Golang Version.GreaterThanOrEqualTo方法代码示例

func deleteContainers(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
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}
	job := eng.Job("container_delete", vars["name"])

	if version.GreaterThanOrEqualTo("1.14") {
		job.Setenv("stop", r.Form.Get("stop"))
		job.Setenv("kill", r.Form.Get("kill"))

		if job.GetenvBool("stop") && job.GetenvBool("kill") {
			return fmt.Errorf("Bad parameters: can't use stop and kill simultaneously")
		}
	} else {
		job.Setenv("stop", r.Form.Get("force"))
	}
	job.Setenv("removeVolume", r.Form.Get("v"))
	job.Setenv("removeLink", r.Form.Get("link"))
	if err := job.Run(); err != nil {
		return err
	}
	w.WriteHeader(http.StatusNoContent)
	return nil
}

func postCommit(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 (
		config       engine.Env
		env          engine.Env
		job          = eng.Job("commit", r.Form.Get("container"))
		stdoutBuffer = bytes.NewBuffer(nil)
	)
	if err := config.Decode(r.Body); err != nil {
		utils.Errorf("%s", err)
	}

	if r.FormValue("pause") == "" && version.GreaterThanOrEqualTo("1.13") {
		job.Setenv("pause", "1")
	} else {
		job.Setenv("pause", r.FormValue("pause"))
	}

	job.Setenv("repo", r.Form.Get("repo"))
	job.Setenv("tag", r.Form.Get("tag"))
	job.Setenv("author", r.Form.Get("author"))
	job.Setenv("comment", r.Form.Get("comment"))
	job.SetenvSubEnv("config", &config)

	job.Stdout.Add(stdoutBuffer)
	if err := job.Run(); err != nil {
		return err
	}
	env.Set("Id", engine.Tail(stdoutBuffer, 1))
	return writeJSON(w, http.StatusCreated, env)
}

// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func postContainerExecStart(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return nil
	}
	var (
		name             = vars["name"]
		job              = eng.Job("execStart", name)
		errOut io.Writer = os.Stderr
	)

	if err := job.DecodeEnv(r.Body); err != nil {
		return err
	}
	if !job.GetenvBool("Detach") {
		// Setting up the streaming http interface.
		inStream, outStream, err := hijackServer(w)
		if err != nil {
			return err
		}

		defer func() {
			if tcpc, ok := inStream.(*net.TCPConn); ok {
				tcpc.CloseWrite()
			} else {
				inStream.Close()
			}
		}()
		defer func() {
			if tcpc, ok := outStream.(*net.TCPConn); ok {
				tcpc.CloseWrite()
			} else if closer, ok := outStream.(io.Closer); ok {
				closer.Close()
			}
		}()

		var errStream io.Writer

		fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		if !job.GetenvBool("Tty") && version.GreaterThanOrEqualTo("1.6") {
			errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
			outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
		} else {
			errStream = outStream
		}
		job.Stdin.Add(inStream)
		job.Stdout.Add(outStream)
		job.Stderr.Set(errStream)
		errOut = outStream
	}
	// Now run the user process in container.
	job.SetCloseIO(false)
	if err := job.Run(); err != nil {
		fmt.Fprintf(errOut, "Error starting exec command in container %s: %s\n", name, err)
		return err
	}
	w.WriteHeader(http.StatusNoContent)

	return nil
}

func postContainersAttach(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
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	d := getDaemon(eng)

	cont, err := d.Get(vars["name"])
	if err != nil {
		return err
	}

	inStream, outStream, err := hijackServer(w)
	if err != nil {
		return err
	}
	defer closeStreams(inStream, outStream)

	var errStream io.Writer

	if _, ok := r.Header["Upgrade"]; ok {
		fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
	} else {
		fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
	}

	if !cont.Config.Tty && version.GreaterThanOrEqualTo("1.6") {
		errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
		outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
	} else {
		errStream = outStream
	}
	logs := toBool(r.Form.Get("logs"))
	stream := toBool(r.Form.Get("stream"))

	var stdin io.ReadCloser
	var stdout, stderr io.Writer

	if toBool(r.Form.Get("stdin")) {
		stdin = inStream
	}
	if toBool(r.Form.Get("stdout")) {
		stdout = outStream
	}
	if toBool(r.Form.Get("stderr")) {
		stderr = errStream
	}

