ioutil.ReadFile(fixturePath)
if err != nil {
panic(err)
}
_, err = db.Exec(string(d))
if err != nil {
panic(err)
}
}
db.Exec("UPDATE pg_database SET datistemplate=True WHERE datname=$1", name)
db.Close()
log.Info("Generated Template database ", name)
return url, name
}
func dropTemplateDatabase(url string, name string) {
db, err := sql.Open("postgres", url)
if err != nil {
panic(err)
}
if _, err := db.Exec("UPDATE pg_database SET datistemplate=False WHERE datname=$1", name); err != nil {
panic(err)
}
if err := db.Close(); err != nil {
panic(err)
}
if err := dropDatabase(url, name); err != nil {
panic(err)
}
}
func TestMain(m *testing.M) {
fURL, fName := genTemplateDatabase("fixture", true)
nfURL, nfName := genTemplateDatabase("nonfixture", false)
withFixtureName = fName
withoutFixtureName = nfName
m.Run()
dropTemplateDatabase(fURL, fName)
dropTemplateDatabase(nfURL, nfName)
}
func openCopiedDatabase(testConfig database.RegistrableComponentConfig, fixture bool) (database.Datastore, error) {
var fixtureName string
if fixture {
fixtureName = withFixtureName
} else {
fixtureName = withoutFixtureName
}
// copy the database into new database
var pg pgSQL
// Parse configuration.
pg.config = Config{
CacheSize: 16384,
}
bytes, err := yaml.Marshal(testConfig.Options)
if err != nil {
return nil, fmt.Errorf("pgsql: could not load configuration: %v", err)
}
err = yaml.Unmarshal(bytes, &pg.config)
if err != nil {
return nil, fmt.Errorf("pgsql: could not load configuration: %v", err)
}
dbName, pgSourceURL, err := parseConnectionString(pg.config.Source)
if err != nil {
return nil, err
}
datastore := ds.(*pgSQL)
// Create database.
if pg.config.ManageDatabaseLifecycle {
if err = copyDatabase(pgSourceURL, dbName, fixtureName); err != nil {
return nil, err
}
}
// Open database.
pg.DB, err = sql.Open("postgres", pg.config.Source)
fmt.Println("database", pg.config.Source)
if err != nil {
pg.Close()
return nil, fmt.Errorf("pgsql: could not open database: %v", err)
}
return &pg, nil
}
// copyDatabase creates a new database with
func copyDatabase(url, name string, templateName string) error {
// Open database.
db, err := sql.Open("postgres", url)
if err != nil {
return fmt.Errorf("pgsql: could not open 'postgres' database for creation: %v", err)
}
defer db.Close()
// Create database with copy
_, err = db.Exec("CREATE DATABASE " + name + " WITH TEMPLATE " + templateName)
if err != nil {
return fmt.Errorf("pgsql: could not create database: %v", err)
}
return nil
}
func openDatabaseForTest(testName string, loadFixture bool) (*pgSQL, error) {
var (
db database.Datastore
err error
testConfig = generateTestConfig(testName, loadFixture, true)
)
db, err = openCopiedDatabase(testConfig, loadFixture)
if err != nil {
return nil, err
}
datastore := db.(*pgSQL)
return datastore, nil
}
func generateTestConfig(testName string, loadFixture bool) database.RegistrableComponentConfig {
func generateTestConfig(testName string, loadFixture bool, manageLife bool) database.RegistrableComponentConfig {
dbName := "test_" + strings.ToLower(testName) + "_" + strings.Replace(uuid.New(), "-", "_", -1)
var fixturePath string
@ -49,12 +215,60 @@ func generateTestConfig(testName string, loadFixture bool) database.RegistrableC
source = fmt.Sprintf(sourceEnv, dbName)
}
var key fernet.Key
if err := key.Generate(); err != nil {
panic("failed to generate pagination key" + err.Error())
}
return database.RegistrableComponentConfig{
Options: map[string]interface{}{
"source": source,
"cachesize": 0,
"managedatabaselifecycle": true,
"managedatabaselifecycle": manageLife,
"fixturepath": fixturePath,
"paginationkey": key.Encode(),
},
}
}
func closeTest(t *testing.T, store database.Datastore, session database.Session) {
err := session.Rollback()
if err != nil {
t.Error(err)
t.FailNow()
}
store.Close()
}
func openSessionForTest(t *testing.T, name string, loadFixture bool) (*pgSQL, *pgSession) {
store, err := openDatabaseForTest(name, loadFixture)
if err != nil {
t.Error(err)
t.FailNow()
}
tx, err := store.Begin()
if err != nil {
t.Error(err)
t.FailNow()
}
return store, tx.(*pgSession)
}
func restartSession(t *testing.T, datastore *pgSQL, tx *pgSession, commit bool) *pgSession {
var err error
if !commit {
err = tx.Rollback()
} else {
err = tx.Commit()
}
if assert.Nil(t, err) {
session, err := datastore.Begin()
if assert.Nil(t, err) {
return session.(*pgSession)
}
}
t.FailNow()
return nil
}

502
database/pgsql/queries.go
View File

@ -14,172 +14,146 @@
package pgsql
import "strconv"
import (
"fmt"
"strings"
"github.com/lib/pq"
)
const (
lockVulnerabilityAffects = `LOCK Vulnerability_Affects_FeatureVersion IN SHARE ROW EXCLUSIVE MODE`
disableHashJoin = `SET LOCAL enable_hashjoin = off`
disableMergeJoin = `SET LOCAL enable_mergejoin = off`
lockVulnerabilityAffects = `LOCK vulnerability_affected_namespaced_feature IN SHARE ROW EXCLUSIVE MODE`
// keyvalue.go
updateKeyValue = `UPDATE KeyValue SET value = $1 WHERE key = $2`
insertKeyValue = `INSERT INTO KeyValue(key, value) VALUES($1, $2)`
searchKeyValue = `SELECT value FROM KeyValue WHERE key = $1`
upsertKeyValue = `
INSERT INTO KeyValue(key, value)
VALUES ($1, $2)
ON CONFLICT ON CONSTRAINT keyvalue_key_key
DO UPDATE SET key=$1, value=$2`
// namespace.go
soiNamespace = `
WITH new_namespace AS (
INSERT INTO Namespace(name, version_format)
SELECT CAST($1 AS VARCHAR), CAST($2 AS VARCHAR)
WHERE NOT EXISTS (SELECT name FROM Namespace WHERE name = $1)
RETURNING id
)
SELECT id FROM Namespace WHERE name = $1
UNION
SELECT id FROM new_namespace`
searchNamespace = `SELECT id FROM Namespace WHERE name = $1`
listNamespace = `SELECT id, name, version_format FROM Namespace`
searchNamespaceID = `SELECT id FROM Namespace WHERE name = $1 AND version_format = $2`
// feature.go
soiFeature = `
WITH new_feature AS (
INSERT INTO Feature(name, namespace_id)
SELECT CAST($1 AS VARCHAR), CAST($2 AS INTEGER)
WHERE NOT EXISTS (SELECT id FROM Feature WHERE name = $1 AND namespace_id = $2)
soiNamespacedFeature = `
WITH new_feature_ns AS (
INSERT INTO namespaced_feature(feature_id, namespace_id)
SELECT CAST ($1 AS INTEGER), CAST ($2 AS INTEGER)
WHERE NOT EXISTS ( SELECT id FROM namespaced_feature WHERE namespaced_feature.feature_id = $1 AND namespaced_feature.namespace_id = $2)
RETURNING id
)
SELECT id FROM Feature WHERE name = $1 AND namespace_id = $2
SELECT id FROM namespaced_feature WHERE namespaced_feature.feature_id = $1 AND namespaced_feature.namespace_id = $2
UNION
SELECT id FROM new_feature`
SELECT id FROM new_feature_ns`
searchFeatureVersion = `
SELECT id FROM FeatureVersion WHERE feature_id = $1 AND version = $2`
soiFeatureVersion = `
WITH new_featureversion AS (
INSERT INTO FeatureVersion(feature_id, version)
SELECT CAST($1 AS INTEGER), CAST($2 AS VARCHAR)
WHERE NOT EXISTS (SELECT id FROM FeatureVersion WHERE feature_id = $1 AND version = $2)
RETURNING id
)
SELECT false, id FROM FeatureVersion WHERE feature_id = $1 AND version = $2
UNION
SELECT true, id FROM new_featureversion`
searchVulnerabilityFixedInFeature = `
SELECT id, vulnerability_id, version FROM Vulnerability_FixedIn_Feature
WHERE feature_id = $1`
insertVulnerabilityAffectsFeatureVersion = `
INSERT INTO Vulnerability_Affects_FeatureVersion(vulnerability_id, featureversion_id, fixedin_id)
VALUES($1, $2, $3)`
// layer.go
searchLayer = `
SELECT l.id, l.name, l.engineversion, p.id, p.name
FROM Layer l
LEFT JOIN Layer p ON l.parent_id = p.id
WHERE l.name = $1;`
searchLayerNamespace = `
SELECT n.id, n.name, n.version_format
FROM Namespace n
JOIN Layer_Namespace lns ON lns.namespace_id = n.id
WHERE lns.layer_id = $1`
searchLayerFeatureVersion = `
WITH RECURSIVE layer_tree(id, name, parent_id, depth, path, cycle) AS(
SELECT l.id, l.name, l.parent_id, 1, ARRAY[l.id], false
FROM Layer l
WHERE l.id = $1
UNION ALL
SELECT l.id, l.name, l.parent_id, lt.depth + 1, path || l.id, l.id = ANY(path)
FROM Layer l, layer_tree lt
WHERE l.id = lt.parent_id
)
SELECT ldf.featureversion_id, ldf.modification, fn.id, fn.name, fn.version_format, f.id, f.name, fv.id, fv.version, ltree.id, ltree.name
FROM Layer_diff_FeatureVersion ldf
JOIN (
SELECT row_number() over (ORDER BY depth DESC), id, name FROM layer_tree
) AS ltree (ordering, id, name) ON ldf.layer_id = ltree.id, FeatureVersion fv, Feature f, Namespace fn
WHERE ldf.featureversion_id = fv.id AND fv.feature_id = f.id AND f.namespace_id = fn.id
ORDER BY ltree.ordering`
searchFeatureVersionVulnerability = `
SELECT vafv.featureversion_id, v.id, v.name, v.description, v.link, v.severity, v.metadata,
vn.name, vn.version_format, vfif.version
FROM Vulnerability_Affects_FeatureVersion vafv, Vulnerability v,
Namespace vn, Vulnerability_FixedIn_Feature vfif
WHERE vafv.featureversion_id = ANY($1::integer[])
AND vfif.vulnerability_id = v.id
AND vafv.fixedin_id = vfif.id
AND v.namespace_id = vn.id
searchPotentialAffectingVulneraibilities = `
SELECT nf.id, v.id, vaf.affected_version, vaf.id
FROM vulnerability_affected_feature AS vaf, vulnerability AS v,
namespaced_feature AS nf, feature AS f
WHERE nf.id = ANY($1)
AND nf.feature_id = f.id
AND nf.namespace_id = v.namespace_id
AND vaf.feature_name = f.name
AND vaf.vulnerability_id = v.id
AND v.deleted_at IS NULL`
insertLayer = `
INSERT INTO Layer(name, engineversion, parent_id, created_at)
VALUES($1, $2, $3, CURRENT_TIMESTAMP)
RETURNING id`
searchNamespacedFeaturesVulnerabilities = `
SELECT vanf.namespaced_feature_id, v.name, v.description, v.link,
v.severity, v.metadata, vaf.fixedin, n.name, n.version_format
FROM vulnerability_affected_namespaced_feature AS vanf,
Vulnerability AS v,
vulnerability_affected_feature AS vaf,
namespace AS n
WHERE vanf.namespaced_feature_id = ANY($1)
AND vaf.id = vanf.added_by
AND v.id = vanf.vulnerability_id
AND n.id = v.namespace_id
AND v.deleted_at IS NULL`
insertLayerNamespace = `INSERT INTO Layer_Namespace(layer_id, namespace_id) VALUES($1, $2)`
removeLayerNamespace = `DELETE FROM Layer_Namespace WHERE layer_id = $1`
// layer.go
searchLayerIDs = `SELECT id, hash FROM layer WHERE hash = ANY($1);`
updateLayer = `UPDATE LAYER SET engineversion = $2 WHERE id = $1`
searchLayerFeatures = `
SELECT feature.Name, feature.Version, feature.version_format
FROM feature, layer_feature
WHERE layer_feature.layer_id = $1
AND layer_feature.feature_id = feature.id`
removeLayerDiffFeatureVersion = `
DELETE FROM Layer_diff_FeatureVersion
WHERE layer_id = $1`
searchLayerNamespaces = `
SELECT namespace.Name, namespace.version_format
FROM namespace, layer_namespace
WHERE layer_namespace.layer_id = $1
AND layer_namespace.namespace_id = namespace.id`
insertLayerDiffFeatureVersion = `
INSERT INTO Layer_diff_FeatureVersion(layer_id, featureversion_id, modification)
SELECT $1, fv.id, $2
FROM FeatureVersion fv
WHERE fv.id = ANY($3::integer[])`
removeLayer = `DELETE FROM Layer WHERE name = $1`
searchLayer = `SELECT id FROM layer WHERE hash = $1`
searchLayerDetectors = `SELECT detector FROM layer_detector WHERE layer_id = $1`
searchLayerListers = `SELECT lister FROM layer_lister WHERE layer_id = $1`
// lock.go
insertLock = `INSERT INTO Lock(name, owner, until) VALUES($1, $2, $3)`
soiLock = `INSERT INTO lock(name, owner, until) VALUES ($1, $2, $3)`
searchLock = `SELECT owner, until FROM Lock WHERE name = $1`
updateLock = `UPDATE Lock SET until = $3 WHERE name = $1 AND owner = $2`
removeLock = `DELETE FROM Lock WHERE name = $1 AND owner = $2`
removeLockExpired = `DELETE FROM LOCK WHERE until < CURRENT_TIMESTAMP`
// vulnerability.go
searchVulnerabilityBase = `
SELECT v.id, v.name, n.id, n.name, n.version_format, v.description, v.link, v.severity, v.metadata
FROM Vulnerability v JOIN Namespace n ON v.namespace_id = n.id`
searchVulnerabilityForUpdate = ` FOR UPDATE OF v`
searchVulnerabilityByNamespaceAndName = ` WHERE n.name = $1 AND v.name = $2 AND v.deleted_at IS NULL`
searchVulnerabilityByID = ` WHERE v.id = $1`
searchVulnerabilityByNamespace = ` WHERE n.name = $1 AND v.deleted_at IS NULL
AND v.id >= $2
ORDER BY v.id
LIMIT $3`
searchVulnerability = `
SELECT v.id, v.description, v.link, v.severity, v.metadata, n.version_format
FROM vulnerability AS v, namespace AS n
WHERE v.namespace_id = n.id
AND v.name = $1
AND n.name = $2
AND v.deleted_at IS NULL
`
searchVulnerabilityFixedIn = `
SELECT vfif.version, f.id, f.Name
FROM Vulnerability_FixedIn_Feature vfif JOIN Feature f ON vfif.feature_id = f.id
WHERE vfif.vulnerability_id = $1`
insertVulnerabilityAffected = `
INSERT INTO vulnerability_affected_feature(vulnerability_id, feature_name, affected_version, fixedin)
VALUES ($1, $2, $3, $4)
RETURNING ID
`
searchVulnerabilityAffected = `
SELECT vulnerability_id, feature_name, affected_version, fixedin
FROM vulnerability_affected_feature
WHERE vulnerability_id = ANY($1)
`
searchVulnerabilityByID = `
SELECT v.name, v.description, v.link, v.severity, v.metadata, n.name, n.version_format
FROM vulnerability AS v, namespace AS n
WHERE v.namespace_id = n.id
AND v.id = $1`
searchVulnerabilityPotentialAffected = `
WITH req AS (
SELECT vaf.id AS vaf_id, n.id AS n_id, vaf.feature_name AS name, v.id AS vulnerability_id
FROM vulnerability_affected_feature AS vaf,
vulnerability AS v,
namespace AS n
WHERE vaf.vulnerability_id = ANY($1)
AND v.id = vaf.vulnerability_id
AND n.id = v.namespace_id
)
SELECT req.vulnerability_id, nf.id, f.version, req.vaf_id AS added_by
FROM feature AS f, namespaced_feature AS nf, req
WHERE f.name = req.name
AND nf.namespace_id = req.n_id
AND nf.feature_id = f.id`
insertVulnerabilityAffectedNamespacedFeature = `
INSERT INTO vulnerability_affected_namespaced_feature(vulnerability_id, namespaced_feature_id, added_by)
VALUES ($1, $2, $3)`
insertVulnerability = `
INSERT INTO Vulnerability(namespace_id, name, description, link, severity, metadata, created_at)
VALUES($1, $2, $3, $4, $5, $6, CURRENT_TIMESTAMP)
RETURNING id`
soiVulnerabilityFixedInFeature = `
WITH new_fixedinfeature AS (
INSERT INTO Vulnerability_FixedIn_Feature(vulnerability_id, feature_id, version)
SELECT CAST($1 AS INTEGER), CAST($2 AS INTEGER), CAST($3 AS VARCHAR)
WHERE NOT EXISTS (SELECT id FROM Vulnerability_FixedIn_Feature WHERE vulnerability_id = $1 AND feature_id = $2)
RETURNING id
WITH ns AS (
SELECT id FROM namespace WHERE name = $6 AND version_format = $7
)
SELECT false, id FROM Vulnerability_FixedIn_Feature WHERE vulnerability_id = $1 AND feature_id = $2
UNION
SELECT true, id FROM new_fixedinfeature`
searchFeatureVersionByFeature = `SELECT id, version FROM FeatureVersion WHERE feature_id = $1`
INSERT INTO Vulnerability(namespace_id, name, description, link, severity, metadata, created_at)
VALUES((SELECT id FROM ns), $1, $2, $3, $4, $5, CURRENT_TIMESTAMP)
RETURNING id`
removeVulnerability = `
UPDATE Vulnerability
@ -192,7 +166,7 @@ const (
// notification.go
insertNotification = `
INSERT INTO Vulnerability_Notification(name, created_at, old_vulnerability_id, new_vulnerability_id)
VALUES($1, CURRENT_TIMESTAMP, $2, $3)`
VALUES ($1, $2, $3, $4)`
updatedNotificationNotified = `
UPDATE Vulnerability_Notification
@ -202,10 +176,10 @@ const (
removeNotification = `
UPDATE Vulnerability_Notification
SET deleted_at = CURRENT_TIMESTAMP
WHERE name = $1`
WHERE name = $1 AND deleted_at IS NULL`
searchNotificationAvailable = `
SELECT id, name, created_at, notified_at, deleted_at
SELECT name, created_at, notified_at, deleted_at
FROM Vulnerability_Notification
WHERE (notified_at IS NULL OR notified_at < $1)
AND deleted_at IS NULL
@ -214,43 +188,231 @@ const (
LIMIT 1`
searchNotification = `
SELECT id, name, created_at, notified_at, deleted_at, old_vulnerability_id, new_vulnerability_id
SELECT created_at, notified_at, deleted_at, old_vulnerability_id, new_vulnerability_id
FROM Vulnerability_Notification
WHERE name = $1`
searchNotificationLayerIntroducingVulnerability = `
WITH LDFV AS (
SELECT DISTINCT ldfv.layer_id
FROM Vulnerability_Affects_FeatureVersion vafv, FeatureVersion fv, Layer_diff_FeatureVersion ldfv
WHERE ldfv.layer_id >= $2
AND vafv.vulnerability_id = $1
AND vafv.featureversion_id = fv.id
AND ldfv.featureversion_id = fv.id
AND ldfv.modification = 'add'
ORDER BY ldfv.layer_id
)
SELECT l.id, l.name
FROM LDFV, Layer l
WHERE LDFV.layer_id = l.id
LIMIT $3`
searchNotificationVulnerableAncestry = `
SELECT DISTINCT ON (a.id)
a.id, a.name
FROM vulnerability_affected_namespaced_feature AS vanf,
ancestry AS a, ancestry_feature AS af
WHERE vanf.vulnerability_id = $1
AND a.id >= $2
AND a.id = af.ancestry_id
AND af.namespaced_feature_id = vanf.namespaced_feature_id
ORDER BY a.id ASC
LIMIT $3;`
// complex_test.go
searchComplexTestFeatureVersionAffects = `
SELECT v.name
FROM FeatureVersion fv
LEFT JOIN Vulnerability_Affects_FeatureVersion vaf ON fv.id = vaf.featureversion_id
JOIN Vulnerability v ON vaf.vulnerability_id = v.id
WHERE featureversion_id = $1`
// ancestry.go
persistAncestryLister = `
INSERT INTO ancestry_lister (ancestry_id, lister)
SELECT CAST ($1 AS INTEGER), CAST ($2 AS TEXT)
WHERE NOT EXISTS (SELECT id FROM ancestry_lister WHERE ancestry_id = $1 AND lister = $2) ON CONFLICT DO NOTHING`
persistAncestryDetector = `
INSERT INTO ancestry_detector (ancestry_id, detector)
SELECT CAST ($1 AS INTEGER), CAST ($2 AS TEXT)
WHERE NOT EXISTS (SELECT id FROM ancestry_detector WHERE ancestry_id = $1 AND detector = $2) ON CONFLICT DO NOTHING`
insertAncestry = `INSERT INTO ancestry (name) VALUES ($1) RETURNING id`
searchAncestryLayer = `
SELECT layer.hash
FROM layer, ancestry_layer
WHERE ancestry_layer.ancestry_id = $1
AND ancestry_layer.layer_id = layer.id
ORDER BY ancestry_layer.ancestry_index ASC`
searchAncestryFeatures = `
SELECT namespace.name, namespace.version_format, feature.name, feature.version
FROM namespace, feature, ancestry, namespaced_feature, ancestry_feature
WHERE ancestry.name = $1
AND ancestry.id = ancestry_feature.ancestry_id
AND ancestry_feature.namespaced_feature_id = namespaced_feature.id
AND namespaced_feature.feature_id = feature.id
AND namespaced_feature.namespace_id = namespace.id`
searchAncestry = `SELECT id FROM ancestry WHERE name = $1`
searchAncestryDetectors = `SELECT detector FROM ancestry_detector WHERE ancestry_id = $1`
searchAncestryListers = `SELECT lister FROM ancestry_lister WHERE ancestry_id = $1`
removeAncestry = `DELETE FROM ancestry WHERE name = $1`
insertAncestryLayer = `INSERT INTO ancestry_layer(ancestry_id, ancestry_index, layer_id) VALUES($1,$2,$3)`
insertAncestryFeature = `INSERT INTO ancestry_feature(ancestry_id, namespaced_feature_id) VALUES ($1, $2)`
)
// buildInputArray constructs a PostgreSQL input array from the specified integers.
// Useful to use the `= ANY($1::integer[])` syntax that let us use a IN clause while using
// a single placeholder.
func buildInputArray(ints []int) string {
str := "{"
for i := 0; i < len(ints)-1; i++ {
str = str + strconv.Itoa(ints[i]) + ","
}
str = str + strconv.Itoa(ints[len(ints)-1]) + "}"
return str
// NOTE(Sida): Every search query can only have count less than postgres set
// stack depth. IN will be resolved to nested OR_s and the parser might exceed
// stack depth. TODO(Sida): Generate different queries for different count: if
// count < 5120, use IN; for count > 5120 and < 65536, use temporary table; for
// count > 65535, use is expected to split data into batches.
func querySearchLastDeletedVulnerabilityID(count int) string {
return fmt.Sprintf(`
SELECT vid, vname, nname FROM (
SELECT v.id AS vid, v.name AS vname, n.name AS nname,
row_number() OVER (
PARTITION by (v.name, n.name)
ORDER BY v.deleted_at DESC
) AS rownum
FROM vulnerability AS v, namespace AS n
WHERE v.namespace_id = n.id
AND (v.name, n.name) IN ( %s )
AND v.deleted_at IS NOT NULL
) tmp WHERE rownum <= 1`,
queryString(2, count))
}
func querySearchNotDeletedVulnerabilityID(count int) string {
return fmt.Sprintf(`
SELECT v.id, v.name, n.name FROM vulnerability AS v, namespace AS n
WHERE v.namespace_id = n.id AND (v.name, n.name) IN (%s)
AND v.deleted_at IS NULL`,
queryString(2, count))
}
func querySearchFeatureID(featureCount int) string {
return fmt.Sprintf(`
SELECT id, name, version, version_format
FROM Feature WHERE (name, version, version_format) IN (%s)`,
queryString(3, featureCount),
)
}
func querySearchNamespacedFeature(nsfCount int) string {
return fmt.Sprintf(`
SELECT nf.id, f.name, f.version, f.version_format, n.name
FROM namespaced_feature AS nf, feature AS f, namespace AS n
WHERE nf.feature_id = f.id
AND nf.namespace_id = n.id
AND n.version_format = f.version_format
AND (f.name, f.version, f.version_format, n.name) IN (%s)`,
queryString(4, nsfCount),
)
}
func querySearchNamespace(nsCount int) string {
return fmt.Sprintf(
`SELECT id, name, version_format
FROM namespace WHERE (name, version_format) IN (%s)`,
queryString(2, nsCount),
)
}
func queryInsert(count int, table string, columns ...string) string {
base := `INSERT INTO %s (%s) VALUES %s`
t := pq.QuoteIdentifier(table)
cols := make([]string, len(columns))
for i, c := range columns {
cols[i] = pq.QuoteIdentifier(c)
}
colsQuoted := strings.Join(cols, ",")
return fmt.Sprintf(base, t, colsQuoted, queryString(len(columns), count))
}
func queryPersist(count int, table, constraint string, columns ...string) string {
ct := ""
if constraint != "" {
ct = fmt.Sprintf("ON CONSTRAINT %s", constraint)
}
return fmt.Sprintf("%s ON CONFLICT %s DO NOTHING", queryInsert(count, table, columns...), ct)
}
func queryInsertNotifications(count int) string {
return queryInsert(count,
"vulnerability_notification",
"name",
"created_at",
"old_vulnerability_id",
"new_vulnerability_id",
)
}
func queryPersistFeature(count int) string {
return queryPersist(count,
"feature",
"feature_name_version_version_format_key",
"name",
"version",
"version_format")
}
func queryPersistLayerFeature(count int) string {
return queryPersist(count,
"layer_feature",
"layer_feature_layer_id_feature_id_key",
"layer_id",
"feature_id")
}
func queryPersistNamespace(count int) string {
return queryPersist(count,
"namespace",
"namespace_name_version_format_key",
"name",
"version_format")
}
func queryPersistLayerListers(count int) string {
return queryPersist(count,
"layer_lister",
"layer_lister_layer_id_lister_key",
"layer_id",
"lister")
}
func queryPersistLayerDetectors(count int) string {
return queryPersist(count,
"layer_detector",
"layer_detector_layer_id_detector_key",
"layer_id",
"detector")
}
func queryPersistLayerNamespace(count int) string {
return queryPersist(count,
"layer_namespace",
"layer_namespace_layer_id_namespace_id_key",
"layer_id",
"namespace_id")
}
// size of key and array should be both greater than 0
func queryString(keySize, arraySize int) string {
if arraySize <= 0 || keySize <= 0 {
panic("Bulk Query requires size of element tuple and number of elements to be greater than 0")
}
keys := make([]string, 0, arraySize)
for i := 0; i < arraySize; i++ {
key := make([]string, keySize)
for j := 0; j < keySize; j++ {
key[j] = fmt.Sprintf("$%d", i*keySize+j+1)
}
keys = append(keys, fmt.Sprintf("(%s)", strings.Join(key, ",")))
}
return strings.Join(keys, ",")
}
func queryPersistNamespacedFeature(count int) string {
return queryPersist(count, "namespaced_feature",
"namespaced_feature_namespace_id_feature_id_key",
"feature_id",
"namespace_id")
}
func queryPersistVulnerabilityAffectedNamespacedFeature(count int) string {
return queryPersist(count, "vulnerability_affected_namespaced_feature",
"vulnerability_affected_namesp_vulnerability_id_namespaced_f_key",
"vulnerability_id",
"namespaced_feature_id",
"added_by")
}
func queryPersistLayer(count int) string {
return queryPersist(count, "layer", "", "hash")
}
func queryInvalidateVulnerabilityCache(count int) string {
return fmt.Sprintf(`DELETE FROM vulnerability_affected_feature
WHERE vulnerability_id IN (%s)`,
queryString(1, count))
}

