Golang cf_http.Initialize函數代碼示例

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("auctioneer")
	initializeDropsonde(logger)

	if err := validateBBSAddress(); err != nil {
		logger.Fatal("invalid-bbs-address", err)
	}

	consulClient, err := consuladapter.NewClientFromUrl(*consulCluster)
	if err != nil {
		logger.Fatal("new-client-failed", err)
	}

	port, err := strconv.Atoi(strings.Split(*listenAddr, ":")[1])
	if err != nil {
		logger.Fatal("invalid-port", err)
	}

	clock := clock.NewClock()
	auctioneerServiceClient := auctioneer.NewServiceClient(consulClient, clock)

	auctionRunner := initializeAuctionRunner(logger, *cellStateTimeout,
		initializeBBSClient(logger), *startingContainerWeight)
	auctionServer := initializeAuctionServer(logger, auctionRunner)
	lockMaintainer := initializeLockMaintainer(logger, auctioneerServiceClient, port)
	registrationRunner := initializeRegistrationRunner(logger, consulClient, clock, port)

	members := grouper.Members{
		{"lock-maintainer", lockMaintainer},
		{"auction-runner", auctionRunner},
		{"auction-server", auctionServer},
		{"registration-runner", registrationRunner},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("file-server")

	initializeDropsonde(logger)

	members := grouper.Members{
		{"file server", initializeServer(logger)},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))
	logger.Info("ready")

	err := <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("auctioneer")
	initializeDropsonde(logger)

	if err := validateBBSAddress(); err != nil {
		logger.Fatal("invalid-bbs-address", err)
	}

	client, err := consuladapter.NewClient(*consulCluster)
	if err != nil {
		logger.Fatal("new-client-failed", err)
	}

	sessionMgr := consuladapter.NewSessionManager(client)
	consulSession, err := consuladapter.NewSession("auctioneer", *lockTTL, client, sessionMgr)
	if err != nil {
		logger.Fatal("consul-session-failed", err)
	}

	clock := clock.NewClock()
	bbsServiceClient := bbs.NewServiceClient(consulSession, clock)
	auctioneerServiceClient := auctioneer.NewServiceClient(consulSession, clock)

	auctionRunner := initializeAuctionRunner(logger, *cellStateTimeout, initializeBBSClient(logger), bbsServiceClient)
	auctionServer := initializeAuctionServer(logger, auctionRunner)
	lockMaintainer := initializeLockMaintainer(logger, auctioneerServiceClient)

	members := grouper.Members{
		{"lock-maintainer", lockMaintainer},
		{"auction-runner", auctionRunner},
		{"auction-server", auctionServer},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New(*sessionName)
	natsClient := diegonats.NewClient()
	clock := clock.NewClock()
	syncer := syncer.NewSyncer(clock, *syncInterval, natsClient, logger)

	initializeDropsonde(logger)

	natsClientRunner := diegonats.NewClientRunner(*natsAddresses, *natsUsername, *natsPassword, logger, natsClient)

	table := initializeRoutingTable()
	emitter := initializeNatsEmitter(natsClient, logger)
	watcher := ifrit.RunFunc(func(signals <-chan os.Signal, ready chan<- struct{}) error {
		return watcher.NewWatcher(initializeBBSClient(logger), clock, table, emitter, syncer.Events(), logger).Run(signals, ready)
	})

	syncRunner := ifrit.RunFunc(func(signals <-chan os.Signal, ready chan<- struct{}) error {
		return syncer.Run(signals, ready)
	})

	lockMaintainer := initializeLockMaintainer(logger, *consulCluster, *sessionName, *lockTTL, *lockRetryInterval, clock)

	members := grouper.Members{
		{"lock-maintainer", lockMaintainer},
		{"nats-client", natsClientRunner},
		{"watcher", watcher},
		{"syncer", syncRunner},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err := <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("ssh-proxy")

	initializeDropsonde(logger)

	proxyConfig, err := configureProxy(logger)
	if err != nil {
		logger.Error("configure-failed", err)
		os.Exit(1)
	}

	sshProxy := proxy.New(logger, proxyConfig)
	server := server.NewServer(logger, *address, sshProxy)