	if err := cont.AttachWithLogs(stdin, stdout, stderr, logs, stream); err != nil {
		fmt.Fprintf(outStream, "Error attaching: %s\n", err)
	}
	return nil
}

func postContainersAttach(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
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	var (
		job    = eng.Job("container_inspect", vars["name"])
		c, err = job.Stdout.AddEnv()
	)
	if err != nil {
		return err
	}
	if err = job.Run(); err != nil {
		return err
	}

	inStream, outStream, err := hijackServer(w)
	if err != nil {
		return err
	}
	defer closeStreams(inStream, outStream)

	var errStream io.Writer

	if _, ok := r.Header["Upgrade"]; ok {
		fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
	} else {
		fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
	}

	if c.GetSubEnv("Config") != nil && !c.GetSubEnv("Config").GetBool("Tty") && version.GreaterThanOrEqualTo("1.6") {
		errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
		outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
	} else {
		errStream = outStream
	}

	job = eng.Job("attach", vars["name"])
	job.Setenv("logs", r.Form.Get("logs"))
	job.Setenv("stream", r.Form.Get("stream"))
	job.Setenv("stdin", r.Form.Get("stdin"))
	job.Setenv("stdout", r.Form.Get("stdout"))
	job.Setenv("stderr", r.Form.Get("stderr"))
	job.Stdin.Add(inStream)
	job.Stdout.Add(outStream)
	job.Stderr.Set(errStream)
	if err := job.Run(); err != nil {
		fmt.Fprintf(outStream, "Error attaching: %s\n", err)

	}
	return nil
}

// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func (s *Server) postContainerExecStart(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return nil
	}
	var (
		execName = vars["name"]
		stdin    io.ReadCloser
		stdout   io.Writer
		stderr   io.Writer
	)

	execStartCheck := &types.ExecStartCheck{}
	if err := json.NewDecoder(r.Body).Decode(execStartCheck); err != nil {
		return err
	}

	if !execStartCheck.Detach {
		// Setting up the streaming http interface.
		inStream, outStream, err := hijackServer(w)
		if err != nil {
			return err
		}
		defer closeStreams(inStream, outStream)

		var errStream io.Writer

		if _, ok := r.Header["Upgrade"]; ok {
			fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
		} else {
			fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		if !execStartCheck.Tty && version.GreaterThanOrEqualTo("1.6") {
			errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
			outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
		} else {
			errStream = outStream
		}
		stdin = inStream
		stdout = outStream
		stderr = errStream
	}
	// Now run the user process in container.

	if err := s.daemon.ContainerExecStart(execName, stdin, stdout, stderr); err != nil {
		logrus.Errorf("Error starting exec command in container %s: %s", execName, err)
		return err
	}
	w.WriteHeader(http.StatusNoContent)

	return nil
}

func getEvents(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 job = eng.Job("events")
	// lineDelimited JSON events was added #7047
	job.SetenvBool("lineDelim", version.GreaterThanOrEqualTo("1.15"))
	streamJSON(job, w, true)
	job.Setenv("since", r.Form.Get("since"))
	job.Setenv("until", r.Form.Get("until"))
	return job.Run()
}

func getImagesJSON(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 (
		err  error
		outs *engine.Table
		job  = eng.Job("images")
	)

	job.Setenv("filters", r.Form.Get("filters"))
	// FIXME this parameter could just be a match filter
	job.Setenv("filter", r.Form.Get("filter"))
	job.Setenv("all", r.Form.Get("all"))

	if version.GreaterThanOrEqualTo("1.7") {
		streamJSON(job, w, false)
	} else if outs, err = job.Stdout.AddListTable(); err != nil {
		return err
	}

	if err := job.Run(); err != nil {
		return err
	}

	if version.LessThan("1.7") && outs != nil { // Convert to legacy format
		outsLegacy := engine.NewTable("Created", 0)
		for _, out := range outs.Data {
			for _, repoTag := range out.GetList("RepoTags") {
				repo, tag := parsers.ParseRepositoryTag(repoTag)
				outLegacy := &engine.Env{}
				outLegacy.Set("Repository", repo)
				outLegacy.SetJson("Tag", tag)
				outLegacy.Set("Id", out.Get("Id"))
				outLegacy.SetInt64("Created", out.GetInt64("Created"))
				outLegacy.SetInt64("Size", out.GetInt64("Size"))
				outLegacy.SetInt64("VirtualSize", out.GetInt64("VirtualSize"))
				outsLegacy.Add(outLegacy)
			}
		}
		w.Header().Set("Content-Type", "application/json")
		if _, err := outsLegacy.WriteListTo(w); err != nil {
			return err
		}
	}
	return nil
}

