コード例 #1
0
ファイル: server.go プロジェクト: technosophos/flynn
// Creates an image from Pull or from Import
func postImagesCreate(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}

	var (
		image = r.Form.Get("fromImage")
		repo  = r.Form.Get("repo")
		tag   = r.Form.Get("tag")
		job   *engine.Job
	)
	authEncoded := r.Header.Get("X-Registry-Auth")
	authConfig := &registry.AuthConfig{}
	if 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 = &registry.AuthConfig{}
		}
	}
	if image != "" { //pull
		if tag == "" {
			image, tag = parsers.ParseRepositoryTag(image)
		}
		metaHeaders := map[string][]string{}
		for k, v := range r.Header {
			if strings.HasPrefix(k, "X-Meta-") {
				metaHeaders[k] = v
			}
		}
		job = eng.Job("pull", image, tag)
		job.SetenvBool("parallel", version.GreaterThan("1.3"))
		job.SetenvJson("metaHeaders", metaHeaders)
		job.SetenvJson("authConfig", authConfig)
	} else { //import
		if tag == "" {
			repo, tag = parsers.ParseRepositoryTag(repo)
		}
		job = eng.Job("import", r.Form.Get("fromSrc"), repo, tag)
		job.Stdin.Add(r.Body)
		job.SetenvList("changes", r.Form["changes"])
	}

	if version.GreaterThan("1.0") {
		job.SetenvBool("json", true)
		streamJSON(job, w, true)
	} else {
		job.Stdout.Add(utils.NewWriteFlusher(w))
	}
	if err := job.Run(); err != nil {
		if !job.Stdout.Used() {
			return err
		}
		sf := utils.NewStreamFormatter(version.GreaterThan("1.0"))
		w.Write(sf.FormatError(err))
	}

	return nil
}
コード例 #2
0
ファイル: server.go プロジェクト: technosophos/flynn
func postImagesPush(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	metaHeaders := map[string][]string{}
	for k, v := range r.Header {
		if strings.HasPrefix(k, "X-Meta-") {
			metaHeaders[k] = v
		}
	}
	if err := parseForm(r); err != nil {
		return err
	}
	authConfig := &registry.AuthConfig{}

	authEncoded := r.Header.Get("X-Registry-Auth")
	if authEncoded != "" {
		// the new format is to handle the authConfig as a header
		authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
		if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
			// to increase compatibility to existing api it is defaulting to be empty
			authConfig = &registry.AuthConfig{}
		}
	} else {
		// the old format is supported for compatibility if there was no authConfig header
		if err := json.NewDecoder(r.Body).Decode(authConfig); err != nil {
			return err
		}
	}

	job := eng.Job("push", vars["name"])
	job.SetenvJson("metaHeaders", metaHeaders)
	job.SetenvJson("authConfig", authConfig)
	job.Setenv("tag", r.Form.Get("tag"))
	if version.GreaterThan("1.0") {
		job.SetenvBool("json", true)
		streamJSON(job, w, true)
	} else {
		job.Stdout.Add(utils.NewWriteFlusher(w))
	}

	if err := job.Run(); err != nil {
		if !job.Stdout.Used() {
			return err
		}
		sf := utils.NewStreamFormatter(version.GreaterThan("1.0"))
		w.Write(sf.FormatError(err))
	}
	return nil
}
コード例 #3
0
ファイル: import.go プロジェクト: devick/flynn
func (s *TagStore) CmdImport(job *engine.Job) error {
	if n := len(job.Args); n != 2 && n != 3 {
		return fmt.Errorf("Usage: %s SRC REPO [TAG]", job.Name)
	}
	var (
		src          = job.Args[0]
		repo         = job.Args[1]
		tag          string
		sf           = utils.NewStreamFormatter(job.GetenvBool("json"))
		archive      archive.ArchiveReader
		resp         *http.Response
		stdoutBuffer = bytes.NewBuffer(nil)
		newConfig    runconfig.Config
	)
	if len(job.Args) > 2 {
		tag = job.Args[2]
	}

