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() {
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))
}