func (self *version1_1) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error { switch requestType { case subcontainersApi: containerName := getContainerName(request) glog.V(4).Infof("Api - Subcontainers(%s)", containerName) // Get the query request. query, err := getContainerInfoRequest(r.Body) if err != nil { return err } // Get the subcontainers. containers, err := m.SubcontainersInfo(containerName, query) if err != nil { return fmt.Errorf("failed to get subcontainers for container %q with error: %s", containerName, err) } // Only output the containers as JSON. err = writeResult(containers, w) if err != nil { return err } return nil default: return self.baseVersion.HandleRequest(requestType, request, m, w, r) } }
func handleRequest(m manager.Manager, w http.ResponseWriter, r *http.Request) error { start := time.Now() request := r.URL.Path requestElements := strings.Split(r.URL.Path, "/") // Verify that we have all the elements we expect: // <empty>/api/<version>/<request type>[/<args...>] // [0] [1] [2] [3] [4...] if len(requestElements) < 4 { return fmt.Errorf("incomplete API request %q", request) } // Get all the element parts. emptyElement := requestElements[0] apiElement := requestElements[1] version := requestElements[2] requestType := requestElements[3] requestArgs := []string{} if len(requestElements) > 4 { requestArgs = requestElements[4:] } // The container name is the path after the requestType. containerName := path.Join("/", strings.Join(requestArgs, "/")) // Check elements. if len(emptyElement) != 0 { return fmt.Errorf("unexpected API request format %q", request) } if apiElement != "api" { return fmt.Errorf("invalid API request format %q", request) } if _, ok := supportedApiVersions[version]; !ok { return fmt.Errorf("unsupported API version %q", version) } switch { case requestType == machineApi: glog.V(2).Infof("Api - Machine") // Get the MachineInfo machineInfo, err := m.GetMachineInfo() if err != nil { return err } err = writeResult(machineInfo, w) if err != nil { return err } case requestType == containersApi: glog.V(2).Infof("Api - Container(%s)", containerName) // Get the query request. query, err := getContainerInfoRequest(r.Body) if err != nil { return err } // Get the container. cont, err := m.GetContainerInfo(containerName, query) if err != nil { return fmt.Errorf("failed to get container %q with error: %s", containerName, err) } // Only output the container as JSON. err = writeResult(cont, w) if err != nil { return err } case requestType == subcontainersApi: if version == version1_0 { return fmt.Errorf("request type of %q not supported in API version %q", requestType, version) } glog.V(2).Infof("Api - Subcontainers(%s)", containerName) // Get the query request. query, err := getContainerInfoRequest(r.Body) if err != nil { return err } // Get the subcontainers. containers, err := m.SubcontainersInfo(containerName, query) if err != nil { return fmt.Errorf("failed to get subcontainers for container %q with error: %s", containerName, err) } // Only output the containers as JSON. err = writeResult(containers, w) if err != nil { return err } case requestType == dockerApi: if version == version1_0 || version == version1_1 { return fmt.Errorf("request type of %q not supported in API version %q", requestType, version) } glog.V(2).Infof("Api - Docker(%s)", containerName) // Get the query request. query, err := getContainerInfoRequest(r.Body) if err != nil { return err } // Get the Docker containers. containers, err := m.DockerContainersInfo(containerName, query) if err != nil { return fmt.Errorf("failed to get docker containers for %q with error: %s", containerName, err) } // Only output the containers as JSON. err = writeResult(containers, w) if err != nil { return err } default: return fmt.Errorf("unknown API request type %q", requestType) } glog.V(2).Infof("Request took %s", time.Since(start)) return nil }