Golang utils.IsURL函數代碼示例

func (b *buildFile) CmdAdd(args string) error {
	if b.context == "" {
		return fmt.Errorf("No context given. Impossible to use ADD")
	}
	tmp := strings.SplitN(args, " ", 2)
	if len(tmp) != 2 {
		return fmt.Errorf("Invalid ADD format")
	}

	orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
	if err != nil {
		return err
	}

	dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}

	b.config.Image = b.image
	// Create the container and start it
	container, err := b.runtime.Create(b.config)
	if err != nil {
		return err
	}
	b.tmpContainers[container.ID] = struct{}{}

	if err := container.EnsureMounted(); err != nil {
		return err
	}
	defer container.Unmount()

	if utils.IsURL(orig) {
		if err := b.addRemote(container, orig, dest); err != nil {
			return err
		}
	} else {
		if err := b.addContext(container, orig, dest); err != nil {
			return err
		}
	}

	if err := b.commit(container.ID, cmd, fmt.Sprintf("ADD %s in %s", orig, dest)); err != nil {
		return err
	}
	b.config.Cmd = cmd
	return nil
}

func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version < 1.3 {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	remoteURL := r.FormValue("remote")
	repoName := r.FormValue("t")
	rawSuppressOutput := r.FormValue("q")
	rawNoCache := r.FormValue("nocache")
	rawRm := r.FormValue("rm")
	repoName, tag := utils.ParseRepositoryTag(repoName)

	var context io.Reader

	if remoteURL == "" {
		context = r.Body
	} else if utils.IsGIT(remoteURL) {
		if !strings.HasPrefix(remoteURL, "git://") {
			remoteURL = "https://" + remoteURL
		}
		root, err := ioutil.TempDir("", "docker-build-git")
		if err != nil {
			return err
		}
		defer os.RemoveAll(root)

		if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
			return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
		}

		c, err := archive.Tar(root, archive.Bzip2)
		if err != nil {
			return err
		}
		context = c
	} else if utils.IsURL(remoteURL) {
		f, err := utils.Download(remoteURL, ioutil.Discard)
		if err != nil {
			return err
		}
		defer f.Body.Close()
		dockerFile, err := ioutil.ReadAll(f.Body)
		if err != nil {
			return err
		}
		c, err := MkBuildContext(string(dockerFile), nil)
		if err != nil {
			return err
		}
		context = c
	}

	suppressOutput, err := getBoolParam(rawSuppressOutput)
	if err != nil {
		return err
	}
	noCache, err := getBoolParam(rawNoCache)
	if err != nil {
		return err
	}
	rm, err := getBoolParam(rawRm)
	if err != nil {
		return err
	}

	b := NewBuildFile(srv, utils.NewWriteFlusher(w), !suppressOutput, !noCache, rm)
	id, err := b.Build(context)
	if err != nil {
		return fmt.Errorf("Error build: %s", err)
	}
	if repoName != "" {
		srv.runtime.repositories.Set(repoName, tag, id, false)
	}
	return nil
}

func (cli *DockerCli) CmdBuild(args ...string) error {
	cmd := Subcmd("build", "[OPTIONS] PATH | URL | -", "Build a new container image from the source code at PATH")
	tag := cmd.String("t", "", "Tag to be applied to the resulting image in case of success")
	suppressOutput := cmd.Bool("q", false, "Suppress verbose build output")

	if err := cmd.Parse(args); err != nil {
		return nil
	}
	if cmd.NArg() != 1 {
		cmd.Usage()
		return nil
	}

	var (
		context  Archive
		isRemote bool
		err      error
	)

	if cmd.Arg(0) == "-" {
		// As a special case, 'docker build -' will build from an empty context with the
		// contents of stdin as a Dockerfile
		dockerfile, err := ioutil.ReadAll(cli.in)
		if err != nil {
			return err
		}
		context, err = mkBuildContext(string(dockerfile), nil)
	} else if utils.IsURL(cmd.Arg(0)) || utils.IsGIT(cmd.Arg(0)) {
		isRemote = true
	} else {
		context, err = Tar(cmd.Arg(0), Uncompressed)
	}
	var body io.Reader
	// Setup an upload progress bar
	// FIXME: ProgressReader shouldn't be this annoyning to use
	if context != nil {
		sf := utils.NewStreamFormatter(false)
		body = utils.ProgressReader(ioutil.NopCloser(context), 0, cli.err, sf.FormatProgress("Uploading context", "%v bytes%0.0s%0.0s"), sf)
	}
	// Upload the build context
	v := &url.Values{}
	v.Set("t", *tag)