	consulClient, err := consuladapter.NewClientFromUrl(*consulCluster)
	if err != nil {
		logger.Fatal("new-client-failed", err)
	}

	registrationRunner := initializeRegistrationRunner(logger, consulClient, *address, clock.NewClock())

	members := grouper.Members{
		{"ssh-proxy", server},
		{"registration-runner", registrationRunner},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{{
			"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink),
		}}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)
	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
	os.Exit(0)
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)

	lifecycles := flags.LifecycleMap{}
	flag.Var(&lifecycles, "lifecycle", "app lifecycle binary bundle mapping (lifecycle[/stack]:bundle-filepath-in-fileserver)")
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)
	logger, reconfigurableSink := cf_lager.New("nsync-listener")

	initializeDropsonde(logger)

	recipeBuilderConfig := recipebuilder.Config{
		Lifecycles:    lifecycles,
		FileServerURL: *fileServerURL,
		KeyFactory:    keys.RSAKeyPairFactory,
	}
	recipeBuilders := map[string]recipebuilder.RecipeBuilder{
		"buildpack": recipebuilder.NewBuildpackRecipeBuilder(logger, recipeBuilderConfig),
		"docker":    recipebuilder.NewDockerRecipeBuilder(logger, recipeBuilderConfig),
	}

	handler := handlers.New(logger, initializeBBSClient(logger), recipeBuilders)

	members := grouper.Members{
		{"server", http_server.New(*listenAddress, handler)},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err := <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("ssh-proxy")

	err := dropsonde.Initialize(dropsondeDestination, dropsondeOrigin)
	if err != nil {
		logger.Error("failed-to-initialize-dropsonde", err)
	}

	proxyConfig, err := configureProxy(logger)
	if err != nil {
		logger.Error("configure-failed", err)
		os.Exit(1)
	}

	sshProxy := proxy.New(logger, proxyConfig)
	server := server.NewServer(logger, *address, sshProxy)

	members := grouper.Members{
		{"ssh-proxy", server},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{{
			"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink),
		}}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)
	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
	os.Exit(0)
}

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/ghttp"
)

var _ = Describe("TaskWorker", func() {
	var (
		fakeServer *ghttp.Server
		logger     *lagertest.TestLogger
		timeout    time.Duration
	)

	BeforeEach(func() {
		timeout = 1 * time.Second
		cf_http.Initialize(timeout)
		fakeServer = ghttp.NewServer()

		logger = lagertest.NewTestLogger("test")
		logger.RegisterSink(lager.NewWriterSink(GinkgoWriter, lager.INFO))
	})

	AfterEach(func() {
		fakeServer.Close()
	})

	Describe("HandleCompletedTask", func() {
		var (
			callbackURL string
			taskDB      *dbfakes.FakeTaskDB
			statusCodes chan int

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)

	lifecycles := flags.LifecycleMap{}
	flag.Var(&lifecycles, "lifecycle", "app lifecycle binary bundle mapping (lifecycle[/stack]:bundle-filepath-in-fileserver)")
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)
	logger, reconfigurableSink := cf_lager.New("nsync-listener")

	initializeDropsonde(logger)

	recipeBuilderConfig := recipebuilder.Config{
		Lifecycles:    lifecycles,
		FileServerURL: *fileServerURL,
		KeyFactory:    keys.RSAKeyPairFactory,
	}
	recipeBuilders := map[string]recipebuilder.RecipeBuilder{
		"buildpack": recipebuilder.NewBuildpackRecipeBuilder(logger, recipeBuilderConfig),
		"docker":    recipebuilder.NewDockerRecipeBuilder(logger, recipeBuilderConfig),
	}

	handler := handlers.New(logger, initializeBBSClient(logger), recipeBuilders)

	consulClient, err := consuladapter.NewClientFromUrl(*consulCluster)
	if err != nil {
		logger.Fatal("new-consul-client-failed", err)
	}

