Пример #1
0
// init initializes master.
func (m *Master) init(c *Config) {
	healthzChecks := []healthz.HealthzChecker{}
	m.clock = util.RealClock{}
	podStorage := podetcd.NewStorage(c.DatabaseStorage, c.KubeletClient)

	podTemplateStorage := podtemplateetcd.NewREST(c.DatabaseStorage)

	eventRegistry := event.NewEtcdRegistry(c.DatabaseStorage, uint64(c.EventTTL.Seconds()))
	limitRangeStorage := limitrangeetcd.NewStorage(c.DatabaseStorage)

	resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewStorage(c.DatabaseStorage)
	secretStorage := secretetcd.NewStorage(c.DatabaseStorage)
	serviceAccountStorage := serviceaccountetcd.NewStorage(c.DatabaseStorage)
	persistentVolumeStorage, persistentVolumeStatusStorage := pvetcd.NewStorage(c.DatabaseStorage)
	persistentVolumeClaimStorage, persistentVolumeClaimStatusStorage := pvcetcd.NewStorage(c.DatabaseStorage)

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

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

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

	serviceStorage := serviceetcd.NewStorage(c.DatabaseStorage)
	m.serviceRegistry = service.NewRegistry(serviceStorage)

	var serviceClusterIPRegistry service.RangeRegistry
	serviceClusterIPAllocator := ipallocator.NewAllocatorCIDRRange(m.serviceClusterIPRange, func(max int, rangeSpec string) allocator.Interface {
		mem := allocator.NewAllocationMap(max, rangeSpec)
		etcd := etcdallocator.NewEtcd(mem, "/ranges/serviceips", "serviceipallocation", c.DatabaseStorage)
		serviceClusterIPRegistry = etcd
		return etcd
	})
	m.serviceClusterIPAllocator = serviceClusterIPRegistry

	var serviceNodePortRegistry service.RangeRegistry
	serviceNodePortAllocator := portallocator.NewPortAllocatorCustom(m.serviceNodePortRange, func(max int, rangeSpec string) allocator.Interface {
		mem := allocator.NewAllocationMap(max, rangeSpec)
		etcd := etcdallocator.NewEtcd(mem, "/ranges/servicenodeports", "servicenodeportallocation", c.DatabaseStorage)
		serviceNodePortRegistry = etcd
		return etcd
	})
	m.serviceNodePortAllocator = serviceNodePortRegistry

	controllerStorage := controlleretcd.NewREST(c.DatabaseStorage)

	// TODO: Factor out the core API registration
	m.storage = map[string]rest.Storage{
		"pods":             podStorage.Pod,
		"pods/attach":      podStorage.Attach,
		"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.endpointRegistry, serviceClusterIPAllocator, serviceNodePortAllocator),
		"endpoints":              endpointsStorage,
		"nodes":                  nodeStorage,
		"nodes/status":           nodeStatusStorage,
		"events":                 event.NewStorage(eventRegistry),

		"limitRanges":                   limitRangeStorage,
		"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) }),
	}

	// establish the node proxy dialer
	if len(c.SSHUser) > 0 {
		// Usernames are capped @ 32
		if len(c.SSHUser) > 32 {
			glog.Warning("SSH User is too long, truncating to 32 chars")
			c.SSHUser = c.SSHUser[0:32]
		}
		glog.Infof("Setting up proxy: %s %s", c.SSHUser, c.SSHKeyfile)

		// public keyfile is written last, so check for that.
		publicKeyFile := c.SSHKeyfile + ".pub"
		exists, err := util.FileExists(publicKeyFile)
		if err != nil {
			glog.Errorf("Error detecting if key exists: %v", err)
		} else if !exists {
			glog.Infof("Key doesn't exist, attempting to create")
			err := m.generateSSHKey(c.SSHUser, c.SSHKeyfile, publicKeyFile)
			if err != nil {
				glog.Errorf("Failed to create key pair: %v", err)
			}
		}
		m.tunnels = &util.SSHTunnelList{}
		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)
		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(c.SupportsBasicAuth), 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?
	if m.enableCoreControllers {
		m.NewBootstrapController().Start()
	}
}
Пример #2
0
// TestProjectIsNamespace verifies that a project is a namespace, and a namespace is a project
func TestProjectIsNamespace(t *testing.T) {
	testutil.DeleteAllEtcdKeys()
	etcdClient := testutil.NewEtcdClient()
	etcdHelper, err := master.NewEtcdStorage(etcdClient, latest.InterfacesFor, "v1", etcdtest.PathPrefix())
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	// create a kube and its client
	kubeInterfaces, _ := klatest.InterfacesFor(klatest.Version)
	namespaceStorage, _, _ := namespaceetcd.NewStorage(etcdHelper)
	kubeStorage := map[string]rest.Storage{
		"namespaces": namespaceStorage,
	}

