Golang ui.InstallSupport函數代碼示例

//.........這裏部分代碼省略.........
		m.dialer = m.Dial
		m.setupSecureProxy(c.SSHUser, c.SSHKeyfile, publicKeyFile)
		m.lastSync = m.clock.Now().Unix()

		// This is pretty ugly.  A better solution would be to pull this all the way up into the
		// server.go file.
		httpKubeletClient, ok := c.KubeletClient.(*client.HTTPKubeletClient)
		if ok {
			httpKubeletClient.Config.Dial = m.dialer
			transport, err := client.MakeTransport(httpKubeletClient.Config)
			if err != nil {
				glog.Errorf("Error setting up transport over SSH: %v", err)
			} else {
				httpKubeletClient.Client.Transport = transport
			}
		} else {
			glog.Errorf("Failed to cast %v to HTTPKubeletClient, skipping SSH tunnel.", c.KubeletClient)
		}
		healthzChecks = append(healthzChecks, healthz.NamedCheck("SSH Tunnel Check", m.IsTunnelSyncHealthy))
		m.lastSyncMetric = prometheus.NewGaugeFunc(prometheus.GaugeOpts{
			Name: "apiserver_proxy_tunnel_sync_latency_secs",
			Help: "The time since the last successful synchronization of the SSH tunnels for proxy requests.",
		}, func() float64 { return float64(m.secondsSinceSync()) })
	}

	apiVersions := []string{}
	if m.v1 {
		if err := m.api_v1().InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup API v1: %v", err)
		}
		apiVersions = append(apiVersions, "v1")
	}

	apiserver.InstallSupport(m.muxHelper, m.rootWebService, c.EnableProfiling, healthzChecks...)
	apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)
	defaultVersion := m.defaultAPIGroupVersion()
	requestInfoResolver := &apiserver.APIRequestInfoResolver{APIPrefixes: util.NewStringSet(strings.TrimPrefix(defaultVersion.Root, "/")), RestMapper: defaultVersion.Mapper}
	apiserver.InstallServiceErrorHandler(m.handlerContainer, requestInfoResolver, apiVersions)

	if m.exp {
		expVersion := m.expapi(c)
		if err := expVersion.InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup experimental api: %v", err)
		}
		apiserver.AddApiWebService(m.handlerContainer, c.ExpAPIPrefix, []string{expVersion.Version})
		expRequestInfoResolver := &apiserver.APIRequestInfoResolver{APIPrefixes: util.NewStringSet(strings.TrimPrefix(expVersion.Root, "/")), RestMapper: expVersion.Mapper}
		apiserver.InstallServiceErrorHandler(m.handlerContainer, expRequestInfoResolver, []string{expVersion.Version})
	}

	// Register root handler.
	// We do not register this using restful Webservice since we do not want to surface this in api docs.
	// Allow master to be embedded in contexts which already have something registered at the root
	if c.EnableIndex {
		m.mux.HandleFunc("/", apiserver.IndexHandler(m.handlerContainer, m.muxHelper))
	}

	if c.EnableLogsSupport {
		apiserver.InstallLogsSupport(m.muxHelper)
	}
	if c.EnableUISupport {
		ui.InstallSupport(m.muxHelper, m.enableSwaggerSupport)
	}

	if c.EnableProfiling {
		m.mux.HandleFunc("/debug/pprof/", pprof.Index)
		m.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)

//.........這裏部分代碼省略.........
		"resourceQuotas":                resourceQuotaStorage,
		"resourceQuotas/status":         resourceQuotaStatusStorage,
		"namespaces":                    namespaceStorage,
		"namespaces/status":             namespaceStatusStorage,
		"namespaces/finalize":           namespaceFinalizeStorage,
		"secrets":                       secretStorage,
		"serviceAccounts":               serviceAccountStorage,
		"persistentVolumes":             persistentVolumeStorage,
		"persistentVolumes/status":      persistentVolumeStatusStorage,
		"persistentVolumeClaims":        persistentVolumeClaimStorage,
		"persistentVolumeClaims/status": persistentVolumeClaimStatusStorage,

		"componentStatuses": componentstatus.NewStorage(func() map[string]apiserver.Server { return m.getServersToValidate(c) }),
	}

	if m.tunneler != nil {
		m.tunneler.Run(m.getNodeAddresses)
		healthzChecks = append(healthzChecks, healthz.NamedCheck("SSH Tunnel Check", m.IsTunnelSyncHealthy))
		prometheus.NewGaugeFunc(prometheus.GaugeOpts{
			Name: "apiserver_proxy_tunnel_sync_latency_secs",
			Help: "The time since the last successful synchronization of the SSH tunnels for proxy requests.",
		}, func() float64 { return float64(m.tunneler.SecondsSinceSync()) })
	}

	apiVersions := []string{}
	// Install v1 unless disabled.
	if !m.apiGroupVersionOverrides["api/v1"].Disable {
		if err := m.api_v1().InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup API v1: %v", err)
		}
		apiVersions = append(apiVersions, "v1")
	}

	apiserver.InstallSupport(m.muxHelper, m.rootWebService, c.EnableProfiling, healthzChecks...)
	apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)
	apiserver.InstallServiceErrorHandler(m.handlerContainer, m.newRequestInfoResolver(), apiVersions)

