overleaf/services/clsi/test/unit/js/DockerRunnerTests.js

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/* eslint-disable
handle-callback-err,
no-return-assign,
no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS206: Consider reworking classes to avoid initClass
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const SandboxedModule = require('sandboxed-module')
const sinon = require('sinon')
require('chai').should()
const { expect } = require('chai')
const modulePath = require('path').join(
__dirname,
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'../../../app/js/DockerRunner'
)
const Path = require('path')
describe('DockerRunner', function() {
beforeEach(function() {
let container, Docker, Timer
this.container = container = {}
this.DockerRunner = SandboxedModule.require(modulePath, {
requires: {
'settings-sharelatex': (this.Settings = {
clsi: { docker: {} },
path: {}
}),
'logger-sharelatex': (this.logger = {
log: sinon.stub(),
error: sinon.stub(),
err: sinon.stub(),
info: sinon.stub(),
warn: sinon.stub()
}),
dockerode: (Docker = (function() {
Docker = class Docker {
static initClass() {
this.prototype.getContainer = sinon.stub().returns(container)
this.prototype.createContainer = sinon
.stub()
.yields(null, container)
this.prototype.listContainers = sinon.stub()
}
}
Docker.initClass()
return Docker
})()),
fs: (this.fs = {
stat: sinon.stub().yields(null, {
isDirectory() {
return true
}
})
}),
'./Metrics': {
Timer: (Timer = class Timer {
done() {}
})
},
'./LockManager': {
runWithLock(key, runner, callback) {
return runner(callback)
}
}
}
})
this.Docker = Docker
this.getContainer = Docker.prototype.getContainer
this.createContainer = Docker.prototype.createContainer
this.listContainers = Docker.prototype.listContainers
this.directory = '/local/compile/directory'
this.mainFile = 'main-file.tex'
this.compiler = 'pdflatex'
this.image = 'example.com/sharelatex/image:2016.2'
this.env = {}
this.callback = sinon.stub()
this.project_id = 'project-id-123'
this.volumes = { '/local/compile/directory': '/compile' }
this.Settings.clsi.docker.image = this.defaultImage = 'default-image'
return (this.Settings.clsi.docker.env = { PATH: 'mock-path' })
})
afterEach(function() {
this.DockerRunner.stopContainerMonitor()
})
describe('run', function() {
beforeEach(function(done) {
this.DockerRunner._getContainerOptions = sinon
.stub()
.returns((this.options = { mockoptions: 'foo' }))
this.DockerRunner._fingerprintContainer = sinon
.stub()
.returns((this.fingerprint = 'fingerprint'))
this.name = `project-${this.project_id}-${this.fingerprint}`
this.command = ['mock', 'command', '--outdir=$COMPILE_DIR']
this.command_with_dir = ['mock', 'command', '--outdir=/compile']
this.timeout = 42000
return done()
})
describe('successfully', function() {
beforeEach(function(done) {
this.DockerRunner._runAndWaitForContainer = sinon
.stub()
.callsArgWith(3, null, (this.output = 'mock-output'))
return this.DockerRunner.run(
this.project_id,
this.command,
this.directory,
this.image,
this.timeout,
this.env,
(err, output) => {
this.callback(err, output)
return done()
}
)
})
it('should generate the options for the container', function() {
return this.DockerRunner._getContainerOptions
.calledWith(
this.command_with_dir,
this.image,
this.volumes,
this.timeout
)
.should.equal(true)
})
it('should generate the fingerprint from the returned options', function() {
return this.DockerRunner._fingerprintContainer
.calledWith(this.options)
.should.equal(true)
})
it('should do the run', function() {
return this.DockerRunner._runAndWaitForContainer
.calledWith(this.options, this.volumes, this.timeout)
.should.equal(true)
})
return it('should call the callback', function() {
return this.callback.calledWith(null, this.output).should.equal(true)
})
})
describe('when path.sandboxedCompilesHostDir is set', function() {
beforeEach(function() {
this.Settings.path.sandboxedCompilesHostDir = '/some/host/dir/compiles'
this.directory = '/var/lib/sharelatex/data/compiles/xyz'
this.DockerRunner._runAndWaitForContainer = sinon
.stub()
.callsArgWith(3, null, (this.output = 'mock-output'))
return this.DockerRunner.run(
this.project_id,
this.command,
this.directory,
this.image,
this.timeout,
this.env,
this.callback
)
})
it('should re-write the bind directory', function() {
const volumes = this.DockerRunner._runAndWaitForContainer.lastCall
.args[1]
return expect(volumes).to.deep.equal({
'/some/host/dir/compiles/xyz': '/compile'
})
})
return it('should call the callback', function() {
return this.callback.calledWith(null, this.output).should.equal(true)
})
})
describe('when the run throws an error', function() {
beforeEach(function() {
let firstTime = true
this.output = 'mock-output'
this.DockerRunner._runAndWaitForContainer = (
options,
volumes,
timeout,
callback
) => {
if (callback == null) {
callback = function(error, output) {}
}
if (firstTime) {
firstTime = false
const error = new Error('(HTTP code 500) server error - ...')