	if src == "-" {
		archive = job.Stdin
	} else {
		u, err := url.Parse(src)
		if err != nil {
			return err
		}
		if u.Scheme == "" {
			u.Scheme = "http"
			u.Host = src
			u.Path = ""
		}
		job.Stdout.Write(sf.FormatStatus("", "Downloading from %s", u))
		resp, err = utils.Download(u.String())
		if err != nil {
			return err
		}
		progressReader := progressreader.New(progressreader.Config{
			In:        resp.Body,
			Out:       job.Stdout,
			Formatter: sf,
			Size:      int(resp.ContentLength),
			NewLines:  true,
			ID:        "",
			Action:    "Importing",
		})
		defer progressReader.Close()
		archive = progressReader
	}

	buildConfigJob := job.Eng.Job("build_config")
	buildConfigJob.Stdout.Add(stdoutBuffer)
	buildConfigJob.Setenv("changes", job.Getenv("changes"))
	// FIXME this should be remove when we remove deprecated config param
	buildConfigJob.Setenv("config", job.Getenv("config"))

	if err := buildConfigJob.Run(); err != nil {
		return err
	}
	if err := json.NewDecoder(stdoutBuffer).Decode(&newConfig); err != nil {
		return err
	}

	img, err := s.graph.Create(archive, "", "", "Imported from "+src, "", nil, &newConfig)
	if err != nil {
		return err
	}
	// Optionally register the image at REPO/TAG
	if repo != "" {
		if err := s.Set(repo, tag, img.ID, true); err != nil {
			return err
		}
	}
	job.Stdout.Write(sf.FormatStatus("", img.ID))
	logID := img.ID
	if tag != "" {
		logID = utils.ImageReference(logID, tag)
	}
	if err = job.Eng.Job("log", "import", logID, "").Run(); err != nil {
		log.Errorf("Error logging event 'import' for %s: %s", logID, err)
	}
	return nil
}
コード例 #4
0
ファイル: push.go プロジェクト: devick/flynn
// FIXME: Allow to interrupt current push when new push of same image is done.
func (s *TagStore) CmdPush(job *engine.Job) error {
	if n := len(job.Args); n != 1 {
		return fmt.Errorf("Usage: %s IMAGE", job.Name)
	}
	var (
		localName   = job.Args[0]
		sf          = utils.NewStreamFormatter(job.GetenvBool("json"))
		authConfig  = &registry.AuthConfig{}
		metaHeaders map[string][]string
	)

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

	tag := job.Getenv("tag")
	job.GetenvJson("authConfig", authConfig)
	job.GetenvJson("metaHeaders", &metaHeaders)

	if _, err := s.poolAdd("push", repoInfo.LocalName); err != nil {
		return err
	}
	defer s.poolRemove("push", repoInfo.LocalName)

	endpoint, err := repoInfo.GetEndpoint()
	if err != nil {
		return err
	}

	r, err := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, false)
	if err != nil {
		return err
	}

	reposLen := 1
	if tag == "" {
		reposLen = len(s.Repositories[repoInfo.LocalName])
	}
	job.Stdout.Write(sf.FormatStatus("", "The push refers to a repository [%s] (len: %d)", repoInfo.CanonicalName, reposLen))
	// If it fails, try to get the repository
	localRepo, exists := s.Repositories[repoInfo.LocalName]
	if !exists {
		return fmt.Errorf("Repository does not exist: %s", repoInfo.LocalName)
	}

	if repoInfo.Index.Official || endpoint.Version == registry.APIVersion2 {
		err := s.pushV2Repository(r, localRepo, job.Stdout, repoInfo, tag, sf)
		if err == nil {
			return nil
		}

		if err != ErrV2RegistryUnavailable {
			return fmt.Errorf("Error pushing to registry: %s", err)
		}
	}

	if err := s.pushRepository(r, job.Stdout, repoInfo, localRepo, tag, sf); err != nil {
		return err
	}
	return nil

}
コード例 #5
0
ファイル: server.go プロジェクト: technosophos/flynn
func postBuild(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version.LessThan("1.3") {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	var (
		authEncoded       = r.Header.Get("X-Registry-Auth")
		authConfig        = &registry.AuthConfig{}
		configFileEncoded = r.Header.Get("X-Registry-Config")
		configFile        = &registry.ConfigFile{}
		job               = eng.Job("build")
	)

