overleaf/services/clsi/test/unit/coffee/DockerRunnerTests.coffee
Henry Oswald 9a519f0d3d added docker runner into core codebase
supports both local command runner and docker runner

added docker files for tex live

also fixed tests so they exit correctly & removed debug lines
2018-03-14 15:44:49 +00:00

499 lines
17 KiB
CoffeeScript

SandboxedModule = require('sandboxed-module')
sinon = require('sinon')
require('chai').should()
expect = require('chai').expect
require "coffee-script"
modulePath = require('path').join __dirname, '../../../app/coffee/DockerRunner'
Path = require "path"
describe "DockerRunner", ->
beforeEach ->
@container = container = {}
@DockerRunner = SandboxedModule.require modulePath, requires:
"settings-sharelatex": @Settings =
clsi: docker: {}
path: {}
"logger-sharelatex": @logger = {
log: sinon.stub(),
error: sinon.stub(),
info: sinon.stub(),
warn: sinon.stub()
}
"dockerode": class Docker
getContainer: sinon.stub().returns(container)
createContainer: sinon.stub().yields(null, container)
listContainers: sinon.stub()
"fs": @fs = { stat: sinon.stub().yields(null,{isDirectory:()->true}) }
"./Metrics":
Timer: class Timer
done: () ->
"./LockManager":
runWithLock: (key, runner, callback) -> runner(callback)
@Docker = Docker
@getContainer = Docker::getContainer
@createContainer = Docker::createContainer
@listContainers = Docker::listContainers
@directory = "/local/compile/directory"
@mainFile = "main-file.tex"
@compiler = "pdflatex"
@image = "example.com/sharelatex/image:2016.2"
@env = {}
@callback = sinon.stub()
@project_id = "project-id-123"
@volumes =
"/local/compile/directory": "/compile"
@Settings.clsi.docker.image = @defaultImage = "default-image"
@Settings.clsi.docker.env = PATH: "mock-path"
describe "run", ->
beforeEach (done)->
@DockerRunner._getContainerOptions = sinon.stub().returns(@options = {mockoptions: "foo"})
@DockerRunner._fingerprintContainer = sinon.stub().returns(@fingerprint = "fingerprint")
@name = "project-#{@project_id}-#{@fingerprint}"
@command = ["mock", "command", "--outdir=$COMPILE_DIR"]
@command_with_dir = ["mock", "command", "--outdir=/compile"]
@timeout = 42000
done()
describe "successfully", ->
beforeEach (done)->
@DockerRunner._runAndWaitForContainer = sinon.stub().callsArgWith(3, null, @output = "mock-output")
@DockerRunner.run @project_id, @command, @directory, @image, @timeout, @env, (err, output)=>
@callback(err, output)
done()
it "should generate the options for the container", ->
@DockerRunner._getContainerOptions
.calledWith(@command_with_dir, @image, @volumes, @timeout)
.should.equal true
it "should generate the fingerprint from the returned options", ->
@DockerRunner._fingerprintContainer
.calledWith(@options)
.should.equal true
it "should do the run", ->
@DockerRunner._runAndWaitForContainer
.calledWith(@options, @volumes, @timeout)
.should.equal true
it "should call the callback", ->
@callback.calledWith(null, @output).should.equal true
describe 'when path.sandboxedCompilesHostDir is set', ->
beforeEach ->
@Settings.path.sandboxedCompilesHostDir = '/some/host/dir/compiles'
@directory = '/var/lib/sharelatex/data/compiles/xyz'
@DockerRunner._runAndWaitForContainer = sinon.stub().callsArgWith(3, null, @output = "mock-output")
@DockerRunner.run @project_id, @command, @directory, @image, @timeout, @env, @callback
it 'should re-write the bind directory', ->
volumes = @DockerRunner._runAndWaitForContainer.lastCall.args[1]
expect(volumes).to.deep.equal {
'/some/host/dir/compiles/xyz': '/compile'
}
it "should call the callback", ->
@callback.calledWith(null, @output).should.equal true
describe "when the run throws an error", ->
beforeEach ->
firstTime = true
@output = "mock-output"
@DockerRunner._runAndWaitForContainer = (options, volumes, timeout, callback = (error, output)->) =>
if firstTime
firstTime = false
