func BuildAuthConfig(options configapi.MasterConfig) (*AuthConfig, error) {
	client, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
	if err != nil {
		return nil, err
	}
	etcdHelper, err := NewEtcdStorage(client, options.EtcdStorageConfig.OpenShiftStorageVersion, options.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		return nil, fmt.Errorf("Error setting up server storage: %v", err)
	}

	apiServerCAs, err := configapi.GetAPIServerCertCAPool(options)
	if err != nil {
		return nil, err
	}

	var sessionAuth *session.Authenticator
	if options.OAuthConfig.SessionConfig != nil {
		secure := isHTTPS(options.OAuthConfig.MasterPublicURL)
		auth, err := BuildSessionAuth(secure, options.OAuthConfig.SessionConfig)
		if err != nil {
			return nil, err
		}
		sessionAuth = auth
	}

	// Build the list of valid redirect_uri prefixes for a login using the openshift-web-console client to redirect to
	// TODO: allow configuring this
	// TODO: remove hard-coding of development UI server
	assetPublicURLs := []string{}
	if !options.DisabledFeatures.Has(configapi.FeatureWebConsole) {
		assetPublicURLs = []string{options.OAuthConfig.AssetPublicURL, "http://localhost:9000", "https://localhost:9000"}
	}

	userStorage := useretcd.NewREST(etcdHelper)
	userRegistry := userregistry.NewRegistry(userStorage)
	identityStorage := identityetcd.NewREST(etcdHelper)
	identityRegistry := identityregistry.NewRegistry(identityStorage)

	ret := &AuthConfig{
		Options: *options.OAuthConfig,

		AssetPublicAddresses: assetPublicURLs,
		MasterRoots:          apiServerCAs,
		EtcdHelper:           etcdHelper,

		IdentityRegistry: identityRegistry,
		UserRegistry:     userRegistry,

		SessionAuth: sessionAuth,
	}

	return ret, nil
}

func TestBootstrapPolicyOverwritePolicyCommand(t *testing.T) {
	masterConfig, clusterAdminKubeConfig, err := testserver.StartTestMasterAPI()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	client, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if err := client.ClusterPolicies().Delete(authorizationapi.PolicyName); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// after the policy is deleted, we must wait for it to be cleared from the policy cache
	err = wait.Poll(10*time.Millisecond, 10*time.Second, func() (bool, error) {
		_, err := client.ClusterPolicies().List(kapi.ListOptions{})
		if err == nil {
			return false, nil
		}
		if !kapierror.IsForbidden(err) {
			t.Errorf("unexpected error: %v", err)
		}
		return true, nil
	})
	if err != nil {
		t.Errorf("timeout: %v", err)
	}

	etcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	storageVersion := unversioned.GroupVersion{Group: "", Version: masterConfig.EtcdStorageConfig.OpenShiftStorageVersion}
	etcdHelper, err := origin.NewEtcdStorage(etcdClient, storageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if err := admin.OverwriteBootstrapPolicy(etcdHelper, masterConfig.PolicyConfig.BootstrapPolicyFile, admin.CreateBootstrapPolicyFileFullCommand, true, ioutil.Discard); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if _, err := client.ClusterPolicies().List(kapi.ListOptions{}); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
}

func (o *DebugAPIServerOptions) ImportEtcdDump(etcdClientInfo configapi.EtcdConnectionInfo) error {
	infile, err := os.Open(o.EtcdDumpFile)
	if err != nil {
		return err
	}
	etcdDump := &coreosetcdclient.Response{}
	if err := json.NewDecoder(infile).Decode(etcdDump); err != nil {
		return err
	}