148
database/pgsql/testdata/data.sql vendored
View File

@ -1,73 +1,117 @@
-- Copyright 2015 clair authors
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
INSERT INTO namespace (id, name, version_format) VALUES
(1, 'debian:7', 'dpkg'),
(2, 'debian:8', 'dpkg');
(1, 'debian:7', 'dpkg'),
(2, 'debian:8', 'dpkg'),
(3, 'fake:1.0', 'rpm');
INSERT INTO feature (id, namespace_id, name) VALUES
(1, 1, 'wechat'),
(2, 1, 'openssl'),
(4, 1, 'libssl'),
(3, 2, 'openssl');
INSERT INTO feature (id, name, version, version_format) VALUES
(1, 'wechat', '0.5', 'dpkg'),
(2, 'openssl', '1.0', 'dpkg'),
(3, 'openssl', '2.0', 'dpkg'),
(4, 'fake', '2.0', 'rpm');
INSERT INTO featureversion (id, feature_id, version) VALUES
(1, 1, '0.5'),
(2, 2, '1.0'),
(3, 2, '2.0'),
(4, 3, '1.0');
INSERT INTO layer (id, hash) VALUES
(1, 'layer-0'), -- blank
(2, 'layer-1'), -- debian:7; wechat 0.5, openssl 1.0
(3, 'layer-2'), -- debian:7; wechat 0.5, openssl 2.0
(4, 'layer-3a'),-- debian:7;
(5, 'layer-3b'),-- debian:8; wechat 0.5, openssl 1.0
(6, 'layer-4'); -- debian:7, fake:1.0; openssl 2.0 (debian), fake 2.0 (fake)
INSERT INTO layer (id, name, engineversion, parent_id) VALUES
(1, 'layer-0', 1, NULL),
(2, 'layer-1', 1, 1),
(3, 'layer-2', 1, 2),
(4, 'layer-3a', 1, 3),
(5, 'layer-3b', 1, 3);
INSERT INTO layer_namespace (id, layer_id, namespace_id) VALUES
INSERT INTO layer_namespace(id, layer_id, namespace_id) VALUES
(1, 2, 1),
(2, 3, 1),
(3, 4, 1),
(4, 5, 2),
(5, 5, 1);
(5, 6, 1),
(6, 6, 3);
INSERT INTO layer_diff_featureversion (id, layer_id, featureversion_id, modification) VALUES
(1, 2, 1, 'add'),
(2, 2, 2, 'add'),
(3, 3, 2, 'del'), -- layer-2: Update Debian:7 OpenSSL 1.0 -> 2.0
(4, 3, 3, 'add'), -- ^
(5, 5, 3, 'del'), -- layer-3b: Delete Debian:7 OpenSSL 2.0
(6, 5, 4, 'add'); -- layer-3b: Add Debian:8 OpenSSL 1.0
INSERT INTO layer_feature(id, layer_id, feature_id) VALUES
(1, 2, 1),
(2, 2, 2),
(3, 3, 1),
(4, 3, 3),
(5, 5, 1),
(6, 5, 2),
(7, 6, 4),
(8, 6, 3);
INSERT INTO layer_lister(id, layer_id, lister) VALUES
(1, 1, 'dpkg'),
(2, 2, 'dpkg'),
(3, 3, 'dpkg'),
(4, 4, 'dpkg'),
(5, 5, 'dpkg'),
(6, 6, 'dpkg'),
(7, 6, 'rpm');
INSERT INTO layer_detector(id, layer_id, detector) VALUES
(1, 1, 'os-release'),
(2, 2, 'os-release'),
(3, 3, 'os-release'),
(4, 4, 'os-release'),
(5, 5, 'os-release'),
(6, 6, 'os-release'),
(7, 6, 'apt-sources');
INSERT INTO ancestry (id, name) VALUES
(1, 'ancestry-1'), -- layer-0, layer-1, layer-2, layer-3a
(2, 'ancestry-2'), -- layer-0, layer-1, layer-2, layer-3b
(3, 'ancestry-3'), -- empty; just for testing the vulnerable ancestry
(4, 'ancestry-4'); -- empty; just for testing the vulnerable ancestry
INSERT INTO ancestry_lister (id, ancestry_id, lister) VALUES
(1, 1, 'dpkg'),
(2, 2, 'dpkg');
INSERT INTO ancestry_detector (id, ancestry_id, detector) VALUES
(1, 1, 'os-release'),
(2, 2, 'os-release');
INSERT INTO ancestry_layer (id, ancestry_id, layer_id, ancestry_index) VALUES
(1, 1, 1, 0),(2, 1, 2, 1),(3, 1, 3, 2),(4, 1, 4, 3),
(5, 2, 1, 0),(6, 2, 2, 1),(7, 2, 3, 2),(8, 2, 5, 3);
INSERT INTO namespaced_feature(id, feature_id, namespace_id) VALUES
(1, 1, 1), -- wechat 0.5, debian:7
(2, 2, 1), -- openssl 1.0, debian:7
(3, 2, 2), -- openssl 1.0, debian:8
(4, 3, 1); -- openssl 2.0, debian:7
INSERT INTO ancestry_feature (id, ancestry_id, namespaced_feature_id) VALUES
(1, 1, 1), (2, 1, 4),
(3, 2, 1), (4, 2, 3),
(5, 3, 2), (6, 4, 2); -- assume that ancestry-3 and ancestry-4 are vulnerable.
INSERT INTO vulnerability (id, namespace_id, name, description, link, severity) VALUES
(1, 1, 'CVE-OPENSSL-1-DEB7', 'A vulnerability affecting OpenSSL < 2.0 on Debian 7.0', 'http://google.com/#q=CVE-OPENSSL-1-DEB7', 'High'),
(2, 1, 'CVE-NOPE', 'A vulnerability affecting nothing', '', 'Unknown');
INSERT INTO vulnerability_fixedin_feature (id, vulnerability_id, feature_id, version) VALUES
(1, 1, 2, '2.0'),
(2, 1, 4, '1.9-abc');
INSERT INTO vulnerability (id, namespace_id, name, description, link, severity, deleted_at) VALUES
(3, 1, 'CVE-DELETED', '', '', 'Unknown', '2017-08-08 17:49:31.668483');
INSERT INTO vulnerability_affects_featureversion (id, vulnerability_id, featureversion_id, fixedin_id) VALUES
(1, 1, 2, 1); -- CVE-OPENSSL-1-DEB7 affects Debian:7 OpenSSL 1.0
INSERT INTO vulnerability_affected_feature(id, vulnerability_id, feature_name, affected_version, fixedin) VALUES
(1, 1, 'openssl', '2.0', '2.0'),
(2, 1, 'libssl', '1.9-abc', '1.9-abc');
INSERT INTO vulnerability_affected_namespaced_feature(id, vulnerability_id, namespaced_feature_id, added_by) VALUES
(1, 1, 2, 1);
INSERT INTO vulnerability_notification(id, name, created_at, notified_at, deleted_at, old_vulnerability_id, new_vulnerability_id) VALUES
(1, 'test', NULL, NULL, NULL, 2, 1); -- 'CVE-NOPE' -> 'CVE-OPENSSL-1-DEB7'
SELECT pg_catalog.setval(pg_get_serial_sequence('namespace', 'id'), (SELECT MAX(id) FROM namespace)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('ancestry', 'id'), (SELECT MAX(id) FROM ancestry)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('ancestry_layer', 'id'), (SELECT MAX(id) FROM ancestry_layer)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('ancestry_feature', 'id'), (SELECT MAX(id) FROM ancestry_feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('ancestry_detector', 'id'), (SELECT MAX(id) FROM ancestry_detector)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('ancestry_lister', 'id'), (SELECT MAX(id) FROM ancestry_lister)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('feature', 'id'), (SELECT MAX(id) FROM feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('featureversion', 'id'), (SELECT MAX(id) FROM featureversion)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('namespaced_feature', 'id'), (SELECT MAX(id) FROM namespaced_feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('layer', 'id'), (SELECT MAX(id) FROM layer)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('layer_namespace', 'id'), (SELECT MAX(id) FROM layer_namespace)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('layer_diff_featureversion', 'id'), (SELECT MAX(id) FROM layer_diff_featureversion)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability', 'id'), (SELECT MAX(id) FROM vulnerability)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability_fixedin_feature', 'id'), (SELECT MAX(id) FROM vulnerability_fixedin_feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability_affects_featureversion', 'id'), (SELECT MAX(id) FROM vulnerability_affects_featureversion)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('layer_detector', 'id'), (SELECT MAX(id) FROM layer_detector)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('layer_lister', 'id'), (SELECT MAX(id) FROM layer_lister)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability', 'id'), (SELECT MAX(id) FROM vulnerability)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability_affected_feature', 'id'), (SELECT MAX(id) FROM vulnerability_affected_feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability_affected_namespaced_feature', 'id'), (SELECT MAX(id) FROM vulnerability_affected_namespaced_feature)+1);
SELECT pg_catalog.setval(pg_get_serial_sequence('vulnerability_notification', 'id'), (SELECT MAX(id) FROM vulnerability_notification)+1);

816
database/pgsql/vulnerability.go
View File

@ -17,352 +17,207 @@ package pgsql
import (
"database/sql"
"encoding/json"
"reflect"
"errors"
"time"
"github.com/guregu/null/zero"
"github.com/lib/pq"
log "github.com/sirupsen/logrus"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
"github.com/coreos/clair/pkg/commonerr"
)
// compareStringLists returns the strings that are present in X but not in Y.
func compareStringLists(X, Y []string) []string {
m := make(map[string]bool)
var (
errVulnerabilityNotFound = errors.New("vulnerability is not in database")
)
for _, y := range Y {
m[y] = true
}
diff := []string{}
for _, x := range X {
if m[x] {
continue
}
diff = append(diff, x)
m[x] = true
}
return diff
type affectedAncestry struct {
name string
id int64
}
func compareStringListsInBoth(X, Y []string) []string {
m := make(map[string]struct{})
for _, y := range Y {
m[y] = struct{}{}
}
diff := []string{}
for _, x := range X {
if _, e := m[x]; e {
diff = append(diff, x)
delete(m, x)
}
}
return diff
type affectRelation struct {
vulnerabilityID int64
namespacedFeatureID int64
addedBy int64
}
func (pgSQL *pgSQL) ListVulnerabilities(namespaceName string, limit int, startID int) ([]database.Vulnerability, int, error) {
defer observeQueryTime("listVulnerabilities", "all", time.Now())
// Query Namespace.
var id int
err := pgSQL.QueryRow(searchNamespace, namespaceName).Scan(&id)
if err != nil {
return nil, -1, handleError("searchNamespace", err)
} else if id == 0 {
return nil, -1, commonerr.ErrNotFound
}
// Query.
query := searchVulnerabilityBase + searchVulnerabilityByNamespace
rows, err := pgSQL.Query(query, namespaceName, startID, limit+1)
if err != nil {
return nil, -1, handleError("searchVulnerabilityByNamespace", err)
}
defer rows.Close()
var vulns []database.Vulnerability
nextID := -1
size := 0
// Scan query.
for rows.Next() {
var vulnerability database.Vulnerability
err := rows.Scan(
&vulnerability.ID,
&vulnerability.Name,
&vulnerability.Namespace.ID,
&vulnerability.Namespace.Name,
&vulnerability.Namespace.VersionFormat,
&vulnerability.Description,
&vulnerability.Link,
&vulnerability.Severity,
&vulnerability.Metadata,
)
if err != nil {
return nil, -1, handleError("searchVulnerabilityByNamespace.Scan()", err)
}
size++
if size > limit {
nextID = vulnerability.ID
} else {
vulns = append(vulns, vulnerability)
}
}
if err := rows.Err(); err != nil {
return nil, -1, handleError("searchVulnerabilityByNamespace.Rows()", err)
}
return vulns, nextID, nil
type affectedFeatureRows struct {
rows map[int64]database.AffectedFeature
}
func (pgSQL *pgSQL) FindVulnerability(namespaceName, name string) (database.Vulnerability, error) {
return findVulnerability(pgSQL, namespaceName, name, false)
}
func findVulnerability(queryer Queryer, namespaceName, name string, forUpdate bool) (database.Vulnerability, error) {
defer observeQueryTime("findVulnerability", "all", time.Now())
queryName := "searchVulnerabilityBase+searchVulnerabilityByNamespaceAndName"
query := searchVulnerabilityBase + searchVulnerabilityByNamespaceAndName
if forUpdate {
queryName = queryName + "+searchVulnerabilityForUpdate"
query = query + searchVulnerabilityForUpdate
}
return scanVulnerability(queryer, queryName, queryer.QueryRow(query, namespaceName, name))
}
func (pgSQL *pgSQL) findVulnerabilityByIDWithDeleted(id int) (database.Vulnerability, error) {
defer observeQueryTime("findVulnerabilityByIDWithDeleted", "all", time.Now())
queryName := "searchVulnerabilityBase+searchVulnerabilityByID"
query := searchVulnerabilityBase + searchVulnerabilityByID
return scanVulnerability(pgSQL, queryName, pgSQL.QueryRow(query, id))
}
func scanVulnerability(queryer Queryer, queryName string, vulnerabilityRow *sql.Row) (database.Vulnerability, error) {
var vulnerability database.Vulnerability
err := vulnerabilityRow.Scan(
&vulnerability.ID,
&vulnerability.Name,
&vulnerability.Namespace.ID,
&vulnerability.Namespace.Name,
&vulnerability.Namespace.VersionFormat,
&vulnerability.Description,
&vulnerability.Link,
&vulnerability.Severity,
&vulnerability.Metadata,
)
func (tx *pgSession) FindVulnerabilities(vulnerabilities []database.VulnerabilityID) ([]database.NullableVulnerability, error) {
defer observeQueryTime("findVulnerabilities", "", time.Now())
resultVuln := make([]database.NullableVulnerability, len(vulnerabilities))
vulnIDMap := map[int64][]*database.NullableVulnerability{}
//TODO(Sida): Change to bulk search.
stmt, err := tx.Prepare(searchVulnerability)
if err != nil {
return vulnerability, handleError(queryName+".Scan()", err)
return nil, err
}
if vulnerability.ID == 0 {
return vulnerability, commonerr.ErrNotFound
}
// Query the FixedIn FeatureVersion now.
rows, err := queryer.Query(searchVulnerabilityFixedIn, vulnerability.ID)
if err != nil {
return vulnerability, handleError("searchVulnerabilityFixedIn.Scan()", err)
}
defer rows.Close()
for rows.Next() {
var featureVersionID zero.Int
var featureVersionVersion zero.String
var featureVersionFeatureName zero.String
err := rows.Scan(
&featureVersionVersion,
&featureVersionID,
&featureVersionFeatureName,
)
if err != nil {
return vulnerability, handleError("searchVulnerabilityFixedIn.Scan()", err)
}
if !featureVersionID.IsZero() {
// Note that the ID we fill in featureVersion is actually a Feature ID, and not
// a FeatureVersion ID.
featureVersion := database.FeatureVersion{
Model: database.Model{ID: int(featureVersionID.Int64)},
Feature: database.Feature{
Model: database.Model{ID: int(featureVersionID.Int64)},
Namespace: vulnerability.Namespace,
Name: featureVersionFeatureName.String,
// load vulnerabilities
for i, key := range vulnerabilities {
var (
id sql.NullInt64
vuln = database.NullableVulnerability{
VulnerabilityWithAffected: database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: key.Name,
Namespace: database.Namespace{
Name: key.Namespace,
},
},
},
Version: featureVersionVersion.String,
}
vulnerability.FixedIn = append(vulnerability.FixedIn, featureVersion)
)
err := stmt.QueryRow(key.Name, key.Namespace).Scan(
&id,
&vuln.Description,
&vuln.Link,
&vuln.Severity,
&vuln.Metadata,
&vuln.Namespace.VersionFormat,
)
if err != nil && err != sql.ErrNoRows {
stmt.Close()
return nil, handleError("searchVulnerability", err)
}
vuln.Valid = id.Valid
resultVuln[i] = vuln
if id.Valid {
vulnIDMap[id.Int64] = append(vulnIDMap[id.Int64], &resultVuln[i])
}
}
if err := rows.Err(); err != nil {
return vulnerability, handleError("searchVulnerabilityFixedIn.Rows()", err)
if err := stmt.Close(); err != nil {
return nil, handleError("searchVulnerability", err)
}
return vulnerability, nil
toQuery := make([]int64, 0, len(vulnIDMap))
for id := range vulnIDMap {
toQuery = append(toQuery, id)
}
// load vulnerability affected features
rows, err := tx.Query(searchVulnerabilityAffected, pq.Array(toQuery))
if err != nil {
return nil, handleError("searchVulnerabilityAffected", err)
}
for rows.Next() {
var (
id int64
f database.AffectedFeature
)
err := rows.Scan(&id, &f.FeatureName, &f.AffectedVersion, &f.FixedInVersion)
if err != nil {
return nil, handleError("searchVulnerabilityAffected", err)
}
for _, vuln := range vulnIDMap[id] {
f.Namespace = vuln.Namespace
vuln.Affected = append(vuln.Affected, f)
}
}
return resultVuln, nil
}
// FixedIn.Namespace are not necessary, they are overwritten by the vuln.
// By setting the fixed version to minVersion, we can say that the vuln does'nt affect anymore.
func (pgSQL *pgSQL) InsertVulnerabilities(vulnerabilities []database.Vulnerability, generateNotifications bool) error {
for _, vulnerability := range vulnerabilities {
err := pgSQL.insertVulnerability(vulnerability, false, generateNotifications)
func (tx *pgSession) InsertVulnerabilities(vulnerabilities []database.VulnerabilityWithAffected) error {
defer observeQueryTime("insertVulnerabilities", "all", time.Now())
// bulk insert vulnerabilities
vulnIDs, err := tx.insertVulnerabilities(vulnerabilities)
if err != nil {
return err
}
// bulk insert vulnerability affected features
vulnFeatureMap, err := tx.insertVulnerabilityAffected(vulnIDs, vulnerabilities)
if err != nil {
return err
}
return nil
return tx.cacheVulnerabiltyAffectedNamespacedFeature(vulnFeatureMap)
}
func (pgSQL *pgSQL) insertVulnerability(vulnerability database.Vulnerability, onlyFixedIn, generateNotification bool) error {
tf := time.Now()
// insertVulnerabilityAffected inserts a set of vulnerability affected features for each vulnerability provided.
//
// i_th vulnerabilityIDs corresponds to i_th vulnerabilities provided.
func (tx *pgSession) insertVulnerabilityAffected(vulnerabilityIDs []int64, vulnerabilities []database.VulnerabilityWithAffected) (map[int64]affectedFeatureRows, error) {
var (
vulnFeature = map[int64]affectedFeatureRows{}
affectedID int64
)
// Verify parameters
if vulnerability.Name == "" || vulnerability.Namespace.Name == "" {
return commonerr.NewBadRequestError("insertVulnerability needs at least the Name and the Namespace")
}
for i := 0; i < len(vulnerability.FixedIn); i++ {
fifv := &vulnerability.FixedIn[i]
if fifv.Feature.Namespace.Name == "" {
// As there is no Namespace on that FixedIn FeatureVersion, set it to the Vulnerability's
// Namespace.
fifv.Feature.Namespace = vulnerability.Namespace
} else if fifv.Feature.Namespace.Name != vulnerability.Namespace.Name {
msg := "could not insert an invalid vulnerability that contains FixedIn FeatureVersion that are not in the same namespace as the Vulnerability"
log.Warning(msg)
return commonerr.NewBadRequestError(msg)
}
}
// We do `defer observeQueryTime` here because we don't want to observe invalid vulnerabilities.
defer observeQueryTime("insertVulnerability", "all", tf)
// Begin transaction.
tx, err := pgSQL.Begin()
//TODO(Sida): Change to bulk insert.
stmt, err := tx.Prepare(insertVulnerabilityAffected)
if err != nil {
tx.Rollback()
return handleError("insertVulnerability.Begin()", err)
return nil, handleError("insertVulnerabilityAffected", err)
}
// Find existing vulnerability and its Vulnerability_FixedIn_Features (for update).
existingVulnerability, err := findVulnerability(tx, vulnerability.Namespace.Name, vulnerability.Name, true)
if err != nil && err != commonerr.ErrNotFound {
tx.Rollback()
return err
}
if onlyFixedIn {
// Because this call tries to update FixedIn FeatureVersion, import all other data from the
// existing one.
if existingVulnerability.ID == 0 {
return commonerr.ErrNotFound
}
fixedIn := vulnerability.FixedIn
vulnerability = existingVulnerability
vulnerability.FixedIn = fixedIn
}
if existingVulnerability.ID != 0 {
updateMetadata := vulnerability.Description != existingVulnerability.Description ||
vulnerability.Link != existingVulnerability.Link ||
vulnerability.Severity != existingVulnerability.Severity ||
!reflect.DeepEqual(castMetadata(vulnerability.Metadata), existingVulnerability.Metadata)
// Construct the entire list of FixedIn FeatureVersion, by using the
// the FixedIn list of the old vulnerability.
//
// TODO(Quentin-M): We could use !updateFixedIn to just copy FixedIn/Affects rows from the
// existing vulnerability in order to make metadata updates much faster.
var updateFixedIn bool
vulnerability.FixedIn, updateFixedIn = applyFixedInDiff(existingVulnerability.FixedIn, vulnerability.FixedIn)
if !updateMetadata && !updateFixedIn {
tx.Commit()
return nil
}
// Mark the old vulnerability as non latest.
_, err = tx.Exec(removeVulnerability, vulnerability.Namespace.Name, vulnerability.Name)
defer stmt.Close()
for i, vuln := range vulnerabilities {
// affected feature row ID -> affected feature
affectedFeatures := map[int64]database.AffectedFeature{}
for _, f := range vuln.Affected {
err := stmt.QueryRow(vulnerabilityIDs[i], f.FeatureName, f.AffectedVersion, f.FixedInVersion).Scan(&affectedID)
if err != nil {
tx.Rollback()
return handleError("removeVulnerability", err)
return nil, handleError("insertVulnerabilityAffected", err)
}
} else {
// The vulnerability is new, we don't want to have any
// versionfmt.MinVersion as they are only used for diffing existing
// vulnerabilities.
var fixedIn []database.FeatureVersion
for _, fv := range vulnerability.FixedIn {
if fv.Version != versionfmt.MinVersion {
fixedIn = append(fixedIn, fv)
affectedFeatures[affectedID] = f
}
}
vulnerability.FixedIn = fixedIn
vulnFeature[vulnerabilityIDs[i]] = affectedFeatureRows{rows: affectedFeatures}
}
// Find or insert Vulnerability's Namespace.
namespaceID, err := pgSQL.insertNamespace(vulnerability.Namespace)
return vulnFeature, nil
}
// insertVulnerabilities inserts a set of unique vulnerabilities into database,
// under the assumption that all vulnerabilities are valid.
func (tx *pgSession) insertVulnerabilities(vulnerabilities []database.VulnerabilityWithAffected) ([]int64, error) {
var (
vulnID int64
vulnIDs = make([]int64, 0, len(vulnerabilities))
vulnMap = map[database.VulnerabilityID]struct{}{}
)
for _, v := range vulnerabilities {
key := database.VulnerabilityID{
Name: v.Name,
Namespace: v.Namespace.Name,
}
// Ensure uniqueness of vulnerability IDs
if _, ok := vulnMap[key]; ok {
return nil, errors.New("inserting duplicated vulnerabilities is not allowed")
}
vulnMap[key] = struct{}{}
}
//TODO(Sida): Change to bulk insert.
stmt, err := tx.Prepare(insertVulnerability)
if err != nil {
return err
return nil, handleError("insertVulnerability", err)
}
// Insert vulnerability.
err = tx.QueryRow(
insertVulnerability,
namespaceID,
vulnerability.Name,
vulnerability.Description,
vulnerability.Link,
&vulnerability.Severity,
&vulnerability.Metadata,
).Scan(&vulnerability.ID)
defer stmt.Close()
for _, vuln := range vulnerabilities {
err := stmt.QueryRow(vuln.Name, vuln.Description,
vuln.Link, &vuln.Severity, &vuln.Metadata,
vuln.Namespace.Name, vuln.Namespace.VersionFormat).Scan(&vulnID)
if err != nil {
tx.Rollback()
return handleError("insertVulnerability", err)
return nil, handleError("insertVulnerability", err)
}
// Update Vulnerability_FixedIn_Feature and Vulnerability_Affects_FeatureVersion now.
err = pgSQL.insertVulnerabilityFixedInFeatureVersions(tx, vulnerability.ID, vulnerability.FixedIn)
if err != nil {
tx.Rollback()
return err
vulnIDs = append(vulnIDs, vulnID)
}
// Create a notification.
if generateNotification {
err = createNotification(tx, existingVulnerability.ID, vulnerability.ID)
if err != nil {
return err
}
}
// Commit transaction.
err = tx.Commit()
if err != nil {
tx.Rollback()
return handleError("insertVulnerability.Commit()", err)
}
return nil
return vulnIDs, nil
}
// castMetadata marshals the given database.MetadataMap and unmarshals it again to make sure that
@ -376,241 +231,208 @@ func castMetadata(m database.MetadataMap) database.MetadataMap {
return c
}
// applyFixedInDiff applies a FeatureVersion diff on a FeatureVersion list and returns the result.
func applyFixedInDiff(currentList, diff []database.FeatureVersion) ([]database.FeatureVersion, bool) {
currentMap, currentNames := createFeatureVersionNameMap(currentList)
diffMap, diffNames := createFeatureVersionNameMap(diff)
addedNames := compareStringLists(diffNames, currentNames)
inBothNames := compareStringListsInBoth(diffNames, currentNames)
different := false
for _, name := range addedNames {
if diffMap[name].Version == versionfmt.MinVersion {
// MinVersion only makes sense when a Feature is already fixed in some version,
// in which case we would be in the "inBothNames".
continue
}
currentMap[name] = diffMap[name]
different = true
}
for _, name := range inBothNames {
fv := diffMap[name]
if fv.Version == versionfmt.MinVersion {
// MinVersion means that the Feature doesn't affect the Vulnerability anymore.
delete(currentMap, name)
different = true
} else if fv.Version != currentMap[name].Version {
// The version got updated.
currentMap[name] = diffMap[name]
different = true
}
}
// Convert currentMap to a slice and return it.
var newList []database.FeatureVersion
for _, fv := range currentMap {
newList = append(newList, fv)
}
return newList, different
}
func createFeatureVersionNameMap(features []database.FeatureVersion) (map[string]database.FeatureVersion, []string) {
m := make(map[string]database.FeatureVersion, 0)
s := make([]string, 0, len(features))
for i := 0; i < len(features); i++ {
featureVersion := features[i]
m[featureVersion.Feature.Name] = featureVersion
s = append(s, featureVersion.Feature.Name)
}
return m, s
}
// insertVulnerabilityFixedInFeatureVersions populates Vulnerability_FixedIn_Feature for the given
// vulnerability with the specified database.FeatureVersion list and uses
// linkVulnerabilityToFeatureVersions to propagate the changes on Vulnerability_FixedIn_Feature to
// Vulnerability_Affects_FeatureVersion.
func (pgSQL *pgSQL) insertVulnerabilityFixedInFeatureVersions(tx *sql.Tx, vulnerabilityID int, fixedIn []database.FeatureVersion) error {
defer observeQueryTime("insertVulnerabilityFixedInFeatureVersions", "all", time.Now())
// Insert or find the Features.
// TODO(Quentin-M): Batch me.
var err error
var features []*database.Feature
for i := 0; i < len(fixedIn); i++ {
features = append(features, &fixedIn[i].Feature)
}
for _, feature := range features {
if feature.ID == 0 {
if feature.ID, err = pgSQL.insertFeature(*feature); err != nil {
return err
}
}
}
// Lock Vulnerability_Affects_FeatureVersion exclusively.
// We want to prevent InsertFeatureVersion to modify it.
promConcurrentLockVAFV.Inc()
defer promConcurrentLockVAFV.Dec()
t := time.Now()
_, err = tx.Exec(lockVulnerabilityAffects)
observeQueryTime("insertVulnerability", "lock", t)
func (tx *pgSession) lockFeatureVulnerabilityCache() error {
_, err := tx.Exec(lockVulnerabilityAffects)
if err != nil {
tx.Rollback()
return handleError("insertVulnerability.lockVulnerabilityAffects", err)
return handleError("lockVulnerabilityAffects", err)
}
for _, fv := range fixedIn {
var fixedInID int
var created bool
// Find or create entry in Vulnerability_FixedIn_Feature.
err = tx.QueryRow(
soiVulnerabilityFixedInFeature,
vulnerabilityID, fv.Feature.ID,
&fv.Version,
).Scan(&created, &fixedInID)
if err != nil {
return handleError("insertVulnerabilityFixedInFeature", err)
}
if !created {
// The relationship between the feature and the vulnerability already
// existed, no need to update Vulnerability_Affects_FeatureVersion.
continue
}
// Insert Vulnerability_Affects_FeatureVersion.
err = linkVulnerabilityToFeatureVersions(tx, fixedInID, vulnerabilityID, fv.Feature.ID, fv.Feature.Namespace.VersionFormat, fv.Version)
if err != nil {
return err
}
}
return nil
}
func linkVulnerabilityToFeatureVersions(tx *sql.Tx, fixedInID, vulnerabilityID, featureID int, versionFormat, fixedInVersion string) error {
// Find every FeatureVersions of the Feature that the vulnerability affects.
// TODO(Quentin-M): LIMIT
rows, err := tx.Query(searchFeatureVersionByFeature, featureID)
// cacheVulnerabiltyAffectedNamespacedFeature takes in a map of vulnerability ID
// to affected feature rows and caches them.
func (tx *pgSession) cacheVulnerabiltyAffectedNamespacedFeature(affected map[int64]affectedFeatureRows) error {
// Prevent InsertNamespacedFeatures to modify it.
err := tx.lockFeatureVulnerabilityCache()
if err != nil {
return handleError("searchFeatureVersionByFeature", err)
return err
}
vulnIDs := []int64{}
for id := range affected {
vulnIDs = append(vulnIDs, id)
}
rows, err := tx.Query(searchVulnerabilityPotentialAffected, pq.Array(vulnIDs))
if err != nil {
return handleError("searchVulnerabilityPotentialAffected", err)
}
defer rows.Close()
var affecteds []database.FeatureVersion
relation := []affectRelation{}
for rows.Next() {
var affected database.FeatureVersion
var (
vulnID int64
nsfID int64
fVersion string
addedBy int64
)
err := rows.Scan(&affected.ID, &affected.Version)
err := rows.Scan(&vulnID, &nsfID, &fVersion, &addedBy)
if err != nil {
return handleError("searchFeatureVersionByFeature.Scan()", err)
return handleError("searchVulnerabilityPotentialAffected", err)
}
cmp, err := versionfmt.Compare(versionFormat, affected.Version, fixedInVersion)
if err != nil {
candidate, ok := affected[vulnID].rows[addedBy]
if !ok {
return errors.New("vulnerability affected feature not found")
}
if in, err := versionfmt.InRange(candidate.Namespace.VersionFormat,
fVersion,
candidate.AffectedVersion); err == nil {
if in {
relation = append(relation,
affectRelation{
vulnerabilityID: vulnID,
namespacedFeatureID: nsfID,
addedBy: addedBy,
})
}
} else {
return err
}
if cmp < 0 {
// The version of the FeatureVersion is lower than the fixed version of this vulnerability,
// thus, this FeatureVersion is affected by it.
affecteds = append(affecteds, affected)
}
}
if err = rows.Err(); err != nil {
return handleError("searchFeatureVersionByFeature.Rows()", err)
}
rows.Close()
// Insert into Vulnerability_Affects_FeatureVersion.
for _, affected := range affecteds {
// TODO(Quentin-M): Batch me.
_, err := tx.Exec(insertVulnerabilityAffectsFeatureVersion, vulnerabilityID, affected.ID, fixedInID)
//TODO(Sida): Change to bulk insert.
for _, r := range relation {
result, err := tx.Exec(insertVulnerabilityAffectedNamespacedFeature, r.vulnerabilityID, r.namespacedFeatureID, r.addedBy)
if err != nil {
return handleError("insertVulnerabilityAffectsFeatureVersion", err)
return handleError("insertVulnerabilityAffectedNamespacedFeature", err)
}
if num, err := result.RowsAffected(); err == nil {
if num <= 0 {
return errors.New("Nothing cached in database")
}
} else {
return err
}
}
log.Debugf("Cached %d features in vulnerability_affected_namespaced_feature", len(relation))
return nil
}
func (pgSQL *pgSQL) InsertVulnerabilityFixes(vulnerabilityNamespace, vulnerabilityName string, fixes []database.FeatureVersion) error {
defer observeQueryTime("InsertVulnerabilityFixes", "all", time.Now())
v := database.Vulnerability{
Name: vulnerabilityName,
Namespace: database.Namespace{
Name: vulnerabilityNamespace,
},
FixedIn: fixes,
}
return pgSQL.insertVulnerability(v, true, true)
}
func (pgSQL *pgSQL) DeleteVulnerabilityFix(vulnerabilityNamespace, vulnerabilityName, featureName string) error {
defer observeQueryTime("DeleteVulnerabilityFix", "all", time.Now())
v := database.Vulnerability{
Name: vulnerabilityName,
Namespace: database.Namespace{
Name: vulnerabilityNamespace,
},
FixedIn: []database.FeatureVersion{
{
Feature: database.Feature{
Name: featureName,
Namespace: database.Namespace{
Name: vulnerabilityNamespace,
},
},
Version: versionfmt.MinVersion,
},
},
}
return pgSQL.insertVulnerability(v, true, true)
}
func (pgSQL *pgSQL) DeleteVulnerability(namespaceName, name string) error {
func (tx *pgSession) DeleteVulnerabilities(vulnerabilities []database.VulnerabilityID) error {
defer observeQueryTime("DeleteVulnerability", "all", time.Now())
// Begin transaction.
tx, err := pgSQL.Begin()
if err != nil {
tx.Rollback()
return handleError("DeleteVulnerability.Begin()", err)
}
var vulnerabilityID int
err = tx.QueryRow(removeVulnerability, namespaceName, name).Scan(&vulnerabilityID)
if err != nil {
tx.Rollback()
return handleError("removeVulnerability", err)
}
// Create a notification.
err = createNotification(tx, vulnerabilityID, 0)
vulnIDs, err := tx.markVulnerabilitiesAsDeleted(vulnerabilities)
if err != nil {
return err
}
// Commit transaction.
err = tx.Commit()
if err := tx.invalidateVulnerabilityCache(vulnIDs); err != nil {
return err
}
return nil
}
func (tx *pgSession) invalidateVulnerabilityCache(vulnerabilityIDs []int64) error {
if len(vulnerabilityIDs) == 0 {
return nil
}
// Prevent InsertNamespacedFeatures to modify it.
err := tx.lockFeatureVulnerabilityCache()
if err != nil {
tx.Rollback()
return handleError("DeleteVulnerability.Commit()", err)
return err
}
//TODO(Sida): Make a nicer interface for bulk inserting.
keys := make([]interface{}, len(vulnerabilityIDs))
for i, id := range vulnerabilityIDs {
keys[i] = id
}
_, err = tx.Exec(queryInvalidateVulnerabilityCache(len(vulnerabilityIDs)), keys...)
if err != nil {
return handleError("removeVulnerabilityAffectedFeature", err)
}
return nil
}
func (tx *pgSession) markVulnerabilitiesAsDeleted(vulnerabilities []database.VulnerabilityID) ([]int64, error) {
var (
vulnID sql.NullInt64
vulnIDs []int64
)
// mark vulnerabilities deleted
stmt, err := tx.Prepare(removeVulnerability)
if err != nil {
return nil, handleError("removeVulnerability", err)
}
defer stmt.Close()
for _, vuln := range vulnerabilities {
err := stmt.QueryRow(vuln.Namespace, vuln.Name).Scan(&vulnID)
if err != nil {
return nil, handleError("removeVulnerability", err)
}
if !vulnID.Valid {
return nil, handleError("removeVulnerability", errors.New("Vulnerability to be removed is not in database"))
}
vulnIDs = append(vulnIDs, vulnID.Int64)
}
return vulnIDs, nil
}
// findLatestDeletedVulnerabilityIDs requires all elements in vulnIDs are in
// database and the order of output array is not guaranteed.
func (tx *pgSession) findLatestDeletedVulnerabilityIDs(vulnIDs []database.VulnerabilityID) ([]sql.NullInt64, error) {
return tx.findVulnerabilityIDs(vulnIDs, true)
}
func (tx *pgSession) findNotDeletedVulnerabilityIDs(vulnIDs []database.VulnerabilityID) ([]sql.NullInt64, error) {
return tx.findVulnerabilityIDs(vulnIDs, false)
}
func (tx *pgSession) findVulnerabilityIDs(vulnIDs []database.VulnerabilityID, withLatestDeleted bool) ([]sql.NullInt64, error) {
if len(vulnIDs) == 0 {
return nil, nil
}
vulnIDMap := map[database.VulnerabilityID]sql.NullInt64{}
keys := make([]interface{}, len(vulnIDs)*2)
for i, vulnID := range vulnIDs {
keys[i*2] = vulnID.Name
keys[i*2+1] = vulnID.Namespace
vulnIDMap[vulnID] = sql.NullInt64{}
}
query := ""
if withLatestDeleted {
query = querySearchLastDeletedVulnerabilityID(len(vulnIDs))
} else {
query = querySearchNotDeletedVulnerabilityID(len(vulnIDs))
}
rows, err := tx.Query(query, keys...)
if err != nil {
return nil, handleError("querySearchVulnerabilityID.LatestDeleted.Query", err)
}
defer rows.Close()
var (
id sql.NullInt64
vulnID database.VulnerabilityID
)
for rows.Next() {
err := rows.Scan(&id, &vulnID.Name, &vulnID.Namespace)
if err != nil {
return nil, handleError("querySearchVulnerabilityID.LatestDeleted.Scan", err)
}
vulnIDMap[vulnID] = id
}
ids := make([]sql.NullInt64, len(vulnIDs))
for i, v := range vulnIDs {
ids[i] = vulnIDMap[v]
}
return ids, nil
}