	// 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.LessThan("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 = &registry.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 = &registry.ConfigFile{}
		}
	}

	if version.GreaterThanOrEqualTo("1.8") {
		job.SetenvBool("json", true)
		streamJSON(job, w, true)
	} else {
		job.Stdout.Add(utils.NewWriteFlusher(w))
	}

	if r.FormValue("forcerm") == "1" && version.GreaterThanOrEqualTo("1.12") {
		job.Setenv("rm", "1")
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		job.Setenv("rm", "1")
	} else {
		job.Setenv("rm", r.FormValue("rm"))
	}
	if r.FormValue("pull") == "1" && version.GreaterThanOrEqualTo("1.16") {
		job.Setenv("pull", "1")
	}
	job.Stdin.Add(r.Body)
	job.Setenv("remote", r.FormValue("remote"))
	job.Setenv("dockerfile", r.FormValue("dockerfile"))
	job.Setenv("t", r.FormValue("t"))
	job.Setenv("q", r.FormValue("q"))
	job.Setenv("nocache", r.FormValue("nocache"))
	job.Setenv("forcerm", r.FormValue("forcerm"))
	job.SetenvJson("authConfig", authConfig)
	job.SetenvJson("configFile", configFile)
	job.Setenv("memswap", r.FormValue("memswap"))
	job.Setenv("memory", r.FormValue("memory"))
	job.Setenv("cpusetcpus", r.FormValue("cpusetcpus"))
	job.Setenv("cpushares", r.FormValue("cpushares"))

	// Job cancellation. Note: not all job types support this.
	if closeNotifier, ok := w.(http.CloseNotifier); ok {
		finished := make(chan struct{})
		defer close(finished)
		go func() {
			select {
			case <-finished:
			case <-closeNotifier.CloseNotify():
				log.Infof("Client disconnected, cancelling job: %s", job.Name)
				job.Cancel()
			}
		}()
	}

	if err := job.Run(); err != nil {
		if !job.Stdout.Used() {
			return err
		}
		sf := utils.NewStreamFormatter(version.GreaterThanOrEqualTo("1.8"))
		w.Write(sf.FormatError(err))
	}
	return nil
}
コード例 #6
0
ファイル: build.go プロジェクト: devick/flynn
func (cli *DockerCli) CmdBuild(args ...string) error {
	cmd := cli.Subcmd("build", "PATH | URL | -", "Build a new image from the source code at PATH", true)
	tag := cmd.String([]string{"t", "-tag"}, "", "Repository name (and optionally a tag) for the image")
	suppressOutput := cmd.Bool([]string{"q", "-quiet"}, false, "Suppress the verbose output generated by the containers")
	noCache := cmd.Bool([]string{"#no-cache", "-no-cache"}, false, "Do not use cache when building the image")
	rm := cmd.Bool([]string{"#rm", "-rm"}, true, "Remove intermediate containers after a successful build")
	forceRm := cmd.Bool([]string{"-force-rm"}, false, "Always remove intermediate containers")
	pull := cmd.Bool([]string{"-pull"}, false, "Always attempt to pull a newer version of the image")
	dockerfileName := cmd.String([]string{"f", "-file"}, "", "Name of the Dockerfile (Default is 'PATH/Dockerfile')")
	flMemoryString := cmd.String([]string{"m", "-memory"}, "", "Memory limit")
	flMemorySwap := cmd.String([]string{"-memory-swap"}, "", "Total memory (memory + swap), '-1' to disable swap")
	flCpuShares := cmd.Int64([]string{"c", "-cpu-shares"}, 0, "CPU shares (relative weight)")
	flCpuSetCpus := cmd.String([]string{"-cpuset-cpus"}, "", "CPUs in which to allow execution (0-3, 0,1)")

	cmd.Require(flag.Exact, 1)

	utils.ParseFlags(cmd, args, true)

	var (
		context  archive.Archive
		isRemote bool
		err      error
	)

	_, err = exec.LookPath("git")
	hasGit := err == nil
	if cmd.Arg(0) == "-" {
		// As a special case, 'docker build -' will build from either an empty context with the
		// contents of stdin as a Dockerfile, or a tar-ed context from stdin.
		buf := bufio.NewReader(cli.in)
		magic, err := buf.Peek(tarHeaderSize)
		if err != nil && err != io.EOF {
			return fmt.Errorf("failed to peek context header from STDIN: %v", err)
		}
		if !archive.IsArchive(magic) {
			dockerfile, err := ioutil.ReadAll(buf)
			if err != nil {
				return fmt.Errorf("failed to read Dockerfile from STDIN: %v", err)
			}

