Golang DockerCli.Client方法代码示例

func runRemove(dockerCli *command.DockerCli, opts removeOptions, images []string) error {
	client := dockerCli.Client()
	ctx := context.Background()

	options := types.ImageRemoveOptions{
		Force:         opts.force,
		PruneChildren: !opts.noPrune,
	}

	var errs []string
	for _, image := range images {
		dels, err := client.ImageRemove(ctx, image, options)
		if err != nil {
			errs = append(errs, err.Error())
		} else {
			for _, del := range dels {
				if del.Deleted != "" {
					fmt.Fprintf(dockerCli.Out(), "Deleted: %s\n", del.Deleted)
				} else {
					fmt.Fprintf(dockerCli.Out(), "Untagged: %s\n", del.Untagged)
				}
			}
		}
	}

	if len(errs) > 0 {
		return fmt.Errorf("%s", strings.Join(errs, "\n"))
	}
	return nil
}

func runPS(dockerCli *command.DockerCli, opts psOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	service, _, err := client.ServiceInspectWithRaw(ctx, opts.serviceID)
	if err != nil {
		return err
	}

	filter := opts.filter.Value()
	filter.Add("service", service.ID)
	if filter.Include("node") {
		nodeFilters := filter.Get("node")
		for _, nodeFilter := range nodeFilters {
			nodeReference, err := node.Reference(ctx, client, nodeFilter)
			if err != nil {
				return err
			}
			filter.Del("node", nodeFilter)
			filter.Add("node", nodeReference)
		}
	}

	tasks, err := client.TaskList(ctx, types.TaskListOptions{Filter: filter})
	if err != nil {
		return err
	}

	return task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve), opts.noTrunc)
}

func runDisable(dockerCli *command.DockerCli, name string, force bool) error {
	if err := dockerCli.Client().PluginDisable(context.Background(), name, types.PluginDisableOptions{Force: force}); err != nil {
		return err
	}
	fmt.Fprintln(dockerCli.Out(), name)
	return nil
}

func runDiff(dockerCli *command.DockerCli, opts *diffOptions) error {
	if opts.container == "" {
		return errors.New("Container name cannot be empty")
	}
	ctx := context.Background()

	changes, err := dockerCli.Client().ContainerDiff(ctx, opts.container)
	if err != nil {
		return err
	}

	for _, change := range changes {
		var kind string
		switch change.Kind {
		case archive.ChangeModify:
			kind = "C"
		case archive.ChangeAdd:
			kind = "A"
		case archive.ChangeDelete:
			kind = "D"
		}
		fmt.Fprintln(dockerCli.Out(), kind, change.Path)
	}

	return nil
}

func runPrune(dockerCli *command.DockerCli, opts pruneOptions) (spaceReclaimed uint64, output string, err error) {
	pruneFilters := opts.filter.Value()
	pruneFilters.Add("dangling", fmt.Sprintf("%v", !opts.all))

	warning := danglingWarning
	if opts.all {
		warning = allImageWarning
	}
	if !opts.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
		return
	}

	report, err := dockerCli.Client().ImagesPrune(context.Background(), pruneFilters)
	if err != nil {
		return
	}

	if len(report.ImagesDeleted) > 0 {
		output = "Deleted Images:\n"
		for _, st := range report.ImagesDeleted {
			if st.Untagged != "" {
				output += fmt.Sprintln("untagged:", st.Untagged)
			} else {
				output += fmt.Sprintln("deleted:", st.Deleted)
			}
		}
		spaceReclaimed = report.SpaceReclaimed
	}

	return
}

func runSecretList(dockerCli *command.DockerCli, opts listOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	secrets, err := client.SecretList(ctx, types.SecretListOptions{})
	if err != nil {
		return err
	}

	w := tabwriter.NewWriter(dockerCli.Out(), 20, 1, 3, ' ', 0)
	if opts.quiet {
		for _, s := range secrets {
			fmt.Fprintf(w, "%s\n", s.ID)
		}
	} else {
		fmt.Fprintf(w, "ID\tNAME\tCREATED\tUPDATED\tSIZE")
		fmt.Fprintf(w, "\n")

