func RegisterHandlers(mux httpMux.Mux, containerManager manager.Manager, httpAuthFile, httpAuthRealm, httpDigestFile, httpDigestRealm, prometheusEndpoint string) error { // Basic health handler. if err := healthz.RegisterHandler(mux); err != nil { return fmt.Errorf("failed to register healthz handler: %s", err) } // Validation/Debug handler. mux.HandleFunc(validate.ValidatePage, func(w http.ResponseWriter, r *http.Request) { err := validate.HandleRequest(w, containerManager) if err != nil { fmt.Fprintf(w, "%s", err) } }) // Register API handler. if err := api.RegisterHandlers(mux, containerManager); err != nil { return fmt.Errorf("failed to register API handlers: %s", err) } // Redirect / to containers page. mux.Handle("/", http.RedirectHandler(pages.ContainersPage, http.StatusTemporaryRedirect)) var authenticated bool = false // Setup the authenticator object if httpAuthFile != "" { glog.Infof("Using auth file %s", httpAuthFile) secrets := auth.HtpasswdFileProvider(httpAuthFile) authenticator := auth.NewBasicAuthenticator(httpAuthRealm, secrets) mux.HandleFunc(static.StaticResource, authenticator.Wrap(staticHandler)) if err := pages.RegisterHandlersBasic(mux, containerManager, authenticator); err != nil { return fmt.Errorf("failed to register pages auth handlers: %s", err) } authenticated = true } if httpAuthFile == "" && httpDigestFile != "" { glog.Infof("Using digest file %s", httpDigestFile) secrets := auth.HtdigestFileProvider(httpDigestFile) authenticator := auth.NewDigestAuthenticator(httpDigestRealm, secrets) mux.HandleFunc(static.StaticResource, authenticator.Wrap(staticHandler)) if err := pages.RegisterHandlersDigest(mux, containerManager, authenticator); err != nil { return fmt.Errorf("failed to register pages digest handlers: %s", err) } authenticated = true } // Change handler based on authenticator initalization if !authenticated { mux.HandleFunc(static.StaticResource, staticHandlerNoAuth) if err := pages.RegisterHandlersBasic(mux, containerManager, nil); err != nil { return fmt.Errorf("failed to register pages handlers: %s", err) } } collector := metrics.NewPrometheusCollector(containerManager) prometheus.MustRegister(collector) http.Handle(prometheusEndpoint, prometheus.Handler()) return nil }
func main() { flag.Parse() storageDriver, err := NewStorageDriver(*argDbDriver) if err != nil { glog.Fatalf("Failed to connect to database: %s", err) } containerManager, err := manager.New(storageDriver) if err != nil { glog.Fatalf("Failed to create a Container Manager: %s", err) } // Register Docker. if err := docker.Register(containerManager); err != nil { glog.Errorf("Docker registration failed: %v.", err) } // Register the raw driver. if err := raw.Register(containerManager); err != nil { glog.Fatalf("raw registration failed: %v.", err) } // Handler for static content. http.HandleFunc(static.StaticResource, func(w http.ResponseWriter, r *http.Request) { err := static.HandleRequest(w, r.URL) if err != nil { fmt.Fprintf(w, "%s", err) } }) // Register API handler. if err := api.RegisterHandlers(containerManager); err != nil { glog.Fatalf("failed to register API handlers: %s", err) } // Redirect / to containers page. http.Handle("/", http.RedirectHandler(pages.ContainersPage, http.StatusTemporaryRedirect)) // Register the handler for the containers page. http.HandleFunc(pages.ContainersPage, func(w http.ResponseWriter, r *http.Request) { err := pages.ServerContainersPage(containerManager, w, r.URL) if err != nil { fmt.Fprintf(w, "%s", err) } }) defer glog.Flush() go func() { glog.Fatal(containerManager.Start()) }() glog.Infof("Starting cAdvisor version: %q", info.VERSION) glog.Infof("About to serve on port ", *argPort) addr := fmt.Sprintf(":%v", *argPort) glog.Fatal(http.ListenAndServe(addr, nil)) }
func main() { defer glog.Flush() flag.Parse() if *versionFlag { fmt.Printf("cAdvisor version %s\n", info.VERSION) os.Exit(0) } setMaxProcs() storageDriver, err := NewStorageDriver(*argDbDriver) if err != nil { glog.Fatalf("Failed to connect to database: %s", err) } sysFs, err := sysfs.NewRealSysFs() if err != nil { glog.Fatalf("Failed to create a system interface: %s", err) } containerManager, err := manager.New(storageDriver, sysFs) if err != nil { glog.Fatalf("Failed to create a Container Manager: %s", err) } // Register Docker. if err := docker.Register(containerManager); err != nil { glog.Errorf("Docker registration failed: %v.", err) } // Register the raw driver. if err := raw.Register(containerManager); err != nil { glog.Fatalf("Raw registration failed: %v.", err) } // Basic health handler. if err := healthz.RegisterHandler(); err != nil { glog.Fatalf("Failed to register healthz handler: %s", err) } // Validation/Debug handler. http.HandleFunc(validate.ValidatePage, func(w http.ResponseWriter, r *http.Request) { err := validate.HandleRequest(w, containerManager) if err != nil { fmt.Fprintf(w, "%s", err) } }) // Register API handler. if err := api.RegisterHandlers(containerManager); err != nil { glog.Fatalf("Failed to register API handlers: %s", err) } // Redirect / to containers page. http.Handle("/", http.RedirectHandler(pages.ContainersPage, http.StatusTemporaryRedirect)) var authenticated bool = false // Setup the authenticator object if *httpAuthFile != "" { glog.Infof("Using auth file %s", *httpAuthFile) secrets := auth.HtpasswdFileProvider(*httpAuthFile) authenticator := auth.NewBasicAuthenticator(*httpAuthRealm, secrets) http.HandleFunc(static.StaticResource, authenticator.Wrap(staticHandler)) if err := pages.RegisterHandlersBasic(containerManager, authenticator); err != nil { glog.Fatalf("Failed to register pages auth handlers: %s", err) } authenticated = true } if *httpAuthFile == "" && *httpDigestFile != "" { glog.Infof("Using digest file %s", *httpDigestFile) secrets := auth.HtdigestFileProvider(*httpDigestFile) authenticator := auth.NewDigestAuthenticator(*httpDigestRealm, secrets) http.HandleFunc(static.StaticResource, authenticator.Wrap(staticHandler)) if err := pages.RegisterHandlersDigest(containerManager, authenticator); err != nil { glog.Fatalf("Failed to register pages digest handlers: %s", err) } authenticated = true } // Change handler based on authenticator initalization if !authenticated { http.HandleFunc(static.StaticResource, staticHandlerNoAuth) if err := pages.RegisterHandlersBasic(containerManager, nil); err != nil { glog.Fatalf("Failed to register pages handlers: %s", err) } } // Start the manager. if err := containerManager.Start(); err != nil { glog.Fatalf("Failed to start container manager: %v", err) } // Install signal handler. installSignalHandler(containerManager) glog.Infof("Starting cAdvisor version: %q on port %d", info.VERSION, *argPort) addr := fmt.Sprintf("%s:%d", *argIp, *argPort) glog.Fatal(http.ListenAndServe(addr, nil)) }