Example #1
0
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var disconnect types.NetworkDisconnect
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	nw, err := n.daemon.FindNetwork(vars["id"])
	if err != nil {
		return err
	}

	container, err := n.daemon.Get(disconnect.Container)
	if err != nil {
		return fmt.Errorf("invalid container %s : %v", container, err)
	}
	return container.DisconnectFromNetwork(nw)
}
Example #2
0
// debugRequestMiddleware dumps the request to logger
func debugRequestMiddleware(handler httputils.APIFunc) httputils.APIFunc {
	return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
		logrus.Debugf("%s %s", r.Method, r.RequestURI)

		if r.Method == "POST" {
			if err := httputils.CheckForJSON(r); err == nil {
				var buf bytes.Buffer
				if _, err := buf.ReadFrom(r.Body); err == nil {
					r.Body.Close()
					r.Body = ioutil.NopCloser(&buf)
					var postForm map[string]interface{}
					if err := json.Unmarshal(buf.Bytes(), &postForm); err == nil {
						if _, exists := postForm["password"]; exists {
							postForm["password"] = "******"
						}
						formStr, errMarshal := json.Marshal(postForm)
						if errMarshal == nil {
							logrus.Debugf("form data: %s", string(formStr))
						} else {
							logrus.Debugf("form data: %q", postForm)
						}
					}
				}
			}
		}

		return handler(ctx, w, r, vars)
	}
}
Example #3
0
func (s *containerRouter) postContainersStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	// If contentLength is -1, we can assumed chunked encoding
	// or more technically that the length is unknown
	// https://golang.org/src/pkg/net/http/request.go#L139
	// net/http otherwise seems to swallow any headers related to chunked encoding
	// including r.TransferEncoding
	// allow a nil body for backwards compatibility

	version := httputils.VersionFromContext(ctx)
	var hostConfig *container.HostConfig
	// A non-nil json object is at least 7 characters.
	if r.ContentLength > 7 || r.ContentLength == -1 {
		if versions.GreaterThanOrEqualTo(version, "1.24") {
			return validationError{fmt.Errorf("starting container with non-empty request body was deprecated since v1.10 and removed in v1.12")}
		}

		if err := httputils.CheckForJSON(r); err != nil {
			return err
		}

		c, err := s.decoder.DecodeHostConfig(r.Body)
		if err != nil {
			return err
		}
		hostConfig = c
	}

	validateHostname := versions.GreaterThanOrEqualTo(version, "1.24")
	if err := s.backend.ContainerStart(vars["name"], hostConfig, validateHostname); err != nil {
		return err
	}
	w.WriteHeader(http.StatusNoContent)
	return nil
}
Example #4
0
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

	version := httputils.VersionFromContext(ctx)
	var updateConfig container.UpdateConfig

	decoder := json.NewDecoder(r.Body)
	if err := decoder.Decode(&updateConfig); err != nil {
		return err
	}

	hostConfig := &container.HostConfig{
		Resources:     updateConfig.Resources,
		RestartPolicy: updateConfig.RestartPolicy,
	}

	name := vars["name"]
	validateHostname := versions.GreaterThanOrEqualTo(version, "1.24")
	warnings, err := s.backend.ContainerUpdate(name, hostConfig, validateHostname)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusOK, &types.ContainerUpdateResponse{
		Warnings: warnings,
	})
}
Example #5
0
func (s *containerRouter) postContainerExecCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}
	name := vars["name"]

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

	if len(execConfig.Cmd) == 0 {
		return fmt.Errorf("No exec command specified")
	}

