mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2024-12-19 05:37:53 +00:00
Migrate volume-manager tests to integration
Now the tests are ran against the actual docker engine instead of against mockerode. The new tests actually caught a bug in `volumeManager.removeOrphanedVolumes`, where that function would try to remove volumes for stopped containers, causing an exception. This commit also fixes that bug.
This commit is contained in:
Felipe Lalanne
parent
18c2f8cec9
commit
a69fbf6eac
@ -117,7 +117,7 @@ export async function removeOrphanedVolumes(
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// *all* containers. This means we don't remove
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// something that's part of a sideloaded container
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const [dockerContainers, dockerVolumes] = await Promise.all([
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docker.listContainers(),
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docker.listContainers({ all: true }),
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docker.listVolumes(),
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]);
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305
test/integration/compose/volume-manager.spec.ts
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305
test/integration/compose/volume-manager.spec.ts
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@ -0,0 +1,305 @@
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import { expect } from 'chai';
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import * as sinon from 'sinon';
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import * as volumeManager from '~/src/compose/volume-manager';
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import Volume from '~/src/compose/volume';
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import { createDockerImage } from '~/test-lib/docker-helper';
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import * as Docker from 'dockerode';
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describe('compose/volume-manager', () => {
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const docker = new Docker();
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after(async () => {
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await docker.pruneContainers();
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await docker.pruneVolumes();
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await docker.pruneImages();
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});
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describe('Retrieving volumes from the engine', () => {
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it('gets all supervised Volumes', async () => {
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// Setup volume data
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await Promise.all([
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docker.createVolume({
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Name: Volume.generateDockerName(1, 'redis'),
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// Recently created volumes contain io.balena.supervised label
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Labels: { 'io.balena.supervised': '1' },
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}),
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docker.createVolume({
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Name: Volume.generateDockerName(1, 'mysql'),
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// Recently created volumes contain io.balena.supervised label and app-uuid
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Labels: {
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'io.balena.supervised': '1',
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'io.balena.app-uuid': 'deadbeef',
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},
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}),
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docker.createVolume({
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Name: Volume.generateDockerName(2, 'backend'),
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// Old Volumes will not have labels
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}),
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// Volume not created by the Supervisor
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docker.createVolume({ Name: 'user_created_volume' }),
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docker.createVolume({
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Name: 'decoy',
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// Added decoy to really test the inference (should not return)
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Labels: { 'io.balena.supervised': '1' },
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}),
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]);
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// Perform test
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await expect(volumeManager.getAll()).to.eventually.have.deep.members([
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{
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appId: 1,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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},
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},
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name: 'redis',
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},
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{
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appId: 1,
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appUuid: 'deadbeef',
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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'io.balena.app-uuid': 'deadbeef',
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},
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},
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name: 'mysql',
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},
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{
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appId: 2,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {},
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},
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name: 'backend',
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},
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]);
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// Cleanup volumes
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await Promise.all([
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docker.getVolume(Volume.generateDockerName(1, 'redis')).remove(),
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docker.getVolume(Volume.generateDockerName(1, 'mysql')).remove(),
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docker.getVolume(Volume.generateDockerName(2, 'backend')).remove(),
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docker.getVolume('user_created_volume').remove(),
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docker.getVolume('decoy').remove(),
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]);
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});
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it('can parse null Volumes', async () => {
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// Perform test with no volumes
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await expect(volumeManager.getAll()).to.eventually.deep.equal([]);
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});
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it('gets the volume for specific application', async () => {
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// Setup volume data
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await Promise.all([
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docker.createVolume({
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Name: Volume.generateDockerName(111, 'app'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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docker.createVolume({
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Name: Volume.generateDockerName(222, 'otherApp'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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]);
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// Perform test
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await expect(volumeManager.getAllByAppId(111)).to.eventually.deep.equal([
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{
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appId: 111,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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},
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},
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name: 'app',
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},
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]);
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// Cleanup volumes
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await Promise.all([
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docker.getVolume(Volume.generateDockerName(111, 'app')).remove(),
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docker.getVolume(Volume.generateDockerName(222, 'otherApp')).remove(),