error.statusCode = 500
return callback(error)
} else {
return callback(null, this.output)
}
}
sinon.spy(this.DockerRunner, '_runAndWaitForContainer')
this.DockerRunner.destroyContainer = sinon.stub().callsArg(3)
return this.DockerRunner.run(
this.project_id,
this.command,
this.directory,
this.image,
this.timeout,
this.env,
this.callback
)
})
it('should do the run twice', function() {
return this.DockerRunner._runAndWaitForContainer.calledTwice.should.equal(
true
)
})
it('should destroy the container in between', function() {
return this.DockerRunner.destroyContainer
.calledWith(this.name, null)
.should.equal(true)
})
return it('should call the callback', function() {
return this.callback.calledWith(null, this.output).should.equal(true)
})
})
describe('with no image', function() {
beforeEach(function() {
this.DockerRunner._runAndWaitForContainer = sinon
.stub()
.callsArgWith(3, null, (this.output = 'mock-output'))
return this.DockerRunner.run(
this.project_id,
this.command,
this.directory,
null,
this.timeout,
this.env,
this.callback
)
})
return it('should use the default image', function() {
return this.DockerRunner._getContainerOptions
.calledWith(
this.command_with_dir,
this.defaultImage,
this.volumes,
this.timeout
)
.should.equal(true)
})
})
return describe('with image override', function() {
beforeEach(function() {
this.Settings.texliveImageNameOveride = 'overrideimage.com/something'
this.DockerRunner._runAndWaitForContainer = sinon
.stub()
.callsArgWith(3, null, (this.output = 'mock-output'))
return this.DockerRunner.run(
this.project_id,
this.command,
this.directory,
this.image,
this.timeout,
this.env,
this.callback
)
})
return it('should use the override and keep the tag', function() {
const image = this.DockerRunner._getContainerOptions.args[0][1]
return image.should.equal('overrideimage.com/something/image:2016.2')
})
})
})
describe('_runAndWaitForContainer', function() {
beforeEach(function() {
this.options = { mockoptions: 'foo', name: (this.name = 'mock-name') }
this.DockerRunner.startContainer = (
options,
volumes,
attachStreamHandler,
callback
) => {
attachStreamHandler(null, (this.output = 'mock-output'))
return callback(null, (this.containerId = 'container-id'))
}
sinon.spy(this.DockerRunner, 'startContainer')
this.DockerRunner.waitForContainer = sinon
.stub()
.callsArgWith(2, null, (this.exitCode = 42))
return this.DockerRunner._runAndWaitForContainer(
this.options,
this.volumes,
this.timeout,
this.callback
)
})
it('should create/start the container', function() {
return this.DockerRunner.startContainer
.calledWith(this.options, this.volumes)
.should.equal(true)
})
it('should wait for the container to finish', function() {
return this.DockerRunner.waitForContainer
.calledWith(this.name, this.timeout)
.should.equal(true)
})
return it('should call the callback with the output', function() {
return this.callback.calledWith(null, this.output).should.equal(true)
})
})
describe('startContainer', function() {
beforeEach(function() {
this.attachStreamHandler = sinon.stub()
this.attachStreamHandler.cock = true
this.options = { mockoptions: 'foo', name: 'mock-name' }
this.container.inspect = sinon.stub().callsArgWith(0)
this.DockerRunner.attachToContainer = (
containerId,
attachStreamHandler,
cb
) => {
attachStreamHandler()
return cb()
}
return sinon.spy(this.DockerRunner, 'attachToContainer')
})
describe('when the container exists', function() {
beforeEach(function() {
this.container.inspect = sinon.stub().callsArgWith(0)
this.container.start = sinon.stub().yields()
return this.DockerRunner.startContainer(
this.options,
this.volumes,
() => {},
this.callback
)
})
it('should start the container with the given name', function() {
this.getContainer.calledWith(this.options.name).should.equal(true)
return this.container.start.called.should.equal(true)
})
it('should not try to create the container', function() {
return this.createContainer.called.should.equal(false)
})
it('should attach to the container', function() {
return this.DockerRunner.attachToContainer.called.should.equal(true)
})
it('should call the callback', function() {
return this.callback.called.should.equal(true)
})
return it('should attach before the container starts', function() {
return sinon.assert.callOrder(
