コード例 #1
0
ファイル: container_routes.go プロジェクト: slowreadr/docker
func (s *containerRouter) postContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	err := httputils.ParseForm(r)
	if err != nil {
		return err
	}
	containerName := vars["name"]

	_, upgrade := r.Header["Upgrade"]

	keys := []byte{}
	detachKeys := r.FormValue("detachKeys")
	if detachKeys != "" {
		keys, err = term.ToBytes(detachKeys)
		if err != nil {
			logrus.Warnf("Invalid escape keys provided (%s) using default : ctrl-p ctrl-q", detachKeys)
		}
	}

	attachWithLogsConfig := &daemon.ContainerAttachWithLogsConfig{
		Hijacker:   w.(http.Hijacker),
		Upgrade:    upgrade,
		UseStdin:   httputils.BoolValue(r, "stdin"),
		UseStdout:  httputils.BoolValue(r, "stdout"),
		UseStderr:  httputils.BoolValue(r, "stderr"),
		Logs:       httputils.BoolValue(r, "logs"),
		Stream:     httputils.BoolValue(r, "stream"),
		DetachKeys: keys,
	}

	return s.backend.ContainerAttachWithLogs(containerName, attachWithLogsConfig)
}
コード例 #2
0
ファイル: container_routes.go プロジェクト: gao-feng/docker
func (s *containerRouter) postContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	err := httputils.ParseForm(r)
	if err != nil {
		return err
	}
	containerName := vars["name"]

	_, upgrade := r.Header["Upgrade"]

	keys := []byte{}
	detachKeys := r.FormValue("detachKeys")
	if detachKeys != "" {
		keys, err = term.ToBytes(detachKeys)
		if err != nil {
			logrus.Warnf("Invalid escape keys provided (%s) using default : ctrl-p ctrl-q", detachKeys)
		}
	}

	hijacker, ok := w.(http.Hijacker)
	if !ok {
		return derr.ErrorCodeNoHijackConnection.WithArgs(containerName)
	}

	setupStreams := func() (io.ReadCloser, io.Writer, io.Writer, error) {
		conn, _, err := hijacker.Hijack()
		if err != nil {
			return nil, nil, nil, err
		}

		// set raw mode
		conn.Write([]byte{})

		if upgrade {
			fmt.Fprintf(conn, "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(conn, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		closer := func() error {
			httputils.CloseStreams(conn)
			return nil
		}
		return ioutils.NewReadCloserWrapper(conn, closer), conn, conn, nil
	}

	attachConfig := &backend.ContainerAttachConfig{
		GetStreams: setupStreams,
		UseStdin:   httputils.BoolValue(r, "stdin"),
		UseStdout:  httputils.BoolValue(r, "stdout"),
		UseStderr:  httputils.BoolValue(r, "stderr"),
		Logs:       httputils.BoolValue(r, "logs"),
		Stream:     httputils.BoolValue(r, "stream"),
		DetachKeys: keys,
		MuxStreams: true,
	}

	return s.backend.ContainerAttach(containerName, attachConfig)
}
コード例 #3
0
ファイル: container_routes.go プロジェクト: gao-feng/docker
func (s *containerRouter) wsContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	containerName := vars["name"]

	var keys []byte
	var err error
	detachKeys := r.FormValue("detachKeys")
	if detachKeys != "" {
		keys, err = term.ToBytes(detachKeys)
		if err != nil {
			logrus.Warnf("Invalid escape keys provided (%s) using default : ctrl-p ctrl-q", detachKeys)
		}
	}

	done := make(chan struct{})
	started := make(chan struct{})

	setupStreams := func() (io.ReadCloser, io.Writer, io.Writer, error) {
		wsChan := make(chan *websocket.Conn)
		h := func(conn *websocket.Conn) {
			wsChan <- conn
			<-done
		}

		srv := websocket.Server{Handler: h, Handshake: nil}
		go func() {
			close(started)
			srv.ServeHTTP(w, r)
		}()

		conn := <-wsChan
		return conn, conn, conn, nil
	}

	attachConfig := &backend.ContainerAttachConfig{
		GetStreams: setupStreams,
		Logs:       httputils.BoolValue(r, "logs"),
		Stream:     httputils.BoolValue(r, "stream"),
		DetachKeys: keys,
		UseStdin:   true,
		UseStdout:  true,
		UseStderr:  true,
		MuxStreams: false, // TODO: this should be true since it's a single stream for both stdout and stderr
	}