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]);
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});
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});
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describe('Creating volumes', () => {
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it('creates a volume if it does not exist', async () => {
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// The volume does not exist on the engine before
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await expect(
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docker.getVolume(Volume.generateDockerName(111, 'main')).inspect(),
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).to.be.rejected;
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// Volume to create
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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// Create volume
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await volumeManager.create(volume);
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// Check the volume should have been created
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await expect(
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docker.getVolume(Volume.generateDockerName(111, 'main')).inspect(),
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).to.not.be.rejected;
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// Cleanup volumes
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await Promise.all([
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docker.getVolume(Volume.generateDockerName(111, 'main')).remove(),
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]);
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});
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it('does not try to create a volume that already exists', async () => {
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// Setup volume data
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await docker.createVolume({
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Name: Volume.generateDockerName(111, 'main'),
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Labels: {
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'io.balena.supervised': '1',
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},
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});
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// Create compose object for volume already set up in mock engine
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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sinon.spy(volume, 'create');
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// Create volume
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await volumeManager.create(volume);
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// Check volume was not created
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expect(volume.create).to.not.have.been.called;
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// Cleanup volumes
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await Promise.all([
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docker.getVolume(Volume.generateDockerName(111, 'main')).remove(),
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]);
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});
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});
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describe('Removing volumes', () => {
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it('removes a volume if it exists', async () => {
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// Setup volume data
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await Promise.all([
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docker.createVolume({
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Name: Volume.generateDockerName(111, 'main'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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]);
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// Volume to remove
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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// Remove volume
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await volumeManager.remove(volume);
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// Check volume was removed
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await expect(
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docker.getVolume(Volume.generateDockerName(111, 'main')).inspect(),
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).to.be.rejected;
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});
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it('does nothing on removal if the volume does not exist', async () => {
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// Setup volume data
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await Promise.all([
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docker.createVolume({
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Name: 'decoy-volume',
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}),
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]);
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// Volume to remove
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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// Remove volume
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await expect(volumeManager.remove(volume)).to.not.be.rejected;
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// Cleanup volumes
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await Promise.all([docker.getVolume('decoy-volume').remove()]);
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});
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});
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describe('Removing orphaned volumes', () => {
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it('removes any remaining unreferenced volumes after services have been deleted', async () => {
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// Setup volume data
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await Promise.all([
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docker.createVolume({
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Name: 'some-volume',
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}),
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// This volume is still referenced in the target state
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docker.createVolume({
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Name: Volume.generateDockerName(111, 'main'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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docker.createVolume({
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Name: Volume.generateDockerName(222, 'old'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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// This volume is referenced by a container
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docker.createVolume({
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Name: 'other-volume',
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}),
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]);
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// Create an empty image
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await createDockerImage('hello', ['io.balena.testing=1'], docker);
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// Create a container from the image
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const { id: containerId } = await docker.createContainer({
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Image: 'hello',
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Cmd: ['true'],
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HostConfig: {
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Binds: ['other-volume:/data'],
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},
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});
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await expect(
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volumeManager.removeOrphanedVolumes([
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// Keep any volumes in the target state
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Volume.generateDockerName(111, 'main'),
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]),
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).to.not.be.rejected;
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// All volumes should have been deleted
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expect(await docker.listVolumes())
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.to.have.property('Volumes')
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.that.has.lengthOf(2);
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// Reference volume should have been kept
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await expect(
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docker.getVolume(Volume.generateDockerName(111, 'main')).inspect(),
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).to.not.be.rejected;
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await expect(docker.getVolume('other-volume').inspect()).to.not.be
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.rejected;
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// Cleanup