this.DockerRunner.attachToContainer,
this.container.start
)
})
})
describe('when inspect always fails with EPIPE error', function() {
beforeEach(function() {
this.error = new Error('write EPIPE')
this.container.inspect = sinon.stub().yields(this.error)
this.container.start = sinon.stub().yields()
this.DockerRunner.startContainer(
this.options,
this.volumes,
() => {},
this.callback
)
})
it('should retry once', function() {
sinon.assert.callOrder(
this.container.inspect,
this.container.inspect,
this.callback
)
})
it('should call back with error', function() {
sinon.assert.calledWith(this.callback, this.error)
})
})
describe('when inspect fails once with EPIPE error', function() {
beforeEach(function() {
this.container.inspect = sinon.stub()
this.container.inspect.onFirstCall().yields(new Error('write EPIPE'))
this.container.inspect.onSecondCall().yields()
this.container.start = sinon.stub().yields()
this.DockerRunner.startContainer(
this.options,
this.volumes,
() => {},
this.callback
)
})
it('should retry once and start container', function() {
sinon.assert.callOrder(
this.container.inspect,
this.container.inspect,
this.DockerRunner.attachToContainer,
this.container.start,
this.callback
)
})
it('should call back without error', function() {
sinon.assert.calledWith(this.callback, null)
})
})
describe('when the container does not exist', function() {
beforeEach(function() {
const exists = false
this.container.start = sinon.stub().yields()
this.container.inspect = sinon
.stub()
.callsArgWith(0, { statusCode: 404 })
return this.DockerRunner.startContainer(
this.options,
this.volumes,
this.attachStreamHandler,
this.callback
)
})
it('should create the container', function() {
return this.createContainer.calledWith(this.options).should.equal(true)
})
it('should call the callback and stream handler', function() {
this.attachStreamHandler.called.should.equal(true)
return this.callback.called.should.equal(true)
})
it('should attach to the container', function() {
return this.DockerRunner.attachToContainer.called.should.equal(true)
})
return it('should attach before the container starts', function() {
return sinon.assert.callOrder(
this.DockerRunner.attachToContainer,
this.container.start
)
})
})
describe('when the container is already running', function() {
beforeEach(function() {
const error = new Error(
`HTTP code is 304 which indicates error: server error - start: Cannot start container ${this.name}: The container MOCKID is already running.`
)
error.statusCode = 304
this.container.start = sinon.stub().yields(error)
this.container.inspect = sinon.stub().callsArgWith(0)
return this.DockerRunner.startContainer(
this.options,
this.volumes,
this.attachStreamHandler,
this.callback
)
})
it('should not try to create the container', function() {
return this.createContainer.called.should.equal(false)
})
return it('should call the callback and stream handler without an error', function() {
this.attachStreamHandler.called.should.equal(true)
return this.callback.called.should.equal(true)
})
})
describe('when a volume does not exist', function() {
beforeEach(function() {
this.fs.stat = sinon.stub().yields(new Error('no such path'))
return this.DockerRunner.startContainer(
this.options,
this.volumes,
this.attachStreamHandler,
this.callback
)
})
it('should not try to create the container', function() {
return this.createContainer.called.should.equal(false)
})
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it('should call the callback with an error', function() {
this.callback.calledWith(sinon.match(Error)).should.equal(true)
})
})
describe('when a volume exists but is not a directory', function() {
beforeEach(function() {
this.fs.stat = sinon.stub().yields(null, {
isDirectory() {
return false
}
})
return this.DockerRunner.startContainer(
this.options,
this.volumes,
this.attachStreamHandler,
this.callback
)
})
it('should not try to create the container', function() {
return this.createContainer.called.should.equal(false)
})
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it('should call the callback with an error', function() {
this.callback.calledWith(sinon.match(Error)).should.equal(true)
})
})
describe('when a volume does not exist, but sibling-containers are used', function() {