	// Connect and setup etcd interfaces
	etcdClient, err := etcd.GetAndTestEtcdClient(etcdClientInfo)
	if err != nil {
		return err
	}

	nodeList := []*coreosetcdclient.Node{}
	nodeList = append(nodeList, etcdDump.Node)
	for i := 0; i < len(nodeList); i++ {
		node := nodeList[i]
		if node == nil {
			continue
		}

		for j := range node.Nodes {
			nodeList = append(nodeList, node.Nodes[j])
		}
		if len(node.Key) == 0 {
			continue
		}

		if node.Dir {
			if _, err := etcdClient.CreateDir(node.Key, uint64(0)); err != nil {
				return err
			}
			continue
		}

		if _, err := etcdClient.Create(node.Key, node.Value, uint64(0)); err != nil {
			return err
		}
	}

	return nil
}

func (o OverwriteBootstrapPolicyOptions) OverwriteBootstrapPolicy() error {
	masterConfig, err := configapilatest.ReadAndResolveMasterConfig(o.MasterConfigFile)
	if err != nil {
		return err
	}

	// Connect and setup etcd interfaces
	etcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		return err
	}
	storage, err := newStorage(etcdClient, masterConfig.EtcdStorageConfig.OpenShiftStorageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		return err
	}

	return OverwriteBootstrapPolicy(storage, o.File, o.CreateBootstrapPolicyCommand, o.Force, o.Out)
}

// RunDNSServer starts the DNS server
func (c *MasterConfig) RunDNSServer() {
	config, err := dns.NewServerDefaults()
	if err != nil {
		glog.Fatalf("Could not start DNS: %v", err)
	}
	switch c.Options.DNSConfig.BindNetwork {
	case "tcp":
		config.BindNetwork = "ip"
	case "tcp4":
		config.BindNetwork = "ipv4"
	case "tcp6":
		config.BindNetwork = "ipv6"
	}
	config.DnsAddr = c.Options.DNSConfig.BindAddress
	config.NoRec = !c.Options.DNSConfig.AllowRecursiveQueries

	_, port, err := net.SplitHostPort(c.Options.DNSConfig.BindAddress)
	if err != nil {
		glog.Fatalf("Could not start DNS: %v", err)
	}
	if port != "53" {
		glog.Warningf("Binding DNS on port %v instead of 53, which may not be resolvable from all clients", port)
	}

	if ok, err := cmdutil.TryListen(c.Options.DNSConfig.BindNetwork, c.Options.DNSConfig.BindAddress); !ok {
		glog.Warningf("Could not start DNS: %v", err)
		return
	}

	go func() {
		etcdClient, err := etcd.GetAndTestEtcdClient(c.Options.EtcdClientInfo)
		if err != nil {
			glog.Fatalf("Could not get etcd client: %v", err)
			return
		}
		err = dns.ListenAndServe(config, c.DNSServerClient(), etcdClient)
		glog.Fatalf("Could not start DNS: %v", err)
	}()

	cmdutil.WaitForSuccessfulDial(false, "tcp", c.Options.DNSConfig.BindAddress, 100*time.Millisecond, 100*time.Millisecond, 100)

	glog.Infof("DNS listening at %s", c.Options.DNSConfig.BindAddress)
}

// StartAPI starts the components of the master that are considered part of the API - the Kubernetes
// API and core controllers, the Origin API, the group, policy, project, and authorization caches,
// etcd, the asset server (for the UI), the OAuth server endpoints, and the DNS server.
// TODO: allow to be more granularly targeted
func StartAPI(oc *origin.MasterConfig, kc *kubernetes.MasterConfig) error {
	// start etcd
	if oc.Options.EtcdConfig != nil {
		etcdserver.RunEtcd(oc.Options.EtcdConfig)
	}

	// verify we can connect to etcd with the provided config
	if etcdClient, err := etcd.GetAndTestEtcdClient(oc.Options.EtcdClientInfo); err != nil {
		return err
	} else {
		etcdClient.Close()
	}

