mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2024-12-19 13:47:54 +00:00
382 lines
11 KiB
CoffeeScript
382 lines
11 KiB
CoffeeScript
Promise = require 'bluebird'
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_ = require 'lodash'
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m = require 'mochainon'
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{ stub } = m.sinon
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m.chai.use(require('chai-events'))
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{ expect } = m.chai
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prepare = require './lib/prepare'
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DeviceState = require '../src/device-state'
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{ DB } = require('../src/db')
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{ Config } = require('../src/config')
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{ Service } = require '../src/compose/service'
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appDBFormatNormalised = {
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appId: 1234
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commit: 'bar'
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releaseId: 2
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name: 'app'
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source: 'https://api.resin.io'
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services: JSON.stringify([
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{
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appId: 1234
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serviceName: 'serv'
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imageId: 12345
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environment: { FOO: 'var2' }
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labels: {}
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image: 'foo/bar:latest'
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releaseId: 2
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serviceId: 4
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commit: 'bar'
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}
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])
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networks: '{}'
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volumes: '{}'
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}
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appStateFormat = {
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appId: 1234
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commit: 'bar'
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releaseId: 2
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name: 'app'
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# This technically is not part of the appStateFormat, but in general
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# usage is added before calling normaliseAppForDB
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source: 'https://api.resin.io'
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services: {
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'4': {
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appId: 1234
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serviceName: 'serv'
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imageId: 12345
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environment: { FOO: 'var2' }
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labels: {}
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image: 'foo/bar:latest'
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}
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}
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}
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appStateFormatNeedsServiceCreate = {
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appId: 1234
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commit: 'bar'
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releaseId: 2
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name: 'app'
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services: [
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{
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appId: 1234
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environment: {
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FOO: 'var2'
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}
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imageId: 12345
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serviceId: 4
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releaseId: 2
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serviceName: 'serv'
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image: 'foo/bar:latest'
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}
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]
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networks: {}
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volumes: {}
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}
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dependentStateFormat = {
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appId: 1234
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image: 'foo/bar'
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commit: 'bar'
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releaseId: 3
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name: 'app'
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config: { RESIN_FOO: 'var' }
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environment: { FOO: 'var2' }
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parentApp: 256
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imageId: 45
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}
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dependentStateFormatNormalised = {
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appId: 1234
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image: 'foo/bar:latest'
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commit: 'bar'
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releaseId: 3
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name: 'app'
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config: { RESIN_FOO: 'var' }
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environment: { FOO: 'var2' }
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parentApp: 256
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imageId: 45
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}
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currentState = targetState = availableImages = null
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dependentDBFormat = {
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appId: 1234
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image: 'foo/bar:latest'
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commit: 'bar'
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releaseId: 3
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name: 'app'
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config: JSON.stringify({ RESIN_FOO: 'var' })
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environment: JSON.stringify({ FOO: 'var2' })
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parentApp: 256
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imageId: 45
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}
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describe 'ApplicationManager', ->
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before ->
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prepare()
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@db = new DB()
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@config = new Config({ @db })
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eventTracker = {
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track: console.log
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}
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@logger = {
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clearOutOfDateDBLogs: ->
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}
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@deviceState = new DeviceState({ @db, @config, eventTracker, @logger })
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@applications = @deviceState.applications
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stub(@applications.images, 'inspectByName').callsFake (imageName) ->
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Promise.resolve({
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Config: {
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Cmd: [ 'someCommand' ]
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Entrypoint: [ 'theEntrypoint' ]
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Env: []
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Labels: {}
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Volumes: []
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}
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})
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stub(@applications.docker, 'getNetworkGateway').returns(Promise.resolve('172.17.0.1'))
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stub(Service, 'extendEnvVars').callsFake (env) ->
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env['ADDITIONAL_ENV_VAR'] = 'foo'
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return env
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@normaliseCurrent = (current) ->
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Promise.map current.local.apps, (app) ->
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Promise.map app.services, (service) ->
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Service.fromComposeObject(service, { appName: 'test' })
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.then (normalisedServices) ->
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appCloned = _.cloneDeep(app)
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appCloned.services = normalisedServices
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return appCloned
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.then (normalisedApps) ->
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currentCloned = _.cloneDeep(current)
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currentCloned.local.apps = normalisedApps
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return currentCloned
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@normaliseTarget = (target, available) =>
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Promise.map target.local.apps, (app) =>
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@applications.normaliseAppForDB(app)
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.then (normalisedApp) =>
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@applications.normaliseAndExtendAppFromDB(normalisedApp)
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.then (apps) ->
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targetCloned = _.cloneDeep(target)
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# We mock what createTargetService does when an image is available
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targetCloned.local.apps = _.map apps, (app) ->
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app.services = _.map app.services, (service) ->
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img = _.find(available, (i) -> i.name == service.config.image)
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if img?
