func TestRemoveContainerReferenceFromImageStateWithNoReference(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImageState := &image.ImageState{
Image: sourceImage,
PulledAt: time.Now(),
}
imageManager.addImageState(sourceImageState)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.RemoveContainerReferenceFromImageState(container)
if err == nil {
t.Error("Expected error removing non-existing container reference from image state")
}
}
func TestGetLeastRecentlyUsedImagesLessThanFive(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
imageStateA := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -5, 0),
}
imageStateB := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -3, 0),
}
imageStateC := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -2, 0),
}
candidateImagesForDeletion := []*image.ImageState{
imageStateA, imageStateB, imageStateC,
}
expectedLeastRecentlyUsedImages := []*image.ImageState{
imageStateA, imageStateB, imageStateC,
}
leastRecentlyUsedImage := imageManager.getLeastRecentlyUsedImage(candidateImagesForDeletion)
if !reflect.DeepEqual(leastRecentlyUsedImage, expectedLeastRecentlyUsedImages[0]) {
t.Error("Incorrect order of least recently used images")
}
}
func TestDeleteImageOtherRemoveImageErrors(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageManager.SetSaver(statemanager.NewNoopStateManager())
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
imageState, _ := imageManager.getImageState(imageInspected.ID)
client.EXPECT().RemoveImage(container.Image, removeImageTimeout).Return(errors.New("container for this image exists"))
imageManager.deleteImage(container.Image, imageState)
if len(imageState.Image.Names) == 0 {
t.Error("Incorrectly removed Image name from image state")
}
if len(imageManager.getAllImageStates()) == 0 {
t.Error("Incorrecting removed image state from image manager before deletion")
}
}
func TestAddContainerReferenceToImageStateInspectError(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImageState := &image.ImageState{
Image: sourceImage,
PulledAt: time.Now(),
}
sourceImageState.AddImageName(container.Image)
imageManager.addImageState(sourceImageState)
client.EXPECT().InspectImage(container.Image).Return(nil, errors.New("error inspecting")).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err == nil {
t.Error("Expected error in inspecting image while adding container to image state")
}
}
func TestAddContainerReferenceToNewImageStateAddedState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageID := "sha256:qwerty"
var imageSize int64
imageSize = 18767
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: imageID,
}
sourceImageState := &image.ImageState{
Image: sourceImage,
}
sourceImage1 := &image.Image{
ImageID: "sha256:asdfg",
}
sourceImageState1 := &image.ImageState{
Image: sourceImage1,
}
sourceImageState1.AddImageName("testContainerImage")
imageManager.addImageState(sourceImageState)
imageManager.addImageState(sourceImageState1)
imageManager.addContainerReferenceToNewImageState(container, imageID, imageSize)
if !reflect.DeepEqual(sourceImageState.Containers[0], container) {
t.Error("Incorrect container added to an already existing image state")
}
if len(sourceImageState1.Image.Names) != 0 {
t.Error("Error removing existing image name of different ID")
}
}
func TestLoadsV1DataCorrectly(t *testing.T) {
cfg := &config.Config{DataDir: filepath.Join(".", "testdata", "v1", "1")}
taskEngine := engine.NewTaskEngine(&config.Config{}, nil, nil, nil, nil, dockerstate.NewDockerTaskEngineState())
var containerInstanceArn, cluster, savedInstanceID string
var sequenceNumber int64
stateManager, err := statemanager.NewStateManager(cfg,
statemanager.AddSaveable("TaskEngine", taskEngine),
statemanager.AddSaveable("ContainerInstanceArn", &containerInstanceArn),
statemanager.AddSaveable("Cluster", &cluster),
statemanager.AddSaveable("EC2InstanceID", &savedInstanceID),
statemanager.AddSaveable("SeqNum", &sequenceNumber),
)
if err != nil {
t.Fatal(err)
}
err = stateManager.Load()
if err != nil {
t.Fatal("Error loading state", err)
}
if cluster != "test" {
t.Fatal("Wrong cluster: " + cluster)
}
if sequenceNumber != 0 {
t.Fatal("v1 should give a sequence number of 0")
}
tasks, err := taskEngine.ListTasks()
if err != nil {