	if *suppressOutput {
		v.Set("q", "1")
	}
	if isRemote {
		v.Set("remote", cmd.Arg(0))
	}
	req, err := http.NewRequest("POST", fmt.Sprintf("/v%g/build?%s", APIVERSION, v.Encode()), body)
	if err != nil {
		return err
	}
	if context != nil {
		req.Header.Set("Content-Type", "application/tar")
	}
	dial, err := net.Dial(cli.proto, cli.addr)
	if err != nil {
		return err
	}
	clientconn := httputil.NewClientConn(dial, nil)
	resp, err := clientconn.Do(req)
	defer clientconn.Close()
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	// Check for errors
	if resp.StatusCode < 200 || resp.StatusCode >= 400 {
		body, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			return err
		}
		if len(body) == 0 {
			return fmt.Errorf("Error: %s", http.StatusText(resp.StatusCode))
		}
		return fmt.Errorf("Error: %s", body)
	}

	// Output the result
	if _, err := io.Copy(cli.out, resp.Body); err != nil {
		return err
	}

	return nil
}

func (b *buildFile) CmdAdd(args string) error {
	if b.context == nil {
		return fmt.Errorf("No context given. Impossible to use ADD")
	}
	tmp := strings.SplitN(args, " ", 2)
	if len(tmp) != 2 {
		return fmt.Errorf("Invalid ADD format")
	}

	orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
	if err != nil {
		return err
	}

	dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
	b.config.Image = b.image

	var (
		origPath   = orig
		destPath   = dest
		remoteHash string
		isRemote   bool
	)

	if utils.IsURL(orig) {
		// Initiate the download
		isRemote = true
		resp, err := utils.Download(orig)
		if err != nil {
			return err
		}

		// Create a tmp dir
		tmpDirName, err := ioutil.TempDir(b.contextPath, "docker-remote")
		if err != nil {
			return err
		}

		// Create a tmp file within our tmp dir
		tmpFileName := path.Join(tmpDirName, "tmp")
		tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
		if err != nil {
			return err
		}
		defer os.RemoveAll(tmpDirName)

		// Download and dump result to tmp file
		if _, err := io.Copy(tmpFile, resp.Body); err != nil {
			tmpFile.Close()
			return err
		}
		tmpFile.Close()

		origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))

		// Process the checksum
		r, err := archive.Tar(tmpFileName, archive.Uncompressed)
		if err != nil {
			return err
		}
		tarSum := utils.TarSum{Reader: r, DisableCompression: true}
		remoteHash = tarSum.Sum(nil)
		r.Close()

		// If the destination is a directory, figure out the filename.
		if strings.HasSuffix(dest, "/") {
			u, err := url.Parse(orig)
			if err != nil {
				return err
			}
			path := u.Path
			if strings.HasSuffix(path, "/") {
				path = path[:len(path)-1]
			}
			parts := strings.Split(path, "/")
			filename := parts[len(parts)-1]
			if filename == "" {
				return fmt.Errorf("cannot determine filename from url: %s", u)
			}
			destPath = dest + filename
		}
	}

	if err := b.checkPathForAddition(origPath); err != nil {
		return err
	}

	// Hash path and check the cache
	if b.utilizeCache {
		var (
			hash string
			sums = b.context.GetSums()
		)

//.........這裏部分代碼省略.........

