// init initializes master.
func (m *Master) init(c *Config) {
	// TODO: make initialization of the helper part of the Master, and allow some storage
	// objects to have a newer storage version than the user's default.
	newerHelper, err := NewEtcdHelper(c.EtcdHelper.Client, "v1beta3")
	if err != nil {
		glog.Fatalf("Unable to setup storage for v1beta3: %v", err)
	}

	podStorage := podetcd.NewStorage(c.EtcdHelper, c.KubeletClient)
	podRegistry := pod.NewRegistry(podStorage.Pod)

	podTemplateStorage := podtemplateetcd.NewREST(newerHelper)

	eventRegistry := event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds()))
	limitRangeRegistry := limitrange.NewEtcdRegistry(c.EtcdHelper)

	resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewStorage(c.EtcdHelper)
	secretRegistry := secret.NewEtcdRegistry(c.EtcdHelper)
	persistentVolumeStorage, persistentVolumeStatusStorage := pvetcd.NewStorage(c.EtcdHelper)
	persistentVolumeClaimStorage, persistentVolumeClaimStatusStorage := pvcetcd.NewStorage(c.EtcdHelper)

	namespaceStorage, namespaceStatusStorage, namespaceFinalizeStorage := namespaceetcd.NewStorage(c.EtcdHelper)
	m.namespaceRegistry = namespace.NewRegistry(namespaceStorage)

	endpointsStorage := endpointsetcd.NewStorage(c.EtcdHelper)
	m.endpointRegistry = endpoint.NewRegistry(endpointsStorage)

	nodeStorage, nodeStatusStorage := nodeetcd.NewStorage(c.EtcdHelper, c.KubeletClient)
	m.nodeRegistry = minion.NewRegistry(nodeStorage)

	// TODO: split me up into distinct storage registries
	registry := etcd.NewRegistry(c.EtcdHelper, podRegistry, m.endpointRegistry)
	m.serviceRegistry = registry

	controllerStorage := controlleretcd.NewREST(c.EtcdHelper)

	// TODO: Factor out the core API registration
	m.storage = map[string]rest.Storage{
		"pods":             podStorage.Pod,
		"pods/status":      podStorage.Status,
		"pods/log":         podStorage.Log,
		"pods/exec":        podStorage.Exec,
		"pods/portforward": podStorage.PortForward,
		"pods/proxy":       podStorage.Proxy,
		"pods/binding":     podStorage.Binding,
		"bindings":         podStorage.Binding,

		"podTemplates": podTemplateStorage,

		"replicationControllers": controllerStorage,
		"services":               service.NewStorage(m.serviceRegistry, m.nodeRegistry, m.endpointRegistry, m.portalNet, c.ClusterName),
		"endpoints":              endpointsStorage,
		"minions":                nodeStorage,
		"minions/status":         nodeStatusStorage,
		"nodes":                  nodeStorage,
		"nodes/status":           nodeStatusStorage,
		"events":                 event.NewStorage(eventRegistry),

		"limitRanges":                   limitrange.NewStorage(limitRangeRegistry),
		"resourceQuotas":                resourceQuotaStorage,
		"resourceQuotas/status":         resourceQuotaStatusStorage,
		"namespaces":                    namespaceStorage,
		"namespaces/status":             namespaceStatusStorage,
		"namespaces/finalize":           namespaceFinalizeStorage,
		"secrets":                       secret.NewStorage(secretRegistry),
		"persistentVolumes":             persistentVolumeStorage,
		"persistentVolumes/status":      persistentVolumeStatusStorage,
		"persistentVolumeClaims":        persistentVolumeClaimStorage,
		"persistentVolumeClaims/status": persistentVolumeClaimStatusStorage,

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

	apiVersions := []string{"v1beta1", "v1beta2"}
	if err := m.api_v1beta1().InstallREST(m.handlerContainer); err != nil {
		glog.Fatalf("Unable to setup API v1beta1: %v", err)
	}
	if err := m.api_v1beta2().InstallREST(m.handlerContainer); err != nil {
		glog.Fatalf("Unable to setup API v1beta2: %v", err)
	}
	if m.v1beta3 {
		if err := m.api_v1beta3().InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup API v1beta3: %v", err)
		}
		apiVersions = []string{"v1beta1", "v1beta2", "v1beta3"}
	}

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

	// 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))
	}

	// TODO: use go-restful
	apiserver.InstallValidator(m.muxHelper, func() map[string]apiserver.Server { return m.getServersToValidate(c) })
	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)
		m.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
	}