		for _, s := range secrets {
			created := units.HumanDuration(time.Now().UTC().Sub(s.Meta.CreatedAt)) + " ago"
			updated := units.HumanDuration(time.Now().UTC().Sub(s.Meta.UpdatedAt)) + " ago"
			size := units.HumanSizeWithPrecision(float64(s.SecretSize), 3)

			fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", s.ID, s.Spec.Annotations.Name, created, updated, size)
		}
	}

	w.Flush()

	return nil
}

func runServiceScale(dockerCli *command.DockerCli, serviceID string, scale string) error {
	client := dockerCli.Client()
	ctx := context.Background()

	service, _, err := client.ServiceInspectWithRaw(ctx, serviceID)

	if err != nil {
		return err
	}

	serviceMode := &service.Spec.Mode
	if serviceMode.Replicated == nil {
		return fmt.Errorf("scale can only be used with replicated mode")
	}
	uintScale, err := strconv.ParseUint(scale, 10, 64)
	if err != nil {
		return fmt.Errorf("invalid replicas value %s: %s", scale, err.Error())
	}
	serviceMode.Replicated.Replicas = &uintScale

	err = client.ServiceUpdate(ctx, service.ID, service.Version, service.Spec, types.ServiceUpdateOptions{})
	if err != nil {
		return err
	}

	fmt.Fprintf(dockerCli.Out(), "%s scaled to %s\n", serviceID, scale)
	return nil
}

func runPs(dockerCli *command.DockerCli, opts *psOptions) error {
	ctx := context.Background()

	listOptions, err := buildContainerListOptions(opts)
	if err != nil {
		return err
	}

	containers, err := dockerCli.Client().ContainerList(ctx, *listOptions)
	if err != nil {
		return err
	}

	format := opts.format
	if len(format) == 0 {
		if len(dockerCli.ConfigFile().PsFormat) > 0 && !opts.quiet {
			format = dockerCli.ConfigFile().PsFormat
		} else {
			format = formatter.TableFormatKey
		}
	}

	containerCtx := formatter.Context{
		Output: dockerCli.Out(),
		Format: formatter.NewContainerFormat(format, opts.quiet, listOptions.Size),
		Trunc:  !opts.noTrunc,
	}
	return formatter.ContainerWrite(containerCtx, containers)
}

func runUpdate(dockerCli *command.DockerCli, flags *pflag.FlagSet, opts swarmOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	var updateFlags swarm.UpdateFlags

	swarm, err := client.SwarmInspect(ctx)
	if err != nil {
		return err
	}

	prevAutoLock := swarm.Spec.EncryptionConfig.AutoLockManagers

	opts.mergeSwarmSpec(&swarm.Spec, flags)

	curAutoLock := swarm.Spec.EncryptionConfig.AutoLockManagers

	err = client.SwarmUpdate(ctx, swarm.Version, swarm.Spec, updateFlags)
	if err != nil {
		return err
	}

	fmt.Fprintln(dockerCli.Out(), "Swarm updated.")

	if curAutoLock && !prevAutoLock {
		unlockKeyResp, err := client.SwarmGetUnlockKey(ctx)
		if err != nil {
			return errors.Wrap(err, "could not fetch unlock key")
		}
		printUnlockCommand(ctx, dockerCli, unlockKeyResp.UnlockKey)
	}

	return nil
}

// ForwardAllSignals forwards signals to the container
func ForwardAllSignals(ctx context.Context, cli *command.DockerCli, cid string) chan os.Signal {
	sigc := make(chan os.Signal, 128)
	signal.CatchAll(sigc)
	go func() {
		for s := range sigc {
			if s == signal.SIGCHLD || s == signal.SIGPIPE {
				continue
			}
			var sig string
			for sigStr, sigN := range signal.SignalMap {
				if sigN == s {
					sig = sigStr
					break
				}
			}
			if sig == "" {
				fmt.Fprintf(cli.Err(), "Unsupported signal: %v. Discarding.\n", s)
				continue
			}