beforeEach(function() {
this.fs.stat = sinon.stub().yields(new Error('no such path'))
this.Settings.path.sandboxedCompilesHostDir = '/some/path'
this.container.start = sinon.stub().yields()
return this.DockerRunner.startContainer(
this.options,
this.volumes,
this.callback
)
})
afterEach(function() {
return delete this.Settings.path.sandboxedCompilesHostDir
})
it('should start the container with the given name', function() {
this.getContainer.calledWith(this.options.name).should.equal(true)
return this.container.start.called.should.equal(true)
})
it('should not try to create the container', function() {
return this.createContainer.called.should.equal(false)
})
return it('should call the callback', function() {
this.callback.called.should.equal(true)
return this.callback.calledWith(new Error()).should.equal(false)
})
})
return describe('when the container tries to be created, but already has been (race condition)', function() {})
})
describe('waitForContainer', function() {
beforeEach(function() {
this.containerId = 'container-id'
this.timeout = 5000
this.container.wait = sinon
.stub()
.yields(null, { StatusCode: (this.statusCode = 42) })
return (this.container.kill = sinon.stub().yields())
})
describe('when the container returns in time', function() {
beforeEach(function() {
return this.DockerRunner.waitForContainer(
this.containerId,
this.timeout,
this.callback
)
})
it('should wait for the container', function() {
this.getContainer.calledWith(this.containerId).should.equal(true)
return this.container.wait.called.should.equal(true)
})
return it('should call the callback with the exit', function() {
return this.callback
.calledWith(null, this.statusCode)
.should.equal(true)
})
})
return describe('when the container does not return before the timeout', function() {
beforeEach(function(done) {
this.container.wait = function(callback) {
if (callback == null) {
callback = function(error, exitCode) {}
}
return setTimeout(() => callback(null, { StatusCode: 42 }), 100)
}
this.timeout = 5
return this.DockerRunner.waitForContainer(
this.containerId,
this.timeout,
(...args) => {
this.callback(...Array.from(args || []))
return done()
}
)
})
it('should call kill on the container', function() {
this.getContainer.calledWith(this.containerId).should.equal(true)
return this.container.kill.called.should.equal(true)
})
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it('should call the callback with an error', function() {
this.callback.calledWith(sinon.match(Error)).should.equal(true)
const errorObj = this.callback.args[0][0]
expect(errorObj.message).to.include('container timed out')
expect(errorObj.timedout).equal(true)
})
})
})
describe('destroyOldContainers', function() {
beforeEach(function(done) {
const oneHourInSeconds = 60 * 60
const oneHourInMilliseconds = oneHourInSeconds * 1000
const nowInSeconds = Date.now() / 1000
this.containers = [
{
Name: '/project-old-container-name',
Id: 'old-container-id',
Created: nowInSeconds - oneHourInSeconds - 100
},
{
Name: '/project-new-container-name',
Id: 'new-container-id',
Created: nowInSeconds - oneHourInSeconds + 100
},
{
Name: '/totally-not-a-project-container',
Id: 'some-random-id',
Created: nowInSeconds - 2 * oneHourInSeconds
}
]
this.DockerRunner.MAX_CONTAINER_AGE = oneHourInMilliseconds
this.listContainers.callsArgWith(1, null, this.containers)
this.DockerRunner.destroyContainer = sinon.stub().callsArg(3)
return this.DockerRunner.destroyOldContainers(error => {
this.callback(error)
return done()
})
})
it('should list all containers', function() {
return this.listContainers.calledWith({ all: true }).should.equal(true)
})
it('should destroy old containers', function() {
this.DockerRunner.destroyContainer.callCount.should.equal(1)
return this.DockerRunner.destroyContainer
.calledWith('project-old-container-name', 'old-container-id')
.should.equal(true)
})
it('should not destroy new containers', function() {
return this.DockerRunner.destroyContainer
.calledWith('project-new-container-name', 'new-container-id')
.should.equal(false)
})
it('should not destroy non-project containers', function() {
return this.DockerRunner.destroyContainer
.calledWith('totally-not-a-project-container', 'some-random-id')
.should.equal(false)
})
return it('should callback the callback', function() {
