Golang archive.DecompressStream函数代码示例

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本文整理汇总了Golang中github.com/dotcloud/docker/archive.DecompressStream函数的典型用法代码示例。如果您正苦于以下问题：Golang DecompressStream函数的具体用法？Golang DecompressStream怎么用？Golang DecompressStream使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了DecompressStream函数的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Build

func (b *buildFile) Build(context io.Reader) (string, error) {
	tmpdirPath, err := ioutil.TempDir("", "docker-build")
	if err != nil {
		return "", err
	}

	decompressedStream, err := archive.DecompressStream(context)
	if err != nil {
		return "", err
	}

	b.context = &utils.TarSum{Reader: decompressedStream, DisableCompression: true}
	if err := archive.Untar(b.context, tmpdirPath, nil); err != nil {
		return "", err
	}
	defer os.RemoveAll(tmpdirPath)

	b.contextPath = tmpdirPath
	filename := path.Join(tmpdirPath, "Dockerfile")
	if _, err := os.Stat(filename); os.IsNotExist(err) {
		return "", fmt.Errorf("Can't build a directory with no Dockerfile")
	}
	fileBytes, err := ioutil.ReadFile(filename)
	if err != nil {
		return "", err
	}
	if len(fileBytes) == 0 {
		return "", ErrDockerfileEmpty
	}
	var (
		dockerfile = lineContinuation.ReplaceAllString(stripComments(fileBytes), "")
		stepN      = 0
	)
	for _, line := range strings.Split(dockerfile, "\n") {
		line = strings.Trim(strings.Replace(line, "\t", " ", -1), " \t\r\n")
		if len(line) == 0 {
			continue
		}
		if err := b.BuildStep(fmt.Sprintf("%d", stepN), line); err != nil {
			if b.forceRm {
				b.clearTmp(b.tmpContainers)
			}
			return "", err
		} else if b.rm {
			b.clearTmp(b.tmpContainers)
		}
		stepN += 1
	}
	if b.image != "" {
		fmt.Fprintf(b.outStream, "Successfully built %s\n", utils.TruncateID(b.image))
		return b.image, nil
	}
	return "", fmt.Errorf("No image was generated. This may be because the Dockerfile does not, like, do anything.\n")
}

开发者ID:98pm，项目名称:docker，代码行数:54，代码来源:buildfile.go

示例2: Build

func (b *buildFile) Build(context io.Reader) (string, error) {
	tmpdirPath, err := ioutil.TempDir("", "docker-build")
	if err != nil {
		return "", err
	}

	decompressedStream, err := archive.DecompressStream(context)
	if err != nil {
		return "", err
	}

	b.context = &utils.TarSum{Reader: decompressedStream, DisableCompression: true}
	if err := archive.Untar(b.context, tmpdirPath, nil); err != nil {
		return "", err
	}
	defer os.RemoveAll(tmpdirPath)

	b.contextPath = tmpdirPath
	filename := path.Join(tmpdirPath, "Dockerfile")
	if _, err := os.Stat(filename); os.IsNotExist(err) {
		return "", fmt.Errorf("Can't build a directory with no Dockerfile")
	}
	fileBytes, err := ioutil.ReadFile(filename)
	if err != nil {
		return "", err
	}
	if len(fileBytes) == 0 {
		return "", ErrDockerfileEmpty
	}
	dockerfile := string(fileBytes)
	dockerfile = lineContinuation.ReplaceAllString(dockerfile, "")
	stepN := 0
	for _, line := range strings.Split(dockerfile, "\n") {
		line = strings.Trim(strings.Replace(line, "\t", " ", -1), " \t\r\n")
		// Skip comments and empty line
		if len(line) == 0 || line[0] == '#' {
			continue
		}
		tmp := strings.SplitN(line, " ", 2)
		if len(tmp) != 2 {
			return "", fmt.Errorf("Invalid Dockerfile format")
		}
		instruction := strings.ToLower(strings.Trim(tmp[0], " "))
		arguments := strings.Trim(tmp[1], " ")

		method, exists := reflect.TypeOf(b).MethodByName("Cmd" + strings.ToUpper(instruction[:1]) + strings.ToLower(instruction[1:]))
		if !exists {
			fmt.Fprintf(b.errStream, "# Skipping unknown instruction %s\n", strings.ToUpper(instruction))
			continue
		}

		stepN += 1
		fmt.Fprintf(b.outStream, "Step %d : %s %s\n", stepN, strings.ToUpper(instruction), arguments)

		ret := method.Func.Call([]reflect.Value{reflect.ValueOf(b), reflect.ValueOf(arguments)})[0].Interface()
		if ret != nil {
			return "", ret.(error)
		}

		fmt.Fprintf(b.outStream, " ---> %s\n", utils.TruncateID(b.image))
	}
	if b.image != "" {
		fmt.Fprintf(b.outStream, "Successfully built %s\n", utils.TruncateID(b.image))
		if b.rm {
			b.clearTmp(b.tmpContainers)
		}
		return b.image, nil
	}
	return "", fmt.Errorf("No image was generated. This may be because the Dockerfile does not, like, do anything.\n")
}

开发者ID:rjeczalik，项目名称:docker，代码行数:70，代码来源:buildfile.go

注：本文中的github.com/dotcloud/docker/archive.DecompressStream函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。