t.Fatal(err)
}
var deadTask *api.Task
for _, task := range tasks {
if task.Arn == "arn:aws:ecs:us-west-2:1234567890:task/f44b4fc9-adb0-4f4f-9dff-871512310588" {
deadTask = task
}
}
if deadTask == nil {
t.Fatal("Could not find task expected to be in state")
}
if deadTask.SentStatus != api.TaskStopped {
t.Fatal("task dead should be stopped now")
}
if deadTask.Containers[0].SentStatus != api.ContainerStopped {
t.Fatal("container Dead should go to stopped")
}
if deadTask.Containers[0].DesiredStatus != api.ContainerStopped {
t.Fatal("container Dead should go to stopped")
}
if deadTask.Containers[0].KnownStatus != api.ContainerStopped {
t.Fatal("container Dead should go to stopped")
}
expected, _ := time.Parse(time.RFC3339, "2015-04-28T17:29:48.129140193Z")
if deadTask.KnownStatusTime != expected {
t.Fatal("Time was not correct")
}
}
func TestDeleteImageIDNull(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageManager.SetSaver(statemanager.NewNoopStateManager())
imageManager.deleteImage("", nil)
}
func TestRemoveUnusedImagesNoImages(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageManager.SetSaver(statemanager.NewNoopStateManager())
imageManager.removeUnusedImages()
}
func TestJsonEncoding(t *testing.T) {
state := dockerstate.NewDockerTaskEngineState()
decodeEqual(t, state)
testState := dockerstate.NewDockerTaskEngineState()
testTask := createTestTask("test1", 1)
testState.AddTask(testTask)
for i, cont := range testTask.Containers {
testState.AddContainer(&api.DockerContainer{DockerId: "docker" + strconv.Itoa(i), DockerName: "someName", Container: cont}, testTask)
}
other := decodeEqual(t, testState)
_, ok := other.ContainerMapByArn("test1")
if !ok {
t.Error("Could not retrieve expected task")
}
}
func TestRemoveLeastRecentlyUsedImageNoImage(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageManager.SetSaver(statemanager.NewNoopStateManager())
err := imageManager.removeLeastRecentlyUsedImage()
if err == nil {
t.Error("Expected Error for no LRU image to remove")
}
}
func TestGetCandidateImagesForDeletionImageHasMoreContainerReferences(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
container2 := &api.Container{
Name: "testContainer2",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImage.Names = append(sourceImage.Names, container.Image)
sourceImageState := &image.ImageState{
Image: sourceImage,
PulledAt: time.Now().AddDate(0, -2, 0),
}
imageManager.addImageState(sourceImageState)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err = imageManager.AddContainerReferenceToImageState(container2)
if err != nil {
t.Error("Error in adding container2 to an existing image state")
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err = imageManager.RemoveContainerReferenceFromImageState(container)
if err != nil {
t.Error("Error removing container reference from image state")
}
imageStates := imageManager.getCandidateImagesForDeletion()
if len(imageStates) > 0 {
t.Error("Expected no image state to be returned for deletion")
}
}
func TestImageCleanupHappyPath(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: 1 * time.Millisecond,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
imageManager.SetSaver(statemanager.NewNoopStateManager())
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
err = imageManager.RemoveContainerReferenceFromImageState(container)
if err != nil {
t.Error("Error removing container reference from image state")
}
imageState, _ := imageManager.getImageState(imageInspected.ID)
imageState.PulledAt = time.Now().AddDate(0, -2, 0)
imageState.LastUsedAt = time.Now().AddDate(0, -2, 0)
imageState.AddImageName("anotherImage")
client.EXPECT().RemoveImage(container.Image, removeImageTimeout).Return(nil)
client.EXPECT().RemoveImage("anotherImage", removeImageTimeout).Return(nil)
parent := context.Background()
ctx, cancel := context.WithCancel(parent)
go imageManager.performPeriodicImageCleanup(ctx, 2*time.Millisecond)
time.Sleep(1 * time.Second)
cancel()
if len(imageState.Image.Names) != 0 {
t.Error("Error removing image name from state after the image is removed")
}
if len(imageManager.imageStates) != 0 {
t.Error("Error removing image state after the image is removed")
}
}
func TestAddContainerReferenceToExistingImageStateNoState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageID := "sha256:qwerty"