523
database/pgsql/vulnerability_test.go
View File

@ -15,282 +15,329 @@
package pgsql
import (
"reflect"
"testing"
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/versionfmt"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/commonerr"
)
func TestFindVulnerability(t *testing.T) {
datastore, err := openDatabaseForTest("FindVulnerability", true)
if err != nil {
t.Error(err)
return
func TestInsertVulnerabilities(t *testing.T) {
store, tx := openSessionForTest(t, "InsertVulnerabilities", true)
ns1 := database.Namespace{
Name: "name",
VersionFormat: "random stuff",
}
defer datastore.Close()
// Find a vulnerability that does not exist.
_, err = datastore.FindVulnerability("", "")
assert.Equal(t, commonerr.ErrNotFound, err)
ns2 := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
// Find a normal vulnerability.
// invalid vulnerability
v1 := database.Vulnerability{
Name: "invalid",
Namespace: ns1,
}
vwa1 := database.VulnerabilityWithAffected{
Vulnerability: v1,
}
// valid vulnerability
v2 := database.Vulnerability{
Name: "valid",
Namespace: ns2,
Severity: database.UnknownSeverity,
}
vwa2 := database.VulnerabilityWithAffected{
Vulnerability: v2,
}
// empty
err := tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{})
assert.Nil(t, err)
// invalid content: vwa1 is invalid
err = tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{vwa1, vwa2})
assert.NotNil(t, err)
tx = restartSession(t, store, tx, false)
// invalid content: duplicated input
err = tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{vwa2, vwa2})
assert.NotNil(t, err)
tx = restartSession(t, store, tx, false)
// valid content
err = tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{vwa2})
assert.Nil(t, err)
tx = restartSession(t, store, tx, true)
// ensure the content is in database
vulns, err := tx.FindVulnerabilities([]database.VulnerabilityID{{Name: "valid", Namespace: "debian:7"}})
if assert.Nil(t, err) && assert.Len(t, vulns, 1) {
assert.True(t, vulns[0].Valid)
}
tx = restartSession(t, store, tx, false)
// valid content: vwa2 removed and inserted
err = tx.DeleteVulnerabilities([]database.VulnerabilityID{{Name: vwa2.Name, Namespace: vwa2.Namespace.Name}})
assert.Nil(t, err)
err = tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{vwa2})
assert.Nil(t, err)
closeTest(t, store, tx)
}
func TestCachingVulnerable(t *testing.T) {
datastore, tx := openSessionForTest(t, "CachingVulnerable", true)
defer closeTest(t, datastore, tx)
ns := database.Namespace{
Name: "debian:8",
VersionFormat: dpkg.ParserName,
}
f := database.NamespacedFeature{
Feature: database.Feature{
Name: "openssl",
Version: "1.0",
VersionFormat: dpkg.ParserName,
},
Namespace: ns,
}
vuln := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "CVE-YAY",
Namespace: ns,
Severity: database.HighSeverity,
},
Affected: []database.AffectedFeature{
{
Namespace: ns,
FeatureName: "openssl",
AffectedVersion: "2.0",
FixedInVersion: "2.1",
},
},
}
vuln2 := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "CVE-YAY2",
Namespace: ns,
Severity: database.HighSeverity,
},
Affected: []database.AffectedFeature{
{
Namespace: ns,
FeatureName: "openssl",
AffectedVersion: "2.1",
FixedInVersion: "2.2",
},
},
}
vulnFixed1 := database.VulnerabilityWithFixedIn{
Vulnerability: database.Vulnerability{
Name: "CVE-YAY",
Namespace: ns,
Severity: database.HighSeverity,
},
FixedInVersion: "2.1",
}
vulnFixed2 := database.VulnerabilityWithFixedIn{
Vulnerability: database.Vulnerability{
Name: "CVE-YAY2",
Namespace: ns,
Severity: database.HighSeverity,
},
FixedInVersion: "2.2",
}
if !assert.Nil(t, tx.InsertVulnerabilities([]database.VulnerabilityWithAffected{vuln, vuln2})) {
t.FailNow()
}
r, err := tx.FindAffectedNamespacedFeatures([]database.NamespacedFeature{f})
assert.Nil(t, err)
assert.Len(t, r, 1)
for _, anf := range r {
if assert.True(t, anf.Valid) && assert.Len(t, anf.AffectedBy, 2) {
for _, a := range anf.AffectedBy {
if a.Name == "CVE-YAY" {
assert.Equal(t, vulnFixed1, a)
} else if a.Name == "CVE-YAY2" {
assert.Equal(t, vulnFixed2, a)
} else {
t.FailNow()
}
}
}
}
}
func TestFindVulnerabilities(t *testing.T) {
datastore, tx := openSessionForTest(t, "FindVulnerabilities", true)
defer closeTest(t, datastore, tx)
vuln, err := tx.FindVulnerabilities([]database.VulnerabilityID{
{Name: "CVE-OPENSSL-1-DEB7", Namespace: "debian:7"},
{Name: "CVE-NOPE", Namespace: "debian:7"},
{Name: "CVE-NOT HERE"},
})
ns := database.Namespace{
Name: "debian:7",
VersionFormat: "dpkg",
}
expectedExisting := []database.VulnerabilityWithAffected{
{
Vulnerability: database.Vulnerability{
Namespace: ns,
Name: "CVE-OPENSSL-1-DEB7",
Description: "A vulnerability affecting OpenSSL < 2.0 on Debian 7.0",
Link: "http://google.com/#q=CVE-OPENSSL-1-DEB7",
Severity: database.HighSeverity,
Namespace: database.Namespace{
Name: "debian:7",
VersionFormat: dpkg.ParserName,
},
FixedIn: []database.FeatureVersion{
Affected: []database.AffectedFeature{
{
Feature: database.Feature{Name: "openssl"},
Version: "2.0",
FeatureName: "openssl",
AffectedVersion: "2.0",
FixedInVersion: "2.0",
Namespace: ns,
},
{
Feature: database.Feature{Name: "libssl"},
Version: "1.9-abc",
FeatureName: "libssl",
AffectedVersion: "1.9-abc",
FixedInVersion: "1.9-abc",
Namespace: ns,
},
},
}
v1f, err := datastore.FindVulnerability("debian:7", "CVE-OPENSSL-1-DEB7")
if assert.Nil(t, err) {
equalsVuln(t, &v1, &v1f)
}
// Find a vulnerability that has no link, no severity and no FixedIn.
v2 := database.Vulnerability{
},
{
Vulnerability: database.Vulnerability{
Namespace: ns,
Name: "CVE-NOPE",
Description: "A vulnerability affecting nothing",
Namespace: database.Namespace{
Name: "debian:7",
VersionFormat: dpkg.ParserName,
},
Severity: database.UnknownSeverity,
}
v2f, err := datastore.FindVulnerability("debian:7", "CVE-NOPE")
if assert.Nil(t, err) {
equalsVuln(t, &v2, &v2f)
}
}
func TestDeleteVulnerability(t *testing.T) {
datastore, err := openDatabaseForTest("InsertVulnerability", true)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
// Delete non-existing Vulnerability.
err = datastore.DeleteVulnerability("TestDeleteVulnerabilityNamespace1", "CVE-OPENSSL-1-DEB7")
assert.Equal(t, commonerr.ErrNotFound, err)
err = datastore.DeleteVulnerability("debian:7", "TestDeleteVulnerabilityVulnerability1")
assert.Equal(t, commonerr.ErrNotFound, err)
// Delete Vulnerability.
err = datastore.DeleteVulnerability("debian:7", "CVE-OPENSSL-1-DEB7")
if assert.Nil(t, err) {
_, err := datastore.FindVulnerability("debian:7", "CVE-OPENSSL-1-DEB7")
assert.Equal(t, commonerr.ErrNotFound, err)
}
}
func TestInsertVulnerability(t *testing.T) {
datastore, err := openDatabaseForTest("InsertVulnerability", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
// Create some data.
n1 := database.Namespace{
Name: "TestInsertVulnerabilityNamespace1",
VersionFormat: dpkg.ParserName,
}
n2 := database.Namespace{
Name: "TestInsertVulnerabilityNamespace2",
VersionFormat: dpkg.ParserName,
}
f1 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion1",
Namespace: n1,
},
Version: "1.0",
}
f2 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion1",
Namespace: n2,
},
Version: "1.0",
}
f3 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion2",
},
Version: versionfmt.MaxVersion,
}
f4 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion2",
},
Version: "1.4",
}
f5 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion3",
},
Version: "1.5",
}
f6 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion4",
},
Version: "0.1",
}
f7 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion5",
},
Version: versionfmt.MaxVersion,
}
f8 := database.FeatureVersion{
Feature: database.Feature{
Name: "TestInsertVulnerabilityFeatureVersion5",
},
Version: versionfmt.MinVersion,
}
// Insert invalid vulnerabilities.
for _, vulnerability := range []database.Vulnerability{
{
Name: "",
Namespace: n1,
FixedIn: []database.FeatureVersion{f1},
Severity: database.UnknownSeverity,
},
{
Name: "TestInsertVulnerability0",
Namespace: database.Namespace{},
FixedIn: []database.FeatureVersion{f1},
Severity: database.UnknownSeverity,
},
{
Name: "TestInsertVulnerability0-",
Namespace: database.Namespace{},
FixedIn: []database.FeatureVersion{f1},
},
{
Name: "TestInsertVulnerability0",
Namespace: n1,
FixedIn: []database.FeatureVersion{f2},
Severity: database.UnknownSeverity,
},
} {
err := datastore.InsertVulnerabilities([]database.Vulnerability{vulnerability}, true)
assert.Error(t, err)
}
// Insert a simple vulnerability and find it.
v1meta := make(map[string]interface{})
v1meta["TestInsertVulnerabilityMetadata1"] = "TestInsertVulnerabilityMetadataValue1"
v1meta["TestInsertVulnerabilityMetadata2"] = struct {
Test string
}{
Test: "TestInsertVulnerabilityMetadataValue1",
expectedExistingMap := map[database.VulnerabilityID]database.VulnerabilityWithAffected{}
for _, v := range expectedExisting {
expectedExistingMap[database.VulnerabilityID{Name: v.Name, Namespace: v.Namespace.Name}] = v
}
v1 := database.Vulnerability{
Name: "TestInsertVulnerability1",
Namespace: n1,
FixedIn: []database.FeatureVersion{f1, f3, f6, f7},
Severity: database.LowSeverity,
Description: "TestInsertVulnerabilityDescription1",
Link: "TestInsertVulnerabilityLink1",
Metadata: v1meta,
nonexisting := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{Name: "CVE-NOT HERE"},
}
err = datastore.InsertVulnerabilities([]database.Vulnerability{v1}, true)
if assert.Nil(t, err) {
v1f, err := datastore.FindVulnerability(n1.Name, v1.Name)
for _, v := range vuln {
if v.Valid {
key := database.VulnerabilityID{
Name: v.Name,
Namespace: v.Namespace.Name,
}
expected, ok := expectedExistingMap[key]
if assert.True(t, ok, "vulnerability not found: "+key.Name+":"+key.Namespace) {
assertVulnerabilityWithAffectedEqual(t, expected, v.VulnerabilityWithAffected)
}
} else if !assert.Equal(t, nonexisting, v.VulnerabilityWithAffected) {
t.FailNow()
}
}
}
// same vulnerability
r, err := tx.FindVulnerabilities([]database.VulnerabilityID{
{Name: "CVE-OPENSSL-1-DEB7", Namespace: "debian:7"},
{Name: "CVE-OPENSSL-1-DEB7", Namespace: "debian:7"},
})
if assert.Nil(t, err) {
equalsVuln(t, &v1, &v1f)
}
}
// Update vulnerability.
v1.Description = "TestInsertVulnerabilityLink2"
v1.Link = "TestInsertVulnerabilityLink2"
v1.Severity = database.HighSeverity
// Update f3 in f4, add fixed in f5, add fixed in f6 which already exists,
// removes fixed in f7 by adding f8 which is f7 but with MinVersion, and
// add fixed by f5 a second time (duplicated).
v1.FixedIn = []database.FeatureVersion{f4, f5, f6, f8, f5}
err = datastore.InsertVulnerabilities([]database.Vulnerability{v1}, true)
if assert.Nil(t, err) {
v1f, err := datastore.FindVulnerability(n1.Name, v1.Name)
if assert.Nil(t, err) {
// Remove f8 from the struct for comparison as it was just here to cancel f7.
// Remove one of the f5 too as it was twice in the struct but the database
// implementation should have dedup'd it.
v1.FixedIn = v1.FixedIn[:len(v1.FixedIn)-2]
// We already had f1 before the update.
// Add it to the struct for comparison.
v1.FixedIn = append(v1.FixedIn, f1)
equalsVuln(t, &v1, &v1f)
}
}
}
func equalsVuln(t *testing.T, expected, actual *database.Vulnerability) {
assert.Equal(t, expected.Name, actual.Name)
assert.Equal(t, expected.Namespace.Name, actual.Namespace.Name)
assert.Equal(t, expected.Description, actual.Description)
assert.Equal(t, expected.Link, actual.Link)
assert.Equal(t, expected.Severity, actual.Severity)
assert.True(t, reflect.DeepEqual(castMetadata(expected.Metadata), actual.Metadata), "Got metadata %#v, expected %#v", actual.Metadata, castMetadata(expected.Metadata))
if assert.Len(t, actual.FixedIn, len(expected.FixedIn)) {
for _, actualFeatureVersion := range actual.FixedIn {
found := false
for _, expectedFeatureVersion := range expected.FixedIn {
if expectedFeatureVersion.Feature.Name == actualFeatureVersion.Feature.Name {
found = true
assert.Equal(t, expected.Namespace.Name, actualFeatureVersion.Feature.Namespace.Name)
assert.Equal(t, expectedFeatureVersion.Version, actualFeatureVersion.Version)
}
}
if !found {
t.Errorf("unexpected package %s in %s", actualFeatureVersion.Feature.Name, expected.Name)
for _, vuln := range r {
if assert.True(t, vuln.Valid) {
expected, _ := expectedExistingMap[database.VulnerabilityID{Name: "CVE-OPENSSL-1-DEB7", Namespace: "debian:7"}]
assertVulnerabilityWithAffectedEqual(t, expected, vuln.VulnerabilityWithAffected)
}
}
}
}
func TestStringComparison(t *testing.T) {
cmp := compareStringLists([]string{"a", "b", "b", "a"}, []string{"a", "c"})
assert.Len(t, cmp, 1)
assert.NotContains(t, cmp, "a")
assert.Contains(t, cmp, "b")
func TestDeleteVulnerabilities(t *testing.T) {
datastore, tx := openSessionForTest(t, "DeleteVulnerabilities", true)
defer closeTest(t, datastore, tx)
cmp = compareStringListsInBoth([]string{"a", "a", "b", "c"}, []string{"a", "c", "c"})
assert.Len(t, cmp, 2)
assert.NotContains(t, cmp, "b")
assert.Contains(t, cmp, "a")
assert.Contains(t, cmp, "c")
remove := []database.VulnerabilityID{}
// empty case
assert.Nil(t, tx.DeleteVulnerabilities(remove))
// invalid case
remove = append(remove, database.VulnerabilityID{})
assert.NotNil(t, tx.DeleteVulnerabilities(remove))
// valid case
validRemove := []database.VulnerabilityID{
{Name: "CVE-OPENSSL-1-DEB7", Namespace: "debian:7"},
{Name: "CVE-NOPE", Namespace: "debian:7"},
}
assert.Nil(t, tx.DeleteVulnerabilities(validRemove))
vuln, err := tx.FindVulnerabilities(validRemove)
if assert.Nil(t, err) {
for _, v := range vuln {
assert.False(t, v.Valid)
}
}
}
func TestFindVulnerabilityIDs(t *testing.T) {
store, tx := openSessionForTest(t, "FindVulnerabilityIDs", true)
defer closeTest(t, store, tx)
ids, err := tx.findLatestDeletedVulnerabilityIDs([]database.VulnerabilityID{{Name: "CVE-DELETED", Namespace: "debian:7"}})
if assert.Nil(t, err) {
if !(assert.Len(t, ids, 1) && assert.True(t, ids[0].Valid) && assert.Equal(t, 3, ids[0].Int64)) {
assert.Fail(t, "")
}
}
ids, err = tx.findNotDeletedVulnerabilityIDs([]database.VulnerabilityID{{Name: "CVE-NOPE", Namespace: "debian:7"}})
if assert.Nil(t, err) {
if !(assert.Len(t, ids, 1) && assert.True(t, ids[0].Valid) && assert.Equal(t, 2, ids[0].Int64)) {
assert.Fail(t, "")
}
}
}
func assertVulnerabilityWithAffectedEqual(t *testing.T, expected database.VulnerabilityWithAffected, actual database.VulnerabilityWithAffected) bool {
return assert.Equal(t, expected.Vulnerability, actual.Vulnerability) && assertAffectedFeaturesEqual(t, expected.Affected, actual.Affected)
}
func assertAffectedFeaturesEqual(t *testing.T, expected []database.AffectedFeature, actual []database.AffectedFeature) bool {
if assert.Len(t, actual, len(expected)) {
has := map[database.AffectedFeature]bool{}
for _, i := range expected {
has[i] = false
}
for _, i := range actual {
if visited, ok := has[i]; !ok {
return false
} else if visited {
return false
}
has[i] = true
}
return true
}
return false
}

