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

509 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 "with image override", ->
beforeEach ->
@Settings.texliveImageNameOveride = "overrideimage.com/something"
@DockerRunner._runAndWaitForContainer = sinon.stub().callsArgWith(3, null, @output = "mock-output")
@DockerRunner.run @project_id, @command, @directory, @image, @timeout, @env, @callback
it "should use the override and keep the tag", ->
image = @DockerRunner._getContainerOptions.args[0][1]
image.should.equal "overrideimage.com/something/image:2016.2"
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()