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
if imageManager.addContainerReferenceToExistingImageState(container, imageID) {
t.Error("Error adding container to an incorrect existing image state")
}
}
func TestImageCleanupCannotRemoveImage(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
imageManager.SetSaver(statemanager.NewNoopStateManager())
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImage.Names = append(sourceImage.Names, container.Image)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
err = imageManager.RemoveContainerReferenceFromImageState(container)
if err != nil {
t.Error("Error removing container reference from image state")
}
imageState, _ := imageManager.getImageState(imageInspected.ID)
imageState.PulledAt = time.Now().AddDate(0, -2, 0)
imageState.LastUsedAt = time.Now().AddDate(0, -2, 0)
client.EXPECT().RemoveImage(container.Image, removeImageTimeout).Return(errors.New("error removing image")).AnyTimes()
imageManager.removeUnusedImages()
if len(imageState.Image.Names) == 0 {
t.Error("Error: image name should not be removed")
}
if len(imageManager.imageStates) == 0 {
t.Error("Error: image state should not be removed")
}
}
func TestRemoveAlreadyExistingImageNameWithDifferentID(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImage.Names = append(sourceImage.Names, container.Image)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil)
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
container1 := &api.Container{
Name: "testContainer1",
Image: "testContainerImage",
}
imageInspected1 := &docker.Image{
ID: "sha256:asdfg",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected1, nil)
err = imageManager.AddContainerReferenceToImageState(container1)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
imageState, ok := imageManager.getImageState(imageInspected.ID)
if !ok {
t.Error("Error in retrieving existing Image State for the Container")
}
if len(imageState.Image.Names) != 0 {
t.Error("Error in removing already existing image name with different ID")
}
}
func TestRemoveInvalidContainerReferenceFromImageState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := NewImageManager(defaultTestConfig(), client, dockerstate.NewDockerTaskEngineState())
container := &api.Container{
Image: "",
}
err := imageManager.RemoveContainerReferenceFromImageState(container)
if err == nil {
t.Error("Expected error removing container reference with no image name from image state")
}
}
func TestRemoveContainerReferenceFromImageStateInspectError(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := NewImageManager(defaultTestConfig(), client, dockerstate.NewDockerTaskEngineState())
container := &api.Container{
Image: "myContainerImage",
}
client.EXPECT().InspectImage(container.Image).Return(nil, errors.New("error inspecting")).AnyTimes()
err := imageManager.RemoveContainerReferenceFromImageState(container)
if err == nil {
t.Error("Expected error in inspecting image while adding container to image state")
}
}
// NewDockerTaskEngine returns a created, but uninitialized, DockerTaskEngine.
// The distinction between created and initialized is that when created it may
// be serialized/deserialized, but it will not communicate with docker until it
// is also initialized.
func NewDockerTaskEngine(cfg *config.Config) *DockerTaskEngine {
dockerTaskEngine := &DockerTaskEngine{
client: nil,
saver: statemanager.NewNoopStateManager(),
state: dockerstate.NewDockerTaskEngineState(),
managedTasks: make(map[string]*managedTask),
taskStopGroup: utilsync.NewSequentialWaitGroup(),
containerEvents: make(chan api.ContainerStateChange),
taskEvents: make(chan api.TaskStateChange),
}
dockerauth.SetConfig(cfg)
return dockerTaskEngine
}
func decodeEqual(t *testing.T, state *dockerstate.DockerTaskEngineState) *dockerstate.DockerTaskEngineState {
data, err := json.Marshal(&state)
if err != nil {
t.Error(err)
}
otherState := dockerstate.NewDockerTaskEngineState()
err = json.Unmarshal(data, &otherState)
if err != nil {
t.Error(err)
}
if !DockerStatesEqual(state, otherState) {
debug.PrintStack()
t.Error("States were not equal")
}
return otherState
}
// NewDockerTaskEngine returns a created, but uninitialized, DockerTaskEngine.