14
database/severity.go
View File

@ -36,7 +36,7 @@ const (
// NegligibleSeverity is technically a security problem, but is only
// theoretical in nature, requires a very special situation, has almost no
// install base, or does no real damage. These tend not to get backport from
// upstreams, and will likely not be included in security updates unless
// upstream, and will likely not be included in security updates unless
// there is an easy fix and some other issue causes an update.
NegligibleSeverity Severity = "Negligible"
@ -93,7 +93,7 @@ func NewSeverity(s string) (Severity, error) {
// Compare determines the equality of two severities.
//
// If the severities are equal, returns 0.
// If the receiever is less, returns -1.
// If the receiver is less, returns -1.
// If the receiver is greater, returns 1.
func (s Severity) Compare(s2 Severity) int {
var i1, i2 int
@ -132,3 +132,13 @@ func (s *Severity) Scan(value interface{}) error {
func (s Severity) Value() (driver.Value, error) {
return string(s), nil
}
// Valid checks if the severity is valid or not.
func (s Severity) Valid() bool {
for _, v := range Severities {
if s == v {
return true
}
}
return false
}

23
ext/featurefmt/apk/apk.go
View File

@ -34,17 +34,17 @@ func init() {
type lister struct{}
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion, error) {
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.Feature, error) {
file, exists := files["lib/apk/db/installed"]
if !exists {
return []database.FeatureVersion{}, nil
return []database.Feature{}, nil
}
// Iterate over each line in the "installed" file attempting to parse each
// package into a feature that will be stored in a set to guarantee
// uniqueness.
pkgSet := make(map[string]database.FeatureVersion)
ipkg := database.FeatureVersion{}
pkgSet := make(map[string]database.Feature)
ipkg := database.Feature{}
scanner := bufio.NewScanner(bytes.NewBuffer(file))
for scanner.Scan() {
line := scanner.Text()
@ -55,7 +55,7 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
// Parse the package name or version.
switch {
case line[:2] == "P:":
ipkg.Feature.Name = line[2:]
ipkg.Name = line[2:]
case line[:2] == "V:":
version := string(line[2:])
err := versionfmt.Valid(dpkg.ParserName, version)
@ -67,20 +67,21 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
case line == "":
// Restart if the parser reaches another package definition before
// creating a valid package.
ipkg = database.FeatureVersion{}
ipkg = database.Feature{}
}
// If we have a whole feature, store it in the set and try to parse a new
// one.
if ipkg.Feature.Name != "" && ipkg.Version != "" {
pkgSet[ipkg.Feature.Name+"#"+ipkg.Version] = ipkg
ipkg = database.FeatureVersion{}
if ipkg.Name != "" && ipkg.Version != "" {
pkgSet[ipkg.Name+"#"+ipkg.Version] = ipkg
ipkg = database.Feature{}
}
}
// Convert the map into a slice.
pkgs := make([]database.FeatureVersion, 0, len(pkgSet))
// Convert the map into a slice and attach the version format
pkgs := make([]database.Feature, 0, len(pkgSet))
for _, pkg := range pkgSet {
pkg.VersionFormat = dpkg.ParserName
pkgs = append(pkgs, pkg)
}

66
ext/featurefmt/apk/apk_test.go
View File

@ -19,58 +19,32 @@ import (
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/tarutil"
)
func TestAPKFeatureDetection(t *testing.T) {
testFeatures := []database.Feature{
{Name: "musl", Version: "1.1.14-r10"},
{Name: "busybox", Version: "1.24.2-r9"},
{Name: "alpine-baselayout", Version: "3.0.3-r0"},
{Name: "alpine-keys", Version: "1.1-r0"},
{Name: "zlib", Version: "1.2.8-r2"},
{Name: "libcrypto1.0", Version: "1.0.2h-r1"},
{Name: "libssl1.0", Version: "1.0.2h-r1"},
{Name: "apk-tools", Version: "2.6.7-r0"},
{Name: "scanelf", Version: "1.1.6-r0"},
{Name: "musl-utils", Version: "1.1.14-r10"},
{Name: "libc-utils", Version: "0.7-r0"},
}
for i := range testFeatures {
testFeatures[i].VersionFormat = dpkg.ParserName
}
testData := []featurefmt.TestData{
{
FeatureVersions: []database.FeatureVersion{
{
Feature: database.Feature{Name: "musl"},
Version: "1.1.14-r10",
},
{
Feature: database.Feature{Name: "busybox"},
Version: "1.24.2-r9",
},
{
Feature: database.Feature{Name: "alpine-baselayout"},
Version: "3.0.3-r0",
},
{
Feature: database.Feature{Name: "alpine-keys"},
Version: "1.1-r0",
},
{
Feature: database.Feature{Name: "zlib"},
Version: "1.2.8-r2",
},
{
Feature: database.Feature{Name: "libcrypto1.0"},
Version: "1.0.2h-r1",
},
{
Feature: database.Feature{Name: "libssl1.0"},
Version: "1.0.2h-r1",
},
{
Feature: database.Feature{Name: "apk-tools"},
Version: "2.6.7-r0",
},
{
Feature: database.Feature{Name: "scanelf"},
Version: "1.1.6-r0",
},
{
Feature: database.Feature{Name: "musl-utils"},
Version: "1.1.14-r10",
},
{
Feature: database.Feature{Name: "libc-utils"},
Version: "0.7-r0",
},
},
Features: testFeatures,
Files: tarutil.FilesMap{
"lib/apk/db/installed": featurefmt.LoadFileForTest("apk/testdata/installed"),
},

25
ext/featurefmt/dpkg/dpkg.go
View File

@ -40,16 +40,16 @@ func init() {
featurefmt.RegisterLister("dpkg", dpkg.ParserName, &lister{})
}
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion, error) {
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.Feature, error) {
f, hasFile := files["var/lib/dpkg/status"]
if !hasFile {
return []database.FeatureVersion{}, nil
return []database.Feature{}, nil
}
// Create a map to store packages and ensure their uniqueness
packagesMap := make(map[string]database.FeatureVersion)
packagesMap := make(map[string]database.Feature)
var pkg database.FeatureVersion
var pkg database.Feature
var err error
scanner := bufio.NewScanner(strings.NewReader(string(f)))
for scanner.Scan() {
@ -59,7 +59,7 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
// Package line
// Defines the name of the package
pkg.Feature.Name = strings.TrimSpace(strings.TrimPrefix(line, "Package: "))
pkg.Name = strings.TrimSpace(strings.TrimPrefix(line, "Package: "))
pkg.Version = ""
} else if strings.HasPrefix(line, "Source: ") {
// Source line (Optionnal)
@ -72,7 +72,7 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
md[dpkgSrcCaptureRegexpNames[i]] = strings.TrimSpace(n)
}
pkg.Feature.Name = md["name"]
pkg.Name = md["name"]
if md["version"] != "" {
version := md["version"]
err = versionfmt.Valid(dpkg.ParserName, version)
@ -96,21 +96,22 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
pkg.Version = version
}
} else if line == "" {
pkg.Feature.Name = ""
pkg.Name = ""
pkg.Version = ""
}
// Add the package to the result array if we have all the informations
if pkg.Feature.Name != "" && pkg.Version != "" {
packagesMap[pkg.Feature.Name+"#"+pkg.Version] = pkg
pkg.Feature.Name = ""
if pkg.Name != "" && pkg.Version != "" {
packagesMap[pkg.Name+"#"+pkg.Version] = pkg
pkg.Name = ""
pkg.Version = ""
}
}
// Convert the map to a slice
packages := make([]database.FeatureVersion, 0, len(packagesMap))
// Convert the map to a slice and add version format.
packages := make([]database.Feature, 0, len(packagesMap))
for _, pkg := range packagesMap {
pkg.VersionFormat = dpkg.ParserName
packages = append(packages, pkg)
}

23
ext/featurefmt/dpkg/dpkg_test.go
View File

@ -19,28 +19,35 @@ import (
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/tarutil"
)
func TestDpkgFeatureDetection(t *testing.T) {
testData := []featurefmt.TestData{
// Test an Ubuntu dpkg status file
{
FeatureVersions: []database.FeatureVersion{
testFeatures := []database.Feature{
// Two packages from this source are installed, it should only appear one time
{
Feature: database.Feature{Name: "pam"},
Name: "pam",
Version: "1.1.8-3.1ubuntu3",
},
{
Feature: database.Feature{Name: "makedev"}, // The source name and the package name are equals
Name: "makedev", // The source name and the package name are equals
Version: "2.3.1-93ubuntu1", // The version comes from the "Version:" line
},
{
Feature: database.Feature{Name: "gcc-5"},
Name: "gcc-5",
Version: "5.1.1-12ubuntu1", // The version comes from the "Source:" line
},
},
}
for i := range testFeatures {
testFeatures[i].VersionFormat = dpkg.ParserName
}
testData := []featurefmt.TestData{
// Test an Ubuntu dpkg status file
{
Features: testFeatures,
Files: tarutil.FilesMap{
"var/lib/dpkg/status": featurefmt.LoadFileForTest("dpkg/testdata/status"),
},

53
ext/featurefmt/driver.go
View File

@ -38,8 +38,8 @@ var (
// Lister represents an ability to list the features present in an image layer.
type Lister interface {
// ListFeatures produces a list of FeatureVersions present in an image layer.
ListFeatures(tarutil.FilesMap) ([]database.FeatureVersion, error)
// ListFeatures produces a list of Features present in an image layer.
ListFeatures(tarutil.FilesMap) ([]database.Feature, error)
// RequiredFilenames returns the list of files required to be in the FilesMap
// provided to the ListFeatures method.
@ -71,34 +71,24 @@ func RegisterLister(name string, versionfmt string, l Lister) {
versionfmtListerName[versionfmt] = append(versionfmtListerName[versionfmt], name)
}
// ListFeatures produces the list of FeatureVersions in an image layer using
// ListFeatures produces the list of Features in an image layer using
// every registered Lister.
func ListFeatures(files tarutil.FilesMap, namespace *database.Namespace) ([]database.FeatureVersion, error) {
func ListFeatures(files tarutil.FilesMap, listerNames []string) ([]database.Feature, error) {
listersM.RLock()
defer listersM.RUnlock()
var (
totalFeatures []database.FeatureVersion
listersName []string
found bool
)
var totalFeatures []database.Feature
if namespace == nil {
log.Debug("Can't detect features without namespace")
return totalFeatures, nil
}
if listersName, found = versionfmtListerName[namespace.VersionFormat]; !found {
log.WithFields(log.Fields{"namespace": namespace.Name, "version format": namespace.VersionFormat}).Debug("Unsupported Namespace")
return totalFeatures, nil
}
for _, listerName := range listersName {
features, err := listers[listerName].ListFeatures(files)
for _, name := range listerNames {
if lister, ok := listers[name]; ok {
features, err := lister.ListFeatures(files)
if err != nil {
return totalFeatures, err
return []database.Feature{}, err
}
totalFeatures = append(totalFeatures, features...)
} else {
log.WithField("Name", name).Warn("Unknown Lister")
}
}
return totalFeatures, nil
@ -106,7 +96,7 @@ func ListFeatures(files tarutil.FilesMap, namespace *database.Namespace) ([]data
// RequiredFilenames returns the total list of files required for all
// registered Listers.
func RequiredFilenames() (files []string) {
func RequiredFilenames(listerNames []string) (files []string) {
listersM.RLock()
defer listersM.RUnlock()
@ -117,10 +107,19 @@ func RequiredFilenames() (files []string) {
return
}
// ListListers returns the names of all the registered feature listers.
func ListListers() []string {
r := []string{}
for name := range listers {
r = append(r, name)
}
return r
}
// TestData represents the data used to test an implementation of Lister.
type TestData struct {
Files tarutil.FilesMap
FeatureVersions []database.FeatureVersion
Features []database.Feature
}
// LoadFileForTest can be used in order to obtain the []byte contents of a file
@ -136,9 +135,9 @@ func LoadFileForTest(name string) []byte {
func TestLister(t *testing.T, l Lister, testData []TestData) {
for _, td := range testData {
featureVersions, err := l.ListFeatures(td.Files)
if assert.Nil(t, err) && assert.Len(t, featureVersions, len(td.FeatureVersions)) {
for _, expectedFeatureVersion := range td.FeatureVersions {
assert.Contains(t, featureVersions, expectedFeatureVersion)
if assert.Nil(t, err) && assert.Len(t, featureVersions, len(td.Features)) {
for _, expectedFeature := range td.Features {
assert.Contains(t, featureVersions, expectedFeature)
}
}
}

21
ext/featurefmt/rpm/rpm.go
View File

@ -38,27 +38,27 @@ func init() {
featurefmt.RegisterLister("rpm", rpm.ParserName, &lister{})
}
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion, error) {
func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.Feature, error) {
f, hasFile := files["var/lib/rpm/Packages"]
if !hasFile {
return []database.FeatureVersion{}, nil
return []database.Feature{}, nil
}
// Create a map to store packages and ensure their uniqueness
packagesMap := make(map[string]database.FeatureVersion)
packagesMap := make(map[string]database.Feature)
// Write the required "Packages" file to disk
tmpDir, err := ioutil.TempDir(os.TempDir(), "rpm")
defer os.RemoveAll(tmpDir)
if err != nil {
log.WithError(err).Error("could not create temporary folder for RPM detection")
return []database.FeatureVersion{}, commonerr.ErrFilesystem
return []database.Feature{}, commonerr.ErrFilesystem
}
err = ioutil.WriteFile(tmpDir+"/Packages", f, 0700)
if err != nil {
log.WithError(err).Error("could not create temporary file for RPM detection")
return []database.FeatureVersion{}, commonerr.ErrFilesystem
return []database.Feature{}, commonerr.ErrFilesystem
}
// Extract binary package names because RHSA refers to binary package names.
@ -67,7 +67,7 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
log.WithError(err).WithField("output", string(out)).Error("could not query RPM")
// Do not bubble up because we probably won't be able to fix it,
// the database must be corrupted
return []database.FeatureVersion{}, nil
return []database.Feature{}, nil
}
scanner := bufio.NewScanner(strings.NewReader(string(out)))
@ -93,18 +93,17 @@ func (l lister) ListFeatures(files tarutil.FilesMap) ([]database.FeatureVersion,
}
// Add package
pkg := database.FeatureVersion{
Feature: database.Feature{
pkg := database.Feature{
Name: line[0],
},
Version: version,
}
packagesMap[pkg.Feature.Name+"#"+pkg.Version] = pkg
packagesMap[pkg.Name+"#"+pkg.Version] = pkg
}
// Convert the map to a slice
packages := make([]database.FeatureVersion, 0, len(packagesMap))
packages := make([]database.Feature, 0, len(packagesMap))
for _, pkg := range packagesMap {
pkg.VersionFormat = rpm.ParserName
packages = append(packages, pkg)
}

9
ext/featurefmt/rpm/rpm_test.go
View File

@ -19,6 +19,7 @@ import (
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/versionfmt/rpm"
"github.com/coreos/clair/pkg/tarutil"
)
@ -27,16 +28,18 @@ func TestRpmFeatureDetection(t *testing.T) {
// Test a CentOS 7 RPM database
// Memo: Use the following command on a RPM-based system to shrink a database: rpm -qa --qf "%{NAME}\n" |tail -n +3| xargs rpm -e --justdb
{
FeatureVersions: []database.FeatureVersion{
Features: []database.Feature{
// Two packages from this source are installed, it should only appear once
{
Feature: database.Feature{Name: "centos-release"},
Name: "centos-release",
Version: "7-1.1503.el7.centos.2.8",
VersionFormat: rpm.ParserName,
},
// Two packages from this source are installed, it should only appear once
{
Feature: database.Feature{Name: "filesystem"},
Name: "filesystem",
Version: "3.2-18.el7",
VersionFormat: rpm.ParserName,
},
},
Files: tarutil.FilesMap{

21
ext/featurens/driver.go
View File

@ -69,21 +69,25 @@ func RegisterDetector(name string, d Detector) {
}
// Detect iterators through all registered Detectors and returns all non-nil detected namespaces
func Detect(files tarutil.FilesMap) ([]database.Namespace, error) {
func Detect(files tarutil.FilesMap, detectorNames []string) ([]database.Namespace, error) {
detectorsM.RLock()
defer detectorsM.RUnlock()
namespaces := map[string]*database.Namespace{}
for name, detector := range detectors {
for _, name := range detectorNames {
if detector, ok := detectors[name]; ok {
namespace, err := detector.Detect(files)
if err != nil {
log.WithError(err).WithField("name", name).Warning("failed while attempting to detect namespace")
return []database.Namespace{}, err
return nil, err
}
if namespace != nil {
log.WithFields(log.Fields{"name": name, "namespace": namespace.Name}).Debug("detected namespace")
namespaces[namespace.Name] = namespace
}
} else {
log.WithField("Name", name).Warn("Unknown namespace detector")
}
}
nslist := []database.Namespace{}
@ -95,7 +99,7 @@ func Detect(files tarutil.FilesMap) ([]database.Namespace, error) {
// RequiredFilenames returns the total list of files required for all
// registered Detectors.
func RequiredFilenames() (files []string) {
func RequiredFilenames(detectorNames []string) (files []string) {
detectorsM.RLock()
defer detectorsM.RUnlock()
@ -106,6 +110,15 @@ func RequiredFilenames() (files []string) {
return
}
// ListDetectors returns the names of all registered namespace detectors.
func ListDetectors() []string {
r := []string{}
for name := range detectors {
r = append(r, name)
}
return r
}
// TestData represents the data used to test an implementation of Detector.
type TestData struct {
Files tarutil.FilesMap

2
ext/featurens/driver_test.go
View File

@ -35,7 +35,7 @@ func assertnsNameEqual(t *testing.T, nslist_expected, nslist []database.Namespac
func testMultipleNamespace(t *testing.T, testData []MultipleNamespaceTestData) {
for _, td := range testData {
nslist, err := featurens.Detect(td.Files)
nslist, err := featurens.Detect(td.Files, featurens.ListDetectors())
assert.Nil(t, err)
assertnsNameEqual(t, td.ExpectedNamespaces, nslist)
}

2
ext/imagefmt/driver.go
View File

@ -38,7 +38,7 @@ import (
var (
// ErrCouldNotFindLayer is returned when we could not download or open the layer file.
ErrCouldNotFindLayer = commonerr.NewBadRequestError("could not find layer")
ErrCouldNotFindLayer = commonerr.NewBadRequestError("could not find layer from given path")
// insecureTLS controls whether TLS server's certificate chain and hostname are verified
// when pulling layers, verified in default.

4
ext/notification/driver.go
View File

@ -23,8 +23,6 @@ package notification
import (
"sync"
"time"
"github.com/coreos/clair/database"
)
var (
@ -47,7 +45,7 @@ type Sender interface {
Configure(*Config) (bool, error)
// Send informs the existence of the specified notification.
Send(notification database.VulnerabilityNotification) error
Send(notificationName string) error
}
// RegisterSender makes a Sender available by the provided name.

5
ext/notification/webhook/webhook.go
View File

@ -29,7 +29,6 @@ import (
"gopkg.in/yaml.v2"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/notification"
)
@ -112,9 +111,9 @@ type notificationEnvelope struct {
}
}
func (s *sender) Send(notification database.VulnerabilityNotification) error {
func (s *sender) Send(notificationName string) error {
// Marshal notification.
jsonNotification, err := json.Marshal(notificationEnvelope{struct{ Name string }{notification.Name}})
jsonNotification, err := json.Marshal(notificationEnvelope{struct{ Name string }{notificationName}})
if err != nil {
return fmt.Errorf("could not marshal: %s", err)
}

12
ext/versionfmt/dpkg/parser.go
View File

@ -120,6 +120,18 @@ func (p parser) Valid(str string) bool {
return err == nil
}
func (p parser) InRange(versionA, rangeB string) (bool, error) {
cmp, err := p.Compare(versionA, rangeB)
if err != nil {
return false, err
}
return cmp < 0, nil
}
func (p parser) GetFixedIn(fixedIn string) (string, error) {
return fixedIn, nil
}
// Compare function compares two Debian-like package version
//
// The implementation is based on http://man.he.net/man5/deb-version

39
ext/versionfmt/driver.go
View File

@ -19,6 +19,8 @@ package versionfmt
import (
"errors"
"sync"
log "github.com/sirupsen/logrus"
)
const (
@ -50,6 +52,18 @@ type Parser interface {
// Compare parses two different version strings.
// Returns 0 when equal, -1 when a < b, 1 when b < a.
Compare(a, b string) (int, error)
// InRange computes if a is in range of b
//
// NOTE(Sida): For legacy version formats, rangeB is a version and
// always use if versionA < rangeB as threshold.
InRange(versionA, rangeB string) (bool, error)
// GetFixedIn computes a fixed in version for a certain version range.
//
// NOTE(Sida): For legacy version formats, rangeA is a version and
// be returned directly becuase it was considered fixed in version.
GetFixedIn(rangeA string) (string, error)
}
// RegisterParser provides a way to dynamically register an implementation of a
@ -110,3 +124,28 @@ func Compare(format, versionA, versionB string) (int, error) {
return versionParser.Compare(versionA, versionB)
}
// InRange is a helper function that checks if `versionA` is in `rangeB`
func InRange(format, version, versionRange string) (bool, error) {
versionParser, exists := GetParser(format)
if !exists {
return false, ErrUnknownVersionFormat
}
in, err := versionParser.InRange(version, versionRange)
if err != nil {
log.WithFields(log.Fields{"Format": format, "Version": version, "Range": versionRange}).Error(err)
}
return in, err
}
// GetFixedIn is a helper function that computes the next fixed in version given
// a affected version range `rangeA`.
func GetFixedIn(format, rangeA string) (string, error) {
versionParser, exists := GetParser(format)
if !exists {
return "", ErrUnknownVersionFormat
}
return versionParser.GetFixedIn(rangeA)
}

14
ext/versionfmt/rpm/parser.go
View File

@ -121,6 +121,20 @@ func (p parser) Valid(str string) bool {
return err == nil
}
func (p parser) InRange(versionA, rangeB string) (bool, error) {
cmp, err := p.Compare(versionA, rangeB)
if err != nil {
return false, err
}
return cmp < 0, nil
}
func (p parser) GetFixedIn(fixedIn string) (string, error) {
// In the old version format parser design, the string to determine fixed in
// version is the fixed in version.
return fixedIn, nil
}
func (p parser) Compare(a, b string) (int, error) {
v1, err := newVersion(a)
if err != nil {

36
ext/vulnsrc/alpine/alpine.go
View File

@ -60,10 +60,20 @@ func (u *updater) Update(db database.Datastore) (resp vulnsrc.UpdateResponse, er
// Ask the database for the latest commit we successfully applied.
var dbCommit string
dbCommit, err = db.GetKeyValue(updaterFlag)
tx, err := db.Begin()
if err != nil {
return
}
defer tx.Rollback()
dbCommit, ok, err := tx.FindKeyValue(updaterFlag)
if err != nil {
return
}
if !ok {
dbCommit = ""
}
// Set the updaterFlag to equal the commit processed.
resp.FlagName = updaterFlag
@ -84,7 +94,7 @@ func (u *updater) Update(db database.Datastore) (resp vulnsrc.UpdateResponse, er
// Append any changed vulnerabilities to the response.
for _, namespace := range namespaces {
var vulns []database.Vulnerability
var vulns []database.VulnerabilityWithAffected
var note string
vulns, note, err = parseVulnsFromNamespace(u.repositoryLocalPath, namespace)
if err != nil {
@ -144,7 +154,7 @@ func ls(path string, filter lsFilter) ([]string, error) {
return files, nil
}
func parseVulnsFromNamespace(repositoryPath, namespace string) (vulns []database.Vulnerability, note string, err error) {
func parseVulnsFromNamespace(repositoryPath, namespace string) (vulns []database.VulnerabilityWithAffected, note string, err error) {
nsDir := filepath.Join(repositoryPath, namespace)
var dbFilenames []string
dbFilenames, err = ls(nsDir, filesOnly)
@ -159,7 +169,7 @@ func parseVulnsFromNamespace(repositoryPath, namespace string) (vulns []database
return
}
var fileVulns []database.Vulnerability
var fileVulns []database.VulnerabilityWithAffected
fileVulns, err = parseYAML(file)
if err != nil {
return
@ -216,7 +226,7 @@ type secDBFile struct {
} `yaml:"packages"`
}
func parseYAML(r io.Reader) (vulns []database.Vulnerability, err error) {
func parseYAML(r io.Reader) (vulns []database.VulnerabilityWithAffected, err error) {
var rBytes []byte
rBytes, err = ioutil.ReadAll(r)
if err != nil {
@ -239,20 +249,24 @@ func parseYAML(r io.Reader) (vulns []database.Vulnerability, err error) {
}
for _, vulnStr := range vulnStrs {
var vuln database.Vulnerability
var vuln database.VulnerabilityWithAffected
vuln.Severity = database.UnknownSeverity
vuln.Name = vulnStr
vuln.Link = nvdURLPrefix + vulnStr
vuln.FixedIn = []database.FeatureVersion{
var fixedInVersion string
if version != versionfmt.MaxVersion {
fixedInVersion = version
}
vuln.Affected = []database.AffectedFeature{
{
Feature: database.Feature{
FeatureName: pkg.Name,
AffectedVersion: version,
FixedInVersion: fixedInVersion,
Namespace: database.Namespace{
Name: "alpine:" + file.Distro,
VersionFormat: dpkg.ParserName,
},
Name: pkg.Name,
},
Version: version,
},
}
vulns = append(vulns, vuln)