	// allGroups records all supported groups at /apis
	allGroups := []unversioned.APIGroup{}
	// Install extensions unless disabled.
	if !m.apiGroupVersionOverrides["extensions/v1beta1"].Disable {
		m.thirdPartyStorage = c.StorageDestinations.APIGroups["extensions"].Default
		m.thirdPartyResources = map[string]*thirdpartyresourcedataetcd.REST{}

		expVersion := m.experimental(c)

		if err := expVersion.InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup experimental api: %v", err)
		}
		g, err := latest.Group("extensions")
		if err != nil {
			glog.Fatalf("Unable to setup experimental api: %v", err)
		}
		expAPIVersions := []unversioned.GroupVersionForDiscovery{
			{
				GroupVersion: expVersion.GroupVersion.String(),
				Version:      expVersion.GroupVersion.Version,
			},
		}
		storageVersion, found := c.StorageVersions[g.Group]
		if !found {
			glog.Fatalf("Couldn't find storage version of group %v", g.Group)
		}
		group := unversioned.APIGroup{
			Name:             g.Group,
			Versions:         expAPIVersions,

// init initializes GenericAPIServer.
func (s *GenericAPIServer) init(c *Config) {

	if c.ProxyDialer != nil || c.ProxyTLSClientConfig != nil {
		s.ProxyTransport = utilnet.SetTransportDefaults(&http.Transport{
			Dial:            c.ProxyDialer,
			TLSClientConfig: c.ProxyTLSClientConfig,
		})
	}

	// Register root handler.
	// We do not register this using restful Webservice since we do not want to surface this in api docs.
	// Allow GenericAPIServer to be embedded in contexts which already have something registered at the root
	if c.EnableIndex {
		s.mux.HandleFunc("/", apiserver.IndexHandler(s.HandlerContainer, s.MuxHelper))
	}

	if c.EnableLogsSupport {
		apiserver.InstallLogsSupport(s.MuxHelper)
	}
	if c.EnableUISupport {
		ui.InstallSupport(s.MuxHelper, s.enableSwaggerSupport && s.enableSwaggerUI)
	}

	if c.EnableProfiling {
		s.mux.HandleFunc("/debug/pprof/", pprof.Index)
		s.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
		s.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
	}

	handler := http.Handler(s.mux.(*http.ServeMux))

	// TODO: handle CORS and auth using go-restful
	// See github.com/emicklei/go-restful/blob/GenericAPIServer/examples/restful-CORS-filter.go, and
	// github.com/emicklei/go-restful/blob/GenericAPIServer/examples/restful-basic-authentication.go

	if len(c.CorsAllowedOriginList) > 0 {
		allowedOriginRegexps, err := util.CompileRegexps(c.CorsAllowedOriginList)
		if err != nil {
			glog.Fatalf("Invalid CORS allowed origin, --cors-allowed-origins flag was set to %v - %v", strings.Join(c.CorsAllowedOriginList, ","), err)
		}
		handler = apiserver.CORS(handler, allowedOriginRegexps, nil, nil, "true")
	}

	s.InsecureHandler = handler

	attributeGetter := apiserver.NewRequestAttributeGetter(s.RequestContextMapper, s.NewRequestInfoResolver())
	handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, s.authorizer)

	// Install Authenticator
	if c.Authenticator != nil {
		authenticatedHandler, err := handlers.NewRequestAuthenticator(s.RequestContextMapper, c.Authenticator, handlers.Unauthorized(c.SupportsBasicAuth), handler)
		if err != nil {
			glog.Fatalf("Could not initialize authenticator: %v", err)
		}
		handler = authenticatedHandler
	}

	// TODO: Make this optional?  Consumers of GenericAPIServer depend on this currently.
	s.Handler = handler

