Golang container.SetRemovalInProgress函数代码示例

func TestContainerDoubleDelete(t *testing.T) {
	tmp, err := ioutil.TempDir("", "docker-daemon-unix-test-")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(tmp)
	daemon := &Daemon{
		repository: tmp,
		root:       tmp,
	}
	daemon.containers = &contStore{s: make(map[string]*container.Container)}

	container := &container.Container{
		CommonContainer: container.CommonContainer{
			ID:     "test",
			State:  container.NewState(),
			Config: &runconfig.Config{},
		},
	}
	daemon.containers.Add(container.ID, container)

	// Mark the container as having a delete in progress
	if err := container.SetRemovalInProgress(); err != nil {
		t.Fatal(err)
	}

	// Try to remove the container when it's start is removalInProgress.
	// It should ignore the container and not return an error.
	if err := daemon.ContainerRm(container.ID, &ContainerRmConfig{ForceRemove: true}); err != nil {
		t.Fatal(err)
	}
}

// ContainerRm removes the container id from the filesystem. An error
// is returned if the container is not found, or if the remove
// fails. If the remove succeeds, the container name is released, and
// network links are removed.
func (daemon *Daemon) ContainerRm(name string, config *types.ContainerRmConfig) error {
	container, err := daemon.GetContainer(name)
	if err != nil {
		return err
	}

	// Container state RemovalInProgress should be used to avoid races.
	if inProgress := container.SetRemovalInProgress(); inProgress {
		return nil
	}
	defer container.ResetRemovalInProgress()

	// check if container wasn't deregistered by previous rm since Get
	if c := daemon.containers.Get(container.ID); c == nil {
		return nil
	}

	if config.RemoveLink {
		return daemon.rmLink(container, name)
	}

	err = daemon.cleanupContainer(container, config.ForceRemove)
	if err == nil || config.ForceRemove {
		if e := daemon.removeMountPoints(container, config.RemoveVolume); e != nil {
			logrus.Error(e)
		}
	}

	return err
}

func TestContainerDoubleDelete(t *testing.T) {
	tmp, err := ioutil.TempDir("", "docker-daemon-unix-test-")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(tmp)
	daemon := &Daemon{
		repository: tmp,
		root:       tmp,
	}
	daemon.containers = container.NewMemoryStore()

	container := &container.Container{
		CommonContainer: container.CommonContainer{
			ID:     "test",
			State:  container.NewState(),
			Config: &containertypes.Config{},
		},
	}
	daemon.containers.Add(container.ID, container)

	// Mark the container as having a delete in progress
	container.SetRemovalInProgress()

	// Try to remove the container when its state is removalInProgress.
	// It should return an error indicating it is under removal progress.
	if err := daemon.ContainerRm(container.ID, &types.ContainerRmConfig{ForceRemove: true}); err == nil {
		t.Fatalf("expected err: %v, got nil", fmt.Sprintf("removal of container %s is already in progress", container.ID))
	}
}

// ContainerRm removes the container id from the filesystem. An error
// is returned if the container is not found, or if the remove
// fails. If the remove succeeds, the container name is released, and
// network links are removed.
func (daemon *Daemon) ContainerRm(name string, config *types.ContainerRmConfig) error {
	start := time.Now()
	container, err := daemon.GetContainer(name)
	if err != nil {
		return err
	}

	// Container state RemovalInProgress should be used to avoid races.
	if inProgress := container.SetRemovalInProgress(); inProgress {
		err := fmt.Errorf("removal of container %s is already in progress", name)
		return errors.NewBadRequestError(err)
	}
	defer container.ResetRemovalInProgress()

	// check if container wasn't deregistered by previous rm since Get
	if c := daemon.containers.Get(container.ID); c == nil {
		return nil
	}

	if config.RemoveLink {
		return daemon.rmLink(container, name)
	}

	err = daemon.cleanupContainer(container, config.ForceRemove, config.RemoveVolume)
	containerActions.WithValues("delete").UpdateSince(start)

	return err
}

// ContainerRm removes the container id from the filesystem. An error
// is returned if the container is not found, or if the remove
// fails. If the remove succeeds, the container name is released, and
// network links are removed.
func (daemon *Daemon) ContainerRm(name string, config *types.ContainerRmConfig) error {
	container, err := daemon.GetContainer(name)
	if err != nil {
		return err
	}

	// Container state RemovalInProgress should be used to avoid races.
	if err = container.SetRemovalInProgress(); err != nil {
		if err == derr.ErrorCodeAlreadyRemoving {
			// do not fail when the removal is in progress started by other request.
			return nil
		}
		return derr.ErrorCodeRmState.WithArgs(container.ID, err)
	}
	defer container.ResetRemovalInProgress()

	// check if container wasn't deregistered by previous rm since Get
	if c := daemon.containers.Get(container.ID); c == nil {
		return nil
	}

	if config.RemoveLink {
		return daemon.rmLink(container, name)
	}

	err = daemon.cleanupContainer(container, config.ForceRemove)
	if err == nil || config.ForceRemove {
		if e := daemon.removeMountPoints(container, config.RemoveVolume); e != nil {
			logrus.Error(e)
		}
	}

	return err
}