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

	// TODO: handle CORS and auth using go-restful
	// See github.com/emicklei/go-restful/blob/master/examples/restful-CORS-filter.go, and
	// github.com/emicklei/go-restful/blob/master/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")
	}

	m.InsecureHandler = handler

	attributeGetter := apiserver.NewRequestAttributeGetter(m.requestContextMapper, latest.RESTMapper, "api")
	handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)

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

	// Install root web services
	m.handlerContainer.Add(m.rootWebService)

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

	if m.enableSwaggerSupport {
		m.InstallSwaggerAPI()
	}

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

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

	// TODO: Attempt clean shutdown?
	m.masterServices.Start()
}
Example #2
0
// init initializes master.
func (m *Master) init(c *Config) {
	podStorage, bindingStorage, podStatusStorage := podetcd.NewREST(c.EtcdHelper)
	podRegistry := pod.NewRegistry(podStorage)

	eventRegistry := event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds()))
	limitRangeRegistry := limitrange.NewEtcdRegistry(c.EtcdHelper)

	resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewREST(c.EtcdHelper)
	secretRegistry := secret.NewEtcdRegistry(c.EtcdHelper)

	namespaceStorage := namespaceetcd.NewREST(c.EtcdHelper)
	m.namespaceRegistry = namespace.NewRegistry(namespaceStorage)

	// TODO: split me up into distinct storage registries
	registry := etcd.NewRegistry(c.EtcdHelper, podRegistry)

	m.serviceRegistry = registry
	m.endpointRegistry = registry
	m.nodeRegistry = registry

	nodeStorage := minion.NewREST(m.nodeRegistry)
	// TODO: unify the storage -> registry and storage -> client patterns
	nodeStorageClient := RESTStorageToNodes(nodeStorage)
	podCache := NewPodCache(
		c.KubeletClient,
		nodeStorageClient.Nodes(),
		podRegistry,
	)

	if c.SyncPodStatus {
		go util.Forever(podCache.UpdateAllContainers, m.cacheTimeout)
		go util.Forever(podCache.GarbageCollectPodStatus, time.Minute*30)
		podStorage = podStorage.WithPodStatus(podCache)
	}

	// TODO: Factor out the core API registration
	m.storage = map[string]apiserver.RESTStorage{
		"pods":         podStorage,
		"pods/status":  podStatusStorage,
		"pods/binding": bindingStorage,
		"bindings":     bindingStorage,

		"replicationControllers": controller.NewREST(registry, podRegistry),
		"services":               service.NewREST(m.serviceRegistry, c.Cloud, m.nodeRegistry, m.portalNet, c.ClusterName),
		"endpoints":              endpoint.NewREST(m.endpointRegistry),
		"minions":                nodeStorage,
		"nodes":                  nodeStorage,
		"events":                 event.NewREST(eventRegistry),

		"limitRanges":           limitrange.NewREST(limitRangeRegistry),
		"resourceQuotas":        resourceQuotaStorage,
		"resourceQuotas/status": resourceQuotaStatusStorage,
		"namespaces":            namespaceStorage,
		"secrets":               secret.NewREST(secretRegistry),
	}

	apiVersions := []string{"v1beta1", "v1beta2"}
	if err := m.api_v1beta1().InstallREST(m.handlerContainer); err != nil {
		glog.Fatalf("Unable to setup API v1beta1: %v", err)
	}
	if err := m.api_v1beta2().InstallREST(m.handlerContainer); err != nil {
		glog.Fatalf("Unable to setup API v1beta2: %v", err)
	}
	if c.EnableV1Beta3 {
		if err := m.api_v1beta3().InstallREST(m.handlerContainer); err != nil {
			glog.Fatalf("Unable to setup API v1beta3: %v", err)
		}
		apiVersions = []string{"v1beta1", "v1beta2", "v1beta3"}
	}

	apiserver.InstallSupport(m.muxHelper, m.rootWebService)
	apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)

	// 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))
	}

	// TODO: use go-restful
	apiserver.InstallValidator(m.muxHelper, func() map[string]apiserver.Server { return m.getServersToValidate(c) })
	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)
		m.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
	}

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

	// TODO: handle CORS and auth using go-restful
	// See github.com/emicklei/go-restful/blob/master/examples/restful-CORS-filter.go, and
	// github.com/emicklei/go-restful/blob/master/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")
	}

	m.InsecureHandler = handler

	attributeGetter := apiserver.NewRequestAttributeGetter(m.requestContextMapper, latest.RESTMapper, "api")
	handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)

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

	// Install root web services
	m.handlerContainer.Add(m.rootWebService)

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

	if m.enableSwaggerSupport {
		m.InstallSwaggerAPI()
	}

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

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

	// TODO: Attempt clean shutdown?
	m.masterServices.Start()
}