4
ext/vulnsrc/alpine/alpine_test.go
View File

@ -36,7 +36,7 @@ func TestYAMLParsing(t *testing.T) {
}
assert.Equal(t, 105, len(vulns))
assert.Equal(t, "CVE-2016-5387", vulns[0].Name)
assert.Equal(t, "alpine:v3.4", vulns[0].FixedIn[0].Feature.Namespace.Name)
assert.Equal(t, "apache2", vulns[0].FixedIn[0].Feature.Name)
assert.Equal(t, "alpine:v3.4", vulns[0].Affected[0].Namespace.Name)
assert.Equal(t, "apache2", vulns[0].Affected[0].FeatureName)
assert.Equal(t, "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5387", vulns[0].Link)
}

88
ext/vulnsrc/debian/debian.go
View File

@ -62,6 +62,27 @@ func init() {
func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateResponse, err error) {
log.WithField("package", "Debian").Info("Start fetching vulnerabilities")
tx, err := datastore.Begin()
if err != nil {
return resp, err
}
// Get the SHA-1 of the latest update's JSON data
latestHash, ok, err := tx.FindKeyValue(updaterFlag)
if err != nil {
return resp, err
}
// NOTE(sida): The transaction won't mutate the database and I want the
// transaction to be short.
if err := tx.Rollback(); err != nil {
return resp, err
}
if !ok {
latestHash = ""
}
// Download JSON.
r, err := http.Get(url)
if err != nil {
@ -69,12 +90,6 @@ func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateRespo
return resp, commonerr.ErrCouldNotDownload
}
// Get the SHA-1 of the latest update's JSON data
latestHash, err := datastore.GetKeyValue(updaterFlag)
if err != nil {
return resp, err
}
// Parse the JSON.
resp, err = buildResponse(r.Body, latestHash)
if err != nil {
@ -131,8 +146,8 @@ func buildResponse(jsonReader io.Reader, latestKnownHash string) (resp vulnsrc.U
return resp, nil
}
func parseDebianJSON(data *jsonData) (vulnerabilities []database.Vulnerability, unknownReleases map[string]struct{}) {
mvulnerabilities := make(map[string]*database.Vulnerability)
func parseDebianJSON(data *jsonData) (vulnerabilities []database.VulnerabilityWithAffected, unknownReleases map[string]struct{}) {
mvulnerabilities := make(map[string]*database.VulnerabilityWithAffected)
unknownReleases = make(map[string]struct{})
for pkgName, pkgNode := range *data {
@ -145,6 +160,7 @@ func parseDebianJSON(data *jsonData) (vulnerabilities []database.Vulnerability,
}
// Skip if the status is not determined or the vulnerability is a temporary one.
// TODO: maybe add "undetermined" as Unknown severity.
if !strings.HasPrefix(vulnName, "CVE-") || releaseNode.Status == "undetermined" {
continue
}
@ -152,11 +168,13 @@ func parseDebianJSON(data *jsonData) (vulnerabilities []database.Vulnerability,
// Get or create the vulnerability.
vulnerability, vulnerabilityAlreadyExists := mvulnerabilities[vulnName]
if !vulnerabilityAlreadyExists {
vulnerability = &database.Vulnerability{
vulnerability = &database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: vulnName,
Link: strings.Join([]string{cveURLPrefix, "/", vulnName}, ""),
Severity: database.UnknownSeverity,
Description: vulnNode.Description,
},
}
}
@ -171,10 +189,7 @@ func parseDebianJSON(data *jsonData) (vulnerabilities []database.Vulnerability,
// Determine the version of the package the vulnerability affects.
var version string
var err error
if releaseNode.FixedVersion == "0" {
// This means that the package is not affected by this vulnerability.
version = versionfmt.MinVersion
} else if releaseNode.Status == "open" {
if releaseNode.Status == "open" {
// Open means that the package is currently vulnerable in the latest
// version of this Debian release.
version = versionfmt.MaxVersion
@ -186,21 +201,34 @@ func parseDebianJSON(data *jsonData) (vulnerabilities []database.Vulnerability,
log.WithError(err).WithField("version", version).Warning("could not parse package version. skipping")
continue
}
// FixedVersion = "0" means that the vulnerability affecting
// current feature is not that important
if releaseNode.FixedVersion != "0" {
version = releaseNode.FixedVersion
}
}
if version == "" {
continue
}
var fixedInVersion string
if version != versionfmt.MaxVersion {
fixedInVersion = version
}
// Create and add the feature version.
pkg := database.FeatureVersion{
Feature: database.Feature{
Name: pkgName,
pkg := database.AffectedFeature{
FeatureName: pkgName,
AffectedVersion: version,
FixedInVersion: fixedInVersion,
Namespace: database.Namespace{
Name: "debian:" + database.DebianReleasesMapping[releaseName],
VersionFormat: dpkg.ParserName,
},
},
Version: version,
}
vulnerability.FixedIn = append(vulnerability.FixedIn, pkg)
vulnerability.Affected = append(vulnerability.Affected, pkg)
// Store the vulnerability.
mvulnerabilities[vulnName] = vulnerability
@ -223,30 +251,16 @@ func SeverityFromUrgency(urgency string) database.Severity {
case "not yet assigned":
return database.UnknownSeverity
case "end-of-life":
fallthrough
case "unimportant":
case "end-of-life", "unimportant":
return database.NegligibleSeverity
case "low":
fallthrough
case "low*":
fallthrough
case "low**":
case "low", "low*", "low**":
return database.LowSeverity
case "medium":
fallthrough
case "medium*":
fallthrough
case "medium**":
case "medium", "medium*", "medium**":
return database.MediumSeverity
case "high":
fallthrough
case "high*":
fallthrough
case "high**":
case "high", "high*", "high**":
return database.HighSeverity
default:

71
ext/vulnsrc/debian/debian_test.go
View File

@ -32,103 +32,76 @@ func TestDebianParser(t *testing.T) {
// Test parsing testdata/fetcher_debian_test.json
testFile, _ := os.Open(filepath.Join(filepath.Dir(filename)) + "/testdata/fetcher_debian_test.json")
response, err := buildResponse(testFile, "")
if assert.Nil(t, err) && assert.Len(t, response.Vulnerabilities, 3) {
if assert.Nil(t, err) && assert.Len(t, response.Vulnerabilities, 2) {
for _, vulnerability := range response.Vulnerabilities {
if vulnerability.Name == "CVE-2015-1323" {
assert.Equal(t, "https://security-tracker.debian.org/tracker/CVE-2015-1323", vulnerability.Link)
assert.Equal(t, database.LowSeverity, vulnerability.Severity)
assert.Equal(t, "This vulnerability is not very dangerous.", vulnerability.Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:8",
VersionFormat: dpkg.ParserName,
},
Name: "aptdaemon",
},
Version: versionfmt.MaxVersion,
FeatureName: "aptdaemon",
AffectedVersion: versionfmt.MaxVersion,
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:unstable",
VersionFormat: dpkg.ParserName,
},
Name: "aptdaemon",
},
Version: "1.1.1+bzr982-1",
FeatureName: "aptdaemon",
AffectedVersion: "1.1.1+bzr982-1",
FixedInVersion: "1.1.1+bzr982-1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerability.FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerability.Affected, expectedFeature)
}
} else if vulnerability.Name == "CVE-2003-0779" {
assert.Equal(t, "https://security-tracker.debian.org/tracker/CVE-2003-0779", vulnerability.Link)
assert.Equal(t, database.HighSeverity, vulnerability.Severity)
assert.Equal(t, "But this one is very dangerous.", vulnerability.Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:8",
VersionFormat: dpkg.ParserName,
},
Name: "aptdaemon",
},
Version: "0.7.0",
FeatureName: "aptdaemon",
FixedInVersion: "0.7.0",
AffectedVersion: "0.7.0",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:unstable",
VersionFormat: dpkg.ParserName,
},
Name: "aptdaemon",
},
Version: "0.7.0",
FeatureName: "aptdaemon",
FixedInVersion: "0.7.0",
AffectedVersion: "0.7.0",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:8",
VersionFormat: dpkg.ParserName,
},
Name: "asterisk",
},
Version: "0.5.56",
FeatureName: "asterisk",
FixedInVersion: "0.5.56",
AffectedVersion: "0.5.56",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerability.FixedIn, expectedFeatureVersion)
}
} else if vulnerability.Name == "CVE-2013-2685" {
assert.Equal(t, "https://security-tracker.debian.org/tracker/CVE-2013-2685", vulnerability.Link)
assert.Equal(t, database.NegligibleSeverity, vulnerability.Severity)
assert.Equal(t, "Un-affected packages.", vulnerability.Description)
expectedFeatureVersions := []database.FeatureVersion{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "debian:8",
VersionFormat: dpkg.ParserName,
},
Name: "asterisk",
},
Version: versionfmt.MinVersion,
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerability.FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerability.Affected, expectedFeature)
}
} else {
assert.Fail(t, "Wrong vulnerability name: ", vulnerability.ID)
assert.Fail(t, "Wrong vulnerability name: ", vulnerability.Namespace.Name+":"+vulnerability.Name)
}
}
}

14
ext/vulnsrc/driver.go
View File

@ -39,11 +39,10 @@ type UpdateResponse struct {
FlagName string
FlagValue string
Notes []string
Vulnerabilities []database.Vulnerability
Vulnerabilities []database.VulnerabilityWithAffected
}
// Updater represents anything that can fetch vulnerabilities and insert them
// into a Clair datastore.
// Updater represents anything that can fetch vulnerabilities.
type Updater interface {
// Update gets vulnerability updates.
Update(database.Datastore) (UpdateResponse, error)
@ -88,3 +87,12 @@ func Updaters() map[string]Updater {
return ret
}
// ListUpdaters returns the names of registered vulnerability updaters.
func ListUpdaters() []string {
r := []string{}
for u := range updaters {
r = append(r, u)
}
return r
}

45
ext/vulnsrc/oracle/oracle.go
View File

@ -118,10 +118,20 @@ func compareELSA(left, right int) int {
func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateResponse, err error) {
log.WithField("package", "Oracle Linux").Info("Start fetching vulnerabilities")
// Get the first ELSA we have to manage.
flagValue, err := datastore.GetKeyValue(updaterFlag)
tx, err := datastore.Begin()
if err != nil {
return resp, err
}
defer tx.Rollback()
flagValue, ok, err := tx.FindKeyValue(updaterFlag)
if err != nil {
return resp, err
}
if !ok {
flagValue = ""
}
firstELSA, err := strconv.Atoi(flagValue)
if firstELSA == 0 || err != nil {
@ -192,7 +202,7 @@ func largest(list []int) (largest int) {
func (u *updater) Clean() {}
func parseELSA(ovalReader io.Reader) (vulnerabilities []database.Vulnerability, err error) {
func parseELSA(ovalReader io.Reader) (vulnerabilities []database.VulnerabilityWithAffected, err error) {
// Decode the XML.
var ov oval
err = xml.NewDecoder(ovalReader).Decode(&ov)
@ -205,16 +215,18 @@ func parseELSA(ovalReader io.Reader) (vulnerabilities []database.Vulnerability,
// Iterate over the definitions and collect any vulnerabilities that affect
// at least one package.
for _, definition := range ov.Definitions {
pkgs := toFeatureVersions(definition.Criteria)
pkgs := toFeatures(definition.Criteria)
if len(pkgs) > 0 {
vulnerability := database.Vulnerability{
vulnerability := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: name(definition),
Link: link(definition),
Severity: severity(definition),
Description: description(definition),
},
}
for _, p := range pkgs {
vulnerability.FixedIn = append(vulnerability.FixedIn, p)
vulnerability.Affected = append(vulnerability.Affected, p)
}
vulnerabilities = append(vulnerabilities, vulnerability)
}
@ -298,15 +310,15 @@ func getPossibilities(node criteria) [][]criterion {
return possibilities
}
func toFeatureVersions(criteria criteria) []database.FeatureVersion {
func toFeatures(criteria criteria) []database.AffectedFeature {
// There are duplicates in Oracle .xml files.
// This map is for deduplication.
featureVersionParameters := make(map[string]database.FeatureVersion)
featureVersionParameters := make(map[string]database.AffectedFeature)
possibilities := getPossibilities(criteria)
for _, criterions := range possibilities {
var (
featureVersion database.FeatureVersion
featureVersion database.AffectedFeature
osVersion int
err error
)
@ -321,29 +333,32 @@ func toFeatureVersions(criteria criteria) []database.FeatureVersion {
}
} else if strings.Contains(c.Comment, " is earlier than ") {
const prefixLen = len(" is earlier than ")
featureVersion.Feature.Name = strings.TrimSpace(c.Comment[:strings.Index(c.Comment, " is earlier than ")])
featureVersion.FeatureName = strings.TrimSpace(c.Comment[:strings.Index(c.Comment, " is earlier than ")])
version := c.Comment[strings.Index(c.Comment, " is earlier than ")+prefixLen:]
err := versionfmt.Valid(rpm.ParserName, version)
if err != nil {
log.WithError(err).WithField("version", version).Warning("could not parse package version. skipping")
} else {
featureVersion.Version = version
featureVersion.AffectedVersion = version
if version != versionfmt.MaxVersion {
featureVersion.FixedInVersion = version
}
}
}
}
featureVersion.Feature.Namespace.Name = "oracle" + ":" + strconv.Itoa(osVersion)
featureVersion.Feature.Namespace.VersionFormat = rpm.ParserName
featureVersion.Namespace.Name = "oracle" + ":" + strconv.Itoa(osVersion)
featureVersion.Namespace.VersionFormat = rpm.ParserName
if featureVersion.Feature.Namespace.Name != "" && featureVersion.Feature.Name != "" && featureVersion.Version != "" {
featureVersionParameters[featureVersion.Feature.Namespace.Name+":"+featureVersion.Feature.Name] = featureVersion
if featureVersion.Namespace.Name != "" && featureVersion.FeatureName != "" && featureVersion.AffectedVersion != "" && featureVersion.FixedInVersion != "" {
featureVersionParameters[featureVersion.Namespace.Name+":"+featureVersion.FeatureName] = featureVersion
} else {
log.WithField("criterions", fmt.Sprintf("%v", criterions)).Warning("could not determine a valid package from criterions")
}
}
// Convert the map to slice.
var featureVersionParametersArray []database.FeatureVersion
var featureVersionParametersArray []database.AffectedFeature
for _, fv := range featureVersionParameters {
featureVersionParametersArray = append(featureVersionParametersArray, fv)
}

47
ext/vulnsrc/oracle/oracle_test.go
View File

@ -40,41 +40,38 @@ func TestOracleParser(t *testing.T) {
assert.Equal(t, database.MediumSeverity, vulnerabilities[0].Severity)
assert.Equal(t, ` [3.1.1-7] Resolves: rhbz#1217104 CVE-2015-0252 `, vulnerabilities[0].Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "oracle:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c",
FixedInVersion: "0:3.1.1-7.el7_1",
AffectedVersion: "0:3.1.1-7.el7_1",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "oracle:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c-devel",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c-devel",
FixedInVersion: "0:3.1.1-7.el7_1",
AffectedVersion: "0:3.1.1-7.el7_1",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "oracle:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c-doc",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c-doc",
FixedInVersion: "0:3.1.1-7.el7_1",
AffectedVersion: "0:3.1.1-7.el7_1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerabilities[0].FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerabilities[0].Affected, expectedFeature)
}
}
@ -87,31 +84,29 @@ func TestOracleParser(t *testing.T) {
assert.Equal(t, "http://linux.oracle.com/errata/ELSA-2015-1207.html", vulnerabilities[0].Link)
assert.Equal(t, database.CriticalSeverity, vulnerabilities[0].Severity)
assert.Equal(t, ` [38.1.0-1.0.1.el7_1] - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file [38.1.0-1] - Update to 38.1.0 ESR [38.0.1-2] - Fixed rhbz#1222807 by removing preun section `, vulnerabilities[0].Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "oracle:6",
VersionFormat: rpm.ParserName,
},
Name: "firefox",
},
Version: "0:38.1.0-1.0.1.el6_6",
FeatureName: "firefox",
FixedInVersion: "0:38.1.0-1.0.1.el6_6",
AffectedVersion: "0:38.1.0-1.0.1.el6_6",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "oracle:7",
VersionFormat: rpm.ParserName,
},
Name: "firefox",
},
Version: "0:38.1.0-1.0.1.el7_1",
FeatureName: "firefox",
FixedInVersion: "0:38.1.0-1.0.1.el7_1",
AffectedVersion: "0:38.1.0-1.0.1.el7_1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerabilities[0].FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerabilities[0].Affected, expectedFeature)
}
}
}

52
ext/vulnsrc/rhel/rhel.go
View File

@ -90,11 +90,26 @@ func init() {
func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateResponse, err error) {
log.WithField("package", "RHEL").Info("Start fetching vulnerabilities")
// Get the first RHSA we have to manage.
flagValue, err := datastore.GetKeyValue(updaterFlag)
tx, err := datastore.Begin()
if err != nil {
return resp, err
}
// Get the first RHSA we have to manage.
flagValue, ok, err := tx.FindKeyValue(updaterFlag)
if err != nil {
return resp, err
}
if err := tx.Rollback(); err != nil {
return resp, err
}
if !ok {
flagValue = ""
}
firstRHSA, err := strconv.Atoi(flagValue)
if firstRHSA == 0 || err != nil {
firstRHSA = firstRHEL5RHSA
@ -154,7 +169,7 @@ func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateRespo
func (u *updater) Clean() {}
func parseRHSA(ovalReader io.Reader) (vulnerabilities []database.Vulnerability, err error) {
func parseRHSA(ovalReader io.Reader) (vulnerabilities []database.VulnerabilityWithAffected, err error) {
// Decode the XML.
var ov oval
err = xml.NewDecoder(ovalReader).Decode(&ov)
@ -167,16 +182,18 @@ func parseRHSA(ovalReader io.Reader) (vulnerabilities []database.Vulnerability,
// Iterate over the definitions and collect any vulnerabilities that affect
// at least one package.
for _, definition := range ov.Definitions {
pkgs := toFeatureVersions(definition.Criteria)
pkgs := toFeatures(definition.Criteria)
if len(pkgs) > 0 {
vulnerability := database.Vulnerability{
vulnerability := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: name(definition),
Link: link(definition),
Severity: severity(definition),
Description: description(definition),
},
}
for _, p := range pkgs {
vulnerability.FixedIn = append(vulnerability.FixedIn, p)
vulnerability.Affected = append(vulnerability.Affected, p)
}
vulnerabilities = append(vulnerabilities, vulnerability)
}
@ -260,15 +277,15 @@ func getPossibilities(node criteria) [][]criterion {
return possibilities
}
func toFeatureVersions(criteria criteria) []database.FeatureVersion {
func toFeatures(criteria criteria) []database.AffectedFeature {
// There are duplicates in Red Hat .xml files.
// This map is for deduplication.
featureVersionParameters := make(map[string]database.FeatureVersion)
featureVersionParameters := make(map[string]database.AffectedFeature)
possibilities := getPossibilities(criteria)
for _, criterions := range possibilities {
var (
featureVersion database.FeatureVersion
featureVersion database.AffectedFeature
osVersion int
err error
)
@ -283,34 +300,37 @@ func toFeatureVersions(criteria criteria) []database.FeatureVersion {
}
} else if strings.Contains(c.Comment, " is earlier than ") {
const prefixLen = len(" is earlier than ")
featureVersion.Feature.Name = strings.TrimSpace(c.Comment[:strings.Index(c.Comment, " is earlier than ")])
featureVersion.FeatureName = strings.TrimSpace(c.Comment[:strings.Index(c.Comment, " is earlier than ")])
version := c.Comment[strings.Index(c.Comment, " is earlier than ")+prefixLen:]
err := versionfmt.Valid(rpm.ParserName, version)
if err != nil {
log.WithError(err).WithField("version", version).Warning("could not parse package version. skipping")
} else {
featureVersion.Version = version
featureVersion.Feature.Namespace.VersionFormat = rpm.ParserName
featureVersion.AffectedVersion = version
if version != versionfmt.MaxVersion {
featureVersion.FixedInVersion = version
}
featureVersion.Namespace.VersionFormat = rpm.ParserName
}
}
}
if osVersion >= firstConsideredRHEL {
// TODO(vbatts) this is where features need multiple labels ('centos' and 'rhel')
featureVersion.Feature.Namespace.Name = "centos" + ":" + strconv.Itoa(osVersion)
featureVersion.Namespace.Name = "centos" + ":" + strconv.Itoa(osVersion)
} else {
continue
}
if featureVersion.Feature.Namespace.Name != "" && featureVersion.Feature.Name != "" && featureVersion.Version != "" {
featureVersionParameters[featureVersion.Feature.Namespace.Name+":"+featureVersion.Feature.Name] = featureVersion
if featureVersion.Namespace.Name != "" && featureVersion.FeatureName != "" && featureVersion.AffectedVersion != "" && featureVersion.FixedInVersion != "" {
featureVersionParameters[featureVersion.Namespace.Name+":"+featureVersion.FeatureName] = featureVersion
} else {
log.WithField("criterions", fmt.Sprintf("%v", criterions)).Warning("could not determine a valid package from criterions")
}
}
// Convert the map to slice.
var featureVersionParametersArray []database.FeatureVersion
var featureVersionParametersArray []database.AffectedFeature
for _, fv := range featureVersionParameters {
featureVersionParametersArray = append(featureVersionParametersArray, fv)
}

47
ext/vulnsrc/rhel/rhel_test.go
View File

@ -38,41 +38,38 @@ func TestRHELParser(t *testing.T) {
assert.Equal(t, database.MediumSeverity, vulnerabilities[0].Severity)
assert.Equal(t, `Xerces-C is a validating XML parser written in a portable subset of C++. A flaw was found in the way the Xerces-C XML parser processed certain XML documents. A remote attacker could provide specially crafted XML input that, when parsed by an application using Xerces-C, would cause that application to crash.`, vulnerabilities[0].Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "centos:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c",
AffectedVersion: "0:3.1.1-7.el7_1",
FixedInVersion: "0:3.1.1-7.el7_1",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "centos:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c-devel",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c-devel",
AffectedVersion: "0:3.1.1-7.el7_1",
FixedInVersion: "0:3.1.1-7.el7_1",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "centos:7",
VersionFormat: rpm.ParserName,
},
Name: "xerces-c-doc",
},
Version: "0:3.1.1-7.el7_1",
FeatureName: "xerces-c-doc",
AffectedVersion: "0:3.1.1-7.el7_1",
FixedInVersion: "0:3.1.1-7.el7_1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerabilities[0].FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerabilities[0].Affected, expectedFeature)
}
}
@ -85,31 +82,29 @@ func TestRHELParser(t *testing.T) {
assert.Equal(t, database.CriticalSeverity, vulnerabilities[0].Severity)
assert.Equal(t, `Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.`, vulnerabilities[0].Description)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "centos:6",
VersionFormat: rpm.ParserName,
},
Name: "firefox",
},
Version: "0:38.1.0-1.el6_6",
FeatureName: "firefox",
FixedInVersion: "0:38.1.0-1.el6_6",
AffectedVersion: "0:38.1.0-1.el6_6",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "centos:7",
VersionFormat: rpm.ParserName,
},
Name: "firefox",
},
Version: "0:38.1.0-1.el7_1",
FeatureName: "firefox",
FixedInVersion: "0:38.1.0-1.el7_1",
AffectedVersion: "0:38.1.0-1.el7_1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerabilities[0].FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerabilities[0].Affected, expectedFeature)
}
}
}

51
ext/vulnsrc/ubuntu/ubuntu.go
View File

@ -98,12 +98,25 @@ func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateRespo
return resp, err
}
// Get the latest revision number we successfully applied in the database.
dbRevisionNumber, err := datastore.GetKeyValue("ubuntuUpdater")
tx, err := datastore.Begin()
if err != nil {
return resp, err
}
// Get the latest revision number we successfully applied in the database.
dbRevisionNumber, ok, err := tx.FindKeyValue("ubuntuUpdater")
if err != nil {
return resp, err
}
if err := tx.Rollback(); err != nil {
return resp, err
}
if !ok {
dbRevisionNumber = ""
}
// Get the list of vulnerabilities that we have to update.
modifiedCVE, err := collectModifiedVulnerabilities(revisionNumber, dbRevisionNumber, u.repositoryLocalPath)
if err != nil {
@ -278,11 +291,15 @@ func collectModifiedVulnerabilities(revision int, dbRevision, repositoryLocalPat
return modifiedCVE, nil
}
func parseUbuntuCVE(fileContent io.Reader) (vulnerability database.Vulnerability, unknownReleases map[string]struct{}, err error) {
func parseUbuntuCVE(fileContent io.Reader) (vulnerability database.VulnerabilityWithAffected, unknownReleases map[string]struct{}, err error) {
unknownReleases = make(map[string]struct{})
readingDescription := false
scanner := bufio.NewScanner(fileContent)
// only unique major releases will be considered. All sub releases' (e.g.
// precise/esm) features are considered belong to major releases.
uniqueRelease := map[string]struct{}{}
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
@ -363,8 +380,6 @@ func parseUbuntuCVE(fileContent io.Reader) (vulnerability database.Vulnerability
}
version = md["note"]
}
} else if md["status"] == "not-affected" {
version = versionfmt.MinVersion
} else {
version = versionfmt.MaxVersion
}
@ -372,18 +387,30 @@ func parseUbuntuCVE(fileContent io.Reader) (vulnerability database.Vulnerability
continue
}
releaseName := "ubuntu:" + database.UbuntuReleasesMapping[md["release"]]
if _, ok := uniqueRelease[releaseName+"_:_"+md["package"]]; ok {
continue
}
uniqueRelease[releaseName+"_:_"+md["package"]] = struct{}{}
var fixedinVersion string
if version == versionfmt.MaxVersion {
fixedinVersion = ""
} else {
fixedinVersion = version
}
// Create and add the new package.
featureVersion := database.FeatureVersion{
Feature: database.Feature{
featureVersion := database.AffectedFeature{
Namespace: database.Namespace{
Name: "ubuntu:" + database.UbuntuReleasesMapping[md["release"]],
Name: releaseName,
VersionFormat: dpkg.ParserName,
},
Name: md["package"],
},
Version: version,
FeatureName: md["package"],
AffectedVersion: version,
FixedInVersion: fixedinVersion,
}
vulnerability.FixedIn = append(vulnerability.FixedIn, featureVersion)
vulnerability.Affected = append(vulnerability.Affected, featureVersion)
}
}
}

