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242 lines
8.2 KiB
242 lines
8.2 KiB
// Copyright 2016 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 migrations
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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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`CREATE TABLE IF NOT EXISTS feature_type (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL UNIQUE);`,
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`INSERT INTO feature_type(name) VALUES ('source'), ('binary')`,
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`CREATE TABLE IF NOT EXISTS namespace (
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id SERIAL PRIMARY KEY,
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name TEXT NULL,
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version_format TEXT,
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UNIQUE (name, version_format));`,
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`CREATE INDEX ON namespace(name);`,
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`CREATE TABLE IF NOT EXISTS feature (
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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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version_format TEXT NOT NULL,
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type INT REFERENCES feature_type ON DELETE CASCADE,
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UNIQUE (name, version, version_format, type));`,
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`CREATE INDEX ON feature(name);`,
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`CREATE TABLE IF NOT EXISTS namespaced_feature (
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id SERIAL PRIMARY KEY,
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namespace_id INT REFERENCES namespace ON DELETE CASCADE,
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feature_id INT REFERENCES feature ON DELETE CASCADE,
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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, feature_type 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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`CREATE TYPE detector_type AS ENUM ('namespace', 'feature');`,
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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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`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_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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`CREATE TABLE IF NOT EXISTS ancestry (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL UNIQUE);`,
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`CREATE TABLE IF NOT EXISTS ancestry_layer (
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id SERIAL PRIMARY KEY,
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ancestry_id INT REFERENCES ancestry ON DELETE CASCADE,
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ancestry_index INT NOT NULL,
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layer_id INT NOT NULL REFERENCES layer ON DELETE RESTRICT,
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UNIQUE (ancestry_id, ancestry_index));`,
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`CREATE INDEX ON ancestry_layer(ancestry_id);`,
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`CREATE TABLE IF NOT EXISTS ancestry_feature(
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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_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_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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`CREATE TABLE IF NOT EXISTS vulnerability (
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id SERIAL PRIMARY KEY,
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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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severity severity NOT NULL,
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metadata TEXT NULL,
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created_at TIMESTAMP WITH TIME ZONE,
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deleted_at TIMESTAMP WITH TIME ZONE NULL);`,
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`CREATE INDEX ON vulnerability(namespace_id, name);`,
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`CREATE INDEX ON vulnerability(namespace_id);`,
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// vulnerability_affected_feature is a de-normalized table to store
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// the affected features in a independent place other than the
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// feature table to reduce table lock issue, and makes it easier for
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// decoupling updater and the Clair main logic.
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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 REFERENCES vulnerability ON DELETE CASCADE,
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feature_name TEXT NOT NULL,
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feature_type INT NOT NULL REFERENCES feature_type ON DELETE CASCADE,
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affected_version TEXT,
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fixedin TEXT);`,
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`CREATE INDEX ON vulnerability_affected_feature(vulnerability_id, feature_name, feature_type);`,
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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 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 TABLE IF EXISTS vulnerability, vulnerability_affected_feature, vulnerability_affected_namespaced_feature CASCADE;`,
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`DROP TYPE IF EXISTS severity;`,
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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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value TEXT);`,
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`CREATE TABLE IF NOT EXISTS Lock (
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id SERIAL PRIMARY KEY,
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name VARCHAR(64) NOT NULL UNIQUE,
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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 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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created_at TIMESTAMP WITH TIME ZONE,
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notified_at TIMESTAMP WITH TIME ZONE NULL,
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deleted_at TIMESTAMP WITH TIME ZONE NULL,
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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: []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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