	_, portString, err := net.SplitHostPort(*listenAddress)
	if err != nil {
		logger.Fatal("failed-invalid-listen-address", err)
	}
	portNum, err := net.LookupPort("tcp", portString)
	if err != nil {
		logger.Fatal("failed-invalid-listen-port", err)
	}

	clock := clock.NewClock()
	registrationRunner := initializeRegistrationRunner(logger, consulClient, portNum, clock)

	members := grouper.Members{
		{"server", http_server.New(*listenAddress, handler)},
		{"registration-runner", registrationRunner},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	etcdFlags := etcdstoreadapter.AddFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("receptor")
	logger.Info("starting")

	initializeDropsonde(logger)

	etcdOptions, err := etcdFlags.Validate()
	if err != nil {
		logger.Fatal("etcd-validation-failed", err)
	}

	if err := validateNatsArguments(); err != nil {
		logger.Error("invalid-nats-flags", err)
		os.Exit(1)
	}

	bbs := initializeReceptorBBS(etcdOptions, logger)
	hub := event.NewHub()

	handler := handlers.New(bbs, hub, logger, *username, *password, *corsEnabled)

	worker, enqueue := task_handler.NewTaskWorkerPool(bbs, logger)
	taskHandler := task_handler.New(enqueue, logger)
	lrpChangeWatcher := watcher.NewWatcher(
		bbs,
		hub,
		clock.NewClock(),
		bbsWatchRetryWaitDuration,
		logger,
	)

	members := grouper.Members{
		{"lrp-change-watcher", lrpChangeWatcher},
		{"server", http_server.New(*serverAddress, handler)},
		{"worker", worker},
		{"task-complete-handler", http_server.New(*taskHandlerAddress, taskHandler)},
		{"hub-closer", closeHub(logger.Session("hub-closer"), hub)},
	}

	if *registerWithRouter {
		registration := initializeServerRegistration(logger)
		natsClient := diegonats.NewClient()
		members = append(members, grouper.Member{
			Name:   "background-heartbeat",
			Runner: natbeat.NewBackgroundHeartbeat(natsClient, *natsAddresses, *natsUsername, *natsPassword, logger, registration),
		})
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	etcdFlags := AddETCDFlags(flag.CommandLine)
	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("bbs")
	logger.Info("starting")

	initializeDropsonde(logger)

	etcdOptions, err := etcdFlags.Validate()
	if err != nil {
		logger.Fatal("etcd-validation-failed", err)
	}

	var etcdClient *etcdclient.Client
	if etcdOptions.IsSSL {
		etcdClient, err = etcdclient.NewTLSClient(etcdOptions.ClusterUrls, etcdOptions.CertFile, etcdOptions.KeyFile, etcdOptions.CAFile)
		if err != nil {
			logger.Fatal("failed-to-construct-etcd-tls-client", err)
		}
	} else {
		etcdClient = etcdclient.NewClient(etcdOptions.ClusterUrls)
	}
	etcdClient.SetConsistency(etcdclient.STRONG_CONSISTENCY)

	err = validateAuctioneerFlag()
	if err != nil {
		logger.Fatal("auctioneer-address-validation-failed", err)
	}
	auctioneerClient := auctionhandlers.NewClient(*auctioneerAddress)
	consulSession := initializeConsul(logger)
	consulDB := consuldb.NewConsul(consulSession)
	cellClient := cellhandlers.NewClient()
	db := etcddb.NewETCD(etcdClient, auctioneerClient, cellClient, consulDB, clock.NewClock())
	hub := events.NewHub()
	watcher := watcher.NewWatcher(
		logger,
		db,
		hub,
		clock.NewClock(),
		bbsWatchRetryWaitDuration,
	)

	handler := handlers.New(logger, db, hub)

	members := grouper.Members{
		{"watcher", watcher},
		{"server", http_server.New(*serverAddress, handler)},
		{"hub-closer", closeHub(logger.Session("hub-closer"), hub)},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
			{"debug-server", cf_debug_server.Runner(dbgAddr, reconfigurableSink)},
		}, members...)
	}

	group := grouper.NewOrdered(os.Interrupt, members)

	monitor := ifrit.Invoke(sigmon.New(group))

	logger.Info("started")

	err = <-monitor.Wait()
	if err != nil {
		logger.Error("exited-with-failure", err)
		os.Exit(1)
	}

	logger.Info("exited")
}

func configure(logger lager.Logger) (*ssh.ServerConfig, error) {
	cf_http.Initialize(*communicationTimeout)

	if *diegoAPIURL == "" {
		err := errors.New("diegoAPIURL is required")
		logger.Fatal("diego-api-url-required", err)
	}

	url, err := url.Parse(*diegoAPIURL)
	if err != nil {
		logger.Fatal("failed-to-parse-diego-api-url", err)
	}

