Golang Client.RemoveContainer方法代码示例

// removeContainers removes all containers parallelly.
// It retuns error channel and if something wrong, error is sent there.
func removeContainers(client dockerclient.Client, containers []dockerclient.Container, force, delVolume bool) (chan dockerclient.Container, chan error) {

	var wg sync.WaitGroup
	resultCh, errCh := make(chan dockerclient.Container), make(chan error)
	for _, container := range containers {
		wg.Add(1)
		go func(c dockerclient.Container) {
			defer wg.Done()
			if err := client.RemoveContainer(c.Id, force, delVolume); err != nil {
				errCh <- fmt.Errorf(
					"failed to remove %s (%s): %s", c.Names[0], c.Id, err)
				return
			}
			resultCh <- c
		}(container)
	}

	go func() {
		// Wait until all remove task and close error channnel then
		wg.Wait()
		close(resultCh)
		close(errCh)
	}()

	return resultCh, errCh
}

func run(client dockerclient.Client, args []string, input string) (int, error) {

	image := "drone/drone-exec:latest"
	entrypoint := []string{"/bin/drone-exec"}
	args = append(args, "--", input)

	conf := &dockerclient.ContainerConfig{
		Image:      image,
		Entrypoint: entrypoint,
		Cmd:        args,
		HostConfig: dockerclient.HostConfig{
			Binds: []string{"/var/run/docker.sock:/var/run/docker.sock"},
		},
		Volumes: map[string]struct{}{
			"/var/run/docker.sock": struct{}{},
		},
	}

	info, err := docker.Run(client, conf, false)
	if err != nil {
		return 0, err
	}

	client.StopContainer(info.Id, 15)
	client.RemoveContainer(info.Id, true, true)
	return info.State.ExitCode, err
}

func (e *engine) runJobNotify(r *Task, client dockerclient.Client) error {

	name := fmt.Sprintf("drone_build_%d_notify", r.Build.ID)

	defer func() {
		client.KillContainer(name, "9")
		client.RemoveContainer(name, true, true)
	}()

	// encode the build payload to write to stdin
	// when launching the build container
	in, err := encodeToLegacyFormat(r)
	if err != nil {
		log.Errorf("failure to marshal work. %s", err)
		return err
	}

	args := DefaultNotifyArgs
	args = append(args, "--")
	args = append(args, string(in))

	conf := &dockerclient.ContainerConfig{
		Image:      DefaultAgent,
		Entrypoint: DefaultEntrypoint,
		Cmd:        args,
		Env:        e.envs,
		HostConfig: dockerclient.HostConfig{
			Binds:            []string{"/var/run/docker.sock:/var/run/docker.sock"},
			MemorySwappiness: -1,
		},
		Volumes: map[string]struct{}{
			"/var/run/docker.sock": struct{}{},
		},
	}

	log.Infof("preparing container %s", name)
	info, err := docker.Run(client, conf, name)
	if err != nil {
		log.Errorf("Error starting notification container %s. %s", name, err)
	}

	// for debugging purposes we print a failed notification executions
	// output to the logs. Otherwise we have no way to troubleshoot failed
	// notifications. This is temporary code until I've come up with
	// a better solution.
	if info != nil && info.State.ExitCode != 0 && log.GetLevel() >= log.InfoLevel {
		var buf bytes.Buffer
		rc, err := client.ContainerLogs(name, docker.LogOpts)
		if err == nil {
			defer rc.Close()
			stdcopy.StdCopy(&buf, &buf, io.LimitReader(rc, 50000))
		}
		log.Infof("Notification container %s exited with %d", name, info.State.ExitCode)
		log.Infoln(buf.String())
	}

	return err
}

func Start(client dockerclient.Client, conf *dockerclient.ContainerConfig, auth *dockerclient.AuthConfig, pull bool) (*dockerclient.ContainerInfo, error) {

	// force-pull the image if specified.
	if pull {
		log.Printf("Pulling image %s", conf.Image)
		client.PullImage(conf.Image, auth)
	}

	// attempts to create the contianer
	id, err := client.CreateContainer(conf, "", auth)
	if err != nil {
		log.Printf("Pulling image %s", conf.Image)

		// and pull the image and re-create if that fails
		err = client.PullImage(conf.Image, auth)
		if err != nil {
			log.Errorf("Error pulling %s. %s\n", conf.Image, err)
			return nil, err
		}
		id, err = client.CreateContainer(conf, "", auth)
		if err != nil {
			log.Errorf("Error creating %s. %s\n", conf.Image, err)
			client.RemoveContainer(id, true, true)
			return nil, err
		}
	}