	// Register an instance of Exec in container.
	id, err := s.backend.ContainerExecCreate(name, execConfig)
	if err != nil {
		logrus.Errorf("Error setting up exec command in container %s: %v", name, err)
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerExecCreateResponse{
		ID: id,
	})
}
Example #6
0
func (s *router) postContainersStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	// If contentLength is -1, we can assumed chunked encoding
	// or more technically that the length is unknown
	// https://golang.org/src/pkg/net/http/request.go#L139
	// net/http otherwise seems to swallow any headers related to chunked encoding
	// including r.TransferEncoding
	// allow a nil body for backwards compatibility
	var hostConfig *runconfig.HostConfig
	if r.Body != nil && (r.ContentLength > 0 || r.ContentLength == -1) {
		if err := httputils.CheckForJSON(r); err != nil {
			return err
		}

		c, err := runconfig.DecodeHostConfig(r.Body)
		if err != nil {
			return err
		}

		hostConfig = c
	}

	if err := s.daemon.ContainerStart(vars["name"], hostConfig); err != nil {
		return err
	}
	w.WriteHeader(http.StatusNoContent)
	return nil
}
Example #7
0
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var disconnect types.NetworkDisconnect
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	nw, err := n.backend.FindNetwork(vars["id"])
	if err != nil {
		return err
	}

	if nw.Info().Dynamic() {
		err := fmt.Errorf("operation not supported for swarm scoped networks")
		return errors.NewRequestForbiddenError(err)
	}

	return n.backend.DisconnectContainerFromNetwork(disconnect.Container, nw, disconnect.Force)
}
Example #8
0
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var create types.NetworkCreateRequest

	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	if _, err := n.clusterProvider.GetNetwork(create.Name); err == nil {
		return libnetwork.NetworkNameError(create.Name)
	}

	nw, err := n.backend.CreateNetwork(create)
	if err != nil {
		if _, ok := err.(libnetwork.ManagerRedirectError); !ok {
			return err
		}
		id, err := n.clusterProvider.CreateNetwork(create)
		if err != nil {
			return err
		}
		nw = &types.NetworkCreateResponse{ID: id}
	}

	return httputils.WriteJSON(w, http.StatusCreated, nw)
}
Example #9
0
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

	var updateConfig container.UpdateConfig

	decoder := json.NewDecoder(r.Body)
	if err := decoder.Decode(&updateConfig); err != nil {
		return err
	}

	hostConfig := &container.HostConfig{
		Resources:     updateConfig.Resources,
		RestartPolicy: updateConfig.RestartPolicy,
	}

	name := vars["name"]
	resp, err := s.backend.ContainerUpdate(name, hostConfig)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusOK, resp)
}
Example #10
0
File: copy.go Project: m1911/hyper
// postContainersCopy is deprecated in favor of getContainersArchive.
func (s *router) postContainersCopy(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	if cfg.Resource == "" {
		return fmt.Errorf("Path cannot be empty")
	}

	data, err := s.daemon.ContainerCopy(vars["name"], cfg.Resource)
	if err != nil {
		if strings.Contains(strings.ToLower(err.Error()), "no such id") {
			w.WriteHeader(http.StatusNotFound)
			return nil
		}
		if os.IsNotExist(err) {
			return fmt.Errorf("Could not find the file %s in container %s", cfg.Resource, vars["name"])
		}
		return err
	}
	defer data.Close()

	w.Header().Set("Content-Type", "application/x-tar")
	if _, err := io.Copy(w, data); err != nil {
		return err
	}

	return nil
}
Example #11
0
func (s *containerRouter) postContainersCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

	name := r.Form.Get("name")

	config, hostConfig, networkingConfig, err := s.decoder.DecodeConfig(r.Body)
	if err != nil {
		return err
	}
	version := httputils.VersionFromContext(ctx)
	adjustCPUShares := versions.LessThan(version, "1.19")

	ccr, err := s.backend.ContainerCreate(types.ContainerCreateConfig{
		Name:             name,
		Config:           config,
		HostConfig:       hostConfig,
		NetworkingConfig: networkingConfig,
		AdjustCPUShares:  adjustCPUShares,
	})
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, ccr)
}
Example #12
0
// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func (s *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	version := httputils.VersionFromContext(ctx)
	if versions.GreaterThan(version, "1.21") {
		if err := httputils.CheckForJSON(r); err != nil {
			return err
		}
	}

	var (
		execName                  = vars["name"]
		stdin, inStream           io.ReadCloser
		stdout, stderr, outStream io.Writer
	)