return this.callback.called.should.equal(true)
})
})
describe('_destroyContainer', function() {
beforeEach(function() {
this.containerId = 'some_id'
this.fakeContainer = { remove: sinon.stub().callsArgWith(1, null) }
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
it('should get the container', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
false,
err => {
this.Docker.prototype.getContainer.callCount.should.equal(1)
this.Docker.prototype.getContainer
.calledWith(this.containerId)
.should.equal(true)
return done()
}
)
})
it('should try to force-destroy the container when shouldForce=true', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
true,
err => {
this.fakeContainer.remove.callCount.should.equal(1)
this.fakeContainer.remove
.calledWith({ force: true })
.should.equal(true)
return done()
}
)
})
it('should not try to force-destroy the container when shouldForce=false', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
false,
err => {
this.fakeContainer.remove.callCount.should.equal(1)
this.fakeContainer.remove
.calledWith({ force: false })
.should.equal(true)
return done()
}
)
})
it('should not produce an error', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
false,
err => {
expect(err).to.equal(null)
return done()
}
)
})
describe('when the container is already gone', function() {
beforeEach(function() {
this.fakeError = new Error('woops')
this.fakeError.statusCode = 404
this.fakeContainer = {
remove: sinon.stub().callsArgWith(1, this.fakeError)
}
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
return it('should not produce an error', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
false,
err => {
expect(err).to.equal(null)
return done()
}
)
})
})
return describe('when container.destroy produces an error', function(done) {
beforeEach(function() {
this.fakeError = new Error('woops')
this.fakeError.statusCode = 500
this.fakeContainer = {
remove: sinon.stub().callsArgWith(1, this.fakeError)
}
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
return it('should produce an error', function(done) {
return this.DockerRunner._destroyContainer(
this.containerId,
false,
err => {
expect(err).to.not.equal(null)
expect(err).to.equal(this.fakeError)
return done()
}
)
})
})
})
return describe('kill', function() {
beforeEach(function() {
this.containerId = 'some_id'
this.fakeContainer = { kill: sinon.stub().callsArgWith(0, null) }
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
it('should get the container', function(done) {
return this.DockerRunner.kill(this.containerId, err => {
this.Docker.prototype.getContainer.callCount.should.equal(1)
this.Docker.prototype.getContainer
.calledWith(this.containerId)
.should.equal(true)
return done()
})
})
it('should try to force-destroy the container', function(done) {
return this.DockerRunner.kill(this.containerId, err => {
this.fakeContainer.kill.callCount.should.equal(1)
return done()
})
})
it('should not produce an error', function(done) {
return this.DockerRunner.kill(this.containerId, err => {
expect(err).to.equal(undefined)
return done()
})
})
describe('when the container is not actually running', function() {
beforeEach(function() {
this.fakeError = new Error('woops')
this.fakeError.statusCode = 500
this.fakeError.message =
'Cannot kill container <whatever> is not running'
this.fakeContainer = {
kill: sinon.stub().callsArgWith(0, this.fakeError)
}
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
return it('should not produce an error', function(done) {
return this.DockerRunner.kill(this.containerId, err => {
expect(err).to.equal(undefined)
return done()
})
})
})
return describe('when container.kill produces a legitimate error', function(done) {
beforeEach(function() {
this.fakeError = new Error('woops')
this.fakeError.statusCode = 500
this.fakeError.message = 'Totally legitimate reason to throw an error'
this.fakeContainer = {
kill: sinon.stub().callsArgWith(0, this.fakeError)
}
return (this.Docker.prototype.getContainer = sinon
.stub()
.returns(this.fakeContainer))
})
return it('should produce an error', function(done) {
return this.DockerRunner.kill(this.containerId, err => {
expect(err).to.not.equal(undefined)
expect(err).to.equal(this.fakeError)
return done()
})
})
})
})
})