	// Must start policy caching immediately
	oc.RunGroupCache()
	oc.RunPolicyCache()
	oc.RunProjectCache()

	unprotectedInstallers := []origin.APIInstaller{}

	if oc.Options.OAuthConfig != nil {
		authConfig, err := origin.BuildAuthConfig(oc)
		if err != nil {
			return err
		}
		unprotectedInstallers = append(unprotectedInstallers, authConfig)
	}

	var standaloneAssetConfig *origin.AssetConfig
	if oc.WebConsoleEnabled() {
		var overrideConfig *overrideapi.ClusterResourceOverrideConfig = nil
		if oc.Options.KubernetesMasterConfig != nil { // external kube gets you a nil pointer here
			if overridePluginConfigFile, err := pluginconfig.GetPluginConfigFile(oc.Options.KubernetesMasterConfig.AdmissionConfig.PluginConfig, overrideapi.PluginName, ""); err != nil {
				return err
			} else if overridePluginConfigFile != "" {
				configFile, err := os.Open(overridePluginConfigFile)
				if err != nil {
					return err
				}
				if overrideConfig, err = override.ReadConfig(configFile); err != nil {
					return err
				}
			}
		}

		config, err := origin.NewAssetConfig(*oc.Options.AssetConfig, overrideConfig)
		if err != nil {
			return err
		}

		if oc.Options.AssetConfig.ServingInfo.BindAddress == oc.Options.ServingInfo.BindAddress {
			unprotectedInstallers = append(unprotectedInstallers, config)
		} else {
			standaloneAssetConfig = config
		}
	}

	if kc != nil {
		oc.Run([]origin.APIInstaller{kc}, unprotectedInstallers)
	} else {
		_, kubeClientConfig, err := configapi.GetKubeClient(oc.Options.MasterClients.ExternalKubernetesKubeConfig)
		if err != nil {
			return err
		}
		proxy := &kubernetes.ProxyConfig{
			ClientConfig: kubeClientConfig,
		}
		oc.Run([]origin.APIInstaller{proxy}, unprotectedInstallers)
	}

	oc.InitializeObjects()

	if standaloneAssetConfig != nil {
		standaloneAssetConfig.Run()
	}

	if oc.Options.DNSConfig != nil {
		oc.RunDNSServer()
	}

	oc.RunProjectAuthorizationCache()
	return nil
}

// StartAPI starts the components of the master that are considered part of the API - the Kubernetes
// API and core controllers, the Origin API, the group, policy, project, and authorization caches,
// etcd, the asset server (for the UI), the OAuth server endpoints, and the DNS server.
// TODO: allow to be more granularly targeted
func StartAPI(oc *origin.MasterConfig, kc *kubernetes.MasterConfig) error {
	// start etcd
	if oc.Options.EtcdConfig != nil {
		etcdserver.RunEtcd(oc.Options.EtcdConfig)
	}

	// verify we can connect to etcd with the provided config
	if _, err := etcd.GetAndTestEtcdClient(oc.Options.EtcdClientInfo); err != nil {
		return err
	}

	// Must start policy caching immediately
	oc.Informers.StartCore(utilwait.NeverStop)
	oc.RunClusterQuotaMappingController()
	oc.RunGroupCache()
	oc.RunProjectCache()

	unprotectedInstallers := []origin.APIInstaller{}

	if oc.Options.OAuthConfig != nil {
		authConfig, err := origin.BuildAuthConfig(oc)
		if err != nil {
			return err
		}
		unprotectedInstallers = append(unprotectedInstallers, authConfig)
	}

	var standaloneAssetConfig *origin.AssetConfig
	if oc.WebConsoleEnabled() {
		overrideConfig, err := getResourceOverrideConfig(oc)
		if err != nil {
			return err
		}
		config, err := origin.NewAssetConfig(*oc.Options.AssetConfig, overrideConfig)
		if err != nil {
			return err
		}

		if oc.Options.AssetConfig.ServingInfo.BindAddress == oc.Options.ServingInfo.BindAddress {
			unprotectedInstallers = append(unprotectedInstallers, config)
		} else {
			standaloneAssetConfig = config
		}
	}

	if kc != nil {
		oc.Run([]origin.APIInstaller{kc}, unprotectedInstallers)
	} else {
		_, kubeClientConfig, err := configapi.GetKubeClient(oc.Options.MasterClients.ExternalKubernetesKubeConfig, oc.Options.MasterClients.ExternalKubernetesClientConnectionOverrides)
		if err != nil {
			return err
		}
		proxy := &kubernetes.ProxyConfig{
			ClientConfig: kubeClientConfig,
		}
		oc.Run([]origin.APIInstaller{proxy}, unprotectedInstallers)
	}