func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version < 1.3 {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	remoteURL := r.FormValue("remote")
	repoName := r.FormValue("t")
	tag := ""
	if strings.Contains(repoName, ":") {
		remoteParts := strings.Split(repoName, ":")
		tag = remoteParts[1]
		repoName = remoteParts[0]
	}

	var context io.Reader

	if remoteURL == "" {
		context = r.Body
	} else if utils.IsGIT(remoteURL) {
		if !strings.HasPrefix(remoteURL, "git://") {
			remoteURL = "https://" + remoteURL
		}
		root, err := ioutil.TempDir("", "docker-build-git")
		if err != nil {
			return err
		}
		defer os.RemoveAll(root)

		if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
			return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
		}

		c, err := Tar(root, Bzip2)
		if err != nil {
			return err
		}
		context = c
	} else if utils.IsURL(remoteURL) {
		f, err := utils.Download(remoteURL, ioutil.Discard)
		if err != nil {
			return err
		}
		defer f.Body.Close()
		dockerFile, err := ioutil.ReadAll(f.Body)
		if err != nil {
			return err
		}
		c, err := mkBuildContext(string(dockerFile), nil)
		if err != nil {
			return err
		}
		context = c
	}
	b := NewBuildFile(srv, utils.NewWriteFlusher(w))
	id, err := b.Build(context)
	if err != nil {
		fmt.Fprintf(w, "Error build: %s\n", err)
		return err
	}
	if repoName != "" {
		srv.runtime.repositories.Set(repoName, tag, id, false)
	}
	return nil
}

func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version < 1.3 {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	var (
		remoteURL         = r.FormValue("remote")
		repoName          = r.FormValue("t")
		rawSuppressOutput = r.FormValue("q")
		rawNoCache        = r.FormValue("nocache")
		rawRm             = r.FormValue("rm")
		authEncoded       = r.Header.Get("X-Registry-Auth")
		authConfig        = &auth.AuthConfig{}
		configFileEncoded = r.Header.Get("X-Registry-Config")
		configFile        = &auth.ConfigFile{}
		tag               string
	)
	repoName, tag = utils.ParseRepositoryTag(repoName)

	// This block can be removed when API versions prior to 1.9 are deprecated.
	// Both headers will be parsed and sent along to the daemon, but if a non-empty
	// ConfigFile is present, any value provided as an AuthConfig directly will
	// be overridden. See BuildFile::CmdFrom for details.
	if version < 1.9 && authEncoded != "" {
		authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
		if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
			// for a pull it is not an error if no auth was given
			// to increase compatibility with the existing api it is defaulting to be empty
			authConfig = &auth.AuthConfig{}
		}
	}

	if configFileEncoded != "" {
		configFileJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(configFileEncoded))
		if err := json.NewDecoder(configFileJson).Decode(configFile); err != nil {
			// for a pull it is not an error if no auth was given
			// to increase compatibility with the existing api it is defaulting to be empty
			configFile = &auth.ConfigFile{}
		}
	}

	var context io.Reader

	if remoteURL == "" {
		context = r.Body
	} else if utils.IsGIT(remoteURL) {
		if !strings.HasPrefix(remoteURL, "git://") {
			remoteURL = "https://" + remoteURL
		}
		root, err := ioutil.TempDir("", "docker-build-git")
		if err != nil {
			return err
		}
		defer os.RemoveAll(root)

		if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
			return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
		}

		c, err := archive.Tar(root, archive.Uncompressed)
		if err != nil {
			return err
		}
		context = c
	} else if utils.IsURL(remoteURL) {
		f, err := utils.Download(remoteURL)
		if err != nil {
			return err
		}
		defer f.Body.Close()
		dockerFile, err := ioutil.ReadAll(f.Body)
		if err != nil {
			return err
		}
		c, err := MkBuildContext(string(dockerFile), nil)
		if err != nil {
			return err
		}
		context = c
	}

	suppressOutput, err := getBoolParam(rawSuppressOutput)
	if err != nil {
		return err
	}
	noCache, err := getBoolParam(rawNoCache)
	if err != nil {
		return err
	}
	rm, err := getBoolParam(rawRm)
	if err != nil {
		return err
	}

	if version >= 1.8 {
		w.Header().Set("Content-Type", "application/json")
	}
	sf := utils.NewStreamFormatter(version >= 1.8)
	b := NewBuildFile(srv,
		&StdoutFormater{
			Writer:          utils.NewWriteFlusher(w),
//.........這裏部分代碼省略.........