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

	if exists, err := s.backend.ExecExists(execName); !exists {
		return err
	}

	if !execStartCheck.Detach {
		var err error
		// Setting up the streaming http interface.
		inStream, outStream, err = httputils.HijackConnection(w)
		if err != nil {
			return err
		}
		defer httputils.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")
		}

		stdin = inStream
		stdout = outStream
		if !execStartCheck.Tty {
			stderr = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
			stdout = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
		}
	}

	// Now run the user process in container.
	if err := s.backend.ContainerExecStart(execName, stdin, stdout, stderr); err != nil {
		if execStartCheck.Detach {
			return err
		}
		stdout.Write([]byte(err.Error() + "\r\n"))
		logrus.Errorf("Error running exec in container: %v", err)
	}
	return nil
}
Example #13
0
func (s *router) postCommit(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	pause := httputils.BoolValue(r, "pause")
	version := httputils.VersionFromContext(ctx)
	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 = &container.Config{}
	}

	if !s.daemon.Exists(cname) {
		return derr.ErrorCodeNoSuchContainer.WithArgs(cname)
	}

	newConfig, err := dockerfile.BuildFromConfig(c, r.Form["changes"])
	if err != nil {
		return err
	}

	commitCfg := &types.ContainerCommitConfig{
		Pause:        pause,
		Repo:         r.Form.Get("repo"),
		Tag:          r.Form.Get("tag"),
		Author:       r.Form.Get("author"),
		Comment:      r.Form.Get("comment"),
		Config:       newConfig,
		MergeConfigs: true,
	}

	imgID, err := s.daemon.Commit(cname, commitCfg)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerCommitResponse{
		ID: string(imgID),
	})
}
Example #14
0
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var disconnect types.NetworkDisconnect
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	return n.backend.DisconnectContainerFromNetwork(disconnect.Container, vars["id"], disconnect.Force)
}
Example #15
0
func (n *networkRouter) postNetworkConnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var connect types.NetworkConnect
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	return n.backend.ConnectContainerToNetwork(connect.Container, vars["id"], connect.EndpointConfig)
}
Example #16
0
func (s *imageRouter) postCommit(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	pause := httputils.BoolValue(r, "pause")
	version := httputils.VersionFromContext(ctx)
	if r.FormValue("pause") == "" && versions.GreaterThanOrEqualTo(version, "1.13") {
		pause = true
	}

	c, _, _, err := s.decoder.DecodeConfig(r.Body)
	if err != nil && err != io.EOF { //Do not fail if body is empty.
		return err
	}
	if c == nil {
		c = &container.Config{}
	}

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

	imgID, err := s.backend.Commit(cname, commitCfg)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerCommitResponse{
		ID: string(imgID),
	})
}
Example #17
0
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var create types.NetworkCreate
	var warning string

	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	if runconfig.IsPreDefinedNetwork(create.Name) {
		return httputils.WriteJSON(w, http.StatusForbidden,
			fmt.Sprintf("%s is a pre-defined network and cannot be created", create.Name))
	}

	nw, err := n.backend.GetNetworkByName(create.Name)
	if _, ok := err.(libnetwork.ErrNoSuchNetwork); err != nil && !ok {
		return err
	}
	if nw != nil {
		if create.CheckDuplicate {
			return libnetwork.NetworkNameError(create.Name)
		}
		warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
	}