			if err := cli.Client().ContainerKill(ctx, cid, sig); err != nil {
				logrus.Debugf("Error sending signal: %s", err)
			}
		}
	}()
	return sigc
}

func runRm(dockerCli *command.DockerCli, opts *rmOptions) error {
	ctx := context.Background()

	var errs []string
	options := types.ContainerRemoveOptions{
		RemoveVolumes: opts.rmVolumes,
		RemoveLinks:   opts.rmLink,
		Force:         opts.force,
	}

	errChan := parallelOperation(ctx, opts.containers, func(ctx context.Context, container string) error {
		if container == "" {
			return fmt.Errorf("Container name cannot be empty")
		}
		container = strings.Trim(container, "/")
		return dockerCli.Client().ContainerRemove(ctx, container, options)
	})

	for _, name := range opts.containers {
		if err := <-errChan; err != nil {
			errs = append(errs, err.Error())
		} else {
			fmt.Fprintf(dockerCli.Out(), "%s\n", name)
		}
	}
	if len(errs) > 0 {
		return fmt.Errorf("%s", strings.Join(errs, "\n"))
	}
	return nil
}

// MonitorTtySize updates the container tty size when the terminal tty changes size
func MonitorTtySize(ctx context.Context, cli *command.DockerCli, id string, isExec bool) error {
	resizeTty := func() {
		height, width := cli.Out().GetTtySize()
		resizeTtyTo(ctx, cli.Client(), id, height, width, isExec)
	}

	resizeTty()

	if runtime.GOOS == "windows" {
		go func() {
			prevH, prevW := cli.Out().GetTtySize()
			for {
				time.Sleep(time.Millisecond * 250)
				h, w := cli.Out().GetTtySize()

				if prevW != w || prevH != h {
					resizeTty()
				}
				prevH = h
				prevW = w
			}
		}()
	} else {
		sigchan := make(chan os.Signal, 1)
		gosignal.Notify(sigchan, signal.SIGWINCH)
		go func() {
			for range sigchan {
				resizeTty()
			}
		}()
	}
	return nil
}

func runSecretCreate(dockerCli *command.DockerCli, options createOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	secretData, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		return fmt.Errorf("Error reading content from STDIN: %v", err)
	}

	spec := swarm.SecretSpec{
		Annotations: swarm.Annotations{
			Name:   options.name,
			Labels: runconfigopts.ConvertKVStringsToMap(options.labels.GetAll()),
		},
		Data: secretData,
	}

	r, err := client.SecretCreate(ctx, spec)
	if err != nil {
		return err
	}

	fmt.Fprintln(dockerCli.Out(), r.ID)
	return nil
}

func runSecretRemove(dockerCli *command.DockerCli, opts removeOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	ids, err := getCliRequestedSecretIDs(ctx, client, opts.names)
	if err != nil {
		return err
	}

	var errs []string

	for _, id := range ids {
		if err := client.SecretRemove(ctx, id); err != nil {
			errs = append(errs, err.Error())
			continue
		}

		fmt.Fprintln(dockerCli.Out(), id)
	}

	if len(errs) > 0 {
		return fmt.Errorf("%s", strings.Join(errs, "\n"))
	}

	return nil
}

func runSecretCreate(dockerCli *command.DockerCli, options createOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	var in io.Reader = dockerCli.In()
	if options.file != "-" {
		file, err := system.OpenSequential(options.file)
		if err != nil {
			return err
		}
		in = file
		defer file.Close()
	}

	secretData, err := ioutil.ReadAll(in)
	if err != nil {
		return fmt.Errorf("Error reading content from %q: %v", options.file, err)
	}

	spec := swarm.SecretSpec{
		Annotations: swarm.Annotations{
			Name:   options.name,
			Labels: runconfigopts.ConvertKVStringsToMap(options.labels.GetAll()),
		},
		Data: secretData,
	}

	r, err := client.SecretCreate(ctx, spec)
	if err != nil {
		return err
	}

	fmt.Fprintln(dockerCli.Out(), r.ID)
	return nil
}