			// -f option has no meaning when we're reading it from stdin,
			// so just use our default Dockerfile name
			*dockerfileName = api.DefaultDockerfileName
			context, err = archive.Generate(*dockerfileName, string(dockerfile))
		} else {
			context = ioutil.NopCloser(buf)
		}
	} else if urlutil.IsURL(cmd.Arg(0)) && (!urlutil.IsGitURL(cmd.Arg(0)) || !hasGit) {
		isRemote = true
	} else {
		root := cmd.Arg(0)
		if urlutil.IsGitURL(root) {
			remoteURL := cmd.Arg(0)
			if !urlutil.IsGitTransport(remoteURL) {
				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", "--recursive", remoteURL, root).CombinedOutput(); err != nil {
				return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
			}
		}
		if _, err := os.Stat(root); err != nil {
			return err
		}

		absRoot, err := filepath.Abs(root)
		if err != nil {
			return err
		}

		filename := *dockerfileName // path to Dockerfile

		if *dockerfileName == "" {
			// No -f/--file was specified so use the default
			*dockerfileName = api.DefaultDockerfileName
			filename = filepath.Join(absRoot, *dockerfileName)

			// Just to be nice ;-) look for 'dockerfile' too but only
			// use it if we found it, otherwise ignore this check
			if _, err = os.Lstat(filename); os.IsNotExist(err) {
				tmpFN := path.Join(absRoot, strings.ToLower(*dockerfileName))
				if _, err = os.Lstat(tmpFN); err == nil {
					*dockerfileName = strings.ToLower(*dockerfileName)
					filename = tmpFN
				}
			}
		}

		origDockerfile := *dockerfileName // used for error msg
		if filename, err = filepath.Abs(filename); err != nil {
			return err
		}

		// Verify that 'filename' is within the build context
		filename, err = symlink.FollowSymlinkInScope(filename, absRoot)
		if err != nil {
			return fmt.Errorf("The Dockerfile (%s) must be within the build context (%s)", origDockerfile, root)
		}

		// Now reset the dockerfileName to be relative to the build context
		*dockerfileName, err = filepath.Rel(absRoot, filename)
		if err != nil {
			return err
		}
		// And canonicalize dockerfile name to a platform-independent one
		*dockerfileName, err = archive.CanonicalTarNameForPath(*dockerfileName)
		if err != nil {
			return fmt.Errorf("Cannot canonicalize dockerfile path %s: %v", dockerfileName, err)
		}

		if _, err = os.Lstat(filename); os.IsNotExist(err) {
			return fmt.Errorf("Cannot locate Dockerfile: %s", origDockerfile)
		}
		var includes = []string{"."}

		excludes, err := utils.ReadDockerIgnore(path.Join(root, ".dockerignore"))
		if err != nil {
			return err
		}

		// If .dockerignore mentions .dockerignore or the Dockerfile
		// then make sure we send both files over to the daemon
		// because Dockerfile is, obviously, needed no matter what, and
		// .dockerignore is needed to know if either one needs to be
		// removed.  The deamon will remove them for us, if needed, after it
		// parses the Dockerfile.
		keepThem1, _ := fileutils.Matches(".dockerignore", excludes)
		keepThem2, _ := fileutils.Matches(*dockerfileName, excludes)
		if keepThem1 || keepThem2 {
			includes = append(includes, ".dockerignore", *dockerfileName)
		}

		if err = utils.ValidateContextDirectory(root, excludes); err != nil {
			return fmt.Errorf("Error checking context is accessible: '%s'. Please check permissions and try again.", err)
		}
		options := &archive.TarOptions{
			Compression:     archive.Uncompressed,
			ExcludePatterns: excludes,
			IncludeFiles:    includes,
		}
		context, err = archive.TarWithOptions(root, options)
		if err != nil {
			return err
		}
	}

