pgsql: Add detector to database schema
'detector' table is added to store the metadata of detectors. 'layer_feature', 'layer_namespace', and 'ancestry_feature' tables are modified to store the detection relationship between the feature/namespace with the detector.
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Sida Chen
parent
db2db8bbe8
commit
dca2d4e597
@ -14,12 +14,11 @@
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package migrations
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import "github.com/remind101/migrate"
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func init() {
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RegisterMigration(migrate.Migration{
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ID: 1,
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Up: migrate.Queries([]string{
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var (
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// entities are the basic building blocks to relate the vulnerabilities with
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// the ancestry.
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entities = MigrationQuery{
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Up: []string{
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// namespaces
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`CREATE TABLE IF NOT EXISTS namespace (
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id SERIAL PRIMARY KEY,
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@ -42,40 +41,72 @@ func init() {
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namespace_id INT REFERENCES namespace,
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feature_id INT REFERENCES feature,
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UNIQUE (namespace_id, feature_id));`,
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},
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Down: []string{
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`DROP TABLE IF EXISTS namespace, feature, namespaced_feature CASCADE;`,
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},
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}
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// detector is analysis extensions used by the worker.
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detector = MigrationQuery{
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Up: []string{
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// Detector Type
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`CREATE TYPE detector_type AS ENUM ('namespace', 'feature');`,
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// Detector
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`CREATE TABLE IF NOT EXISTS detector (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL,
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version TEXT NOT NULL,
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dtype detector_type NOT NULL,
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UNIQUE (name, version, dtype));`,
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},
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Down: []string{
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`DROP TABLE IF EXISTS detector CASCADE;`,
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`DROP TYPE IF EXISTS detector_type;`,
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},
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}
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// layer contains all metadata and scanned features and namespaces.
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layer = MigrationQuery{
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Up: []string{
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// layers
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`CREATE TABLE IF NOT EXISTS layer(
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id SERIAL PRIMARY KEY,
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hash TEXT NOT NULL UNIQUE);`,
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`CREATE TABLE IF NOT EXISTS layer_detector(
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id SERIAL PRIMARY KEY,
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layer_id INT REFERENCES layer ON DELETE CASCADE,
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detector_id INT REFERENCES detector ON DELETE CASCADE,
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UNIQUE(layer_id, detector_id));`,
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`CREATE INDEX ON layer_detector(layer_id);`,
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`CREATE TABLE IF NOT EXISTS layer_feature (
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id SERIAL PRIMARY KEY,
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layer_id INT REFERENCES layer ON DELETE CASCADE,
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feature_id INT REFERENCES feature ON DELETE CASCADE,
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detector_id INT REFERENCES detector ON DELETE CASCADE,
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UNIQUE (layer_id, feature_id));`,
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`CREATE INDEX ON layer_feature(layer_id);`,
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`CREATE TABLE IF NOT EXISTS layer_lister (
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id SERIAL PRIMARY KEY,
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layer_id INT REFERENCES layer ON DELETE CASCADE,
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lister TEXT NOT NULL,
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UNIQUE (layer_id, lister));`,
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`CREATE INDEX ON layer_lister(layer_id);`,
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`CREATE TABLE IF NOT EXISTS layer_detector (
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id SERIAL PRIMARY KEY,
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layer_id INT REFERENCES layer ON DELETE CASCADE,
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detector TEXT,
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UNIQUE (layer_id, detector));`,
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`CREATE INDEX ON layer_detector(layer_id);`,
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`CREATE TABLE IF NOT EXISTS layer_namespace (
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id SERIAL PRIMARY KEY,
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layer_id INT REFERENCES layer ON DELETE CASCADE,
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namespace_id INT REFERENCES namespace ON DELETE CASCADE,
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detector_id INT REFERENCES detector ON DELETE CASCADE,
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UNIQUE (layer_id, namespace_id));`,
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`CREATE INDEX ON layer_namespace(layer_id);`,
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},
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Down: []string{
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`DROP TABLE IF EXISTS layer, layer_detector, layer_feature, layer_namespace CASCADE;`,
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},
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}
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// ancestry contains all meta information around scanned manifest and its
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// layers.
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ancestry = MigrationQuery{
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Up: []string{
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// ancestry
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`CREATE TABLE IF NOT EXISTS ancestry (
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id SERIAL PRIMARY KEY,
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@ -93,28 +124,31 @@ func init() {
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id SERIAL PRIMARY KEY,
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ancestry_layer_id INT REFERENCES ancestry_layer ON DELETE CASCADE,
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namespaced_feature_id INT REFERENCES namespaced_feature ON DELETE CASCADE,
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feature_detector_id INT REFERENCES detector ON DELETE CASCADE,
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namespace_detector_id INT REFERENCES detector ON DELETE CASCADE,
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UNIQUE (ancestry_layer_id, namespaced_feature_id));`,
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`CREATE TABLE IF NOT EXISTS ancestry_lister (
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`CREATE TABLE IF NOT EXISTS ancestry_detector(
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id SERIAL PRIMARY KEY,
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ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
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lister TEXT,
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UNIQUE (ancestry_id, lister));`,
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`CREATE INDEX ON ancestry_lister(ancestry_id);`,
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`CREATE TABLE IF NOT EXISTS ancestry_detector (
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id SERIAL PRIMARY KEY,
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ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
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detector TEXT,
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UNIQUE (ancestry_id, detector));`,
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ancestry_id INT REFERENCES layer ON DELETE CASCADE,
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detector_id INT REFERENCES detector ON DELETE CASCADE,
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UNIQUE(ancestry_id, detector_id));`,
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`CREATE INDEX ON ancestry_detector(ancestry_id);`,
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},
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Down: []string{
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`DROP TABLE IF EXISTS ancestry, ancestry_layer, ancestry_feature, ancestry_detector CASCADE;`,
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},
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}
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// vulnerability contains the metadata and vulnerability affecting relation.