26
ext/vulnsrc/ubuntu/ubuntu_test.go
View File

@ -44,41 +44,37 @@ func TestUbuntuParser(t *testing.T) {
_, hasUnkownRelease := unknownReleases["unknown"]
assert.True(t, hasUnkownRelease)
expectedFeatureVersions := []database.FeatureVersion{
expectedFeatures := []database.AffectedFeature{
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "ubuntu:14.04",
VersionFormat: dpkg.ParserName,
},
Name: "libmspack",
},
Version: versionfmt.MaxVersion,
FeatureName: "libmspack",
AffectedVersion: versionfmt.MaxVersion,
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "ubuntu:15.04",
VersionFormat: dpkg.ParserName,
},
Name: "libmspack",
},
Version: "0.4-3",
FeatureName: "libmspack",
FixedInVersion: "0.4-3",
AffectedVersion: "0.4-3",
},
{
Feature: database.Feature{
Namespace: database.Namespace{
Name: "ubuntu:15.10",
VersionFormat: dpkg.ParserName,
},
Name: "libmspack-anotherpkg",
},
Version: "0.1",
FeatureName: "libmspack-anotherpkg",
FixedInVersion: "0.1",
AffectedVersion: "0.1",
},
}
for _, expectedFeatureVersion := range expectedFeatureVersions {
assert.Contains(t, vulnerability.FixedIn, expectedFeatureVersion)
for _, expectedFeature := range expectedFeatures {
assert.Contains(t, vulnerability.Affected, expectedFeature)
}
}
}

93
notifier.go
View File

@ -24,7 +24,6 @@ import (
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/notification"
"github.com/coreos/clair/pkg/commonerr"
"github.com/coreos/clair/pkg/stopper"
)
@ -94,14 +93,16 @@ func RunNotifier(config *notification.Config, datastore database.Datastore, stop
go func() {
success, interrupted := handleTask(*notification, stopper, config.Attempts)
if success {
datastore.SetNotificationNotified(notification.Name)
err := markNotificationNotified(datastore, notification.Name)
if err != nil {
log.WithError(err).Error("Failed to mark notification notified")
}
promNotifierLatencyMilliseconds.Observe(float64(time.Since(notification.Created).Nanoseconds()) / float64(time.Millisecond))
}
if interrupted {
running = false
}
datastore.Unlock(notification.Name, whoAmI)
unlock(datastore, notification.Name, whoAmI)
done <- true
}()
@ -112,7 +113,10 @@ func RunNotifier(config *notification.Config, datastore database.Datastore, stop
case <-done:
break outer
case <-time.After(notifierLockRefreshDuration):
datastore.Lock(notification.Name, whoAmI, notifierLockDuration, true)
lock(datastore, notification.Name, whoAmI, notifierLockDuration, true)
case <-stopper.Chan():
running = false
break
}
}
}
@ -120,13 +124,11 @@ func RunNotifier(config *notification.Config, datastore database.Datastore, stop
log.Info("notifier service stopped")
}
func findTask(datastore database.Datastore, renotifyInterval time.Duration, whoAmI string, stopper *stopper.Stopper) *database.VulnerabilityNotification {
func findTask(datastore database.Datastore, renotifyInterval time.Duration, whoAmI string, stopper *stopper.Stopper) *database.NotificationHook {
for {
// Find a notification to send.
notification, err := datastore.GetAvailableNotification(renotifyInterval)
if err != nil {
// There is no notification or an error occurred.
if err != commonerr.ErrNotFound {
notification, ok, err := findNewNotification(datastore, renotifyInterval)
if err != nil || !ok {
if !ok {
log.WithError(err).Warning("could not get notification to send")
}
@ -139,14 +141,14 @@ func findTask(datastore database.Datastore, renotifyInterval time.Duration, whoA
}
// Lock the notification.
if hasLock, _ := datastore.Lock(notification.Name, whoAmI, notifierLockDuration, false); hasLock {
if hasLock, _ := lock(datastore, notification.Name, whoAmI, notifierLockDuration, false); hasLock {
log.WithField(logNotiName, notification.Name).Info("found and locked a notification")
return &notification
}
}
}
func handleTask(n database.VulnerabilityNotification, st *stopper.Stopper, maxAttempts int) (bool, bool) {
func handleTask(n database.NotificationHook, st *stopper.Stopper, maxAttempts int) (bool, bool) {
// Send notification.
for senderName, sender := range notification.Senders() {
var attempts int
@ -167,7 +169,7 @@ func handleTask(n database.VulnerabilityNotification, st *stopper.Stopper, maxAt
}
// Send using the current notifier.
if err := sender.Send(n); err != nil {
if err := sender.Send(n.Name); err != nil {
// Send failed; increase attempts/backoff and retry.
promNotifierBackendErrorsTotal.WithLabelValues(senderName).Inc()
log.WithError(err).WithFields(log.Fields{logSenderName: senderName, logNotiName: n.Name}).Error("could not send notification via notifier")
@ -184,3 +186,66 @@ func handleTask(n database.VulnerabilityNotification, st *stopper.Stopper, maxAt
log.WithField(logNotiName, n.Name).Info("successfully sent notification")
return true, false
}
func findNewNotification(datastore database.Datastore, renotifyInterval time.Duration) (database.NotificationHook, bool, error) {
tx, err := datastore.Begin()
if err != nil {
return database.NotificationHook{}, false, err
}
defer tx.Rollback()
return tx.FindNewNotification(time.Now().Add(-renotifyInterval))
}
func markNotificationNotified(datastore database.Datastore, name string) error {
tx, err := datastore.Begin()
if err != nil {
log.WithError(err).Error("an error happens when beginning database transaction")
}
defer tx.Rollback()
if err := tx.MarkNotificationNotified(name); err != nil {
return err
}
return tx.Commit()
}
// unlock removes a lock with provided name, owner. Internally, it handles
// database transaction and catches error.
func unlock(datastore database.Datastore, name, owner string) {
tx, err := datastore.Begin()
if err != nil {
return
}
defer tx.Rollback()
if err := tx.Unlock(name, owner); err != nil {
return
}
if err := tx.Commit(); err != nil {
return
}
}
func lock(datastore database.Datastore, name string, owner string, duration time.Duration, renew bool) (bool, time.Time) {
// any error will cause the function to catch the error and return false.
tx, err := datastore.Begin()
if err != nil {
return false, time.Time{}
}
defer tx.Rollback()
locked, t, err := tx.Lock(name, owner, duration, renew)
if err != nil {
return false, time.Time{}
}
if locked {
if err := tx.Commit(); err != nil {
return false, time.Time{}
}
}
return locked, t
}

22
pkg/commonerr/errors.go
View File

@ -16,7 +16,11 @@
// codebase.
package commonerr
import "errors"
import (
"errors"
"fmt"
"strings"
)
var (
// ErrFilesystem occurs when a filesystem interaction fails.
@ -45,3 +49,19 @@ func NewBadRequestError(message string) error {
func (e *ErrBadRequest) Error() string {
return e.s
}
// CombineErrors merges a slice of errors into one separated by ";". If all
// errors are nil, return nil.
func CombineErrors(errs ...error) error {
errStr := []string{}
for i, err := range errs {
if err != nil {
errStr = append(errStr, fmt.Sprintf("[%d] %s", i, err.Error()))
}
}
if len(errStr) != 0 {
return errors.New(strings.Join(errStr, ";"))
}
return nil
}

55
pkg/strutil/strutil.go Normal file
View File

@ -0,0 +1,55 @@
// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package strutil
// CompareStringLists returns the strings that are present in X but not in Y.
func CompareStringLists(X, Y []string) []string {
m := make(map[string]bool)
for _, y := range Y {
m[y] = true
}
diff := []string{}
for _, x := range X {
if m[x] {
continue
}
diff = append(diff, x)
m[x] = true
}
return diff
}
// CompareStringListsInBoth returns the strings that are present in both X and Y.
func CompareStringListsInBoth(X, Y []string) []string {
m := make(map[string]struct{})
for _, y := range Y {
m[y] = struct{}{}
}
diff := []string{}
for _, x := range X {
if _, e := m[x]; e {
diff = append(diff, x)
delete(m, x)
}
}
return diff
}

31
database/pgsql/migrations/00007_expand_column_width.go → pkg/strutil/strutil_test.go
View File

@ -12,20 +12,23 @@
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
package strutil
import "github.com/remind101/migrate"
import (
"testing"
func init() {
RegisterMigration(migrate.Migration{
ID: 7,
Up: migrate.Queries([]string{
`ALTER TABLE Namespace ALTER COLUMN version_format SET DATA TYPE varchar(256);`,
`ALTER TABLE Layer ALTER COLUMN name SET DATA TYPE varchar(256);`,
}),
Down: migrate.Queries([]string{
`ALTER TABLE Namespace ALTER COLUMN version_format SET DATA TYPE varchar(128);`,
`ALTER TABLE Layer ALTER COLUMN name SET DATA TYPE varchar(128);`,
}),
})
"github.com/stretchr/testify/assert"
)
func TestStringComparison(t *testing.T) {
cmp := CompareStringLists([]string{"a", "b", "b", "a"}, []string{"a", "c"})
assert.Len(t, cmp, 1)
assert.NotContains(t, cmp, "a")
assert.Contains(t, cmp, "b")
cmp = CompareStringListsInBoth([]string{"a", "a", "b", "c"}, []string{"a", "c", "c"})
assert.Len(t, cmp, 2)
assert.NotContains(t, cmp, "b")
assert.Contains(t, cmp, "a")
assert.Contains(t, cmp, "c")
}

419
updater.go
View File

@ -15,6 +15,7 @@
package clair
import (
"fmt"
"math/rand"
"strconv"
"sync"
@ -53,6 +54,9 @@ var (
Name: "clair_updater_notes_total",
Help: "Number of notes that the vulnerability fetchers generated.",
})
// EnabledUpdaters contains all updaters to be used for update.
EnabledUpdaters []string
)
func init() {
@ -63,16 +67,22 @@ func init() {
// UpdaterConfig is the configuration for the Updater service.
type UpdaterConfig struct {
EnabledUpdaters []string
Interval time.Duration
}
type vulnerabilityChange struct {
old *database.VulnerabilityWithAffected
new *database.VulnerabilityWithAffected
}
// RunUpdater begins a process that updates the vulnerability database at
// regular intervals.
func RunUpdater(config *UpdaterConfig, datastore database.Datastore, st *stopper.Stopper) {
defer st.End()
// Do not run the updater if there is no config or if the interval is 0.
if config == nil || config.Interval == 0 {
if config == nil || config.Interval == 0 || len(config.EnabledUpdaters) == 0 {
log.Info("updater service is disabled.")
return
}
@ -86,11 +96,11 @@ func RunUpdater(config *UpdaterConfig, datastore database.Datastore, st *stopper
// Determine if this is the first update and define the next update time.
// The next update time is (last update time + interval) or now if this is the first update.
nextUpdate := time.Now().UTC()
lastUpdate, firstUpdate, err := getLastUpdate(datastore)
lastUpdate, firstUpdate, err := GetLastUpdateTime(datastore)
if err != nil {
log.WithError(err).Error("an error occured while getting the last update time")
log.WithError(err).Error("an error occurred while getting the last update time")
nextUpdate = nextUpdate.Add(config.Interval)
} else if firstUpdate == false {
} else if !firstUpdate {
nextUpdate = lastUpdate.Add(config.Interval)
}
@ -98,7 +108,7 @@ func RunUpdater(config *UpdaterConfig, datastore database.Datastore, st *stopper
if nextUpdate.Before(time.Now().UTC()) {
// Attempt to get a lock on the the update.
log.Debug("attempting to obtain update lock")
hasLock, hasLockUntil := datastore.Lock(updaterLockName, whoAmI, updaterLockDuration, false)
hasLock, hasLockUntil := lock(datastore, updaterLockName, whoAmI, updaterLockDuration, false)
if hasLock {
// Launch update in a new go routine.
doneC := make(chan bool, 1)
@ -113,14 +123,14 @@ func RunUpdater(config *UpdaterConfig, datastore database.Datastore, st *stopper
done = true
case <-time.After(updaterLockRefreshDuration):
// Refresh the lock until the update is done.
datastore.Lock(updaterLockName, whoAmI, updaterLockDuration, true)
lock(datastore, updaterLockName, whoAmI, updaterLockDuration, true)
case <-st.Chan():
stop = true
}
}
// Unlock the update.
datastore.Unlock(updaterLockName, whoAmI)
// Unlock the updater.
unlock(datastore, updaterLockName, whoAmI)
if stop {
break
@ -132,10 +142,9 @@ func RunUpdater(config *UpdaterConfig, datastore database.Datastore, st *stopper
break
}
continue
} else {
lockOwner, lockExpiration, err := datastore.FindLock(updaterLockName)
if err != nil {
lockOwner, lockExpiration, ok, err := findLock(datastore, updaterLockName)
if !ok || err != nil {
log.Debug("update lock is already taken")
nextUpdate = hasLockUntil
} else {
@ -174,40 +183,74 @@ func sleepUpdater(approxWakeup time.Time, st *stopper.Stopper) (stopped bool) {
return false
}
// update fetches all the vulnerabilities from the registered fetchers, upserts
// them into the database and then sends notifications.
// update fetches all the vulnerabilities from the registered fetchers, updates
// vulnerabilities, and updater flags, and logs notes from updaters.
func update(datastore database.Datastore, firstUpdate bool) {
defer setUpdaterDuration(time.Now())
log.Info("updating vulnerabilities")
// Fetch updates.
status, vulnerabilities, flags, notes := fetch(datastore)
success, vulnerabilities, flags, notes := fetch(datastore)
// Insert vulnerabilities.
log.WithField("count", len(vulnerabilities)).Debug("inserting vulnerabilities for update")
err := datastore.InsertVulnerabilities(vulnerabilities, !firstUpdate)
if err != nil {
promUpdaterErrorsTotal.Inc()
log.WithError(err).Error("an error occured when inserting vulnerabilities for update")
// do vulnerability namespacing again to merge potentially duplicated
// vulnerabilities from each updater.
vulnerabilities = doVulnerabilitiesNamespacing(vulnerabilities)
// deduplicate fetched namespaces and store them into database.
nsMap := map[database.Namespace]struct{}{}
for _, vuln := range vulnerabilities {
nsMap[vuln.Namespace] = struct{}{}
}
namespaces := make([]database.Namespace, 0, len(nsMap))
for ns := range nsMap {
namespaces = append(namespaces, ns)
}
if err := persistNamespaces(datastore, namespaces); err != nil {
log.WithError(err).Error("Unable to insert namespaces")
return
}
vulnerabilities = nil
// Update flags.
for flagName, flagValue := range flags {
datastore.InsertKeyValue(flagName, flagValue)
changes, err := updateVulnerabilities(datastore, vulnerabilities)
defer func() {
if err != nil {
promUpdaterErrorsTotal.Inc()
}
}()
if err != nil {
log.WithError(err).Error("Unable to update vulnerabilities")
return
}
if !firstUpdate {
err = createVulnerabilityNotifications(datastore, changes)
if err != nil {
log.WithError(err).Error("Unable to create notifications")
return
}
}
err = updateUpdaterFlags(datastore, flags)
if err != nil {
log.WithError(err).Error("Unable to update updater flags")
return
}
// Log notes.
for _, note := range notes {
log.WithField("note", note).Warning("fetcher note")
}
promUpdaterNotesTotal.Set(float64(len(notes)))
// Update last successful update if every fetchers worked properly.
if status {
datastore.InsertKeyValue(updaterLastFlagName, strconv.FormatInt(time.Now().UTC().Unix(), 10))
if success {
err = setLastUpdateTime(datastore)
if err != nil {
log.WithError(err).Error("Unable to set last update time")
return
}
}
log.Info("update finished")
@ -218,8 +261,8 @@ func setUpdaterDuration(start time.Time) {
}
// fetch get data from the registered fetchers, in parallel.
func fetch(datastore database.Datastore) (bool, []database.Vulnerability, map[string]string, []string) {
var vulnerabilities []database.Vulnerability
func fetch(datastore database.Datastore) (bool, []database.VulnerabilityWithAffected, map[string]string, []string) {
var vulnerabilities []database.VulnerabilityWithAffected
var notes []string
status := true
flags := make(map[string]string)
@ -227,12 +270,17 @@ func fetch(datastore database.Datastore) (bool, []database.Vulnerability, map[st
// Fetch updates in parallel.
log.Info("fetching vulnerability updates")
var responseC = make(chan *vulnsrc.UpdateResponse, 0)
numUpdaters := 0
for n, u := range vulnsrc.Updaters() {
if !updaterEnabled(n) {
continue
}
numUpdaters++
go func(name string, u vulnsrc.Updater) {
response, err := u.Update(datastore)
if err != nil {
promUpdaterErrorsTotal.Inc()
log.WithError(err).WithField("updater name", name).Error("an error occured when fetching update")
log.WithError(err).WithField("updater name", name).Error("an error occurred when fetching update")
status = false
responseC <- nil
return
@ -244,7 +292,7 @@ func fetch(datastore database.Datastore) (bool, []database.Vulnerability, map[st
}
// Collect results of updates.
for i := 0; i < len(vulnsrc.Updaters()); i++ {
for i := 0; i < numUpdaters; i++ {
resp := <-responseC
if resp != nil {
vulnerabilities = append(vulnerabilities, doVulnerabilitiesNamespacing(resp.Vulnerabilities)...)
@ -259,9 +307,10 @@ func fetch(datastore database.Datastore) (bool, []database.Vulnerability, map[st
return status, addMetadata(datastore, vulnerabilities), flags, notes
}
// Add metadata to the specified vulnerabilities using the registered MetadataFetchers, in parallel.
func addMetadata(datastore database.Datastore, vulnerabilities []database.Vulnerability) []database.Vulnerability {
if len(vulnmdsrc.Appenders()) == 0 {
// Add metadata to the specified vulnerabilities using the registered
// MetadataFetchers, in parallel.
func addMetadata(datastore database.Datastore, vulnerabilities []database.VulnerabilityWithAffected) []database.VulnerabilityWithAffected {
if len(vulnmdsrc.Appenders()) == 0 || len(vulnerabilities) == 0 {
return vulnerabilities
}
@ -272,7 +321,7 @@ func addMetadata(datastore database.Datastore, vulnerabilities []database.Vulner
lockableVulnerabilities := make([]*lockableVulnerability, 0, len(vulnerabilities))
for i := 0; i < len(vulnerabilities); i++ {
lockableVulnerabilities = append(lockableVulnerabilities, &lockableVulnerability{
Vulnerability: &vulnerabilities[i],
VulnerabilityWithAffected: &vulnerabilities[i],
})
}
@ -286,7 +335,7 @@ func addMetadata(datastore database.Datastore, vulnerabilities []database.Vulner
// Build up a metadata cache.
if err := appender.BuildCache(datastore); err != nil {
promUpdaterErrorsTotal.Inc()
log.WithError(err).WithField("appender name", name).Error("an error occured when loading metadata fetcher")
log.WithError(err).WithField("appender name", name).Error("an error occurred when loading metadata fetcher")
return
}
@ -305,13 +354,21 @@ func addMetadata(datastore database.Datastore, vulnerabilities []database.Vulner
return vulnerabilities
}
func getLastUpdate(datastore database.Datastore) (time.Time, bool, error) {
lastUpdateTSS, err := datastore.GetKeyValue(updaterLastFlagName)
// GetLastUpdateTime retrieves the latest successful time of update and whether
// or not it's the first update.
func GetLastUpdateTime(datastore database.Datastore) (time.Time, bool, error) {
tx, err := datastore.Begin()
if err != nil {
return time.Time{}, false, err
}
defer tx.Rollback()
lastUpdateTSS, ok, err := tx.FindKeyValue(updaterLastFlagName)
if err != nil {
return time.Time{}, false, err
}
if lastUpdateTSS == "" {
if !ok {
// This is the first update.
return time.Time{}, true, nil
}
@ -325,7 +382,7 @@ func getLastUpdate(datastore database.Datastore) (time.Time, bool, error) {
}
type lockableVulnerability struct {
*database.Vulnerability
*database.VulnerabilityWithAffected
sync.Mutex
}
@ -349,39 +406,293 @@ func (lv *lockableVulnerability) appendFunc(metadataKey string, metadata interfa
// doVulnerabilitiesNamespacing takes Vulnerabilities that don't have a
// Namespace and split them into multiple vulnerabilities that have a Namespace
// and only contains the FixedIn FeatureVersions corresponding to their
// and only contains the Affected Features corresponding to their
// Namespace.
//
// It helps simplifying the fetchers that share the same metadata about a
// Vulnerability regardless of their actual namespace (ie. same vulnerability
// information for every version of a distro).
func doVulnerabilitiesNamespacing(vulnerabilities []database.Vulnerability) []database.Vulnerability {
vulnerabilitiesMap := make(map[string]*database.Vulnerability)
//
// It also validates the vulnerabilities fetched from updaters. If any
// vulnerability is mal-formated, the updater process will continue but will log
// warning.
func doVulnerabilitiesNamespacing(vulnerabilities []database.VulnerabilityWithAffected) []database.VulnerabilityWithAffected {
vulnerabilitiesMap := make(map[string]*database.VulnerabilityWithAffected)
for _, v := range vulnerabilities {
featureVersions := v.FixedIn
v.FixedIn = []database.FeatureVersion{}
namespacedFeatures := v.Affected
v.Affected = []database.AffectedFeature{}
for _, fv := range featureVersions {
index := fv.Feature.Namespace.Name + ":" + v.Name
for _, fv := range namespacedFeatures {
// validate vulnerabilities, throw out the invalid vulnerabilities
if fv.AffectedVersion == "" || fv.FeatureName == "" || fv.Namespace.Name == "" || fv.Namespace.VersionFormat == "" {
log.WithFields(log.Fields{
"Name": fv.FeatureName,
"Affected Version": fv.AffectedVersion,
"Namespace": fv.Namespace.Name + ":" + fv.Namespace.VersionFormat,
}).Warn("Mal-formated affected feature (skipped)")
continue
}
index := fv.Namespace.Name + ":" + v.Name
if vulnerability, ok := vulnerabilitiesMap[index]; !ok {
newVulnerability := v
newVulnerability.Namespace = fv.Feature.Namespace
newVulnerability.FixedIn = []database.FeatureVersion{fv}
newVulnerability.Namespace = fv.Namespace
newVulnerability.Affected = []database.AffectedFeature{fv}
vulnerabilitiesMap[index] = &newVulnerability
} else {
vulnerability.FixedIn = append(vulnerability.FixedIn, fv)
vulnerability.Affected = append(vulnerability.Affected, fv)
}
}
}
// Convert map into a slice.
var response []database.Vulnerability
for _, vulnerability := range vulnerabilitiesMap {
response = append(response, *vulnerability)
var response []database.VulnerabilityWithAffected
for _, v := range vulnerabilitiesMap {
// throw out invalid vulnerabilities.
if v.Name == "" || !v.Severity.Valid() || v.Namespace.Name == "" || v.Namespace.VersionFormat == "" {
log.WithFields(log.Fields{
"Name": v.Name,
"Severity": v.Severity,
"Namespace": v.Namespace.Name + ":" + v.Namespace.VersionFormat,
}).Warning("Vulnerability is mal-formatted")
continue
}
response = append(response, *v)
}
return response
}
func findLock(datastore database.Datastore, updaterLockName string) (string, time.Time, bool, error) {
tx, err := datastore.Begin()
if err != nil {
log.WithError(err).Error()
}
defer tx.Rollback()
return tx.FindLock(updaterLockName)
}
// updateUpdaterFlags updates the flags specified by updaters, every transaction
// is independent of each other.
func updateUpdaterFlags(datastore database.Datastore, flags map[string]string) error {
for key, value := range flags {
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
err = tx.UpdateKeyValue(key, value)
if err != nil {
return err
}
if err = tx.Commit(); err != nil {
return err
}
}
return nil
}
// setLastUpdateTime records the last successful date time in database.
func setLastUpdateTime(datastore database.Datastore) error {
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
err = tx.UpdateKeyValue(updaterLastFlagName, strconv.FormatInt(time.Now().UTC().Unix(), 10))
if err != nil {
return err
}
return tx.Commit()
}
// isVulnerabilityChange compares two vulnerabilities by their severity and
// affected features, and return true if they are different.
func isVulnerabilityChanged(a *database.VulnerabilityWithAffected, b *database.VulnerabilityWithAffected) bool {
if a == b {
return false
} else if a != nil && b != nil && a.Severity == b.Severity && len(a.Affected) == len(b.Affected) {
checked := map[string]bool{}
for _, affected := range a.Affected {
checked[affected.Namespace.Name+":"+affected.FeatureName] = false
}
for _, affected := range b.Affected {
key := affected.Namespace.Name + ":" + affected.FeatureName
if visited, ok := checked[key]; !ok || visited {
return true
}
checked[key] = true
}
return false
}
return true
}
// findVulnerabilityChanges finds vulnerability changes from old
// vulnerabilities to new vulnerabilities.
// old and new vulnerabilities should be unique.
func findVulnerabilityChanges(old []database.VulnerabilityWithAffected, new []database.VulnerabilityWithAffected) ([]vulnerabilityChange, error) {
changes := map[database.VulnerabilityID]vulnerabilityChange{}
for i, vuln := range old {
key := database.VulnerabilityID{
Name: vuln.Name,
Namespace: vuln.Namespace.Name,
}
if _, ok := changes[key]; ok {
return nil, fmt.Errorf("duplicated old vulnerability")
}
changes[key] = vulnerabilityChange{old: &old[i]}
}
for i, vuln := range new {
key := database.VulnerabilityID{
Name: vuln.Name,
Namespace: vuln.Namespace.Name,
}
if change, ok := changes[key]; ok {
if isVulnerabilityChanged(change.old, &vuln) {
change.new = &new[i]
changes[key] = change
} else {
delete(changes, key)
}
} else {
changes[key] = vulnerabilityChange{new: &new[i]}
}
}
vulnChange := make([]vulnerabilityChange, 0, len(changes))
for _, change := range changes {
vulnChange = append(vulnChange, change)
}
return vulnChange, nil
}
// createVulnerabilityNotifications makes notifications out of vulnerability
// changes and insert them into database.
func createVulnerabilityNotifications(datastore database.Datastore, changes []vulnerabilityChange) error {
log.WithField("count", len(changes)).Debug("creating vulnerability notifications")
if len(changes) == 0 {
return nil
}
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
notifications := make([]database.VulnerabilityNotification, 0, len(changes))
for _, change := range changes {
var oldVuln, newVuln *database.Vulnerability
if change.old != nil {
oldVuln = &change.old.Vulnerability
}
if change.new != nil {
newVuln = &change.new.Vulnerability
}
notifications = append(notifications, database.VulnerabilityNotification{
NotificationHook: database.NotificationHook{
Name: uuid.New(),
Created: time.Now(),
},
Old: oldVuln,
New: newVuln,
})
}
if err := tx.InsertVulnerabilityNotifications(notifications); err != nil {
return err
}
return tx.Commit()
}
// updateVulnerabilities upserts unique vulnerabilities into the database and
// computes vulnerability changes.
func updateVulnerabilities(datastore database.Datastore, vulnerabilities []database.VulnerabilityWithAffected) ([]vulnerabilityChange, error) {
log.WithField("count", len(vulnerabilities)).Debug("updating vulnerabilities")
if len(vulnerabilities) == 0 {
return nil, nil
}
ids := make([]database.VulnerabilityID, 0, len(vulnerabilities))
for _, vuln := range vulnerabilities {
ids = append(ids, database.VulnerabilityID{
Name: vuln.Name,
Namespace: vuln.Namespace.Name,
})
}
tx, err := datastore.Begin()
if err != nil {
return nil, err
}
defer tx.Rollback()
oldVulnNullable, err := tx.FindVulnerabilities(ids)
if err != nil {
return nil, err
}
oldVuln := []database.VulnerabilityWithAffected{}
for _, vuln := range oldVulnNullable {
if vuln.Valid {
oldVuln = append(oldVuln, vuln.VulnerabilityWithAffected)
}
}
changes, err := findVulnerabilityChanges(oldVuln, vulnerabilities)
if err != nil {
return nil, err
}
toRemove := []database.VulnerabilityID{}
toAdd := []database.VulnerabilityWithAffected{}
for _, change := range changes {
if change.old != nil {
toRemove = append(toRemove, database.VulnerabilityID{
Name: change.old.Name,
Namespace: change.old.Namespace.Name,
})
}
if change.new != nil {
toAdd = append(toAdd, *change.new)
}
}
log.WithField("count", len(toRemove)).Debug("marking vulnerabilities as outdated")
if err := tx.DeleteVulnerabilities(toRemove); err != nil {
return nil, err
}
log.WithField("count", len(toAdd)).Debug("inserting new vulnerabilities")
if err := tx.InsertVulnerabilities(toAdd); err != nil {
return nil, err
}
if err := tx.Commit(); err != nil {
return nil, err
}
return changes, nil
}
func updaterEnabled(updaterName string) bool {
for _, u := range EnabledUpdaters {
if u == updaterName {
return true
}
}
return false
}