	// start up the informers that we're trying to use in the API server
	oc.Informers.Start(utilwait.NeverStop)
	oc.InitializeObjects()

	if standaloneAssetConfig != nil {
		standaloneAssetConfig.Run()
	}

	if oc.Options.DNSConfig != nil {
		oc.RunDNSServer()
	}

	oc.RunProjectAuthorizationCache()
	return nil
}

func TestUserInitialization(t *testing.T) {

	masterConfig, clusterAdminKubeConfig, err := testutil.StartTestMaster()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clusterAdminClient, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	etcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	etcdHelper, err := origin.NewEtcdStorage(etcdClient, masterConfig.EtcdStorageConfig.OpenShiftStorageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	userRegistry := userregistry.NewRegistry(useretcd.NewREST(etcdHelper))
	identityRegistry := identityregistry.NewRegistry(identityetcd.NewREST(etcdHelper))
	useridentityMappingRegistry := useridentitymapping.NewRegistry(useridentitymapping.NewREST(userRegistry, identityRegistry))

	lookup := identitymapper.NewLookupIdentityMapper(useridentityMappingRegistry, userRegistry)
	provisioner := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(identityRegistry, userRegistry)

	testcases := map[string]struct {
		Identity authapi.UserIdentityInfo
		Mapper   authapi.UserIdentityMapper

		CreateIdentity *api.Identity
		CreateUser     *api.User
		CreateMapping  *api.UserIdentityMapping
		UpdateUser     *api.User

		ExpectedErr      error
		ExpectedUserName string
		ExpectedFullName string
	}{
		"lookup missing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			ExpectedErr: kerrs.NewNotFound("UserIdentityMapping", "idp:bob"),
		},
		"lookup existing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName: "mappeduser",
		},
		"provision missing identity and user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			ExpectedUserName: "bob",
		},
		"provision missing identity and user with preferred username and display name": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityDisplayNameKey: "Bob, Sr.", authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   provisioner,

			ExpectedUserName: "admin",
			ExpectedFullName: "Bob, Sr.",
		},
		"provision missing identity for existing user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser: makeUser("bob", "idp:bob"),

			ExpectedUserName: "bob",
		},
		"provision missing identity with conflicting user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser: makeUser("bob"),

			ExpectedUserName: "bob2",
		},
		"provision missing identity with conflicting user and preferred username": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   provisioner,

			CreateUser: makeUser("admin"),

			ExpectedUserName: "admin2",
		},
		"provision with existing unmapped identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateIdentity: makeIdentity("idp", "bob"),
//.........这里部分代码省略.........

func BuildMasterConfig(options configapi.MasterConfig) (*MasterConfig, error) {
	client, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
	if err != nil {
		return nil, err
	}
	etcdHelper, err := NewEtcdStorage(client, options.EtcdStorageConfig.OpenShiftStorageVersion, options.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		return nil, fmt.Errorf("Error setting up server storage: %v", err)
	}

	clientCAs, err := configapi.GetClientCertCAPool(options)
	if err != nil {
		return nil, err
	}
	apiClientCAs, err := configapi.GetAPIClientCertCAPool(options)
	if err != nil {
		return nil, err
	}

	privilegedLoopbackKubeClient, _, err := configapi.GetKubeClient(options.MasterClients.OpenShiftLoopbackKubeConfig)
	if err != nil {
		return nil, err
	}
	privilegedLoopbackOpenShiftClient, privilegedLoopbackClientConfig, err := configapi.GetOpenShiftClient(options.MasterClients.OpenShiftLoopbackKubeConfig)
	if err != nil {
		return nil, err
	}

	imageTemplate := variable.NewDefaultImageTemplate()
	imageTemplate.Format = options.ImageConfig.Format
	imageTemplate.Latest = options.ImageConfig.Latest

	policyCache, policyClient := newReadOnlyCacheAndClient(etcdHelper)
	requestContextMapper := kapi.NewRequestContextMapper()

	groupCache := usercache.NewGroupCache(groupregistry.NewRegistry(groupstorage.NewREST(etcdHelper)))

	kubeletClientConfig := configapi.GetKubeletClientConfig(options)