	// After all wrapping is done, put a context filter around both handlers
	if handler, err := api.NewRequestContextFilter(s.RequestContextMapper, s.Handler); err != nil {
		glog.Fatalf("Could not initialize request context filter: %v", err)
	} else {
		s.Handler = handler
	}

	if handler, err := api.NewRequestContextFilter(s.RequestContextMapper, s.InsecureHandler); err != nil {
		glog.Fatalf("Could not initialize request context filter: %v", err)
	} else {
		s.InsecureHandler = handler
	}

	s.installGroupsDiscoveryHandler()
}

// New returns a new instance of GenericAPIServer from the given config.
// Certain config fields will be set to a default value if unset,
// including:
//   ServiceClusterIPRange
//   ServiceNodePortRange
//   MasterCount
//   ReadWritePort
//   PublicAddress
// Public fields:
//   Handler -- The returned GenericAPIServer has a field TopHandler which is an
//   http.Handler which handles all the endpoints provided by the GenericAPIServer,
//   including the API, the UI, and miscellaneous debugging endpoints.  All
//   these are subject to authorization and authentication.
//   InsecureHandler -- an http.Handler which handles all the same
//   endpoints as Handler, but no authorization and authentication is done.
// Public methods:
//   HandleWithAuth -- Allows caller to add an http.Handler for an endpoint
//   that uses the same authentication and authorization (if any is configured)
//   as the GenericAPIServer's built-in endpoints.
//   If the caller wants to add additional endpoints not using the GenericAPIServer's
//   auth, then the caller should create a handler for those endpoints, which delegates the
//   any unhandled paths to "Handler".
func (c Config) New() (*GenericAPIServer, error) {
	if c.Serializer == nil {
		return nil, fmt.Errorf("Genericapiserver.New() called with config.Serializer == nil")
	}

	c.setDefaults()

	s := &GenericAPIServer{
		ServiceClusterIPRange: c.ServiceClusterIPRange,
		ServiceNodePortRange:  c.ServiceNodePortRange,
		legacyAPIPrefix:       c.APIPrefix,
		apiPrefix:             c.APIGroupPrefix,
		admissionControl:      c.AdmissionControl,
		requestContextMapper:  c.RequestContextMapper,
		Serializer:            c.Serializer,

		minRequestTimeout:    time.Duration(c.MinRequestTimeout) * time.Second,
		enableSwaggerSupport: c.EnableSwaggerSupport,

		MasterCount:          c.MasterCount,
		ExternalAddress:      c.ExternalHost,
		ClusterIP:            c.PublicAddress,
		PublicReadWritePort:  c.ReadWritePort,
		ServiceReadWriteIP:   c.ServiceReadWriteIP,
		ServiceReadWritePort: c.ServiceReadWritePort,
		ExtraServicePorts:    c.ExtraServicePorts,
		ExtraEndpointPorts:   c.ExtraEndpointPorts,

		KubernetesServiceNodePort: c.KubernetesServiceNodePort,
		apiGroupsForDiscovery:     map[string]unversioned.APIGroup{},

		enableOpenAPISupport:   c.EnableOpenAPISupport,
		openAPIInfo:            c.OpenAPIInfo,
		openAPIDefaultResponse: c.OpenAPIDefaultResponse,
	}

	if c.EnableWatchCache {
		s.storageDecorator = registry.StorageWithCacher
	} else {
		s.storageDecorator = generic.UndecoratedStorage
	}

	if c.RestfulContainer != nil {
		s.mux = c.RestfulContainer.ServeMux
		s.HandlerContainer = c.RestfulContainer
	} else {
		mux := http.NewServeMux()
		s.mux = mux
		s.HandlerContainer = NewHandlerContainer(mux, c.Serializer)
	}
	// Use CurlyRouter to be able to use regular expressions in paths. Regular expressions are required in paths for example for proxy (where the path is proxy/{kind}/{name}/{*})
	s.HandlerContainer.Router(restful.CurlyRouter{})
	s.MuxHelper = &apiserver.MuxHelper{Mux: s.mux, RegisteredPaths: []string{}}

	if c.ProxyDialer != nil || c.ProxyTLSClientConfig != nil {
		s.ProxyTransport = utilnet.SetTransportDefaults(&http.Transport{
			Dial:            c.ProxyDialer,
			TLSClientConfig: c.ProxyTLSClientConfig,
		})
	}

	// Register root handler.
	// We do not register this using restful Webservice since we do not want to surface this in api docs.
	// Allow GenericAPIServer to be embedded in contexts which already have something registered at the root
	if c.EnableIndex {
		s.mux.HandleFunc("/", apiserver.IndexHandler(s.HandlerContainer, s.MuxHelper))
	}

	if c.EnableLogsSupport {
		apiserver.InstallLogsSupport(s.MuxHelper, s.HandlerContainer)
	}
	if c.EnableUISupport {
		ui.InstallSupport(s.MuxHelper, c.EnableSwaggerSupport && c.EnableSwaggerUI)
	}

	if c.EnableProfiling {
		s.mux.HandleFunc("/debug/pprof/", pprof.Index)
		s.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
//.........這裏部分代碼省略.........