303
updater_test.go
View File

@ -15,6 +15,7 @@
package clair
import (
"errors"
"fmt"
"testing"
@ -23,49 +24,301 @@ import (
"github.com/coreos/clair/database"
)
type mockUpdaterDatastore struct {
database.MockDatastore
namespaces map[string]database.Namespace
vulnerabilities map[database.VulnerabilityID]database.VulnerabilityWithAffected
vulnNotification map[string]database.VulnerabilityNotification
keyValues map[string]string
}
type mockUpdaterSession struct {
database.MockSession
store *mockUpdaterDatastore
copy mockUpdaterDatastore
terminated bool
}
func copyUpdaterDatastore(md *mockUpdaterDatastore) mockUpdaterDatastore {
namespaces := map[string]database.Namespace{}
for k, n := range md.namespaces {
namespaces[k] = n
}
vulnerabilities := map[database.VulnerabilityID]database.VulnerabilityWithAffected{}
for key, v := range md.vulnerabilities {
newV := v
affected := []database.AffectedFeature{}
for _, f := range v.Affected {
affected = append(affected, f)
}
newV.Affected = affected
vulnerabilities[key] = newV
}
vulnNoti := map[string]database.VulnerabilityNotification{}
for key, v := range md.vulnNotification {
vulnNoti[key] = v
}
kv := map[string]string{}
for key, value := range md.keyValues {
kv[key] = value
}
return mockUpdaterDatastore{
namespaces: namespaces,
vulnerabilities: vulnerabilities,
vulnNotification: vulnNoti,
keyValues: kv,
}
}
func newmockUpdaterDatastore() *mockUpdaterDatastore {
errSessionDone := errors.New("Session Done")
md := &mockUpdaterDatastore{
namespaces: make(map[string]database.Namespace),
vulnerabilities: make(map[database.VulnerabilityID]database.VulnerabilityWithAffected),
vulnNotification: make(map[string]database.VulnerabilityNotification),
keyValues: make(map[string]string),
}
md.FctBegin = func() (database.Session, error) {
session := &mockUpdaterSession{
store: md,
copy: copyUpdaterDatastore(md),
terminated: false,
}
session.FctCommit = func() error {
if session.terminated {
return errSessionDone
}
session.store.namespaces = session.copy.namespaces
session.store.vulnerabilities = session.copy.vulnerabilities
session.store.vulnNotification = session.copy.vulnNotification
session.store.keyValues = session.copy.keyValues
session.terminated = true
return nil
}
session.FctRollback = func() error {
if session.terminated {
return errSessionDone
}
session.terminated = true
session.copy = mockUpdaterDatastore{}
return nil
}
session.FctPersistNamespaces = func(ns []database.Namespace) error {
if session.terminated {
return errSessionDone
}
for _, n := range ns {
_, ok := session.copy.namespaces[n.Name]
if !ok {
session.copy.namespaces[n.Name] = n
}
}
return nil
}
session.FctFindVulnerabilities = func(ids []database.VulnerabilityID) ([]database.NullableVulnerability, error) {
r := []database.NullableVulnerability{}
for _, id := range ids {
vuln, ok := session.copy.vulnerabilities[id]
r = append(r, database.NullableVulnerability{
VulnerabilityWithAffected: vuln,
Valid: ok,
})
}
return r, nil
}
session.FctDeleteVulnerabilities = func(ids []database.VulnerabilityID) error {
for _, id := range ids {
delete(session.copy.vulnerabilities, id)
}
return nil
}
session.FctInsertVulnerabilities = func(vulnerabilities []database.VulnerabilityWithAffected) error {
for _, vuln := range vulnerabilities {
id := database.VulnerabilityID{
Name: vuln.Name,
Namespace: vuln.Namespace.Name,
}
if _, ok := session.copy.vulnerabilities[id]; ok {
return errors.New("Vulnerability already exists")
}
session.copy.vulnerabilities[id] = vuln
}
return nil
}
session.FctUpdateKeyValue = func(key, value string) error {
session.copy.keyValues[key] = value
return nil
}
session.FctFindKeyValue = func(key string) (string, bool, error) {
s, b := session.copy.keyValues[key]
return s, b, nil
}
session.FctInsertVulnerabilityNotifications = func(notifications []database.VulnerabilityNotification) error {
for _, noti := range notifications {
session.copy.vulnNotification[noti.Name] = noti
}
return nil
}
return session, nil
}
return md
}
func TestDoVulnerabilitiesNamespacing(t *testing.T) {
fv1 := database.FeatureVersion{
Feature: database.Feature{
fv1 := database.AffectedFeature{
Namespace: database.Namespace{Name: "Namespace1"},
Name: "Feature1",
},
Version: "0.1",
FeatureName: "Feature1",
FixedInVersion: "0.1",
AffectedVersion: "0.1",
}
fv2 := database.FeatureVersion{
Feature: database.Feature{
fv2 := database.AffectedFeature{
Namespace: database.Namespace{Name: "Namespace2"},
Name: "Feature1",
},
Version: "0.2",
FeatureName: "Feature1",
FixedInVersion: "0.2",
AffectedVersion: "0.2",
}
fv3 := database.FeatureVersion{
Feature: database.Feature{
fv3 := database.AffectedFeature{
Namespace: database.Namespace{Name: "Namespace2"},
Name: "Feature2",
},
Version: "0.3",
FeatureName: "Feature2",
FixedInVersion: "0.3",
AffectedVersion: "0.3",
}
vulnerability := database.Vulnerability{
vulnerability := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "DoVulnerabilityNamespacing",
FixedIn: []database.FeatureVersion{fv1, fv2, fv3},
},
Affected: []database.AffectedFeature{fv1, fv2, fv3},
}
vulnerabilities := doVulnerabilitiesNamespacing([]database.Vulnerability{vulnerability})
vulnerabilities := doVulnerabilitiesNamespacing([]database.VulnerabilityWithAffected{vulnerability})
for _, vulnerability := range vulnerabilities {
switch vulnerability.Namespace.Name {
case fv1.Feature.Namespace.Name:
assert.Len(t, vulnerability.FixedIn, 1)
assert.Contains(t, vulnerability.FixedIn, fv1)
case fv2.Feature.Namespace.Name:
assert.Len(t, vulnerability.FixedIn, 2)
assert.Contains(t, vulnerability.FixedIn, fv2)
assert.Contains(t, vulnerability.FixedIn, fv3)
case fv1.Namespace.Name:
assert.Len(t, vulnerability.Affected, 1)
assert.Contains(t, vulnerability.Affected, fv1)
case fv2.Namespace.Name:
assert.Len(t, vulnerability.Affected, 2)
assert.Contains(t, vulnerability.Affected, fv2)
assert.Contains(t, vulnerability.Affected, fv3)
default:
t.Errorf("Should not have a Vulnerability with '%s' as its Namespace.", vulnerability.Namespace.Name)
fmt.Printf("%#v\n", vulnerability)
}
}
}
func TestCreatVulnerabilityNotification(t *testing.T) {
vf1 := "VersionFormat1"
ns1 := database.Namespace{
Name: "namespace 1",
VersionFormat: vf1,
}
af1 := database.AffectedFeature{
Namespace: ns1,
FeatureName: "feature 1",
}
v1 := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "vulnerability 1",
Namespace: ns1,
Severity: database.UnknownSeverity,
},
}
// severity change
v2 := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "vulnerability 1",
Namespace: ns1,
Severity: database.LowSeverity,
},
}
// affected versions change
v3 := database.VulnerabilityWithAffected{
Vulnerability: database.Vulnerability{
Name: "vulnerability 1",
Namespace: ns1,
Severity: database.UnknownSeverity,
},
Affected: []database.AffectedFeature{af1},
}
datastore := newmockUpdaterDatastore()
change, err := updateVulnerabilities(datastore, []database.VulnerabilityWithAffected{})
assert.Nil(t, err)
assert.Len(t, change, 0)
change, err = updateVulnerabilities(datastore, []database.VulnerabilityWithAffected{v1})
assert.Nil(t, err)
assert.Len(t, change, 1)
assert.Nil(t, change[0].old)
assertVulnerability(t, *change[0].new, v1)
change, err = updateVulnerabilities(datastore, []database.VulnerabilityWithAffected{v1})
assert.Nil(t, err)
assert.Len(t, change, 0)
change, err = updateVulnerabilities(datastore, []database.VulnerabilityWithAffected{v2})
assert.Nil(t, err)
assert.Len(t, change, 1)
assertVulnerability(t, *change[0].new, v2)
assertVulnerability(t, *change[0].old, v1)
change, err = updateVulnerabilities(datastore, []database.VulnerabilityWithAffected{v3})
assert.Nil(t, err)
assert.Len(t, change, 1)
assertVulnerability(t, *change[0].new, v3)
assertVulnerability(t, *change[0].old, v2)
err = createVulnerabilityNotifications(datastore, change)
assert.Nil(t, err)
assert.Len(t, datastore.vulnNotification, 1)
for _, noti := range datastore.vulnNotification {
assert.Equal(t, *noti.New, v3.Vulnerability)
assert.Equal(t, *noti.Old, v2.Vulnerability)
}
}
func assertVulnerability(t *testing.T, expected database.VulnerabilityWithAffected, actual database.VulnerabilityWithAffected) bool {
expectedAF := expected.Affected
actualAF := actual.Affected
expected.Affected, actual.Affected = nil, nil
assert.Equal(t, expected, actual)
assert.Len(t, actualAF, len(expectedAF))
mapAF := map[database.AffectedFeature]bool{}
for _, af := range expectedAF {
mapAF[af] = false
}
for _, af := range actualAF {
if visited, ok := mapAF[af]; !ok || visited {
return false
}
}
return true
}

617
worker.go
View File

@ -15,7 +15,9 @@
package clair
import (
"errors"
"regexp"
"sync"
log "github.com/sirupsen/logrus"
@ -24,13 +26,10 @@ import (
"github.com/coreos/clair/ext/featurens"
"github.com/coreos/clair/ext/imagefmt"
"github.com/coreos/clair/pkg/commonerr"
"github.com/coreos/clair/pkg/tarutil"
"github.com/coreos/clair/pkg/strutil"
)
const (
// Version (integer) represents the worker version.
// Increased each time the engine changes.
Version = 3
logLayerName = "layer"
)
@ -44,177 +43,525 @@ var (
ErrParentUnknown = commonerr.NewBadRequestError("worker: parent layer is unknown, it must be processed first")
urlParametersRegexp = regexp.MustCompile(`(\?|\&)([^=]+)\=([^ &]+)`)
// Processors contain the names of namespace detectors and feature listers
// enabled in this instance of Clair.
//
// Processors are initialized during booting and configured in the
// configuration file.
Processors database.Processors
)
type WorkerConfig struct {
EnabledDetectors []string `yaml:"namespace_detectors"`
EnabledListers []string `yaml:"feature_listers"`
}
// LayerRequest represents all information necessary to download and process a
// layer.
type LayerRequest struct {
Hash string
Path string
Headers map[string]string
}
// partialLayer stores layer's content detected by `processedBy` processors.
type partialLayer struct {
hash string
processedBy database.Processors
namespaces []database.Namespace
features []database.Feature
err error
}
// processRequest stores parameters used for processing layers.
type processRequest struct {
request LayerRequest
// notProcessedBy represents a set of processors used to process the
// request.
notProcessedBy database.Processors
}
// cleanURL removes all parameters from an URL.
func cleanURL(str string) string {
return urlParametersRegexp.ReplaceAllString(str, "")
}
// ProcessLayer detects the Namespace of a layer, the features it adds/removes,
// and then stores everything in the database.
//
// TODO(Quentin-M): We could have a goroutine that looks for layers that have
// been analyzed with an older engine version and that processes them.
func ProcessLayer(datastore database.Datastore, imageFormat, name, parentName, path string, headers map[string]string) error {
// Verify parameters.
if name == "" {
return commonerr.NewBadRequestError("could not process a layer which does not have a name")
// processLayers in parallel processes a set of requests for unique set of layers
// and returns sets of unique namespaces, features and layers to be inserted
// into the database.
func processRequests(imageFormat string, toDetect []processRequest) ([]database.Namespace, []database.Feature, map[string]partialLayer, error) {
wg := &sync.WaitGroup{}
wg.Add(len(toDetect))
results := make([]partialLayer, len(toDetect))
for i := range toDetect {
go func(req *processRequest, res *partialLayer) {
res.hash = req.request.Hash
res.processedBy = req.notProcessedBy
res.namespaces, res.features, res.err = detectContent(imageFormat, req.request.Hash, req.request.Path, req.request.Headers, req.notProcessedBy)
wg.Done()
}(&toDetect[i], &results[i])
}
wg.Wait()
distinctNS := map[database.Namespace]struct{}{}
distinctF := map[database.Feature]struct{}{}
errs := []error{}
for _, r := range results {
errs = append(errs, r.err)
}
if path == "" {
return commonerr.NewBadRequestError("could not process a layer which does not have a path")
if err := commonerr.CombineErrors(errs...); err != nil {
return nil, nil, nil, err
}
updates := map[string]partialLayer{}
for _, r := range results {
for _, ns := range r.namespaces {
distinctNS[ns] = struct{}{}
}
for _, f := range r.features {
distinctF[f] = struct{}{}
}
if _, ok := updates[r.hash]; !ok {
updates[r.hash] = r
} else {
return nil, nil, nil, errors.New("Duplicated updates is not allowed")
}
}
namespaces := make([]database.Namespace, 0, len(distinctNS))
features := make([]database.Feature, 0, len(distinctF))
for ns := range distinctNS {
namespaces = append(namespaces, ns)
}
for f := range distinctF {
features = append(features, f)
}
return namespaces, features, updates, nil
}
func getLayer(datastore database.Datastore, req LayerRequest) (layer database.LayerWithContent, preq *processRequest, err error) {
var ok bool
tx, err := datastore.Begin()
if err != nil {
return
}
defer tx.Rollback()
layer, ok, err = tx.FindLayerWithContent(req.Hash)
if err != nil {
return
}
if !ok {
l := database.Layer{Hash: req.Hash}
err = tx.PersistLayer(l)
if err != nil {
return
}
if err = tx.Commit(); err != nil {
return
}
layer = database.LayerWithContent{Layer: l}
preq = &processRequest{
request: req,
notProcessedBy: Processors,
}
} else {
notProcessed := getNotProcessedBy(layer.ProcessedBy)
if !(len(notProcessed.Detectors) == 0 && len(notProcessed.Listers) == 0 && ok) {
preq = &processRequest{
request: req,
notProcessedBy: notProcessed,
}
}
}
return
}
// processLayers processes a set of post layer requests, stores layers and
// returns an ordered list of processed layers with detected features and
// namespaces.
func processLayers(datastore database.Datastore, imageFormat string, requests []LayerRequest) ([]database.LayerWithContent, error) {
toDetect := []processRequest{}
layers := map[string]database.LayerWithContent{}
for _, req := range requests {
if _, ok := layers[req.Hash]; ok {
continue
}
layer, preq, err := getLayer(datastore, req)
if err != nil {
return nil, err
}
layers[req.Hash] = layer
if preq != nil {
toDetect = append(toDetect, *preq)
}
}
namespaces, features, partialRes, err := processRequests(imageFormat, toDetect)
if err != nil {
return nil, err
}
// Store partial results.
if err := persistNamespaces(datastore, namespaces); err != nil {
return nil, err
}
if err := persistFeatures(datastore, features); err != nil {
return nil, err
}
for _, res := range partialRes {
if err := persistPartialLayer(datastore, res); err != nil {
return nil, err
}
}
// NOTE(Sida): The full layers are computed using partially
// processed layers in current database session. If any other instances of
// Clair are changing some layers in this set of layers, it might generate
// different results especially when the other Clair is with different
// processors.
completeLayers := []database.LayerWithContent{}
for _, req := range requests {
if partialLayer, ok := partialRes[req.Hash]; ok {
completeLayers = append(completeLayers, combineLayers(layers[req.Hash], partialLayer))
} else {
completeLayers = append(completeLayers, layers[req.Hash])
}
}
return completeLayers, nil
}
func persistPartialLayer(datastore database.Datastore, layer partialLayer) error {
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if err := tx.PersistLayerContent(layer.hash, layer.namespaces, layer.features, layer.processedBy); err != nil {
return err
}
return tx.Commit()
}
func persistFeatures(datastore database.Datastore, features []database.Feature) error {
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if err := tx.PersistFeatures(features); err != nil {
return err
}
return tx.Commit()
}
func persistNamespaces(datastore database.Datastore, namespaces []database.Namespace) error {
tx, err := datastore.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if err := tx.PersistNamespaces(namespaces); err != nil {
return err
}
return tx.Commit()
}
// combineLayers merges `layer` and `partial` without duplicated content.
func combineLayers(layer database.LayerWithContent, partial partialLayer) database.LayerWithContent {
mapF := map[database.Feature]struct{}{}
mapNS := map[database.Namespace]struct{}{}
for _, f := range layer.Features {
mapF[f] = struct{}{}
}
for _, ns := range layer.Namespaces {
mapNS[ns] = struct{}{}
}
for _, f := range partial.features {
mapF[f] = struct{}{}
}
for _, ns := range partial.namespaces {
mapNS[ns] = struct{}{}
}
features := make([]database.Feature, 0, len(mapF))
namespaces := make([]database.Namespace, 0, len(mapNS))
for f := range mapF {
features = append(features, f)
}
for ns := range mapNS {
namespaces = append(namespaces, ns)
}
layer.ProcessedBy.Detectors = append(layer.ProcessedBy.Detectors, strutil.CompareStringLists(partial.processedBy.Detectors, layer.ProcessedBy.Detectors)...)
layer.ProcessedBy.Listers = append(layer.ProcessedBy.Listers, strutil.CompareStringLists(partial.processedBy.Listers, layer.ProcessedBy.Listers)...)
return database.LayerWithContent{
Layer: database.Layer{
Hash: layer.Hash,
},
ProcessedBy: layer.ProcessedBy,
Features: features,
Namespaces: namespaces,
}
}
func isAncestryProcessed(datastore database.Datastore, name string) (bool, error) {
tx, err := datastore.Begin()
if err != nil {
return false, err
}
defer tx.Rollback()
_, processed, ok, err := tx.FindAncestry(name)
if err != nil {
return false, err
}
if !ok {
return false, nil
}
notProcessed := getNotProcessedBy(processed)
return len(notProcessed.Detectors) == 0 && len(notProcessed.Listers) == 0, nil
}
// ProcessAncestry downloads and scans an ancestry if it's not scanned by all
// enabled processors in this instance of Clair.
func ProcessAncestry(datastore database.Datastore, imageFormat, name string, layerRequest []LayerRequest) error {
var err error
if name == "" {
return commonerr.NewBadRequestError("could not process a layer which does not have a name")
}
if imageFormat == "" {
return commonerr.NewBadRequestError("could not process a layer which does not have a format")
}
log.WithFields(log.Fields{logLayerName: name, "path": cleanURL(path), "engine version": Version, "parent layer": parentName, "format": imageFormat}).Debug("processing layer")
// Check to see if the layer is already in the database.
layer, err := datastore.FindLayer(name, false, false)
if err != nil && err != commonerr.ErrNotFound {
return err
}
if err == commonerr.ErrNotFound {
// New layer case.
layer = database.Layer{Name: name, EngineVersion: Version}
// Retrieve the parent if it has one.
// We need to get it with its Features in order to diff them.
if parentName != "" {
parent, err := datastore.FindLayer(parentName, true, false)
if err != nil && err != commonerr.ErrNotFound {
return err
}
if err == commonerr.ErrNotFound {
log.WithFields(log.Fields{logLayerName: name, "parent layer": parentName}).Warning("the parent layer is unknown. it must be processed first")
return ErrParentUnknown
}
layer.Parent = &parent
}
} else {
// The layer is already in the database, check if we need to update it.
if layer.EngineVersion >= Version {
log.WithFields(log.Fields{logLayerName: name, "past engine version": layer.EngineVersion, "current engine version": Version}).Debug("layer content has already been processed in the past with older engine. skipping analysis")
if ok, err := isAncestryProcessed(datastore, name); ok && err == nil {
log.WithField("ancestry", name).Debug("Ancestry is processed")
return nil
}
log.WithFields(log.Fields{logLayerName: name, "past engine version": layer.EngineVersion, "current engine version": Version}).Debug("layer content has already been processed in the past with older engine. analyzing again")
} else if err != nil {
return err
}
// Analyze the content.
layer.Namespaces, layer.Features, err = detectContent(imageFormat, name, path, headers, layer.Parent)
layers, err := processLayers(datastore, imageFormat, layerRequest)
if err != nil {
return err
}
return datastore.InsertLayer(layer)
if !validateProcessors(layers) {
// This error might be triggered because of multiple workers are
// processing the same instance with different processors.
return errors.New("ancestry layers are scanned with different listers and detectors")
}
return processAncestry(datastore, name, layers)
}
// detectContent downloads a layer's archive and extracts its Namespace and
// Features.
func detectContent(imageFormat, name, path string, headers map[string]string, parent *database.Layer) (namespaces []database.Namespace, featureVersions []database.FeatureVersion, err error) {
totalRequiredFiles := append(featurefmt.RequiredFilenames(), featurens.RequiredFilenames()...)
func processAncestry(datastore database.Datastore, name string, layers []database.LayerWithContent) error {
ancestryFeatures, err := computeAncestryFeatures(layers)
if err != nil {
return err
}
ancestryLayers := make([]database.Layer, 0, len(layers))
for _, layer := range layers {
ancestryLayers = append(ancestryLayers, layer.Layer)
}
log.WithFields(log.Fields{
"ancestry": name,
"number of features": len(ancestryFeatures),
"processed by": Processors,
"number of layers": len(ancestryLayers),
}).Debug("compute ancestry features")
if err := persistNamespacedFeatures(datastore, ancestryFeatures); err != nil {
return err
}
tx, err := datastore.Begin()
if err != nil {
return err
}
err = tx.UpsertAncestry(database.Ancestry{Name: name, Layers: ancestryLayers}, ancestryFeatures, Processors)
if err != nil {
tx.Rollback()
return err
}
err = tx.Commit()
if err != nil {
return err
}
return nil
}
func persistNamespacedFeatures(datastore database.Datastore, features []database.NamespacedFeature) error {
tx, err := datastore.Begin()
if err != nil {
return err
}
if err := tx.PersistNamespacedFeatures(features); err != nil {
tx.Rollback()
return err
}
if err := tx.Commit(); err != nil {
return err
}
tx, err = datastore.Begin()
if err != nil {
return err
}
if err := tx.CacheAffectedNamespacedFeatures(features); err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
// validateProcessors checks if the layers processed by same set of processors.
func validateProcessors(layers []database.LayerWithContent) bool {
if len(layers) == 0 {
return true
}
detectors := layers[0].ProcessedBy.Detectors
listers := layers[0].ProcessedBy.Listers
for _, l := range layers[1:] {
if len(strutil.CompareStringLists(detectors, l.ProcessedBy.Detectors)) != 0 ||
len(strutil.CompareStringLists(listers, l.ProcessedBy.Listers)) != 0 {
return false
}
}
return true
}
// computeAncestryFeatures computes the features in an ancestry based on all
// layers.
func computeAncestryFeatures(ancestryLayers []database.LayerWithContent) ([]database.NamespacedFeature, error) {
// version format -> namespace
namespaces := map[string]database.Namespace{}
// version format -> feature ID -> feature
features := map[string]map[string]database.NamespacedFeature{}
for _, layer := range ancestryLayers {
// At start of the loop, namespaces and features always contain the
// previous layer's result.
for _, ns := range layer.Namespaces {
namespaces[ns.VersionFormat] = ns
}
// version format -> feature ID -> feature
currentFeatures := map[string]map[string]database.NamespacedFeature{}
for _, f := range layer.Features {
if ns, ok := namespaces[f.VersionFormat]; ok {
var currentMap map[string]database.NamespacedFeature
if currentMap, ok = currentFeatures[f.VersionFormat]; !ok {
currentFeatures[f.VersionFormat] = make(map[string]database.NamespacedFeature)
currentMap = currentFeatures[f.VersionFormat]
}
inherited := false
if mapF, ok := features[f.VersionFormat]; ok {
if parentFeature, ok := mapF[f.Name+":"+f.Version]; ok {
currentMap[f.Name+":"+f.Version] = parentFeature
inherited = true
}
}
if !inherited {
currentMap[f.Name+":"+f.Version] = database.NamespacedFeature{
Feature: f,
Namespace: ns,
}
}
} else {
return nil, errors.New("No corresponding version format")
}
}
// NOTE(Sida): we update the feature map in some version format
// only if there's at least one feature with that version format. This
// approach won't differentiate feature file removed vs all detectable
// features removed from that file vs feature file not changed.
//
// One way to differentiate (feature file removed or not changed) vs
// all detectable features removed is to pass in the file status.
for vf, mapF := range currentFeatures {
features[vf] = mapF
}
}
ancestryFeatures := []database.NamespacedFeature{}
for _, featureMap := range features {
for _, feature := range featureMap {
ancestryFeatures = append(ancestryFeatures, feature)
}
}
return ancestryFeatures, nil
}
// getNotProcessedBy returns a processors, which contains the detectors and
// listers not in `processedBy` but implemented in the current clair instance.
func getNotProcessedBy(processedBy database.Processors) database.Processors {
notProcessedLister := strutil.CompareStringLists(Processors.Listers, processedBy.Listers)
notProcessedDetector := strutil.CompareStringLists(Processors.Detectors, processedBy.Detectors)
return database.Processors{
Listers: notProcessedLister,
Detectors: notProcessedDetector,
}
}
// detectContent downloads a layer and detects all features and namespaces.
func detectContent(imageFormat, name, path string, headers map[string]string, toProcess database.Processors) (namespaces []database.Namespace, featureVersions []database.Feature, err error) {
log.WithFields(log.Fields{"Hash": name}).Debug("Process Layer")
totalRequiredFiles := append(featurefmt.RequiredFilenames(toProcess.Listers), featurens.RequiredFilenames(toProcess.Detectors)...)
files, err := imagefmt.Extract(imageFormat, path, headers, totalRequiredFiles)
if err != nil {
log.WithError(err).WithFields(log.Fields{logLayerName: name, "path": cleanURL(path)}).Error("failed to extract data from path")
log.WithError(err).WithFields(log.Fields{
logLayerName: name,
"path": cleanURL(path),
}).Error("failed to extract data from path")
return
}
namespaces, err = detectNamespaces(name, files, parent)
if err != nil {
return
}
featureVersions, err = detectFeatureVersions(name, files, namespaces, parent)
namespaces, err = featurens.Detect(files, toProcess.Detectors)
if err != nil {
return
}
if len(featureVersions) > 0 {
log.WithFields(log.Fields{logLayerName: name, "feature count": len(featureVersions)}).Debug("detected features")
log.WithFields(log.Fields{logLayerName: name, "count": len(namespaces)}).Debug("detected layer namespaces")
}
return
}
// detectNamespaces returns a list of unique namespaces detected in a layer and its ancestry.
func detectNamespaces(name string, files tarutil.FilesMap, parent *database.Layer) (namespaces []database.Namespace, err error) {
nsSet := map[string]*database.Namespace{}
nsCurrent, err := featurens.Detect(files)
featureVersions, err = featurefmt.ListFeatures(files, toProcess.Listers)
if err != nil {
return
}
if parent != nil {
for _, ns := range parent.Namespaces {
// Under assumption that one version format corresponds to one type
// of namespace.
nsSet[ns.VersionFormat] = &ns
log.WithFields(log.Fields{logLayerName: name, "detected namespace": ns.Name, "version format": ns.VersionFormat}).Debug("detected namespace (from parent)")
}
}
for _, ns := range nsCurrent {
nsSet[ns.VersionFormat] = &ns
log.WithFields(log.Fields{logLayerName: name, "detected namespace": ns.Name, "version format": ns.VersionFormat}).Debug("detected namespace")
}
for _, ns := range nsSet {
namespaces = append(namespaces, *ns)
}
return
}
func detectFeatureVersions(name string, files tarutil.FilesMap, namespaces []database.Namespace, parent *database.Layer) (features []database.FeatureVersion, err error) {
// Build a map of the namespaces for each FeatureVersion in our parent layer.
parentFeatureNamespaces := make(map[string]database.Namespace)
if parent != nil {
for _, parentFeature := range parent.Features {
parentFeatureNamespaces[parentFeature.Feature.Name+":"+parentFeature.Version] = parentFeature.Feature.Namespace
}
}
for _, ns := range namespaces {
// TODO(Quentin-M): We need to pass the parent image to DetectFeatures because it's possible that
// some detectors would need it in order to produce the entire feature list (if they can only
// detect a diff). Also, we should probably pass the detected namespace so detectors could
// make their own decision.
detectedFeatures, err := featurefmt.ListFeatures(files, &ns)
if err != nil {
return features, err
}
// Ensure that each FeatureVersion has an associated Namespace.
for i, feature := range detectedFeatures {
if feature.Feature.Namespace.Name != "" {
// There is a Namespace associated.
continue
}
if parentFeatureNamespace, ok := parentFeatureNamespaces[feature.Feature.Name+":"+feature.Version]; ok {
// The FeatureVersion is present in the parent layer; associate
// with their Namespace.
// This might cause problem because a package with same feature
// name and version could be different in parent layer's
// namespace and current layer's namespace
detectedFeatures[i].Feature.Namespace = parentFeatureNamespace
continue
}
detectedFeatures[i].Feature.Namespace = ns
}
features = append(features, detectedFeatures...)
}
// If there are no FeatureVersions, use parent's FeatureVersions if possible.
// TODO(Quentin-M): We eventually want to give the choice to each detectors to use none/some of
// their parent's FeatureVersions. It would be useful for detectors that can't find their entire
// result using one Layer.
if len(features) == 0 && parent != nil {
features = parent.Features
if len(featureVersions) > 0 {
log.WithFields(log.Fields{logLayerName: name, "count": len(featureVersions)}).Debug("detected layer features")
}
return