	// windows: show error message about modified file permissions
	// FIXME: this is not a valid warning when the daemon is running windows. should be removed once docker engine for windows can build.
	if runtime.GOOS == "windows" {
		log.Warn(`SECURITY WARNING: You are building a Docker image from Windows against a Linux 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.`)
	}

	var body io.Reader
	// Setup an upload progress bar
	// FIXME: ProgressReader shouldn't be this annoying to use
	if context != nil {
		sf := utils.NewStreamFormatter(false)
		body = progressreader.New(progressreader.Config{
			In:        context,
			Out:       cli.out,
			Formatter: sf,
			NewLines:  true,
			ID:        "",
			Action:    "Sending build context to Docker daemon",
		})
	}

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

	var memorySwap int64
	if *flMemorySwap != "" {
		if *flMemorySwap == "-1" {
			memorySwap = -1
		} else {
			parsedMemorySwap, err := units.RAMInBytes(*flMemorySwap)
			if err != nil {
				return err
			}
			memorySwap = parsedMemorySwap
		}
	}
	// Send the build context
	v := &url.Values{}

	//Check if the given image name can be resolved
	if *tag != "" {
		repository, tag := parsers.ParseRepositoryTag(*tag)
		if err := registry.ValidateRepositoryName(repository); err != nil {
			return err
		}
		if len(tag) > 0 {
			if err := graph.ValidateTagName(tag); err != nil {
				return err
			}
		}
	}

	v.Set("t", *tag)

	if *suppressOutput {
		v.Set("q", "1")
	}
	if isRemote {
		v.Set("remote", cmd.Arg(0))
	}
	if *noCache {
		v.Set("nocache", "1")
	}
	if *rm {
		v.Set("rm", "1")
	} else {
		v.Set("rm", "0")
	}

	if *forceRm {
		v.Set("forcerm", "1")
	}

	if *pull {
		v.Set("pull", "1")
	}

	v.Set("cpusetcpus", *flCpuSetCpus)
	v.Set("cpushares", strconv.FormatInt(*flCpuShares, 10))
	v.Set("memory", strconv.FormatInt(memory, 10))
	v.Set("memswap", strconv.FormatInt(memorySwap, 10))

	v.Set("dockerfile", *dockerfileName)

	cli.LoadConfigFile()

	headers := http.Header(make(map[string][]string))
	buf, err := json.Marshal(cli.configFile)
	if err != nil {
		return err
	}
	headers.Add("X-Registry-Config", base64.URLEncoding.EncodeToString(buf))

	if context != nil {
		headers.Set("Content-Type", "application/tar")
	}
	err = cli.stream("POST", fmt.Sprintf("/build?%s", v.Encode()), body, cli.out, headers)
	if jerr, ok := err.(*utils.JSONError); ok {
		// If no error code is set, default to 1
		if jerr.Code == 0 {
			jerr.Code = 1
		}
		return &utils.StatusError{Status: jerr.Message, StatusCode: jerr.Code}
	}
	return err
}
コード例 #7
0
ファイル: pull.go プロジェクト: devick/flynn
func (s *TagStore) CmdPull(job *engine.Job) error {
	if n := len(job.Args); n != 1 && n != 2 {
		return fmt.Errorf("Usage: %s IMAGE [TAG|DIGEST]", job.Name)
	}

	var (
		localName   = job.Args[0]
		tag         string
		sf          = utils.NewStreamFormatter(job.GetenvBool("json"))
		authConfig  = &registry.AuthConfig{}
		metaHeaders map[string][]string
	)

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

	if len(job.Args) > 1 {
		tag = job.Args[1]
	}

	job.GetenvJson("authConfig", authConfig)
	job.GetenvJson("metaHeaders", &metaHeaders)

	c, err := s.poolAdd("pull", utils.ImageReference(repoInfo.LocalName, tag))
	if err != nil {
		if c != nil {
			// Another pull of the same repository is already taking place; just wait for it to finish
			job.Stdout.Write(sf.FormatStatus("", "Repository %s already being pulled by another client. Waiting.", repoInfo.LocalName))
			<-c
			return nil
		}
		return err
	}
	defer s.poolRemove("pull", utils.ImageReference(repoInfo.LocalName, tag))

	log.Debugf("pulling image from host %q with remote name %q", repoInfo.Index.Name, repoInfo.RemoteName)
	endpoint, err := repoInfo.GetEndpoint()
	if err != nil {
		return err
	}

	r, err := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, true)
	if err != nil {
		return err
	}