	// in-order list of plug-ins that should intercept admission decisions (origin only intercepts)
	admissionControlPluginNames := []string{"OriginNamespaceLifecycle", "BuildByStrategy"}

	admissionClient := admissionControlClient(privilegedLoopbackKubeClient, privilegedLoopbackOpenShiftClient)
	admissionController := admission.NewFromPlugins(admissionClient, admissionControlPluginNames, "")

	serviceAccountTokenGetter, err := newServiceAccountTokenGetter(options, client)
	if err != nil {
		return nil, err
	}

	config := &MasterConfig{
		Options: options,

		Authenticator:                 newAuthenticator(options, etcdHelper, serviceAccountTokenGetter, apiClientCAs, groupCache),
		Authorizer:                    newAuthorizer(policyClient, options.ProjectConfig.ProjectRequestMessage),
		AuthorizationAttributeBuilder: newAuthorizationAttributeBuilder(requestContextMapper),

		PolicyCache:               policyCache,
		GroupCache:                groupCache,
		ProjectAuthorizationCache: newProjectAuthorizationCache(privilegedLoopbackOpenShiftClient, privilegedLoopbackKubeClient, policyClient),

		RequestContextMapper: requestContextMapper,

		AdmissionControl: admissionController,

		TLS: configapi.UseTLS(options.ServingInfo.ServingInfo),

		ControllerPlug: plug.NewPlug(!options.PauseControllers),

		ImageFor:            imageTemplate.ExpandOrDie,
		EtcdHelper:          etcdHelper,
		EtcdClient:          client,
		KubeletClientConfig: kubeletClientConfig,

		ClientCAs:    clientCAs,
		APIClientCAs: apiClientCAs,

		PrivilegedLoopbackClientConfig:     *privilegedLoopbackClientConfig,
		PrivilegedLoopbackOpenShiftClient:  privilegedLoopbackOpenShiftClient,
		PrivilegedLoopbackKubernetesClient: privilegedLoopbackKubeClient,

		BuildControllerServiceAccount:       bootstrappolicy.InfraBuildControllerServiceAccountName,
		DeploymentControllerServiceAccount:  bootstrappolicy.InfraDeploymentControllerServiceAccountName,
		ReplicationControllerServiceAccount: bootstrappolicy.InfraReplicationControllerServiceAccountName,
	}

	return config, nil
}

func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client) (*MasterConfig, error) {
	if options.KubernetesMasterConfig == nil {
		return nil, errors.New("insufficient information to build KubernetesMasterConfig")
	}

	// Connect and setup etcd interfaces
	etcdClient, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
	if err != nil {
		return nil, err
	}
	databaseStorage, err := master.NewEtcdStorage(etcdClient, kapilatest.InterfacesFor, options.EtcdStorageConfig.KubernetesStorageVersion, options.EtcdStorageConfig.KubernetesStoragePrefix)
	if err != nil {
		return nil, fmt.Errorf("Error setting up Kubernetes server storage: %v", err)
	}

	kubeletClientConfig := configapi.GetKubeletClientConfig(options)
	kubeletClient, err := kclient.NewKubeletClient(kubeletClientConfig)
	if err != nil {
		return nil, fmt.Errorf("unable to configure Kubelet client: %v", err)
	}

	// in-order list of plug-ins that should intercept admission decisions
	// TODO: Push node environment support to upstream in future