	nw, err = n.backend.CreateNetwork(create.Name, create.Driver, create.IPAM, create.Options, create.Internal, create.EnableIPv6)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, &types.NetworkCreateResponse{
		ID:      nw.ID(),
		Warning: warning,
	})
}
Example #18
0
func (v *volumeRouter) postVolumesCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	volume, err := v.backend.VolumeCreate(req.Name, req.Driver, req.DriverOpts, req.Labels)
	if err != nil {
		return err
	}
	return httputils.WriteJSON(w, http.StatusCreated, volume)
}
Example #19
0
func (n *networkRouter) postNetworksPrune(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	pruneReport, err := n.backend.NetworksPrune(&cfg)
	if err != nil {
		return err
	}
	return httputils.WriteJSON(w, http.StatusOK, pruneReport)
}
Example #20
0
// debugRequestMiddleware dumps the request to logger
func debugRequestMiddleware(handler httputils.APIFunc) httputils.APIFunc {
	return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
		logrus.Debugf("%s %s", r.Method, r.RequestURI)

		if r.Method != "POST" {
			return handler(ctx, w, r, vars)
		}
		if err := httputils.CheckForJSON(r); err != nil {
			return handler(ctx, w, r, vars)
		}
		maxBodySize := 4096 // 4KB
		if r.ContentLength > int64(maxBodySize) {
			return handler(ctx, w, r, vars)
		}

		body := r.Body
		bufReader := bufio.NewReaderSize(body, maxBodySize)
		r.Body = ioutils.NewReadCloserWrapper(bufReader, func() error { return body.Close() })

		b, err := bufReader.Peek(maxBodySize)
		if err != io.EOF {
			// either there was an error reading, or the buffer is full (in which case the request is too large)
			return handler(ctx, w, r, vars)
		}

		var postForm map[string]interface{}
		if err := json.Unmarshal(b, &postForm); err == nil {
			if _, exists := postForm["password"]; exists {
				postForm["password"] = "******"
			}
			formStr, errMarshal := json.Marshal(postForm)
			if errMarshal == nil {
				logrus.Debugf("form data: %s", string(formStr))
			} else {
				logrus.Debugf("form data: %q", postForm)
			}
		}

		return handler(ctx, w, r, vars)
	}
}
Example #21
0
func (n *networkRouter) postNetworkConnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var connect types.NetworkConnect
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	nw, err := n.daemon.FindNetwork(vars["id"])
	if err != nil {
		return err
	}

	return n.daemon.ConnectContainerToNetwork(connect.Container, nw.Name())
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var create types.NetworkCreate

	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	nw, err := n.backend.CreateNetwork(create)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, nw)
}
Example #23
0
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

	_, hostConfig, _, err := runconfig.DecodeContainerConfig(r.Body)
	if err != nil {
		return err
	}

	name := vars["name"]
	warnings, err := s.backend.ContainerUpdate(name, hostConfig)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusOK, &types.ContainerUpdateResponse{
		Warnings: warnings,
	})
}
Example #24
0
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var create types.NetworkCreate
	var warning string

	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

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

	nw, err := n.daemon.GetNetwork(create.Name, daemon.NetworkByName)
	if _, ok := err.(libnetwork.ErrNoSuchNetwork); err != nil && !ok {
		return err
	}
	if nw != nil {
		if create.CheckDuplicate {
			return libnetwork.NetworkNameError(create.Name)
		}
		warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
	}

	nw, err = n.daemon.CreateNetwork(create.Name, create.Driver, create.IPAM, create.Options)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, &types.NetworkCreateResponse{
		ID:      nw.ID(),
		Warning: warning,
	})
}
Example #25
0
func (s *router) postContainersCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	if err := httputils.CheckForJSON(r); err != nil {
		return err
	}

	name := r.Form.Get("name")

	config, hostConfig, err := runconfig.DecodeContainerConfig(r.Body)
	if err != nil {
		return err
	}
	version := httputils.VersionFromContext(ctx)
	adjustCPUShares := version.LessThan("1.19")

	ccr, err := s.daemon.ContainerCreate(name, config, hostConfig, adjustCPUShares)
	if err != nil {
		return err
	}

	return httputils.WriteJSON(w, http.StatusCreated, ccr)
}