Golang DockerCli.OutFd方法代码示例

func pullImage(ctx context.Context, dockerCli *client.DockerCli, image string, out io.Writer) error {
	ref, err := reference.ParseNamed(image)
	if err != nil {
		return err
	}

	// Resolve the Repository name from fqn to RepositoryInfo
	repoInfo, err := registry.ParseRepositoryInfo(ref)
	if err != nil {
		return err
	}

	authConfig := dockerCli.ResolveAuthConfig(ctx, repoInfo.Index)
	encodedAuth, err := client.EncodeAuthToBase64(authConfig)
	if err != nil {
		return err
	}

	options := types.ImageCreateOptions{
		RegistryAuth: encodedAuth,
	}

	responseBody, err := dockerCli.Client().ImageCreate(ctx, image, options)
	if err != nil {
		return err
	}
	defer responseBody.Close()

	return jsonmessage.DisplayJSONMessagesStream(
		responseBody,
		out,
		dockerCli.OutFd(),
		dockerCli.IsTerminalOut(),
		nil)
}

func runPush(dockerCli *client.DockerCli, remote string) error {
	ref, err := reference.ParseNamed(remote)
	if err != nil {
		return err
	}

	// Resolve the Repository name from fqn to RepositoryInfo
	repoInfo, err := registry.ParseRepositoryInfo(ref)
	if err != nil {
		return err
	}

	ctx := context.Background()

	// Resolve the Auth config relevant for this server
	authConfig := dockerCli.ResolveAuthConfig(ctx, repoInfo.Index)
	requestPrivilege := dockerCli.RegistryAuthenticationPrivilegedFunc(repoInfo.Index, "push")

	if client.IsTrusted() {
		return dockerCli.TrustedPush(ctx, repoInfo, ref, authConfig, requestPrivilege)
	}

	responseBody, err := dockerCli.ImagePushPrivileged(ctx, authConfig, ref.String(), requestPrivilege)
	if err != nil {
		return err
	}

	defer responseBody.Close()

	return jsonmessage.DisplayJSONMessagesStream(responseBody, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
}

func runLoad(dockerCli *client.DockerCli, opts loadOptions) error {

	var input io.Reader = dockerCli.In()
	if opts.input != "" {
		file, err := os.Open(opts.input)
		if err != nil {
			return err
		}
		defer file.Close()
		input = file
	}
	if !dockerCli.IsTerminalOut() {
		opts.quiet = true
	}
	response, err := dockerCli.Client().ImageLoad(context.Background(), input, opts.quiet)
	if err != nil {
		return err
	}
	defer response.Body.Close()

	if response.Body != nil && response.JSON {
		return jsonmessage.DisplayJSONMessagesStream(response.Body, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
	}

	_, err = io.Copy(dockerCli.Out(), response.Body)
	return err
}

func runImport(dockerCli *client.DockerCli, opts importOptions) error {
	var (
		in      io.Reader
		srcName = opts.source
	)

	if opts.source == "-" {
		in = dockerCli.In()
	} else if !urlutil.IsURL(opts.source) {
		srcName = "-"
		file, err := os.Open(opts.source)
		if err != nil {
			return err
		}
		defer file.Close()
		in = file
	}

	source := types.ImageImportSource{
		Source:     in,
		SourceName: srcName,
	}

	options := types.ImageImportOptions{
		Message: opts.message,
		Changes: opts.changes,
	}

	clnt := dockerCli.Client()

	responseBody, err := clnt.ImageImport(context.Background(), source, opts.reference, options)
	if err != nil {
		return err
	}
	defer responseBody.Close()

	return jsonmessage.DisplayJSONMessagesStream(responseBody, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
}

//.........这里部分代码省略.........
	var body io.Reader = progress.NewProgressReader(buildCtx, progressOutput, 0, "", "Sending build context to Docker daemon")

	var memory int64
	if options.memory != "" {
		parsedMemory, err := units.RAMInBytes(options.memory)
		if err != nil {
			return err
		}
		memory = parsedMemory
	}

	var memorySwap int64
	if options.memorySwap != "" {
		if options.memorySwap == "-1" {
			memorySwap = -1
		} else {
			parsedMemorySwap, err := units.RAMInBytes(options.memorySwap)
			if err != nil {
				return err
			}
			memorySwap = parsedMemorySwap
		}
	}

	var shmSize int64
	if options.shmSize != "" {
		shmSize, err = units.RAMInBytes(options.shmSize)
		if err != nil {
			return err
		}
	}

	buildOptions := types.ImageBuildOptions{
		Memory:         memory,
		MemorySwap:     memorySwap,
		Tags:           options.tags.GetAll(),
		SuppressOutput: options.quiet,
		NoCache:        options.noCache,
		Remove:         options.rm,
		ForceRemove:    options.forceRm,
		PullParent:     options.pull,
		Isolation:      container.Isolation(options.isolation),
		CPUSetCPUs:     options.cpuSetCpus,
		CPUSetMems:     options.cpuSetMems,
		CPUShares:      options.cpuShares,
		CPUQuota:       options.cpuQuota,
		CPUPeriod:      options.cpuPeriod,
		CgroupParent:   options.cgroupParent,
		Dockerfile:     relDockerfile,
		ShmSize:        shmSize,
		Ulimits:        options.ulimits.GetList(),
		BuildArgs:      runconfigopts.ConvertKVStringsToMap(options.buildArgs.GetAll()),
		AuthConfigs:    dockerCli.RetrieveAuthConfigs(),
		Labels:         runconfigopts.ConvertKVStringsToMap(options.labels),
	}

	response, err := dockerCli.Client().ImageBuild(ctx, body, buildOptions)
	if err != nil {
		return err
	}
	defer response.Body.Close()

	err = jsonmessage.DisplayJSONMessagesStream(response.Body, buildBuff, dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
	if err != nil {
		if jerr, ok := err.(*jsonmessage.JSONError); ok {
			// If no error code is set, default to 1
			if jerr.Code == 0 {
				jerr.Code = 1
			}
			if options.quiet {
				fmt.Fprintf(dockerCli.Err(), "%s%s", progBuff, buildBuff)
			}
			return cli.StatusError{Status: jerr.Message, StatusCode: jerr.Code}
		}
	}

	// Windows: show error message about modified file permissions if the
	// daemon isn't running Windows.
	if response.OSType != "windows" && runtime.GOOS == "windows" && !options.quiet {
		fmt.Fprintln(dockerCli.Err(), `SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.`)
	}

	// Everything worked so if -q was provided the output from the daemon
	// should be just the image ID and we'll print that to stdout.
	if options.quiet {
		fmt.Fprintf(dockerCli.Out(), "%s", buildBuff)
	}

	if client.IsTrusted() {
		// Since the build was successful, now we must tag any of the resolved
		// images from the above Dockerfile rewrite.
		for _, resolved := range resolvedTags {
			if err := dockerCli.TagTrusted(ctx, resolved.digestRef, resolved.tagRef); err != nil {
				return err
			}
		}
	}

	return nil
}