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await Promise.all([
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docker.getVolume(Volume.generateDockerName(111, 'main')).remove(),
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docker.getContainer(containerId).remove(),
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]);
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await Promise.all([
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docker.getImage('hello').remove(),
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docker.getVolume('other-volume').remove(),
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]);
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});
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});
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});
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@ -1,360 +0,0 @@
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import { expect } from 'chai';
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import * as sinon from 'sinon';
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import {
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createVolume,
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createContainer,
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withMockerode,
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} from '~/test-lib/mockerode';
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import * as volumeManager from '~/src/compose/volume-manager';
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import log from '~/lib/supervisor-console';
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import Volume from '~/src/compose/volume';
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describe('compose/volume-manager', () => {
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describe('Retrieving volumes from the engine', () => {
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let logDebug: sinon.SinonStub;
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before(() => {
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logDebug = sinon.stub(log, 'debug');
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});
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after(() => {
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logDebug.restore();
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});
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afterEach(() => {
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logDebug.reset();
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});
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it('gets all supervised Volumes', async () => {
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// Setup volume data
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const volumeData = [
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createVolume({
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Name: Volume.generateDockerName(1, 'redis'),
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// Recently created volumes contain io.balena.supervised label
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Labels: { 'io.balena.supervised': '1' },
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}),
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createVolume({
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Name: Volume.generateDockerName(1, 'mysql'),
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// Recently created volumes contain io.balena.supervised label and app-uuid
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Labels: {
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'io.balena.supervised': '1',
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'io.balena.app-uuid': 'deadbeef',
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},
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}),
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createVolume({
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Name: Volume.generateDockerName(1, 'backend'),
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// Old Volumes will not have labels
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}),
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// Volume not created by the Supervisor
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createVolume({ Name: 'user_created_volume' }),
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createVolume({
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Name: 'decoy',
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// Added decoy to really test the inference (should not return)
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Labels: { 'io.balena.supervised': '1' },
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}),
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];
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// Perform test
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await withMockerode(
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async () => {
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await expect(volumeManager.getAll()).to.eventually.deep.equal([
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{
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appId: 1,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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},
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},
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name: 'redis',
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},
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{
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appId: 1,
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appUuid: 'deadbeef',
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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'io.balena.app-uuid': 'deadbeef',
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},
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},
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name: 'mysql',
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},
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{
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appId: 1,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {},
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},
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name: 'backend',
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},
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]);
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// Check that debug message was logged saying we found a Volume not created by us
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expect(logDebug.lastCall.lastArg).to.equal(
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'Found unmanaged or anonymous Volume: decoy',
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);
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},
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{ volumes: volumeData },
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);
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});
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it('can parse null Volumes', async () => {
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// Perform test with no volumes
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await withMockerode(async () => {
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await expect(volumeManager.getAll()).to.eventually.deep.equal([]);
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});
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});
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it('gets the volume for specific application', async () => {
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// Setup volume data
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const volumes = [
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createVolume({
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Name: Volume.generateDockerName(111, 'app'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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createVolume({
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Name: Volume.generateDockerName(222, 'otherApp'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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];
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// Perform test
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await withMockerode(
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async () => {
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await expect(
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volumeManager.getAllByAppId(111),
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).to.eventually.deep.equal([
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{
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appId: 111,
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appUuid: undefined,
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config: {
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driver: 'local',
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driverOpts: {},
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labels: {
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'io.balena.supervised': '1',
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},