	osMux := http.NewServeMux()
	server := httptest.NewServer(osMux)
	defer server.Close()
	handlerContainer := master.NewHandlerContainer(osMux)

	version := &apiserver.APIGroupVersion{
		Root:    "/api",
		Version: "v1beta3",

		Storage: kubeStorage,
		Codec:   kv1beta3.Codec,

		Mapper: klatest.RESTMapper,

		Creater:   kapi.Scheme,
		Typer:     kapi.Scheme,
		Convertor: kapi.Scheme,
		Linker:    kubeInterfaces.MetadataAccessor,

		Admit:   admit.NewAlwaysAdmit(),
		Context: kapi.NewRequestContextMapper(),
	}
	if err := version.InstallREST(handlerContainer); err != nil {
		t.Fatalf("unable to install REST: %v", err)
	}

	kubeClient, err := kclient.New(&kclient.Config{Host: server.URL, Version: "v1beta3"})
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	// create an origin
	originInterfaces, _ := latest.InterfacesFor(latest.Version)
	originStorage := map[string]rest.Storage{
		"projects": projectregistry.NewREST(kubeClient.Namespaces(), nil),
	}
	osVersion := &apiserver.APIGroupVersion{
		Root:    "/oapi",
		Version: "v1",

		Storage: originStorage,
		Codec:   latest.Codec,

		Mapper: latest.RESTMapper,

		Creater:   kapi.Scheme,
		Typer:     kapi.Scheme,
		Convertor: kapi.Scheme,
		Linker:    originInterfaces.MetadataAccessor,

		Admit:   admit.NewAlwaysAdmit(),
		Context: kapi.NewRequestContextMapper(),
	}
	if err := osVersion.InstallREST(handlerContainer); err != nil {
		t.Fatalf("unable to install REST: %v", err)
	}

	originClient, err := client.New(&kclient.Config{Host: server.URL})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// create a namespace
	namespace := &kapi.Namespace{
		ObjectMeta: kapi.ObjectMeta{Name: "integration-test"},
	}
	namespaceResult, err := kubeClient.Namespaces().Create(namespace)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// now try to get the project with the same name and ensure it is our namespace
	project, err := originClient.Projects().Get(namespaceResult.Name)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if project.Name != namespace.Name {
		t.Fatalf("Project name did not match namespace name, project %v, namespace %v", project.Name, namespace.Name)
	}

	// now create a project
	project = &projectapi.Project{
		ObjectMeta: kapi.ObjectMeta{
			Name: "new-project",
			Annotations: map[string]string{
				"openshift.io/display-name":  "Hello World",
				"openshift.io/node-selector": "env=test",
			},
		},
	}
	projectResult, err := originClient.Projects().Create(project)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// now get the namespace for that project
	namespace, err = kubeClient.Namespaces().Get(projectResult.Name)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if project.Name != namespace.Name {
		t.Fatalf("Project name did not match namespace name, project %v, namespace %v", project.Name, namespace.Name)
	}
	if project.Annotations["openshift.io/display-name"] != namespace.Annotations["openshift.io/display-name"] {
		t.Fatalf("Project display name did not match namespace annotation, project %v, namespace %v", project.Annotations["openshift.io/display-name"], namespace.Annotations["openshift.io/display-name"])
	}
	if project.Annotations["openshift.io/node-selector"] != namespace.Annotations["openshift.io/node-selector"] {
		t.Fatalf("Project node selector did not match namespace node selector, project %v, namespace %v", project.Annotations["openshift.io/node-selector"], namespace.Annotations["openshift.io/node-selector"])
	}
}