	_, portString, err := net.SplitHostPort(options.ServingInfo.BindAddress)
	if err != nil {
		return nil, err
	}
	port, err := strconv.Atoi(portString)
	if err != nil {
		return nil, err
	}

	portRange, err := util.ParsePortRange(options.KubernetesMasterConfig.ServicesNodePortRange)
	if err != nil {
		return nil, err
	}

	podEvictionTimeout, err := time.ParseDuration(options.KubernetesMasterConfig.PodEvictionTimeout)
	if err != nil {
		return nil, fmt.Errorf("unable to parse PodEvictionTimeout: %v", err)
	}

	server := app.NewAPIServer()
	server.EventTTL = 2 * time.Hour
	server.ServiceClusterIPRange = util.IPNet(flagtypes.DefaultIPNet(options.KubernetesMasterConfig.ServicesSubnet))
	server.ServiceNodePortRange = *portRange
	server.AdmissionControl = strings.Join([]string{
		"NamespaceExists", "NamespaceLifecycle", "OriginPodNodeEnvironment", "LimitRanger", "ServiceAccount", "SecurityContextConstraint", "ResourceQuota",
	}, ",")

	// resolve extended arguments
	// TODO: this should be done in config validation (along with the above) so we can provide
	// proper errors
	if err := cmdflags.Resolve(options.KubernetesMasterConfig.APIServerArguments, server.AddFlags); len(err) > 0 {
		return nil, kerrors.NewAggregate(err)
	}

	cmserver := cmapp.NewCMServer()
	cmserver.PodEvictionTimeout = podEvictionTimeout
	// resolve extended arguments
	// TODO: this should be done in config validation (along with the above) so we can provide
	// proper errors
	if err := cmdflags.Resolve(options.KubernetesMasterConfig.ControllerArguments, cmserver.AddFlags); len(err) > 0 {
		return nil, kerrors.NewAggregate(err)
	}

	cloud, err := cloudprovider.InitCloudProvider(cmserver.CloudProvider, cmserver.CloudConfigFile)
	if err != nil {
		return nil, err
	}

	admissionController := admission.NewFromPlugins(kubeClient, strings.Split(server.AdmissionControl, ","), server.AdmissionControlConfigFile)

	m := &master.Config{
		PublicAddress: net.ParseIP(options.KubernetesMasterConfig.MasterIP),
		ReadWritePort: port,

		DatabaseStorage:    databaseStorage,
		ExpDatabaseStorage: databaseStorage,

		EventTTL: server.EventTTL,
		//MinRequestTimeout: server.MinRequestTimeout,

		ServiceClusterIPRange: (*net.IPNet)(&server.ServiceClusterIPRange),
		ServiceNodePortRange:  server.ServiceNodePortRange,

		RequestContextMapper: requestContextMapper,

		KubeletClient: kubeletClient,
		APIPrefix:     KubeAPIPrefix,

		EnableCoreControllers: true,

		MasterCount: options.KubernetesMasterConfig.MasterCount,

		Authorizer:       apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl: admissionController,

		EnableV1Beta3: configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1beta3"),
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentityWithUserReference("idp", "bob", "mappeduser", "invalidUID"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"claim with existing mapped identity without user backreference": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),
			// Update user to a version which does not reference the identity
			UpdateUser: makeUser("mappeduser"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"claim returns existing mapping": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName:   "mappeduser",
			ExpectedIdentities: []string{"idp:bob"},
		},
	}

	oldEtcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	for k, testcase := range testcases {
		// Cleanup
		if _, err := oldEtcdClient.Delete(path.Join(masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix, useretcd.EtcdPrefix), true); err != nil && !etcdutil.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up users: %v", err)
		}
		if _, err := oldEtcdClient.Delete(path.Join(masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix, identityetcd.EtcdPrefix), true); err != nil && !etcdutil.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up identities: %v", err)
		}

		// Pre-create items
		if testcase.CreateUser != nil {
			_, err := clusterAdminClient.Users().Create(testcase.CreateUser)
			if err != nil {
				t.Errorf("%s: Could not create user: %v", k, err)
				continue
			}
		}
		if testcase.CreateIdentity != nil {
			_, err := clusterAdminClient.Identities().Create(testcase.CreateIdentity)
			if err != nil {
				t.Errorf("%s: Could not create identity: %v", k, err)
				continue
			}
		}
		if testcase.CreateMapping != nil {
			_, err := clusterAdminClient.UserIdentityMappings().Update(testcase.CreateMapping)
			if err != nil {
				t.Errorf("%s: Could not create mapping: %v", k, err)