callback new Error("HTTP code is 500 which indicates error: server error")
else
callback(null, @output)
sinon.spy @DockerRunner, "_runAndWaitForContainer"
@DockerRunner.destroyContainer = sinon.stub().callsArg(3)
@DockerRunner.run @project_id, @command, @directory, @image, @timeout, @env, @callback
it "should do the run twice", ->
@DockerRunner._runAndWaitForContainer
.calledTwice.should.equal true
it "should destroy the container in between", ->
@DockerRunner.destroyContainer
.calledWith(@name, null)
.should.equal true
it "should call the callback", ->
@callback.calledWith(null, @output).should.equal true
describe "with no image", ->
beforeEach ->
@DockerRunner._runAndWaitForContainer = sinon.stub().callsArgWith(3, null, @output = "mock-output")
@DockerRunner.run @project_id, @command, @directory, null, @timeout, @env, @callback
it "should use the default image", ->
@DockerRunner._getContainerOptions
.calledWith(@command_with_dir, @defaultImage, @volumes, @timeout)
.should.equal true
describe "_runAndWaitForContainer", ->
beforeEach ->
@options = {mockoptions: "foo", name: @name = "mock-name"}
@DockerRunner.startContainer = (options, volumes, attachStreamHandler, callback) =>
attachStreamHandler(null, @output = "mock-output")
callback(null, @containerId = "container-id")
sinon.spy @DockerRunner, "startContainer"
@DockerRunner.waitForContainer = sinon.stub().callsArgWith(2, null, @exitCode = 42)
@DockerRunner._runAndWaitForContainer @options, @volumes, @timeout, @callback
it "should create/start the container", ->
@DockerRunner.startContainer
.calledWith(@options, @volumes)
.should.equal true
it "should wait for the container to finish", ->
@DockerRunner.waitForContainer
.calledWith(@name, @timeout)
.should.equal true
it "should call the callback with the output", ->
@callback.calledWith(null, @output).should.equal true
describe "startContainer", ->
beforeEach ->
@attachStreamHandler = sinon.stub()
@attachStreamHandler.cock = true
@options = {mockoptions: "foo", name: "mock-name"}
@container.inspect = sinon.stub().callsArgWith(0)
@DockerRunner.attachToContainer = (containerId, attachStreamHandler, cb)=>
attachStreamHandler()
cb()
sinon.spy @DockerRunner, "attachToContainer"
describe "when the container exists", ->
beforeEach ->
@container.inspect = sinon.stub().callsArgWith(0)
@container.start = sinon.stub().yields()
@DockerRunner.startContainer @options, @volumes, @callback, ->
it "should start the container with the given name", ->
@getContainer
.calledWith(@options.name)
.should.equal true
@container.start
.called
.should.equal true
it "should not try to create the container", ->
@createContainer.called.should.equal false
it "should attach to the container", ->
@DockerRunner.attachToContainer.called.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
it "should attach before the container starts", ->
sinon.assert.callOrder(@DockerRunner.attachToContainer, @container.start)
describe "when the container does not exist", ->
beforeEach ()->
exists = false
@container.start = sinon.stub().yields()
@container.inspect = sinon.stub().callsArgWith(0, {statusCode:404})
@DockerRunner.startContainer @options, @volumes, @attachStreamHandler, @callback
it "should create the container", ->
@createContainer
.calledWith(@options)
.should.equal true
it "should call the callback and stream handler", ->
@attachStreamHandler.called.should.equal true
@callback.called.should.equal true
it "should attach to the container", ->
@DockerRunner.attachToContainer.called.should.equal true
it "should attach before the container starts", ->
sinon.assert.callOrder(@DockerRunner.attachToContainer, @container.start)
describe "when the container is already running", ->
beforeEach ->
error = new Error("HTTP code is 304 which indicates error: server error - start: Cannot start container #{@name}: The container MOCKID is already running.")
