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