Golang Client.ContainerCreate方法代碼示例

func runTorContainer(cli *client.Client, ident, imageID, network string) (string, error) {
	config := &types.ContainerCreateConfig{
		Name: ident,
		Config: &containerTypes.Config{
			Image: imageID,
		},
	}

	resp, err := cli.ContainerCreate(config.Config, config.HostConfig, config.NetworkingConfig, config.Name)
	if err != nil {
		return "", err
	}
	// TODO: Remove container on failure.

	for _, warning := range resp.Warnings {
		log.Warn(warning)
	}

	if err := cli.ContainerStart(resp.ID); err != nil {
		return "", err
	}

	// Connect to the network.
	if err := cli.NetworkConnect(network, resp.ID, nil); err != nil {
		return "", err
	}

	return resp.ID, err
}

// runs a command in a container , with volume mounted
// returns completion code.
// exits (t.Fatal() or create/start/wait errors
func runContainerCmd(t *testing.T, client *client.Client, volumeName string,
	image string, cmd *strslice.StrSlice, addr string) int {

	mountPoint := getMountpoint(volumeName)
	bind := volumeName + ":" + mountPoint
	t.Logf("Running cmd=%v with vol=%s on client %s", cmd, volumeName, addr)

	r, err := client.ContainerCreate(context.Background(),
		&container.Config{Image: image, Cmd: *cmd,
			Volumes: map[string]struct{}{mountPoint: {}}},
		&container.HostConfig{Binds: []string{bind}}, nil, "")
	if err != nil {
		t.Fatalf("\tContainer create failed: %v", err)
	}

	err = client.ContainerStart(context.Background(), r.ID,
		types.ContainerStartOptions{})
	if err != nil {
		t.Fatalf("\tContainer start failed: id=%s, err %v", r.ID, err)
	}

	code, err := client.ContainerWait(context.Background(), r.ID)
	if err != nil {
		t.Fatalf("\tContainer wait failed: id=%s, err %v", r.ID, err)
	}

	if removeContainers == false {
		t.Logf("\tSkipping container removal, id=%s (removeContainers == false)",
			r.ID)
		return code
	}

	err = client.ContainerRemove(context.Background(), r.ID,
		types.ContainerRemoveOptions{
			RemoveVolumes: true,
			Force:         true,
		})
	if err != nil {
		t.Fatalf("\nContainer removal failed: %v", err)
	}

	return code
}

func newContainer(ctx context.Context, client *client.Client, profile *Profile, name, executable string, args, env map[string]string) (pr *process, err error) {
	defer apexctx.GetLogger(ctx).Trace("spawning container").Stop(&err)

	var image string
	if registry := profile.Registry; registry != "" {
		image = registry + "/" + name
	} else {
		image = name
	}

	var Env = make([]string, 0, len(env))
	for k, v := range env {
		Env = append(Env, k+"="+v)
	}

	var binds = make([]string, 1, len(profile.Binds)+1)
	binds[0] = filepath.Dir(args["--endpoint"]) + ":" + profile.RuntimePath
	binds = append(binds, profile.Binds...)

	// update args["--endpoint"] according to the container's point of view
	args["--endpoint"] = filepath.Join(profile.RuntimePath, filepath.Base(args["--endpoint"]))

	var Cmd = make(strslice.StrSlice, 1, len(args)+1)
	Cmd[0] = executable
	for k, v := range args {
		Cmd = append(Cmd, k, v)
	}

	config := container.Config{
		AttachStdin:  false,
		AttachStdout: true,
		AttachStderr: true,

		Env:        Env,
		Cmd:        Cmd,
		Image:      image,
		WorkingDir: profile.Cwd,
		Labels:     map[string]string{isolateDockerLabel: name},
	}

	apexctx.GetLogger(ctx).Info("applying Resource limits")
	var resources = container.Resources{
		Memory:     profile.Resources.Memory,
		CPUShares:  profile.Resources.CPUShares,
		CPUPeriod:  profile.Resources.CPUPeriod,
		CPUQuota:   profile.Resources.CPUQuota,
		CpusetCpus: profile.Resources.CpusetCpus,
		CpusetMems: profile.Resources.CpusetMems,
	}

	hostConfig := container.HostConfig{
		NetworkMode: profile.NetworkMode,
		Binds:       binds,
		Resources:   resources,
	}

	if len(profile.Tmpfs) != 0 {
		buff := new(bytes.Buffer)
		for k, v := range profile.Tmpfs {
			fmt.Fprintf(buff, "%s: %s;", k, v)
		}
		apexctx.GetLogger(ctx).Infof("mounting `tmpfs` to container: %s", buff.String())

		hostConfig.Tmpfs = profile.Tmpfs
	}

	// NOTE: It should be nil
	var networkingConfig *network.NetworkingConfig

	resp, err := client.ContainerCreate(ctx, &config, &hostConfig, networkingConfig, "")
	if err != nil {
		apexctx.GetLogger(ctx).WithError(err).Error("unable to create a container")
		return nil, err
	}

	for _, warn := range resp.Warnings {
		apexctx.GetLogger(ctx).Warnf("%s warning: %s", resp.ID, warn)
	}

	ctx, cancel := context.WithCancel(ctx)
	pr = &process{
		ctx:          ctx,
		cancellation: cancel,
		client:       client,
		containerID:  resp.ID,
	}

	return pr, nil
}