error.statusCode = 304
@container.start = sinon.stub().yields(error)
@container.inspect = sinon.stub().callsArgWith(0)
@DockerRunner.startContainer @options, @volumes, @attachStreamHandler, @callback
it "should not try to create the container", ->
@createContainer.called.should.equal false
it "should call the callback and stream handler without an error", ->
@attachStreamHandler.called.should.equal true
@callback.called.should.equal true
describe "when a volume does not exist", ->
beforeEach ()->
@fs.stat = sinon.stub().yields(new Error("no such path"))
@DockerRunner.startContainer @options, @volumes, @attachStreamHandler, @callback
it "should not try to create the container", ->
@createContainer.called.should.equal false
it "should call the callback with an error", ->
@callback.calledWith(new Error()).should.equal true
describe "when a volume exists but is not a directory", ->
beforeEach ->
@fs.stat = sinon.stub().yields(null, {isDirectory: () -> return false})
@DockerRunner.startContainer @options, @volumes, @attachStreamHandler, @callback
it "should not try to create the container", ->
@createContainer.called.should.equal false
it "should call the callback with an error", ->
@callback.calledWith(new Error()).should.equal true
describe "when a volume does not exist, but sibling-containers are used", ->
beforeEach ->
@fs.stat = sinon.stub().yields(new Error("no such path"))
@Settings.path.sandboxedCompilesHostDir = '/some/path'
@container.start = sinon.stub().yields()
@DockerRunner.startContainer @options, @volumes, @callback
afterEach ->
delete @Settings.path.sandboxedCompilesHostDir
it "should start the container with the given name", ->
@getContainer
.calledWith(@options.name)
.should.equal true
@container.start
.called
.should.equal true
it "should not try to create the container", ->
@createContainer.called.should.equal false
it "should call the callback", ->
@callback.called.should.equal true
@callback.calledWith(new Error()).should.equal false
describe "when the container tries to be created, but already has been (race condition)", ->
describe "waitForContainer", ->
beforeEach ->
@containerId = "container-id"
@timeout = 5000
@container.wait = sinon.stub().yields(null, StatusCode: @statusCode = 42)
@container.kill = sinon.stub().yields()
describe "when the container returns in time", ->
beforeEach ->
@DockerRunner.waitForContainer @containerId, @timeout, @callback
it "should wait for the container", ->
@getContainer
.calledWith(@containerId)
.should.equal true
@container.wait
.called
.should.equal true
it "should call the callback with the exit", ->
@callback
.calledWith(null, @statusCode)
.should.equal true
describe "when the container does not return before the timeout", ->
beforeEach (done) ->
@container.wait = (callback = (error, exitCode) ->) ->
setTimeout () ->
callback(null, StatusCode: 42)
, 100
@timeout = 5
@DockerRunner.waitForContainer @containerId, @timeout, (args...) =>
@callback(args...)