// The distinction between created and initialized is that when created it may
// be serialized/deserialized, but it will not communicate with docker until it
// is also initialized.
func NewDockerTaskEngine(cfg *config.Config, acceptInsecureCert bool) *DockerTaskEngine {
dockerTaskEngine := &DockerTaskEngine{
cfg: cfg,
acceptInsecureCert: acceptInsecureCert,
client: nil,
saver: statemanager.NewNoopStateManager(),
state: dockerstate.NewDockerTaskEngineState(),
managedTasks: make(map[string]*managedTask),
taskStopGroup: utilsync.NewSequentialWaitGroup(),
containerEvents: make(chan api.ContainerStateChange),
taskEvents: make(chan api.TaskStateChange),
}
return dockerTaskEngine
}
func TestAddAndRemoveContainerToImageStateReferenceHappyPath(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := NewImageManager(defaultTestConfig(), client, dockerstate.NewDockerTaskEngineState())
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImageState := &image.ImageState{
Image: sourceImage,
PulledAt: time.Now().AddDate(0, -2, 0),
}
sourceImageState.AddImageName(container.Image)
imageManager.(*dockerImageManager).addImageState(sourceImageState)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil)
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
imageState, ok := imageManager.(*dockerImageManager).getImageState(imageInspected.ID)
if !ok {
t.Error("Error in retrieving existing Image State for the Container")
}
if !reflect.DeepEqual(sourceImageState, imageState) {
t.Error("Mismatch between added and retrieved image state")
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil)
err = imageManager.RemoveContainerReferenceFromImageState(container)
if err != nil {
t.Error("Error removing container reference from image state")
}
imageState, _ = imageManager.(*dockerImageManager).getImageState(imageInspected.ID)
if len(imageState.Containers) != 0 {
t.Error("Error removing container reference from image state")
}
}
func TestAddContainerReferenceToNewImageState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageID := "sha256:qwerty"
var imageSize int64
imageSize = 18767
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
imageManager.addContainerReferenceToNewImageState(container, imageID, imageSize)
_, ok := imageManager.getImageState(imageID)
if !ok {
t.Error("Error adding container reference to new image state")
}
}
// NewDockerTaskEngine returns a created, but uninitialized, DockerTaskEngine.
// The distinction between created and initialized is that when created it may
// be serialized/deserialized, but it will not communicate with docker until it
// is also initialized.
func NewDockerTaskEngine(cfg *config.Config, client DockerClient, credentialsManager credentials.Manager) *DockerTaskEngine {
dockerTaskEngine := &DockerTaskEngine{
cfg: cfg,
client: client,
saver: statemanager.NewNoopStateManager(),
state: dockerstate.NewDockerTaskEngineState(),
managedTasks: make(map[string]*managedTask),
taskStopGroup: utilsync.NewSequentialWaitGroup(),
containerEvents: make(chan api.ContainerStateChange),
taskEvents: make(chan api.TaskStateChange),
credentialsManager: credentialsManager,
}
return dockerTaskEngine
}
func performMockRequest(t *testing.T, path string) *httptest.ResponseRecorder {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStateResolver := mock_handlers.NewMockDockerStateResolver(ctrl)
state := dockerstate.NewDockerTaskEngineState()
stateSetupHelper(state, testTasks)
mockStateResolver.EXPECT().State().Return(state)
requestHandler := setupServer(utils.Strptr(testContainerInstanceArn), mockStateResolver, &config.Config{Cluster: testClusterArn})
recorder := httptest.NewRecorder()
req, _ := http.NewRequest("GET", path, nil)
requestHandler.Handler.ServeHTTP(recorder, req)
return recorder
}
func TestBackendMismatchMapping(t *testing.T) {
// Test that a KnownStatus past a DesiredStatus suppresses the DesiredStatus output
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStateResolver := mock_handlers.NewMockDockerStateResolver(ctrl)
containers := []*api.Container{
&api.Container{
Name: "c1",
},
}
testTask := &api.Task{
Arn: "task1",
DesiredStatus: api.TaskRunning,
KnownStatus: api.TaskStopped,
Family: "test",
Version: "1",
Containers: containers,
}