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service.config.image = img.dockerImageId
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return service
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return app
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return targetCloned
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@db.init()
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.then =>
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@config.init()
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beforeEach ->
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{ currentState, targetState, availableImages } = require './lib/application-manager-test-states'
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after ->
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@applications.images.inspectByName.restore()
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@applications.docker.getNetworkGateway.restore()
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Service.extendEnvVars.restore()
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it 'infers a start step when all that changes is a running state', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[0], availableImages[0])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[0], [], true, current, target, false, {})
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expect(steps).to.eventually.deep.equal([{
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action: 'start'
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current: current.local.apps[0].services[1]
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target: target.local.apps[0].services[1]
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serviceId: 24
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appId: 1234
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options: {}
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}])
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)
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it 'infers a kill step when a service has to be removed', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[1], availableImages[0])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[0], [], true, current, target, false, {})
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expect(steps).to.eventually.deep.equal([{
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action: 'kill'
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current: current.local.apps[0].services[1]
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target: null
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serviceId: 24
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appId: 1234
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options: {}
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}])
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)
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it 'infers a fetch step when a service has to be updated', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[2], availableImages[0])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[0], [], true, current, target, false, {})
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expect(steps).to.eventually.deep.equal([{
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action: 'fetch'
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image: @applications.imageForService(target.local.apps[0].services[1])
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serviceId: 24
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appId: 1234
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serviceName: 'anotherService'
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}])
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)
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it 'does not infer a fetch step when the download is already in progress', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[2], availableImages[0])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[0], [ target.local.apps[0].services[1].imageId ], true, current, target, false, {})
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expect(steps).to.eventually.deep.equal([{ action: 'noop', appId: 1234 }])
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)
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it 'infers a kill step when a service has to be updated but the strategy is kill-then-download', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[3], availableImages[0])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[0], [], true, current, target, false, {})
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expect(steps).to.eventually.deep.equal([{
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action: 'kill'
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current: current.local.apps[0].services[1]
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target: target.local.apps[0].services[1]
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serviceId: 24
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appId: 1234
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options: {}
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}])
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)
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it 'does not infer to kill a service with default strategy if a dependency is not downloaded', ->
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Promise.join(
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@normaliseCurrent(currentState[4])
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@normaliseTarget(targetState[4], availableImages[2])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[2], [], true, current, target, false, {})
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expect(steps).to.eventually.have.deep.members([{
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action: 'fetch'
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image: @applications.imageForService(target.local.apps[0].services[0])
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serviceId: 23
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appId: 1234,
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serviceName: 'aservice'
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}, { action: 'noop', appId: 1234 }])
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)
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it 'infers to kill several services as long as there is no unmet dependency', ->
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Promise.join(
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@normaliseCurrent(currentState[0])
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@normaliseTarget(targetState[5], availableImages[1])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[1], [], true, current, target, false, {})
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expect(steps).to.eventually.have.deep.members([
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{
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action: 'kill'
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current: current.local.apps[0].services[0]
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target: target.local.apps[0].services[0]
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serviceId: 23
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appId: 1234
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options: {}
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},
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{
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action: 'kill'
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current: current.local.apps[0].services[1]
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target: target.local.apps[0].services[1]
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serviceId: 24
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appId: 1234
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options: {}
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}
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])
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)
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it 'infers to start the dependency first', ->
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Promise.join(
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@normaliseCurrent(currentState[1])
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@normaliseTarget(targetState[4], availableImages[1])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[1], [], true, current, target, false, {})
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expect(steps).to.eventually.have.deep.members([
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{
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action: 'start'
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current: null
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target: target.local.apps[0].services[0]
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serviceId: 23
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appId: 1234
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options: {}
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}
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])
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)
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it 'infers to start a service once its dependency has been met', ->
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Promise.join(
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@normaliseCurrent(currentState[2])
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@normaliseTarget(targetState[4], availableImages[1])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[1], [], true, current, target, false, {})
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expect(steps).to.eventually.have.deep.members([
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{
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action: 'start'
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current: null
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target: target.local.apps[0].services[1]
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serviceId: 24
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appId: 1234
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options: {}
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}
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])
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)
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it 'infers to remove spurious containers', ->
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Promise.join(
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@normaliseCurrent(currentState[3])
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@normaliseTarget(targetState[4], availableImages[1])
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(current, target) =>
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steps = @applications._inferNextSteps(false, availableImages[1], [], true, current, target, false, {})
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expect(steps).to.eventually.have.deep.members([
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{
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action: 'kill'
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current: current.local.apps[0].services[0]
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target: null
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serviceId: 23
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appId: 1234
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options: {}
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},
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{
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action: 'start'
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current: null
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target: target.local.apps[0].services[1]
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serviceId: 24
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appId: 1234
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options: {}
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}
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])
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)
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it 'converts an app from a state format to a db format, adding missing networks and volumes and normalising the image name', ->
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app = @applications.normaliseAppForDB(appStateFormat)
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expect(app).to.eventually.deep.equal(appDBFormatNormalised)
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it 'converts a dependent app from a state format to a db format, normalising the image name', ->
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app = @applications.proxyvisor.normaliseDependentAppForDB(dependentStateFormat)
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expect(app).to.eventually.deep.equal(dependentDBFormat)
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it 'converts an app in DB format into state format, adding default and missing fields', ->
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@applications.normaliseAndExtendAppFromDB(appDBFormatNormalised)
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.then (app) ->
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appStateFormatWithDefaults = _.cloneDeep(appStateFormatNeedsServiceCreate)
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opts = { imageInfo: { Config: { Cmd: [ 'someCommand' ], Entrypoint: [ 'theEntrypoint' ] } } }
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appStateFormatWithDefaults.services = _.map appStateFormatWithDefaults.services, (service) ->
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service.imageName = service.image
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return Service.fromComposeObject(service, opts)
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expect(JSON.parse(JSON.stringify(app))).to.deep.equal(JSON.parse(JSON.stringify(appStateFormatWithDefaults)))
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it 'converts a dependent app in DB format into state format', ->
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app = @applications.proxyvisor.normaliseDependentAppFromDB(dependentDBFormat)
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expect(app).to.eventually.deep.equal(dependentStateFormatNormalised)
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