	// fetches the container information
	info, err := client.InspectContainer(id)
	if err != nil {
		log.Errorf("Error inspecting %s. %s\n", conf.Image, err)
		client.RemoveContainer(id, true, true)
		return nil, err
	}

	// starts the container
	err = client.StartContainer(id, &conf.HostConfig)
	if err != nil {
		log.Errorf("Error starting %s. %s\n", conf.Image, err)
	}
	return info, err
}

// RunDaemon creates the docker container, pulling images if necessary, starts
// the container and returns the container information. It does not wait for
// the container to exit.
func RunDaemon(client dockerclient.Client, conf *dockerclient.ContainerConfig, name string) (*dockerclient.ContainerInfo, error) {

	// attempts to create the contianer
	id, err := client.CreateContainer(conf, name)
	if err != nil {
		// and pull the image and re-create if that fails
		err = client.PullImage(conf.Image, nil)
		if err != nil {
			return nil, err
		}
		id, err = client.CreateContainer(conf, name)
		if err != nil {
			client.RemoveContainer(id, true, true)
			return nil, err
		}
	}

	// fetches the container information
	info, err := client.InspectContainer(id)
	if err != nil {
		client.RemoveContainer(id, true, true)
		return nil, err
	}

	// starts the container
	err = client.StartContainer(id, &conf.HostConfig)
	if err != nil {
		client.RemoveContainer(id, true, true)
		return nil, err
	}

	return info, err
}

func (e *engine) runJob(c context.Context, r *Task, updater *updater, client dockerclient.Client) error {

	name := fmt.Sprintf("drone_build_%d_job_%d", r.Build.ID, r.Job.ID)

	defer func() {
		if r.Job.Status == model.StatusRunning {
			r.Job.Status = model.StatusError
			r.Job.Finished = time.Now().UTC().Unix()
			r.Job.ExitCode = 255
		}
		if r.Job.Status == model.StatusPending {
			r.Job.Status = model.StatusError
			r.Job.Started = time.Now().UTC().Unix()
			r.Job.Finished = time.Now().UTC().Unix()
			r.Job.ExitCode = 255
		}
		updater.SetJob(c, r)

		client.KillContainer(name, "9")
		client.RemoveContainer(name, true, true)
	}()

	// marks the task as running
	r.Job.Status = model.StatusRunning
	r.Job.Started = time.Now().UTC().Unix()

	// encode the build payload to write to stdin
	// when launching the build container
	in, err := encodeToLegacyFormat(r)
	if err != nil {
		log.Errorf("failure to marshal work. %s", err)
		return err
	}

	// CREATE AND START BUILD
	args := DefaultBuildArgs
	if r.Build.Event == model.EventPull {
		args = DefaultPullRequestArgs
	}
	args = append(args, "--")
	args = append(args, string(in))

	conf := &dockerclient.ContainerConfig{
		Image:      DefaultAgent,
		Entrypoint: DefaultEntrypoint,
		Cmd:        args,
		Env:        e.envs,
		HostConfig: dockerclient.HostConfig{
			Binds: []string{"/var/run/docker.sock:/var/run/docker.sock"},
		},
		Volumes: map[string]struct{}{
			"/var/run/docker.sock": struct{}{},
		},
	}

	log.Infof("preparing container %s", name)
	client.PullImage(conf.Image, nil)

	_, err = docker.RunDaemon(client, conf, name)
	if err != nil {
		log.Errorf("error starting build container. %s", err)
		return err
	}

	// UPDATE STATUS

	err = updater.SetJob(c, r)
	if err != nil {
		log.Errorf("error updating job status as running. %s", err)
		return err
	}

	// WAIT FOR OUTPUT
	info, builderr := docker.Wait(client, name)

	switch {
	case info.State.ExitCode == 128:
		r.Job.ExitCode = info.State.ExitCode
		r.Job.Status = model.StatusKilled
	case info.State.ExitCode == 130:
		r.Job.ExitCode = info.State.ExitCode
		r.Job.Status = model.StatusKilled
	case builderr != nil:
		r.Job.Status = model.StatusError
	case info.State.ExitCode != 0:
		r.Job.ExitCode = info.State.ExitCode
		r.Job.Status = model.StatusFailure
	default:
		r.Job.Status = model.StatusSuccess
	}

	// send the logs to the datastore
	var buf bytes.Buffer
	rc, err := client.ContainerLogs(name, docker.LogOpts)
	if err != nil && builderr != nil {
		buf.WriteString("Error launching build")
		buf.WriteString(builderr.Error())
	} else if err != nil {
		buf.WriteString("Error launching build")
		buf.WriteString(err.Error())
//.........这里部分代码省略.........