Exemple #1
0
func (s *DockerServer) removeImage(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	s.iMut.RLock()
	var tag string
	if img, ok := s.imgIDs[id]; ok {
		id, tag = img, id
	}
	var tags []string
	for tag, taggedID := range s.imgIDs {
		if taggedID == id {
			tags = append(tags, tag)
		}
	}
	s.iMut.RUnlock()
	_, index, err := s.findImageByID(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	w.WriteHeader(http.StatusNoContent)
	s.iMut.Lock()
	defer s.iMut.Unlock()
	if len(tags) < 2 {
		s.images[index] = s.images[len(s.images)-1]
		s.images = s.images[:len(s.images)-1]
	}
	if tag != "" {
		delete(s.imgIDs, tag)
	}
}
Exemple #2
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func (s *DockerServer) createExecContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	exec := docker.ExecInspect{
		ID:        s.generateID(),
		Container: *container,
	}
	var params docker.CreateExecOptions
	err = json.NewDecoder(r.Body).Decode(&params)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	if len(params.Cmd) > 0 {
		exec.ProcessConfig.EntryPoint = params.Cmd[0]
		if len(params.Cmd) > 1 {
			exec.ProcessConfig.Arguments = params.Cmd[1:]
		}
	}
	s.execMut.Lock()
	s.execs = append(s.execs, &exec)
	s.execMut.Unlock()
	w.WriteHeader(http.StatusOK)
	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(map[string]string{"Id": exec.ID})
}
Exemple #3
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func (s *DockerServer) resizeExecContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	if _, err := s.getExec(id, false); err == nil {
		w.WriteHeader(http.StatusOK)
		return
	}
	w.WriteHeader(http.StatusNotFound)
}
Exemple #4
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func (s *DockerServer) inspectExecContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	if exec, err := s.getExec(id, true); err == nil {
		w.WriteHeader(http.StatusOK)
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(exec)
		return
	}
	w.WriteHeader(http.StatusNotFound)
}
Exemple #5
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func (s *DockerServer) inspectContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(container)
}
Exemple #6
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func (s *DockerServer) attachContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	hijacker, ok := w.(http.Hijacker)
	if !ok {
		http.Error(w, "cannot hijack connection", http.StatusInternalServerError)
		return
	}
	w.Header().Set("Content-Type", "application/vnd.docker.raw-stream")
	w.WriteHeader(http.StatusOK)
	conn, _, err := hijacker.Hijack()
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	wg := sync.WaitGroup{}
	if r.URL.Query().Get("stdin") == "1" {
		wg.Add(1)
		go func() {
			ioutil.ReadAll(conn)
			wg.Done()
		}()
	}
	outStream := stdcopy.NewStdWriter(conn, stdcopy.Stdout)
	if container.State.Running {
		fmt.Fprintf(outStream, "Container is running\n")
	} else {
		fmt.Fprintf(outStream, "Container is not running\n")
	}
	fmt.Fprintln(outStream, "What happened?")
	fmt.Fprintln(outStream, "Something happened")
	wg.Wait()
	if r.URL.Query().Get("stream") == "1" {
		for {
			time.Sleep(1e6)
			s.cMut.RLock()
			if !container.State.Running {
				s.cMut.RUnlock()
				break
			}
			s.cMut.RUnlock()
		}
	}
	conn.Close()
}
Exemple #7
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func (s *DockerServer) unpauseContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	s.cMut.Lock()
	defer s.cMut.Unlock()
	if !container.State.Paused {
		http.Error(w, "Container not paused", http.StatusBadRequest)
		return
	}
	w.WriteHeader(http.StatusNoContent)
	container.State.Paused = false
}
Exemple #8
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func (s *DockerServer) renameContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, index, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	copy := *container
	copy.Name = r.URL.Query().Get("name")
	s.cMut.Lock()
	defer s.cMut.Unlock()
	if s.containers[index].ID == copy.ID {
		s.containers[index] = &copy
	}
	w.WriteHeader(http.StatusNoContent)
}
Exemple #9
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func (s *DockerServer) inspectImage(w http.ResponseWriter, r *http.Request) {
	name := mux.Vars(r)["name"]
	s.iMut.RLock()
	defer s.iMut.RUnlock()
	if id, ok := s.imgIDs[name]; ok {
		for _, img := range s.images {
			if img.ID == id {
				w.Header().Set("Content-Type", "application/json")
				w.WriteHeader(http.StatusOK)
				json.NewEncoder(w).Encode(img)
				return
			}
		}
	}
	http.Error(w, "not found", http.StatusNotFound)
}
Exemple #10
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func (s *DockerServer) pushImage(w http.ResponseWriter, r *http.Request) {
	name := mux.Vars(r)["name"]
	tag := r.URL.Query().Get("tag")
	if tag != "" {
		name += ":" + tag
	}
	s.iMut.RLock()
	if _, ok := s.imgIDs[name]; !ok {
		s.iMut.RUnlock()
		http.Error(w, "No such image", http.StatusNotFound)
		return
	}
	s.iMut.RUnlock()
	fmt.Fprintln(w, "Pushing...")