done()
it "should call kill on the container", ->
@getContainer
.calledWith(@containerId)
.should.equal true
@container.kill
.called
.should.equal true
it "should call the callback with an error", ->
error = new Error("container timed out")
error.timedout = true
@callback
.calledWith(error)
.should.equal true
describe "destroyOldContainers", ->
beforeEach (done) ->
oneHourInSeconds = 60 * 60
oneHourInMilliseconds = oneHourInSeconds * 1000
nowInSeconds = Date.now()/1000
@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 )
}]
@DockerRunner.MAX_CONTAINER_AGE = oneHourInMilliseconds
@listContainers.callsArgWith(1, null, @containers)
@DockerRunner.destroyContainer = sinon.stub().callsArg(3)
@DockerRunner.destroyOldContainers (error) =>
@callback(error)
done()
it "should list all containers", ->
@listContainers
.calledWith(all: true)
.should.equal true
it "should destroy old containers", ->
@DockerRunner.destroyContainer
.callCount
.should.equal 1
@DockerRunner.destroyContainer
.calledWith("/project-old-container-name", "old-container-id")
.should.equal true
it "should not destroy new containers", ->
@DockerRunner.destroyContainer
.calledWith("/project-new-container-name", "new-container-id")
.should.equal false
it "should not destroy non-project containers", ->
@DockerRunner.destroyContainer
.calledWith("/totally-not-a-project-container", "some-random-id")
.should.equal false
it "should callback the callback", ->
@callback.called.should.equal true
describe '_destroyContainer', ->
beforeEach ->
@containerId = 'some_id'
@fakeContainer =
remove: sinon.stub().callsArgWith(1, null)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should get the container', (done) ->
@DockerRunner._destroyContainer @containerId, false, (err) =>
@Docker::getContainer.callCount.should.equal 1
@Docker::getContainer.calledWith(@containerId).should.equal true
done()
it 'should try to force-destroy the container when shouldForce=true', (done) ->
@DockerRunner._destroyContainer @containerId, true, (err) =>
@fakeContainer.remove.callCount.should.equal 1
@fakeContainer.remove.calledWith({force: true}).should.equal true
done()
it 'should not try to force-destroy the container when shouldForce=false', (done) ->
@DockerRunner._destroyContainer @containerId, false, (err) =>
@fakeContainer.remove.callCount.should.equal 1
@fakeContainer.remove.calledWith({force: false}).should.equal true
done()
it 'should not produce an error', (done) ->
@DockerRunner._destroyContainer @containerId, false, (err) =>
expect(err).to.equal null
done()
describe 'when the container is already gone', ->
beforeEach ->
@fakeError = new Error('woops')
@fakeError.statusCode = 404
@fakeContainer =
remove: sinon.stub().callsArgWith(1, @fakeError)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should not produce an error', (done) ->
@DockerRunner._destroyContainer @containerId, false, (err) =>
expect(err).to.equal null
done()
describe 'when container.destroy produces an error', (done) ->
beforeEach ->
@fakeError = new Error('woops')
@fakeError.statusCode = 500
@fakeContainer =
remove: sinon.stub().callsArgWith(1, @fakeError)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should produce an error', (done) ->
@DockerRunner._destroyContainer @containerId, false, (err) =>
expect(err).to.not.equal null
expect(err).to.equal @fakeError
done()
describe 'kill', ->
beforeEach ->
@containerId = 'some_id'
@fakeContainer =
kill: sinon.stub().callsArgWith(0, null)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should get the container', (done) ->
@DockerRunner.kill @containerId, (err) =>
@Docker::getContainer.callCount.should.equal 1
@Docker::getContainer.calledWith(@containerId).should.equal true
done()
it 'should try to force-destroy the container', (done) ->
@DockerRunner.kill @containerId, (err) =>
@fakeContainer.kill.callCount.should.equal 1
done()
it 'should not produce an error', (done) ->
@DockerRunner.kill @containerId, (err) =>
expect(err).to.equal undefined
done()
describe 'when the container is not actually running', ->
beforeEach ->
@fakeError = new Error('woops')
@fakeError.statusCode = 500
@fakeError.message = 'Cannot kill container <whatever> is not running'
@fakeContainer =
kill: sinon.stub().callsArgWith(0, @fakeError)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should not produce an error', (done) ->
@DockerRunner.kill @containerId, (err) =>
expect(err).to.equal undefined
done()
describe 'when container.kill produces a legitimate error', (done) ->
beforeEach ->
@fakeError = new Error('woops')
@fakeError.statusCode = 500
@fakeError.message = 'Totally legitimate reason to throw an error'
@fakeContainer =
kill: sinon.stub().callsArgWith(0, @fakeError)
@Docker::getContainer = sinon.stub().returns(@fakeContainer)
it 'should produce an error', (done) ->
@DockerRunner.kill @containerId, (err) =>
expect(err).to.not.equal undefined
expect(err).to.equal @fakeError
done()