	err = s.backend.ContainerAttach(containerName, attachConfig)
	close(done)
	select {
	case <-started:
		logrus.Errorf("Error attaching websocket: %s", err)
		return nil
	default:
	}
	return err
}
コード例 #4
0
ファイル: attach.go プロジェクト: SUSE/docker.mirror
// ContainerAttach attaches to logs according to the config passed in. See ContainerAttachConfig.
func (daemon *Daemon) ContainerAttach(prefixOrName string, c *backend.ContainerAttachConfig) error {
	keys := []byte{}
	var err error
	if c.DetachKeys != "" {
		keys, err = term.ToBytes(c.DetachKeys)
		if err != nil {
			return fmt.Errorf("Invalid escape keys (%s) provided", c.DetachKeys)
		}
	}

	container, err := daemon.GetContainer(prefixOrName)
	if err != nil {
		return err
	}
	if container.IsPaused() {
		err := fmt.Errorf("Container %s is paused. Unpause the container before attach", prefixOrName)
		return errors.NewRequestConflictError(err)
	}

	inStream, outStream, errStream, err := c.GetStreams()
	if err != nil {
		return err
	}
	defer inStream.Close()

	if !container.Config.Tty && c.MuxStreams {
		errStream = stdcopy.NewStdWriter(errStream, stdcopy.Stderr)
		outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
	}

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

	if c.UseStdin {
		stdin = inStream
	}
	if c.UseStdout {
		stdout = outStream
	}
	if c.UseStderr {
		stderr = errStream
	}

	if err := daemon.containerAttach(container, stdin, stdout, stderr, c.Logs, c.Stream, keys); err != nil {
		fmt.Fprintf(outStream, "Error attaching: %s\n", err)
	}
	return nil
}
コード例 #5
0
ファイル: exec.go プロジェクト: CWSpear/docker
// ContainerExecCreate sets up an exec in a running container.
func (d *Daemon) ContainerExecCreate(name string, config *types.ExecConfig) (string, error) {
	container, err := d.getActiveContainer(name)
	if err != nil {
		return "", err
	}

	cmd := strslice.StrSlice(config.Cmd)
	entrypoint, args := d.getEntrypointAndArgs(strslice.StrSlice{}, cmd)

	keys := []byte{}
	if config.DetachKeys != "" {
		keys, err = term.ToBytes(config.DetachKeys)
		if err != nil {
			err = fmt.Errorf("Invalid escape keys (%s) provided", config.DetachKeys)
			return "", err
		}
	}

	execConfig := exec.NewConfig()
	execConfig.OpenStdin = config.AttachStdin
	execConfig.OpenStdout = config.AttachStdout
	execConfig.OpenStderr = config.AttachStderr
	execConfig.ContainerID = container.ID
	execConfig.DetachKeys = keys
	execConfig.Entrypoint = entrypoint
	execConfig.Args = args
	execConfig.Tty = config.Tty
	execConfig.Privileged = config.Privileged
	execConfig.User = config.User
	execConfig.Env = []string{
		"PATH=" + system.DefaultPathEnv,
	}
	if config.Tty {
		execConfig.Env = append(execConfig.Env, "TERM=xterm")
	}
	execConfig.Env = utils.ReplaceOrAppendEnvValues(execConfig.Env, container.Config.Env)
	if len(execConfig.User) == 0 {
		execConfig.User = container.Config.User
	}

	d.registerExecCommand(container, execConfig)

	d.LogContainerEvent(container, "exec_create: "+execConfig.Entrypoint+" "+strings.Join(execConfig.Args, " "))

	return execConfig.ID, nil
}
コード例 #6
0
ファイル: container_routes.go プロジェクト: slowreadr/docker
func (s *containerRouter) wsContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	containerName := vars["name"]

	if !s.backend.Exists(containerName) {
		return derr.ErrorCodeNoSuchContainer.WithArgs(containerName)
	}