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vulnerability = MigrationQuery{
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Up: []string{
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`CREATE TYPE severity AS ENUM ('Unknown', 'Negligible', 'Low', 'Medium', 'High', 'Critical', 'Defcon1');`,
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// vulnerability
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`CREATE TABLE IF NOT EXISTS vulnerability (
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id SERIAL PRIMARY KEY,
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namespace_id INT NOT NULL REFERENCES Namespace,
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namespace_id INT REFERENCES Namespace,
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name TEXT NOT NULL,
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description TEXT NULL,
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link TEXT NULL,
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@ -127,7 +161,7 @@ func init() {
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`CREATE TABLE IF NOT EXISTS vulnerability_affected_feature (
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id SERIAL PRIMARY KEY,
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vulnerability_id INT NOT NULL REFERENCES vulnerability ON DELETE CASCADE,
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vulnerability_id INT REFERENCES vulnerability ON DELETE CASCADE,
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feature_name TEXT NOT NULL,
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affected_version TEXT,
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fixedin TEXT);`,
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@ -135,12 +169,22 @@ func init() {
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`CREATE TABLE IF NOT EXISTS vulnerability_affected_namespaced_feature(
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id SERIAL PRIMARY KEY,
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vulnerability_id INT NOT NULL REFERENCES vulnerability ON DELETE CASCADE,
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namespaced_feature_id INT NOT NULL REFERENCES namespaced_feature ON DELETE CASCADE,
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added_by INT NOT NULL REFERENCES vulnerability_affected_feature ON DELETE CASCADE,
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vulnerability_id INT REFERENCES vulnerability ON DELETE CASCADE,
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namespaced_feature_id INT REFERENCES namespaced_feature ON DELETE CASCADE,
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added_by INT REFERENCES vulnerability_affected_feature ON DELETE CASCADE,
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UNIQUE (vulnerability_id, namespaced_feature_id));`,
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`CREATE INDEX ON vulnerability_affected_namespaced_feature(namespaced_feature_id);`,
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},
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Down: []string{
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`DROP TYPE IF EXISTS severity;`,
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`DROP TABLE IF EXISTS vulnerability, vulnerability_affected_feature, vulnerability_affected_namespaced_feature CASCADE;`,
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},
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}
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// updaterLock is the lock to be used by updater to prevent multiple
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// updaters running on the same vulnerability source.
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updaterLock = MigrationQuery{
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Up: []string{
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`CREATE TABLE IF NOT EXISTS KeyValue (
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id SERIAL PRIMARY KEY,
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key TEXT NOT NULL UNIQUE,
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@ -152,8 +196,16 @@ func init() {
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owner VARCHAR(64) NOT NULL,
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until TIMESTAMP WITH TIME ZONE);`,
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`CREATE INDEX ON Lock (owner);`,
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},
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Down: []string{
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`DROP TABLE IF EXISTS KeyValue, Lock CASCADE;`,
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},
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}
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// Notification
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// notification is the vulnerability notification spawned by the
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// vulnerability changes.
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notification = MigrationQuery{
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Up: []string{
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`CREATE TABLE IF NOT EXISTS Vulnerability_Notification (
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id SERIAL PRIMARY KEY,
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name VARCHAR(64) NOT NULL UNIQUE,
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@ -163,30 +215,22 @@ func init() {
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old_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE,
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new_vulnerability_id INT NULL REFERENCES Vulnerability ON DELETE CASCADE);`,
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`CREATE INDEX ON Vulnerability_Notification (notified_at);`,
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}),
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Down: migrate.Queries([]string{
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`DROP TABLE IF EXISTS
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ancestry,
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ancestry_layer,
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ancestry_detector,
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ancestry_lister,
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ancestry_feature,
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feature,
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namespaced_feature,
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keyvalue,
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layer,
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layer_detector,
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layer_feature,
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layer_lister,
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layer_namespace,
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lock,
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namespace,
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vulnerability,
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vulnerability_affected_feature,
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vulnerability_affected_namespaced_feature,
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vulnerability_notification
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CASCADE;`,
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`DROP TYPE IF EXISTS severity;`,
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}),
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})
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},
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Down: []string{
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`DROP TABLE IF EXISTS Vulnerability_Notification CASCADE;`,
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},
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}
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)
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func init() {
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RegisterMigration(NewSimpleMigration(1,
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[]MigrationQuery{
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entities,
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detector,
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layer,
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ancestry,
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vulnerability,
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updaterLock,
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notification,
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}))
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}
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30
database/pgsql/migrations/util.go
Normal file
30
database/pgsql/migrations/util.go
Normal file
@ -0,0 +1,30 @@
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package migrations
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import "github.com/remind101/migrate"
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// MigrationQuery contains the Up migration and Down migration in Plain strings.
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type MigrationQuery struct {
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Up []string
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Down []string
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}
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// ConcatMigrationQueries concats migration queries in the give order.
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func ConcatMigrationQueries(qs []MigrationQuery) MigrationQuery {
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r := MigrationQuery{}
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for _, q := range qs {
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r.Up = append(r.Up, q.Up...)
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r.Down = append(r.Down, q.Down...)
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}
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return r
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}
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// NewSimpleMigration returns a simple migration plan with all provided
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// migration queries concatted in order.
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func NewSimpleMigration(id int, qs []MigrationQuery) migrate.Migration {
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q := ConcatMigrationQueries(qs)
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return migrate.Migration{
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ID: id,
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Up: migrate.Queries(q.Up),
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Down: migrate.Queries(q.Down),
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}
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}
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