func (b *buildFile) CmdAdd(args string) error {
	if b.context == "" {
		return fmt.Errorf("No context given. Impossible to use ADD")
	}
	tmp := strings.SplitN(args, " ", 2)
	if len(tmp) != 2 {
		return fmt.Errorf("Invalid ADD format")
	}

	orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
	if err != nil {
		return err
	}

	dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}

	b.config.Image = b.image

	origPath := orig
	destPath := dest
	clobberTimes := false

	if utils.IsURL(orig) {

		clobberTimes = true

		resp, err := utils.Download(orig)
		if err != nil {
			return err
		}
		tmpDirName, err := ioutil.TempDir(b.context, "docker-remote")
		if err != nil {
			return err
		}
		tmpFileName := path.Join(tmpDirName, "tmp")
		tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
		if err != nil {
			return err
		}
		defer os.RemoveAll(tmpDirName)
		if _, err = io.Copy(tmpFile, resp.Body); err != nil {
			return err
		}
		origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))
		tmpFile.Close()

		// If the destination is a directory, figure out the filename.
		if strings.HasSuffix(dest, "/") {
			u, err := url.Parse(orig)
			if err != nil {
				return err
			}
			path := u.Path
			if strings.HasSuffix(path, "/") {
				path = path[:len(path)-1]
			}
			parts := strings.Split(path, "/")
			filename := parts[len(parts)-1]
			if filename == "" {
				return fmt.Errorf("cannot determine filename from url: %s", u)
			}
			destPath = dest + filename
		}
	}

	if err := b.checkPathForAddition(origPath); err != nil {
		return err
	}

	// Hash path and check the cache
	if b.utilizeCache {
		hash, err := b.hashPath(b.context, origPath, clobberTimes)
		if err != nil {
			return err
		}
		b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", hash, dest)}
		hit, err := b.probeCache()
		if err != nil {
			return err
		}
		if hit {
			return nil
		}
	}

	// Create the container and start it
	container, _, err := b.runtime.Create(b.config, "")
	if err != nil {
		return err
	}
	b.tmpContainers[container.ID] = struct{}{}

	if err := container.EnsureMounted(); err != nil {
		return err
//.........這裏部分代碼省略.........

func (b *buildFile) CmdAdd(args string) error {
	if b.context == nil {
		return fmt.Errorf("No context given. Impossible to use ADD")
	}
	tmp := strings.SplitN(args, " ", 2)
	if len(tmp) != 2 {
		return fmt.Errorf("Invalid ADD format")
	}

	orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
	if err != nil {
		return err
	}

	dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
	b.config.Image = b.image

	// FIXME: do we really need this?
	var (
		origPath = orig
		destPath = dest
	)

	if utils.IsURL(orig) {
		resp, err := utils.Download(orig)
		if err != nil {
			return err
		}
		tmpDirName, err := ioutil.TempDir(b.contextPath, "docker-remote")
		if err != nil {
			return err
		}
		tmpFileName := path.Join(tmpDirName, "tmp")
		tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
		if err != nil {
			return err
		}
		defer os.RemoveAll(tmpDirName)
		if _, err = io.Copy(tmpFile, resp.Body); err != nil {
			return err
		}
		origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))
		tmpFile.Close()

		// If the destination is a directory, figure out the filename.
		if strings.HasSuffix(dest, "/") {
			u, err := url.Parse(orig)
			if err != nil {
				return err
			}
			path := u.Path
			if strings.HasSuffix(path, "/") {
				path = path[:len(path)-1]
			}
			parts := strings.Split(path, "/")
			filename := parts[len(parts)-1]
			if filename == "" {
				return fmt.Errorf("cannot determine filename from url: %s", u)
			}
			destPath = dest + filename
		}
	}

	if err := b.checkPathForAddition(origPath); err != nil {
		return err
	}

	// Hash path and check the cache
	if b.utilizeCache {
		var (
			hash string
			sums = b.context.GetSums()
		)
		if fi, err := os.Stat(path.Join(b.contextPath, origPath)); err != nil {
			return err
		} else if fi.IsDir() {
			var subfiles []string
			for file, sum := range sums {
				if strings.HasPrefix(file, origPath) {
					subfiles = append(subfiles, sum)
				}
			}
			sort.Strings(subfiles)
			hasher := sha256.New()
			hasher.Write([]byte(strings.Join(subfiles, ",")))
			hash = "dir:" + hex.EncodeToString(hasher.Sum(nil))
		} else {
			hash = "file:" + sums[origPath]
		}
		b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", hash, dest)}
		hit, err := b.probeCache()
		if err != nil {
			return err
		}
//.........這裏部分代碼省略.........