	var keys []byte
	var err error
	detachKeys := r.FormValue("detachKeys")
	if detachKeys != "" {
		keys, err = term.ToBytes(detachKeys)
		if err != nil {
			logrus.Warnf("Invalid escape keys provided (%s) using default : ctrl-p ctrl-q", detachKeys)
		}
	}

	h := websocket.Handler(func(ws *websocket.Conn) {
		defer ws.Close()

		wsAttachWithLogsConfig := &daemon.ContainerWsAttachWithLogsConfig{
			InStream:   ws,
			OutStream:  ws,
			ErrStream:  ws,
			Logs:       httputils.BoolValue(r, "logs"),
			Stream:     httputils.BoolValue(r, "stream"),
			DetachKeys: keys,
		}

		if err := s.backend.ContainerWsAttachWithLogs(containerName, wsAttachWithLogsConfig); err != nil {
			logrus.Errorf("Error attaching websocket: %s", utils.GetErrorMessage(err))
		}
	})
	ws := websocket.Server{Handler: h, Handshake: nil}
	ws.ServeHTTP(w, r)

	return nil
}
コード例 #7
0
ファイル: exec.go プロジェクト: vsayer/docker
// ContainerExecCreate sets up an exec in a running container.
func (d *Daemon) ContainerExecCreate(config *types.ExecConfig) (string, error) {
	container, err := d.getActiveContainer(config.Container)
	if err != nil {
		return "", err
	}

	cmd := strslice.New(config.Cmd...)
	entrypoint, args := d.getEntrypointAndArgs(strslice.New(), cmd)

	keys := []byte{}
	if config.DetachKeys != "" {
		keys, err = term.ToBytes(config.DetachKeys)
		if err != nil {
			logrus.Warnf("Wrong escape keys provided (%s, error: %s) using default : ctrl-p ctrl-q", config.DetachKeys, err.Error())
		}
	}

	processConfig := &execdriver.ProcessConfig{
		CommonProcessConfig: execdriver.CommonProcessConfig{
			Tty:        config.Tty,
			Entrypoint: entrypoint,
			Arguments:  args,
		},
	}
	setPlatformSpecificExecProcessConfig(config, container, processConfig)

	execConfig := exec.NewConfig()
	execConfig.OpenStdin = config.AttachStdin
	execConfig.OpenStdout = config.AttachStdout
	execConfig.OpenStderr = config.AttachStderr
	execConfig.ProcessConfig = processConfig
	execConfig.ContainerID = container.ID
	execConfig.DetachKeys = keys

	d.registerExecCommand(container, execConfig)

	d.LogContainerEvent(container, "exec_create: "+execConfig.ProcessConfig.Entrypoint+" "+strings.Join(execConfig.ProcessConfig.Arguments, " "))

	return execConfig.ID, nil
}
コード例 #8
0
ファイル: exec.go プロジェクト: vmware/vic
// ContainerExecCreate sets up an exec in a running container.
func (d *Daemon) ContainerExecCreate(config *types.ExecConfig) (string, error) {
	container, err := d.getActiveContainer(config.Container)
	if err != nil {
		return "", err
	}

	cmd := strslice.StrSlice(config.Cmd)
	entrypoint, args := d.getEntrypointAndArgs(strslice.StrSlice{}, cmd)

	keys := []byte{}
	if config.DetachKeys != "" {
		keys, err = term.ToBytes(config.DetachKeys)
		if err != nil {
			logrus.Warnf("Wrong escape keys provided (%s, error: %s) using default : ctrl-p ctrl-q", config.DetachKeys, err.Error())
		}
	}

	execConfig := exec.NewConfig()
	execConfig.OpenStdin = config.AttachStdin
	execConfig.OpenStdout = config.AttachStdout
	execConfig.OpenStderr = config.AttachStderr
	execConfig.ContainerID = container.ID
	execConfig.DetachKeys = keys
	execConfig.Entrypoint = entrypoint
	execConfig.Args = args
	execConfig.Tty = config.Tty
	execConfig.Privileged = config.Privileged
	execConfig.User = config.User
	if len(execConfig.User) == 0 {
		execConfig.User = container.Config.User
	}

	d.registerExecCommand(container, execConfig)

	d.LogContainerEvent(container, "exec_create: "+execConfig.Entrypoint+" "+strings.Join(execConfig.Args, " "))

	return execConfig.ID, nil
}