func getContainersLogs(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
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	var (
		inspectJob = eng.Job("container_inspect", vars["name"])
		logsJob    = eng.Job("logs", vars["name"])
		c, err     = inspectJob.Stdout.AddEnv()
	)
	if err != nil {
		return err
	}
	logsJob.Setenv("follow", r.Form.Get("follow"))
	logsJob.Setenv("tail", r.Form.Get("tail"))
	logsJob.Setenv("stdout", r.Form.Get("stdout"))
	logsJob.Setenv("stderr", r.Form.Get("stderr"))
	logsJob.Setenv("timestamps", r.Form.Get("timestamps"))
	// Validate args here, because we can't return not StatusOK after job.Run() call
	stdout, stderr := logsJob.GetenvBool("stdout"), logsJob.GetenvBool("stderr")
	if !(stdout || stderr) {
		return fmt.Errorf("Bad parameters: you must choose at least one stream")
	}
	if err = inspectJob.Run(); err != nil {
		return err
	}

	var outStream, errStream io.Writer
	outStream = utils.NewWriteFlusher(w)

	if c.GetSubEnv("Config") != nil && !c.GetSubEnv("Config").GetBool("Tty") && version.GreaterThanOrEqualTo("1.6") {
		errStream = utils.NewStdWriter(outStream, utils.Stderr)
		outStream = utils.NewStdWriter(outStream, utils.Stdout)
	} else {
		errStream = outStream
	}

	logsJob.Stdout.Add(outStream)
	logsJob.Stderr.Set(errStream)
	if err := logsJob.Run(); err != nil {
		fmt.Fprintf(outStream, "Error running logs job: %s\n", err)
	}
	return nil
}

func (s *Server) postContainersKill(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}
	if err := parseForm(r); err != nil {
		return err
	}

	var sig uint64
	name := vars["name"]

	// If we have a signal, look at it. Otherwise, do nothing
	if sigStr := r.Form.Get("signal"); sigStr != "" {
		// Check if we passed the signal as a number:
		// The largest legal signal is 31, so let's parse on 5 bits
		sigN, err := strconv.ParseUint(sigStr, 10, 5)
		if err != nil {
			// The signal is not a number, treat it as a string (either like
			// "KILL" or like "SIGKILL")
			syscallSig, ok := signal.SignalMap[strings.TrimPrefix(sigStr, "SIG")]
			if !ok {
				return fmt.Errorf("Invalid signal: %s", sigStr)
			}
			sig = uint64(syscallSig)
		} else {
			sig = sigN
		}

		if sig == 0 {
			return fmt.Errorf("Invalid signal: %s", sigStr)
		}
	}

	if err := s.daemon.ContainerKill(name, sig); err != nil {
		_, isStopped := err.(daemon.ErrContainerNotRunning)
		// Return error that's not caused because the container is stopped.
		// Return error if the container is not running and the api is >= 1.20
		// to keep backwards compatibility.
		if version.GreaterThanOrEqualTo("1.20") || !isStopped {
			return fmt.Errorf("Cannot kill container %s: %v", name, err)
		}
	}

	w.WriteHeader(http.StatusNoContent)
	return nil
}

func (s *Server) postCommit(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}

	if err := checkForJson(r); err != nil {
		return err
	}

	cont := r.Form.Get("container")

	pause := boolValue(r, "pause")
	if r.FormValue("pause") == "" && version.GreaterThanOrEqualTo("1.13") {
		pause = true
	}

	c, _, err := runconfig.DecodeContainerConfig(r.Body)
	if err != nil && err != io.EOF { //Do not fail if body is empty.
		return err
	}

	if c == nil {
		c = &runconfig.Config{}
	}

	containerCommitConfig := &daemon.ContainerCommitConfig{
		Pause:   pause,
		Repo:    r.Form.Get("repo"),
		Tag:     r.Form.Get("tag"),
		Author:  r.Form.Get("author"),
		Comment: r.Form.Get("comment"),
		Changes: r.Form["changes"],
		Config:  c,
	}