	fmt.Fprintln(w, "Pushed")
}
Exemple #11
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func (s *DockerServer) stopContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	s.cMut.Lock()
	defer s.cMut.Unlock()
	if !container.State.Running {
		http.Error(w, "Container not running", http.StatusBadRequest)
		return
	}
	w.WriteHeader(http.StatusNoContent)
	container.State.Running = false
	s.notify(container)
}
Exemple #12
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func (s *DockerServer) removeContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	force := r.URL.Query().Get("force")
	_, index, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	if s.containers[index].State.Running && force != "1" {
		msg := "Error: API error (406): Impossible to remove a running container, please stop it first"
		http.Error(w, msg, http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusNoContent)
	s.cMut.Lock()
	defer s.cMut.Unlock()
	s.containers[index] = s.containers[len(s.containers)-1]
	s.containers = s.containers[:len(s.containers)-1]
}
Exemple #13
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func (s *DockerServer) tagImage(w http.ResponseWriter, r *http.Request) {
	name := mux.Vars(r)["name"]
	s.iMut.RLock()
	if _, ok := s.imgIDs[name]; !ok {
		s.iMut.RUnlock()
		http.Error(w, "No such image", http.StatusNotFound)
		return
	}
	s.iMut.RUnlock()
	s.iMut.Lock()
	defer s.iMut.Unlock()
	newRepo := r.URL.Query().Get("repo")
	newTag := r.URL.Query().Get("tag")
	if newTag != "" {
		newRepo += ":" + newTag
	}
	s.imgIDs[newRepo] = s.imgIDs[name]
	w.WriteHeader(http.StatusCreated)
}
Exemple #14
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func (s *DockerServer) waitContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	for {
		time.Sleep(1e6)
		s.cMut.RLock()
		if !container.State.Running {
			s.cMut.RUnlock()
			break
		}
		s.cMut.RUnlock()
	}
	result := map[string]int{"StatusCode": container.State.ExitCode}
	json.NewEncoder(w).Encode(result)
}
Exemple #15
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func (s *DockerServer) startExecContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	if exec, err := s.getExec(id, false); err == nil {
		s.execMut.Lock()
		exec.Running = true
		s.execMut.Unlock()
		if callback, ok := s.execCallbacks[id]; ok {
			callback()
			delete(s.execCallbacks, id)
		} else if callback, ok := s.execCallbacks["*"]; ok {
			callback()
			delete(s.execCallbacks, "*")
		}
		s.execMut.Lock()
		exec.Running = false
		s.execMut.Unlock()
		w.WriteHeader(http.StatusOK)
		return
	}
	w.WriteHeader(http.StatusNotFound)
}
Exemple #16
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func (s *DockerServer) topContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	if !container.State.Running {
		w.WriteHeader(http.StatusInternalServerError)
		fmt.Fprintf(w, "Container %s is not running", id)
		return
	}
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	result := docker.TopResult{
		Titles: []string{"UID", "PID", "PPID", "C", "STIME", "TTY", "TIME", "CMD"},
		Processes: [][]string{
			{"root", "7535", "7516", "0", "03:20", "?", "00:00:00", container.Path + " " + strings.Join(container.Args, " ")},
		},
	}
	json.NewEncoder(w).Encode(result)
}
Exemple #17
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func (s *DockerServer) statsContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	_, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	stream, _ := strconv.ParseBool(r.URL.Query().Get("stream"))
	callback := s.statsCallbacks[id]
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	encoder := json.NewEncoder(w)
	for {
		var stats docker.Stats
		if callback != nil {
			stats = callback(id)
		}
		encoder.Encode(stats)
		if !stream {
			break
		}
	}
}
Exemple #18
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func (s *DockerServer) startContainer(w http.ResponseWriter, r *http.Request) {
	id := mux.Vars(r)["id"]
	container, _, err := s.findContainer(id)
	if err != nil {
		http.Error(w, err.Error(), http.StatusNotFound)
		return
	}
	s.cMut.Lock()
	defer s.cMut.Unlock()
	defer r.Body.Close()
	var hostConfig docker.HostConfig
	err = json.NewDecoder(r.Body).Decode(&hostConfig)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	container.HostConfig = &hostConfig
	if container.State.Running {
		http.Error(w, "", http.StatusNotModified)
		return
	}
	container.State.Running = true
	s.notify(container)
}