631
worker_test.go
View File

@ -15,18 +15,23 @@
package clair
import (
"errors"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/coreos/clair/database"
"github.com/coreos/clair/ext/featurefmt"
"github.com/coreos/clair/ext/featurens"
"github.com/coreos/clair/ext/versionfmt/dpkg"
"github.com/coreos/clair/pkg/commonerr"
"github.com/coreos/clair/pkg/strutil"
// Register the required detectors.
_ "github.com/coreos/clair/ext/featurefmt/dpkg"
_ "github.com/coreos/clair/ext/featurefmt/rpm"
_ "github.com/coreos/clair/ext/featurens/aptsources"
_ "github.com/coreos/clair/ext/featurens/osrelease"
_ "github.com/coreos/clair/ext/imagefmt/docker"
@ -34,42 +39,306 @@ import (
type mockDatastore struct {
database.MockDatastore
layers map[string]database.Layer
layers map[string]database.LayerWithContent
ancestry map[string]database.AncestryWithFeatures
namespaces map[string]database.Namespace
features map[string]database.Feature
namespacedFeatures map[string]database.NamespacedFeature
}
type mockSession struct {
database.MockSession
store *mockDatastore
copy mockDatastore
terminated bool
}
func copyDatastore(md *mockDatastore) mockDatastore {
layers := map[string]database.LayerWithContent{}
for k, l := range md.layers {
features := append([]database.Feature(nil), l.Features...)
namespaces := append([]database.Namespace(nil), l.Namespaces...)
listers := append([]string(nil), l.ProcessedBy.Listers...)
detectors := append([]string(nil), l.ProcessedBy.Detectors...)
layers[k] = database.LayerWithContent{
Layer: database.Layer{
Hash: l.Hash,
},
ProcessedBy: database.Processors{
Listers: listers,
Detectors: detectors,
},
Features: features,
Namespaces: namespaces,
}
}
ancestry := map[string]database.AncestryWithFeatures{}
for k, a := range md.ancestry {
nf := append([]database.NamespacedFeature(nil), a.Features...)
l := append([]database.Layer(nil), a.Layers...)
listers := append([]string(nil), a.ProcessedBy.Listers...)
detectors := append([]string(nil), a.ProcessedBy.Detectors...)
ancestry[k] = database.AncestryWithFeatures{
Ancestry: database.Ancestry{
Name: a.Name,
Layers: l,
},
ProcessedBy: database.Processors{
Detectors: detectors,
Listers: listers,
},
Features: nf,
}
}
namespaces := map[string]database.Namespace{}
for k, n := range md.namespaces {
namespaces[k] = n
}
features := map[string]database.Feature{}
for k, f := range md.features {
features[k] = f
}
namespacedFeatures := map[string]database.NamespacedFeature{}
for k, f := range md.namespacedFeatures {
namespacedFeatures[k] = f
}
return mockDatastore{
layers: layers,
ancestry: ancestry,
namespaces: namespaces,
namespacedFeatures: namespacedFeatures,
features: features,
}
}
func newMockDatastore() *mockDatastore {
return &mockDatastore{
layers: make(map[string]database.Layer),
errSessionDone := errors.New("Session Done")
md := &mockDatastore{
layers: make(map[string]database.LayerWithContent),
ancestry: make(map[string]database.AncestryWithFeatures),
namespaces: make(map[string]database.Namespace),
features: make(map[string]database.Feature),
namespacedFeatures: make(map[string]database.NamespacedFeature),
}
}
func TestProcessWithDistUpgrade(t *testing.T) {
_, f, _, _ := runtime.Caller(0)
testDataPath := filepath.Join(filepath.Dir(f)) + "/testdata/DistUpgrade/"
md.FctBegin = func() (database.Session, error) {
session := &mockSession{
store: md,
copy: copyDatastore(md),
terminated: false,
}
// Create a mock datastore.
datastore := newMockDatastore()
datastore.FctInsertLayer = func(layer database.Layer) error {
datastore.layers[layer.Name] = layer
session.FctCommit = func() error {
if session.terminated {
return nil
}
datastore.FctFindLayer = func(name string, withFeatures, withVulnerabilities bool) (database.Layer, error) {
if layer, exists := datastore.layers[name]; exists {
return layer, nil
}
return database.Layer{}, commonerr.ErrNotFound
session.store.layers = session.copy.layers
session.store.ancestry = session.copy.ancestry
session.store.namespaces = session.copy.namespaces
session.store.features = session.copy.features
session.store.namespacedFeatures = session.copy.namespacedFeatures
session.terminated = true
return nil
}
// Create the list of FeatureVersions that should not been upgraded from one layer to another.
nonUpgradedFeatureVersions := []database.FeatureVersion{
{Feature: database.Feature{Name: "libtext-wrapi18n-perl"}, Version: "0.06-7"},
{Feature: database.Feature{Name: "libtext-charwidth-perl"}, Version: "0.04-7"},
{Feature: database.Feature{Name: "libtext-iconv-perl"}, Version: "1.7-5"},
{Feature: database.Feature{Name: "mawk"}, Version: "1.3.3-17"},
{Feature: database.Feature{Name: "insserv"}, Version: "1.14.0-5"},
{Feature: database.Feature{Name: "db"}, Version: "5.1.29-5"},
{Feature: database.Feature{Name: "ustr"}, Version: "1.0.4-3"},
{Feature: database.Feature{Name: "xz-utils"}, Version: "5.1.1alpha+20120614-2"},
session.FctRollback = func() error {
if session.terminated {
return nil
}
session.terminated = true
session.copy = mockDatastore{}
return nil
}
session.FctFindAncestry = func(name string) (database.Ancestry, database.Processors, bool, error) {
processors := database.Processors{}
if session.terminated {
return database.Ancestry{}, processors, false, errSessionDone
}
ancestry, ok := session.copy.ancestry[name]
return ancestry.Ancestry, ancestry.ProcessedBy, ok, nil
}
session.FctFindLayer = func(name string) (database.Layer, database.Processors, bool, error) {
processors := database.Processors{}
if session.terminated {
return database.Layer{}, processors, false, errSessionDone
}
layer, ok := session.copy.layers[name]
return layer.Layer, layer.ProcessedBy, ok, nil
}
session.FctFindLayerWithContent = func(name string) (database.LayerWithContent, bool, error) {
if session.terminated {
return database.LayerWithContent{}, false, errSessionDone
}
layer, ok := session.copy.layers[name]
return layer, ok, nil
}
session.FctPersistLayer = func(layer database.Layer) error {
if session.terminated {
return errSessionDone
}
if _, ok := session.copy.layers[layer.Hash]; !ok {
session.copy.layers[layer.Hash] = database.LayerWithContent{Layer: layer}
}
return nil
}
session.FctPersistNamespaces = func(ns []database.Namespace) error {
if session.terminated {
return errSessionDone
}
for _, n := range ns {
_, ok := session.copy.namespaces[n.Name]
if !ok {
session.copy.namespaces[n.Name] = n
}
}
return nil
}
session.FctPersistFeatures = func(fs []database.Feature) error {
if session.terminated {
return errSessionDone
}
for _, f := range fs {
key := FeatureKey(&f)
_, ok := session.copy.features[key]
if !ok {
session.copy.features[key] = f
}
}
return nil
}
session.FctPersistLayerContent = func(hash string, namespaces []database.Namespace, features []database.Feature, processedBy database.Processors) error {
if session.terminated {
return errSessionDone
}
// update the layer
layer, ok := session.copy.layers[hash]
if !ok {
return errors.New("layer not found")
}
layerFeatures := map[string]database.Feature{}
layerNamespaces := map[string]database.Namespace{}
for _, f := range layer.Features {
layerFeatures[FeatureKey(&f)] = f
}
for _, n := range layer.Namespaces {
layerNamespaces[n.Name] = n
}
// ensure that all the namespaces, features are in the database
for _, ns := range namespaces {
if _, ok := session.copy.namespaces[ns.Name]; !ok {
return errors.New("Namespaces should be in the database")
}
if _, ok := layerNamespaces[ns.Name]; !ok {
layer.Namespaces = append(layer.Namespaces, ns)
layerNamespaces[ns.Name] = ns
}
}
for _, f := range features {
if _, ok := session.copy.features[FeatureKey(&f)]; !ok {
return errors.New("Namespaces should be in the database")
}
if _, ok := layerFeatures[FeatureKey(&f)]; !ok {
layer.Features = append(layer.Features, f)
layerFeatures[FeatureKey(&f)] = f
}
}
layer.ProcessedBy.Detectors = append(layer.ProcessedBy.Detectors, strutil.CompareStringLists(processedBy.Detectors, layer.ProcessedBy.Detectors)...)
layer.ProcessedBy.Listers = append(layer.ProcessedBy.Listers, strutil.CompareStringLists(processedBy.Listers, layer.ProcessedBy.Listers)...)
session.copy.layers[hash] = layer
return nil
}
session.FctUpsertAncestry = func(ancestry database.Ancestry, features []database.NamespacedFeature, processors database.Processors) error {
if session.terminated {
return errSessionDone
}
// ensure features are in the database
for _, f := range features {
if _, ok := session.copy.namespacedFeatures[NamespacedFeatureKey(&f)]; !ok {
return errors.New("namepsaced feature not in db")
}
}
ancestryWFeature := database.AncestryWithFeatures{
Ancestry: ancestry,
Features: features,
ProcessedBy: processors,
}
session.copy.ancestry[ancestry.Name] = ancestryWFeature
return nil
}
session.FctPersistNamespacedFeatures = func(namespacedFeatures []database.NamespacedFeature) error {
for i, f := range namespacedFeatures {
session.copy.namespacedFeatures[NamespacedFeatureKey(&f)] = namespacedFeatures[i]
}
return nil
}
session.FctCacheAffectedNamespacedFeatures = func(namespacedFeatures []database.NamespacedFeature) error {
// The function does nothing because we don't care about the vulnerability cache in worker_test.
return nil
}
return session, nil
}
return md
}
func TestMain(m *testing.M) {
Processors = database.Processors{
Listers: featurefmt.ListListers(),
Detectors: featurens.ListDetectors(),
}
m.Run()
}
func FeatureKey(f *database.Feature) string {
return strings.Join([]string{f.Name, f.VersionFormat, f.Version}, "__")
}
func NamespacedFeatureKey(f *database.NamespacedFeature) string {
return strings.Join([]string{f.Name, f.Namespace.Name}, "__")
}
func TestProcessAncestryWithDistUpgrade(t *testing.T) {
// Create the list of Features that should not been upgraded from one layer to another.
nonUpgradedFeatures := []database.Feature{
{Name: "libtext-wrapi18n-perl", Version: "0.06-7"},
{Name: "libtext-charwidth-perl", Version: "0.04-7"},
{Name: "libtext-iconv-perl", Version: "1.7-5"},
{Name: "mawk", Version: "1.3.3-17"},
{Name: "insserv", Version: "1.14.0-5"},
{Name: "db", Version: "5.1.29-5"},
{Name: "ustr", Version: "1.0.4-3"},
{Name: "xz-utils", Version: "5.1.1alpha+20120614-2"},
}
nonUpgradedMap := map[database.Feature]struct{}{}
for _, f := range nonUpgradedFeatures {
f.VersionFormat = "dpkg"
nonUpgradedMap[f] = struct{}{}
}
// Process test layers.
@ -78,42 +347,294 @@ func TestProcessWithDistUpgrade(t *testing.T) {
// wheezy.tar: FROM debian:wheezy
// jessie.tar: RUN sed -i "s/precise/trusty/" /etc/apt/sources.list && apt-get update &&
// apt-get -y dist-upgrade
assert.Nil(t, ProcessLayer(datastore, "Docker", "blank", "", testDataPath+"blank.tar.gz", nil))
assert.Nil(t, ProcessLayer(datastore, "Docker", "wheezy", "blank", testDataPath+"wheezy.tar.gz", nil))
assert.Nil(t, ProcessLayer(datastore, "Docker", "jessie", "wheezy", testDataPath+"jessie.tar.gz", nil))
_, f, _, _ := runtime.Caller(0)
testDataPath := filepath.Join(filepath.Dir(f)) + "/testdata/DistUpgrade/"
// Ensure that the 'wheezy' layer has the expected namespace and features.
wheezy, ok := datastore.layers["wheezy"]
if assert.True(t, ok, "layer 'wheezy' not processed") {
if !assert.Len(t, wheezy.Namespaces, 1) {
datastore := newMockDatastore()
layers := []LayerRequest{
{Hash: "blank", Path: testDataPath + "blank.tar.gz"},
{Hash: "wheezy", Path: testDataPath + "wheezy.tar.gz"},
{Hash: "jessie", Path: testDataPath + "jessie.tar.gz"},
}
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock", layers))
// check the ancestry features
assert.Len(t, datastore.ancestry["Mock"].Features, 74)
for _, f := range datastore.ancestry["Mock"].Features {
if _, ok := nonUpgradedMap[f.Feature]; ok {
assert.Equal(t, "debian:7", f.Namespace.Name)
} else {
assert.Equal(t, "debian:8", f.Namespace.Name)
}
}
assert.Equal(t, []database.Layer{
{Hash: "blank"},
{Hash: "wheezy"},
{Hash: "jessie"},
}, datastore.ancestry["Mock"].Layers)
}
func TestProcessLayers(t *testing.T) {
_, f, _, _ := runtime.Caller(0)
testDataPath := filepath.Join(filepath.Dir(f)) + "/testdata/DistUpgrade/"
datastore := newMockDatastore()
layers := []LayerRequest{
{Hash: "blank", Path: testDataPath + "blank.tar.gz"},
{Hash: "wheezy", Path: testDataPath + "wheezy.tar.gz"},
{Hash: "jessie", Path: testDataPath + "jessie.tar.gz"},
}
processedLayers, err := processLayers(datastore, "Docker", layers)
assert.Nil(t, err)
assert.Len(t, processedLayers, 3)
// ensure resubmit won't break the stuff
processedLayers, err = processLayers(datastore, "Docker", layers)
assert.Nil(t, err)
assert.Len(t, processedLayers, 3)
// Ensure each processed layer is correct
assert.Len(t, processedLayers[0].Namespaces, 0)
assert.Len(t, processedLayers[1].Namespaces, 1)
assert.Len(t, processedLayers[2].Namespaces, 1)
assert.Len(t, processedLayers[0].Features, 0)
assert.Len(t, processedLayers[1].Features, 52)
assert.Len(t, processedLayers[2].Features, 74)
// Ensure each layer has expected namespaces and features detected
if blank, ok := datastore.layers["blank"]; ok {
assert.Equal(t, blank.ProcessedBy.Detectors, Processors.Detectors)
assert.Equal(t, blank.ProcessedBy.Listers, Processors.Listers)
assert.Len(t, blank.Namespaces, 0)
assert.Len(t, blank.Features, 0)
} else {
assert.Fail(t, "blank is not stored")
return
}
assert.Equal(t, "debian:7", wheezy.Namespaces[0].Name)
if wheezy, ok := datastore.layers["wheezy"]; ok {
assert.Equal(t, wheezy.ProcessedBy.Detectors, Processors.Detectors)
assert.Equal(t, wheezy.ProcessedBy.Listers, Processors.Listers)
assert.Equal(t, wheezy.Namespaces, []database.Namespace{{Name: "debian:7", VersionFormat: dpkg.ParserName}})
assert.Len(t, wheezy.Features, 52)
for _, nufv := range nonUpgradedFeatureVersions {
nufv.Feature.Namespace.Name = "debian:7"
nufv.Feature.Namespace.VersionFormat = dpkg.ParserName
assert.Contains(t, wheezy.Features, nufv)
}
} else {
assert.Fail(t, "wheezy is not stored")
return
}
// Ensure that the 'wheezy' layer has the expected namespace and non-upgraded features.
jessie, ok := datastore.layers["jessie"]
if assert.True(t, ok, "layer 'jessie' not processed") {
assert.Len(t, jessie.Namespaces, 1)
assert.Equal(t, "debian:8", jessie.Namespaces[0].Name)
if jessie, ok := datastore.layers["jessie"]; ok {
assert.Equal(t, jessie.ProcessedBy.Detectors, Processors.Detectors)
assert.Equal(t, jessie.ProcessedBy.Listers, Processors.Listers)
assert.Equal(t, jessie.Namespaces, []database.Namespace{{Name: "debian:8", VersionFormat: dpkg.ParserName}})
assert.Len(t, jessie.Features, 74)
for _, nufv := range nonUpgradedFeatureVersions {
nufv.Feature.Namespace.Name = "debian:7"
nufv.Feature.Namespace.VersionFormat = dpkg.ParserName
assert.Contains(t, jessie.Features, nufv)
} else {
assert.Fail(t, "jessie is not stored")
return
}
for _, nufv := range nonUpgradedFeatureVersions {
nufv.Feature.Namespace.Name = "debian:8"
nufv.Feature.Namespace.VersionFormat = dpkg.ParserName
assert.NotContains(t, jessie.Features, nufv)
}
// TestUpgradeClair checks if a clair is upgraded and certain ancestry's
// features should not change. We assume that Clair should only upgrade
func TestClairUpgrade(t *testing.T) {
_, f, _, _ := runtime.Caller(0)
testDataPath := filepath.Join(filepath.Dir(f)) + "/testdata/DistUpgrade/"
datastore := newMockDatastore()
// suppose there are two ancestries.
layers := []LayerRequest{
{Hash: "blank", Path: testDataPath + "blank.tar.gz"},
{Hash: "wheezy", Path: testDataPath + "wheezy.tar.gz"},
{Hash: "jessie", Path: testDataPath + "jessie.tar.gz"},
}
layers2 := []LayerRequest{
{Hash: "blank", Path: testDataPath + "blank.tar.gz"},
{Hash: "wheezy", Path: testDataPath + "wheezy.tar.gz"},
}
// Suppose user scan an ancestry with an old instance of Clair.
Processors = database.Processors{
Detectors: []string{"os-release"},
Listers: []string{"rpm"},
}
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock", layers))
assert.Len(t, datastore.ancestry["Mock"].Features, 0)
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock2", layers2))
assert.Len(t, datastore.ancestry["Mock2"].Features, 0)
// Clair is upgraded to use a new namespace detector. The expected
// behavior is that all layers will be rescanned with "apt-sources" and
// the ancestry's features are recalculated.
Processors = database.Processors{
Detectors: []string{"os-release", "apt-sources"},
Listers: []string{"rpm"},
}
// Even though Clair processors are upgraded, the ancestry's features should
// not be upgraded without posting the ancestry to Clair again.
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock", layers))
assert.Len(t, datastore.ancestry["Mock"].Features, 0)
// Clair is upgraded to use a new feature lister. The expected behavior is
// that all layers will be rescanned with "dpkg" and the ancestry's features
// are invalidated and recalculated.
Processors = database.Processors{
Detectors: []string{"os-release", "apt-sources"},
Listers: []string{"rpm", "dpkg"},
}
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock", layers))
assert.Len(t, datastore.ancestry["Mock"].Features, 74)
assert.Nil(t, ProcessAncestry(datastore, "Docker", "Mock2", layers2))
assert.Len(t, datastore.ancestry["Mock2"].Features, 52)
// check the namespaces are correct
for _, f := range datastore.ancestry["Mock"].Features {
if !assert.NotEqual(t, database.Namespace{}, f.Namespace) {
assert.Fail(t, "Every feature should have a namespace attached")
}
}
for _, f := range datastore.ancestry["Mock2"].Features {
if !assert.NotEqual(t, database.Namespace{}, f.Namespace) {
assert.Fail(t, "Every feature should have a namespace attached")
}
}
}
// TestMultipleNamespaces tests computing ancestry features
func TestComputeAncestryFeatures(t *testing.T) {
vf1 := "format 1"
vf2 := "format 2"
ns1a := database.Namespace{
Name: "namespace 1:a",
VersionFormat: vf1,
}
ns1b := database.Namespace{
Name: "namespace 1:b",
VersionFormat: vf1,
}
ns2a := database.Namespace{
Name: "namespace 2:a",
VersionFormat: vf2,
}
ns2b := database.Namespace{
Name: "namespace 2:b",
VersionFormat: vf2,
}
f1 := database.Feature{
Name: "feature 1",
Version: "0.1",
VersionFormat: vf1,
}
f2 := database.Feature{
Name: "feature 2",
Version: "0.2",
VersionFormat: vf1,
}
f3 := database.Feature{
Name: "feature 1",
Version: "0.3",
VersionFormat: vf2,
}
f4 := database.Feature{
Name: "feature 2",
Version: "0.3",
VersionFormat: vf2,
}
// Suppose Clair is watching two files for namespaces one containing ns1
// changes e.g. os-release and the other one containing ns2 changes e.g.
// node.
blank := database.LayerWithContent{Layer: database.Layer{Hash: "blank"}}
initNS1a := database.LayerWithContent{
Layer: database.Layer{Hash: "init ns1a"},
Namespaces: []database.Namespace{ns1a},
Features: []database.Feature{f1, f2},
}
upgradeNS2b := database.LayerWithContent{
Layer: database.Layer{Hash: "upgrade ns2b"},
Namespaces: []database.Namespace{ns2b},
}
upgradeNS1b := database.LayerWithContent{
Layer: database.Layer{Hash: "upgrade ns1b"},
Namespaces: []database.Namespace{ns1b},
Features: []database.Feature{f1, f2},
}
initNS2a := database.LayerWithContent{
Layer: database.Layer{Hash: "init ns2a"},
Namespaces: []database.Namespace{ns2a},
Features: []database.Feature{f3, f4},
}
removeF2 := database.LayerWithContent{
Layer: database.Layer{Hash: "remove f2"},
Features: []database.Feature{f1},
}
// blank -> ns1:a, f1 f2 (init)
// -> f1 (feature change)
// -> ns2:a, f3, f4 (init ns2a)
// -> ns2:b (ns2 upgrade without changing features)
// -> blank (empty)
// -> ns1:b, f1 f2 (ns1 upgrade and add f2)
// -> f1 (remove f2)
// -> blank (empty)
layers := []database.LayerWithContent{
blank,
initNS1a,
removeF2,
initNS2a,
upgradeNS2b,
blank,
upgradeNS1b,
removeF2,
blank,
}
expected := map[database.NamespacedFeature]bool{
{
Feature: f1,
Namespace: ns1a,
}: false,
{
Feature: f3,
Namespace: ns2a,
}: false,
{
Feature: f4,
Namespace: ns2a,
}: false,
}
features, err := computeAncestryFeatures(layers)
assert.Nil(t, err)
for _, f := range features {
if assert.Contains(t, expected, f) {
if assert.False(t, expected[f]) {
expected[f] = true
}
}
}
for f, visited := range expected {
assert.True(t, visited, "expected feature is missing : "+f.Namespace.Name+":"+f.Name)
}
}