	imgID, err := builder.Commit(s.daemon, cont, containerCommitConfig)
	if err != nil {
		return err
	}

	return writeJSON(w, http.StatusCreated, &types.ContainerCommitResponse{
		ID: imgID,
	})
}

func (s *Server) postContainersAttach(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	cont, err := s.daemon.Get(vars["name"])
	if err != nil {
		return err
	}

	inStream, outStream, err := hijackServer(w)
	if err != nil {
		return err
	}
	defer closeStreams(inStream, outStream)

	if _, ok := r.Header["Upgrade"]; ok {
		fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
	} else {
		fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
	}

	attachWithLogsConfig := &daemon.ContainerAttachWithLogsConfig{
		InStream:  inStream,
		OutStream: outStream,
		UseStdin:  boolValue(r, "stdin"),
		UseStdout: boolValue(r, "stdout"),
		UseStderr: boolValue(r, "stderr"),
		Logs:      boolValue(r, "logs"),
		Stream:    boolValue(r, "stream"),
		Multiplex: version.GreaterThanOrEqualTo("1.6"),
	}

	if err := s.daemon.ContainerAttachWithLogs(cont, attachWithLogsConfig); err != nil {
		fmt.Fprintf(outStream, "Error attaching: %s\n", err)
	}

	return nil
}

func (s *Server) getVersion(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	v := &types.Version{
		Version:    dockerversion.VERSION,
		ApiVersion: api.Version,
		GitCommit:  dockerversion.GITCOMMIT,
		GoVersion:  runtime.Version(),
		Os:         runtime.GOOS,
		Arch:       runtime.GOARCH,
	}

	if version.GreaterThanOrEqualTo("1.19") {
		v.Experimental = utils.ExperimentalBuild()
	}

	if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
		v.KernelVersion = kernelVersion.String()
	}

	return writeJSON(w, http.StatusOK, v)
}

func getImagesJSON(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
	}

	imagesConfig := graph.ImagesConfig{
		Filters: r.Form.Get("filters"),
		// FIXME this parameter could just be a match filter
		Filter: r.Form.Get("filter"),
		All:    toBool(r.Form.Get("all")),
	}

	images, err := getDaemon(eng).Repositories().Images(&imagesConfig)
	if err != nil {
		return err
	}

	if version.GreaterThanOrEqualTo("1.7") {
		return writeJSON(w, http.StatusOK, images)
	}

	legacyImages := []types.LegacyImage{}

	for _, image := range images {
		for _, repoTag := range image.RepoTags {
			repo, tag := parsers.ParseRepositoryTag(repoTag)
			legacyImage := types.LegacyImage{
				Repository:  repo,
				Tag:         tag,
				ID:          image.ID,
				Created:     image.Created,
				Size:        image.Size,
				VirtualSize: image.VirtualSize,
			}
			legacyImages = append(legacyImages, legacyImage)
		}
	}

	return writeJSON(w, http.StatusOK, legacyImages)
}

func getContainersJSON(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 (
		err  error
		outs *engine.Table
		job  = eng.Job("containers")
	)

	job.Setenv("all", r.Form.Get("all"))
	job.Setenv("size", r.Form.Get("size"))
	job.Setenv("since", r.Form.Get("since"))
	job.Setenv("before", r.Form.Get("before"))
	job.Setenv("limit", r.Form.Get("limit"))
	job.Setenv("filters", r.Form.Get("filters"))

	if version.GreaterThanOrEqualTo("1.5") {
		streamJSON(job, w, false)
	} else if outs, err = job.Stdout.AddTable(); err != nil {
		return err
	}
	if err = job.Run(); err != nil {
		return err
	}
	if version.LessThan("1.5") { // Convert to legacy format
		for _, out := range outs.Data {
			ports := engine.NewTable("", 0)
			ports.ReadListFrom([]byte(out.Get("Ports")))
			out.Set("Ports", api.DisplayablePorts(ports))
		}
		w.Header().Set("Content-Type", "application/json")
		if _, err = outs.WriteListTo(w); err != nil {
			return err
		}
	}
	return nil
}