	logName := repoInfo.LocalName
	if tag != "" {
		logName = utils.ImageReference(logName, tag)
	}

	if len(repoInfo.Index.Mirrors) == 0 && (repoInfo.Index.Official || endpoint.Version == registry.APIVersion2) {
		if repoInfo.Official {
			j := job.Eng.Job("trust_update_base")
			if err = j.Run(); err != nil {
				log.Errorf("error updating trust base graph: %s", err)
			}
		}

		log.Debugf("pulling v2 repository with local name %q", repoInfo.LocalName)
		if err := s.pullV2Repository(job.Eng, r, job.Stdout, repoInfo, tag, sf, job.GetenvBool("parallel")); err == nil {
			if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
				log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
			}
			return nil
		} else if err != registry.ErrDoesNotExist && err != ErrV2RegistryUnavailable {
			log.Errorf("Error from V2 registry: %s", err)
		}

		log.Debug("image does not exist on v2 registry, falling back to v1")
	}

	log.Debugf("pulling v1 repository with local name %q", repoInfo.LocalName)
	if err = s.pullRepository(r, job.Stdout, repoInfo, tag, sf, job.GetenvBool("parallel")); err != nil {
		return err
	}

	if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
		log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
	}

	return nil
}
コード例 #8
0
ファイル: pull.go プロジェクト: josephwinston/flynn
func (s *TagStore) CmdPull(job *engine.Job) engine.Status {
	if n := len(job.Args); n != 1 && n != 2 {
		return job.Errorf("Usage: %s IMAGE [TAG]", job.Name)
	}

	var (
		localName   = job.Args[0]
		tag         string
		sf          = utils.NewStreamFormatter(job.GetenvBool("json"))
		authConfig  = &registry.AuthConfig{}
		metaHeaders map[string][]string
		mirrors     []string
	)

	if len(job.Args) > 1 {
		tag = job.Args[1]
	}

	job.GetenvJson("authConfig", authConfig)
	job.GetenvJson("metaHeaders", &metaHeaders)

	c, err := s.poolAdd("pull", localName+":"+tag)
	if err != nil {
		if c != nil {
			// Another pull of the same repository is already taking place; just wait for it to finish
			job.Stdout.Write(sf.FormatStatus("", "Repository %s already being pulled by another client. Waiting.", localName))
			<-c
			return engine.StatusOK
		}
		return job.Error(err)
	}
	defer s.poolRemove("pull", localName+":"+tag)

	// Resolve the Repository name from fqn to endpoint + name
	hostname, remoteName, err := registry.ResolveRepositoryName(localName)
	if err != nil {
		return job.Error(err)
	}

	endpoint, err := registry.NewEndpoint(hostname, s.insecureRegistries)
	if err != nil {
		return job.Error(err)
	}

	r, err := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, true)
	if err != nil {
		return job.Error(err)
	}

	var isOfficial bool
	if endpoint.VersionString(1) == registry.IndexServerAddress() {
		// If pull "index.docker.io/foo/bar", it's stored locally under "foo/bar"
		localName = remoteName

		isOfficial = isOfficialName(remoteName)
		if isOfficial && strings.IndexRune(remoteName, '/') == -1 {
			remoteName = "library/" + remoteName
		}

		// Use provided mirrors, if any
		mirrors = s.mirrors
	}

	logName := localName
	if tag != "" {
		logName += ":" + tag
	}

	if len(mirrors) == 0 && (isOfficial || endpoint.Version == registry.APIVersion2) {
		j := job.Eng.Job("trust_update_base")
		if err = j.Run(); err != nil {
			return job.Errorf("error updating trust base graph: %s", err)
		}

		if err := s.pullV2Repository(job.Eng, r, job.Stdout, localName, remoteName, tag, sf, job.GetenvBool("parallel")); err == nil {
			if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
				log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
			}
			return engine.StatusOK
		} else if err != registry.ErrDoesNotExist {
			log.Errorf("Error from V2 registry: %s", err)
		}
	}

	if err = s.pullRepository(r, job.Stdout, localName, remoteName, tag, sf, job.GetenvBool("parallel"), mirrors); err != nil {
		return job.Error(err)
	}

	if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
		log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
	}

	return engine.StatusOK
}