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},
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name: 'app',
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},
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]);
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},
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{ volumes },
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);
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});
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});
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describe('Creating volumes', () => {
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it('creates a volume if it does not exist', async () => {
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// Perform test
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await withMockerode(async (mockerode) => {
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// The volume does not exist on the engine before
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expect(
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mockerode.getVolume(Volume.generateDockerName(111, 'main')).inspect(),
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).to.be.rejected;
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// Volume to create
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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sinon.spy(volume, 'create');
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// Create volume
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await volumeManager.create(volume);
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// Check that the creation function was called
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expect(volume.create).to.have.been.calledOnce;
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});
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});
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it('does not try to create a volume that already exists', async () => {
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// Setup volume data
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const volumes = [
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createVolume({
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Name: Volume.generateDockerName(111, 'main'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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];
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// Perform test
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await withMockerode(
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async () => {
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// Create compose object for volume already set up in mock engine
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const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
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sinon.spy(volume, 'create');
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// Create volume
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await volumeManager.create(volume);
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// Check volume was not created
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expect(volume.create).to.not.have.been.called;
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},
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{ volumes },
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);
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});
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});
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describe('Removing volumes', () => {
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it('removes a volume if it exists', async () => {
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// Setup volume data
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const volumes = [
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createVolume({
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Name: Volume.generateDockerName(111, 'main'),
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Labels: {
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'io.balena.supervised': '1',
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},
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}),
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];
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// Perform test
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await withMockerode(
|
||||
async (mockerode) => {
|
||||
// Volume to remove
|
||||
const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
|
||||
sinon.spy(volume, 'remove');
|
||||
|
||||
// Remove volume
|
||||
await volumeManager.remove(volume);
|
||||
|
||||
// Check volume was removed
|
||||
expect(volume.remove).to.be.calledOnce;
|
||||
expect(mockerode.removeVolume).to.have.been.calledOnceWith(
|
||||
Volume.generateDockerName(111, 'main'),
|
||||
);
|
||||
},
|
||||
{ volumes },
|
||||
);
|
||||
});
|
||||
|
||||
it('does nothing on removal if the volume does not exist', async () => {
|
||||
// Setup volume data
|
||||
const volumes = [
|
||||
createVolume({
|
||||
Name: 'decoy-volume',
|
||||
}),
|
||||
];
|
||||
|
||||
// Perform test
|
||||
await withMockerode(
|
||||
async (mockerode) => {
|
||||
// Volume to remove
|
||||
const volume = Volume.fromComposeObject('main', 111, 'deadbeef', {});
|
||||
sinon.spy(volume, 'remove');
|
||||
|
||||
// Remove volume
|
||||
await expect(volumeManager.remove(volume)).to.not.be.rejected;
|
||||
expect(mockerode.removeVolume).to.not.have.been.called;
|
||||
},
|
||||
{ volumes },
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe('Removing orphaned volumes', () => {
|
||||
it('removes any remaining unreferenced volumes after services have been deleted', async () => {
|
||||
// Setup volume data
|
||||
const volumes = [
|
||||
createVolume({
|
||||
Name: 'some-volume',
|
||||
}),
|
||||
createVolume({
|
||||
Name: Volume.generateDockerName(111, 'main'),
|
||||
Labels: {
|
||||
'io.balena.supervised': '1',
|
||||
},
|
||||
}),
|
||||
];
|
||||
|
||||
await withMockerode(
|
||||
async (mockerode) => {
|
||||
await volumeManager.removeOrphanedVolumes([]);
|
||||
|
||||
expect(mockerode.removeVolume).to.have.been.calledTwice;
|
||||
expect(mockerode.removeVolume).to.have.been.calledWith('some-volume');
|
||||
expect(mockerode.removeVolume).to.have.been.calledWith(
|
||||
Volume.generateDockerName(111, 'main'),
|
||||
);
|
||||
},
|
||||
{ volumes },
|
||||
);
|
||||
});
|
||||
|
||||
it('keeps volumes still referenced in target state', async () => {
|
||||
// Setup volume data
|
||||
const volumes = [
|
||||
createVolume({
|
||||
Name: 'some-volume',
|
||||
}),
|
||||
createVolume({
|
||||
Name: Volume.generateDockerName(111, 'main'),
|
||||
Labels: {
|
||||
'io.balena.supervised': '1',
|
||||
},
|
||||
}),
|
||||
createVolume({
|
||||
Name: Volume.generateDockerName(222, 'old'),
|
||||
Labels: {
|
||||
'io.balena.supervised': '1',
|
||||
},
|
||||
}),
|
||||
];
|
||||
|
||||
await withMockerode(
|
||||
async (mockerode) => {
|
||||
await volumeManager.removeOrphanedVolumes([
|
||||
Volume.generateDockerName(111, 'main'),
|
||||
]);
|
||||
|
||||
expect(mockerode.removeVolume).to.have.been.calledTwice;
|
||||
expect(mockerode.removeVolume).to.have.been.calledWith('some-volume');
|
||||
expect(mockerode.removeVolume).to.have.been.calledWith(
|
||||
Volume.generateDockerName(222, 'old'),
|
||||
);
|
||||
},
|
||||
{ volumes },
|
||||
);
|
||||
});
|
||||
|
||||
it('keeps volumes still referenced by a container', async () => {
|
||||
// Setup volume data
|
||||
const volumes = [
|
||||
createVolume({
|
||||
Name: 'some-volume',
|
||||
}),
|
||||
createVolume({
|
||||
Name: Volume.generateDockerName(111, 'main'),
|
||||
Labels: {
|
||||
'io.balena.supervised': '1',
|
||||
},
|
||||
}),
|
||||
];
|
||||
|
||||
const containers = [
|
||||
createContainer({
|
||||
Id: 'some-service',
|
||||
Mounts: [
|
||||
{
|
||||
Name: 'some-volume',
|
||||
},
|
||||
],
|
||||
}),
|
||||
];
|
||||
|
||||
await withMockerode(
|
||||
async (mockerode) => {
|
||||
await volumeManager.removeOrphanedVolumes([]);
|
||||
|
||||
// Container that has a volume should not be removed
|
||||
expect(mockerode.removeVolume).to.have.been.calledOnceWith(
|
||||
Volume.generateDockerName(111, 'main'),
|
||||
);
|
||||
},
|
||||
{ volumes, containers },
|
||||
);
|
||||
});
|
||||
});
|
||||
});
|
||||
28
test/lib/docker-helper.ts
Normal file
28
test/lib/docker-helper.ts
Normal file
@ -0,0 +1,28 @@
|
||||
import * as Docker from 'dockerode';
|
||||
import * as tar from 'tar-stream';
|
||||
|
||||
// Creates an image from scratch with just some labels
|
||||
export async function createDockerImage(
|
||||
name: string,
|
||||
labels: [string, ...string[]],
|
||||
docker = new Docker(),
|
||||
) {
|
||||
const pack = tar.pack(); // pack is a streams2 stream
|
||||
pack.entry(
|
||||
{ name: 'Dockerfile' },
|
||||
['FROM scratch'].concat(labels.map((l) => `LABEL ${l}`)).join('\n'),
|
||||
(err) => {
|
||||
if (err) {
|
||||
throw err;
|
||||
}
|
||||
pack.finalize();
|
||||
},
|
||||
);
|
||||
// Create an empty image
|
||||
const stream = await docker.buildImage(pack, { t: name });
|
||||
return await new Promise((resolve, reject) => {
|
||||
docker.modem.followProgress(stream, (err: any, res: any) =>
|
||||
err ? reject(err) : resolve(res),
|
||||
);
|
||||
});
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user