state := dockerstate.NewDockerTaskEngineState()
stateSetupHelper(state, []*api.Task{testTask})
mockStateResolver.EXPECT().State().Return(state)
requestHandler := tasksV1RequestHandlerMaker(mockStateResolver)
recorder := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/v1/tasks", nil)
requestHandler(recorder, req)
var tasksResponse TasksResponse
err := json.Unmarshal(recorder.Body.Bytes(), &tasksResponse)
if err != nil {
t.Fatal(err)
}
if tasksResponse.Tasks[0].DesiredStatus != "" {
t.Error("Expected '', was ", tasksResponse.Tasks[0].DesiredStatus)
}
if tasksResponse.Tasks[0].KnownStatus != "STOPPED" {
t.Error("Expected STOPPED, was ", tasksResponse.Tasks[0].KnownStatus)
}
}
func TestAddContainerReferenceToImageStateWithNoImageName(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
sourceImage := &image.Image{
ImageID: "sha256:qwerty",
}
sourceImageState := &image.ImageState{
Image: sourceImage,
PulledAt: time.Now(),
}
imageManager.addImageState(sourceImageState)
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
imageState, ok := imageManager.getImageState(imageInspected.ID)
if !ok {
t.Error("Error in retrieving existing Image State for the Container")
}
for _, imageName := range imageState.Image.Names {
if imageName != container.Image {
t.Error("Error while adding image name to image state")
}
}
}
func TestRemoveContainerReferenceFromInvalidImageState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := NewImageManager(defaultTestConfig(), client, dockerstate.NewDockerTaskEngineState())
container := &api.Container{
Image: "myContainerImage",
}
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.RemoveContainerReferenceFromImageState(container)
if err == nil {
t.Error("Expected error while adding container to an invalid image state")
}
}
func TestGetCandidateImagesForDeletionImageNoImageState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{
client: client,
state: dockerstate.NewDockerTaskEngineState(),
minimumAgeBeforeDeletion: config.DefaultImageDeletionAge,
numImagesToDelete: config.DefaultNumImagesToDeletePerCycle,
imageCleanupTimeInterval: config.DefaultImageCleanupTimeInterval,
}
imageStates := imageManager.getCandidateImagesForDeletion()
if imageStates != nil {
t.Error("Expected no image state to be returned for deletion")
}
}
func TestGetImageStateFromImageNameNoImageState(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := &dockerImageManager{client: client, state: dockerstate.NewDockerTaskEngineState()}
imageManager.SetSaver(statemanager.NewNoopStateManager())
container := &api.Container{
Name: "testContainer",
Image: "testContainerImage",
}
imageInspected := &docker.Image{
ID: "sha256:qwerty",
}
client.EXPECT().InspectImage(container.Image).Return(imageInspected, nil).AnyTimes()
err := imageManager.AddContainerReferenceToImageState(container)
if err != nil {
t.Error("Error in adding container to an existing image state")
}
imageState := imageManager.GetImageStateFromImageName("noSuchImage")
if imageState != nil {
t.Error("Incorrect image state retrieved by image name")
}
}
func TestGetLeastRecentlyUsedImages(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
client := NewMockDockerClient(ctrl)
imageManager := NewImageManager(defaultTestConfig(), client, dockerstate.NewDockerTaskEngineState())
imageStateA := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -5, 0),
}
imageStateB := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -3, 0),
}
imageStateC := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -2, 0),
}
imageStateD := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -6, 0),
}
imageStateE := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -4, 0),
}
imageStateF := &image.ImageState{
LastUsedAt: time.Now().AddDate(0, -1, 0),
}
candidateImagesForDeletion := []*image.ImageState{
imageStateA, imageStateB, imageStateC, imageStateD, imageStateE, imageStateF,
}
expectedLeastRecentlyUsedImages := []*image.ImageState{
imageStateD, imageStateA, imageStateE, imageStateB, imageStateC,
}
leastRecentlyUsedImage := imageManager.(*dockerImageManager).getLeastRecentlyUsedImage(candidateImagesForDeletion)
if !reflect.DeepEqual(leastRecentlyUsedImage, expectedLeastRecentlyUsedImages[0]) {
t.Error("Incorrect order of least recently used images")
}
}