	_, err = url.Parse(*ccAPIURL)
	if *ccAPIURL != "" && err != nil {
		logger.Fatal("failed-to-parse-cc-api-url", err)
	}

	var diegoCreds string
	if url.User != nil {
		diegoCreds = url.User.String()
	}

	receptorClient := receptor.NewClient(*diegoAPIURL)

	authenticatorMap := map[string]authenticators.PasswordAuthenticator{}

	if *enableDiegoAuth {
		diegoAuthenticator := authenticators.NewDiegoProxyAuthenticator(logger, receptorClient, []byte(diegoCreds))
		authenticatorMap[diegoAuthenticator.Realm()] = diegoAuthenticator
	}

	if *ccAPIURL != "" && *enableCFAuth {
		ccClient := cf_http.NewClient()
		cfAuthenticator := authenticators.NewCFAuthenticator(logger, ccClient, *ccAPIURL, receptorClient)
		authenticatorMap[cfAuthenticator.Realm()] = cfAuthenticator
	}

	authenticator := authenticators.NewCompositeAuthenticator(authenticatorMap)

	sshConfig := &ssh.ServerConfig{
		PasswordCallback: authenticator.Authenticate,
		AuthLogCallback: func(cmd ssh.ConnMetadata, method string, err error) {
			logger.Error("authentication-failed", err, lager.Data{"user": cmd.User()})
		},
	}

	if *hostKey == "" {
		err := errors.New("hostKey is required")
		logger.Fatal("host-key-required", err)
	}

	key, err := parsePrivateKey(logger, *hostKey)
	if err != nil {
		logger.Fatal("failed-to-parse-host-key", err)
	}

	sshConfig.AddHostKey(key)

	return sshConfig, err
}

	client, clientForServerThatErrors rep.Client

	fakeLRPStopper     *fake_lrp_stopper.FakeLRPStopper
	fakeExecutorClient *executorfakes.FakeClient
	fakeEvacuatable    *fake_evacuation_context.FakeEvacuatable
)

func TestRep(t *testing.T) {
	RegisterFailHandler(Fail)
	RunSpecs(t, "Rep Suite")
}

var _ = BeforeSuite(func() {
	cfHttpTimeout = 1 * time.Second
	cf_http.Initialize(cfHttpTimeout)
})

var _ = BeforeEach(func() {
	logger := lagertest.NewTestLogger("test")

	auctionRep = &repfakes.FakeClient{}
	fakeLRPStopper = &fake_lrp_stopper.FakeLRPStopper{}
	fakeExecutorClient = &executorfakes.FakeClient{}
	fakeEvacuatable = &fake_evacuation_context.FakeEvacuatable{}

	handler, err := rata.NewRouter(rep.Routes, handlers.New(auctionRep, fakeLRPStopper, fakeExecutorClient, fakeEvacuatable, logger))
	Expect(err).NotTo(HaveOccurred())
	server = httptest.NewServer(handler)

	client = rep.NewClient(&http.Client{}, server.URL)

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	etcdFlags := AddETCDFlags(flag.CommandLine)
	encryptionFlags := encryption.AddEncryptionFlags(flag.CommandLine)

	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("bbs")
	logger.Info("starting")

	initializeDropsonde(logger)

	clock := clock.NewClock()

	consulClient, err := consuladapter.NewClientFromUrl(*consulCluster)
	if err != nil {
		logger.Fatal("new-consul-client-failed", err)
	}

	serviceClient := bbs.NewServiceClient(consulClient, clock)

	maintainer := initializeLockMaintainer(logger, serviceClient)

	_, portString, err := net.SplitHostPort(*listenAddress)
	if err != nil {
		logger.Fatal("failed-invalid-listen-address", err)
	}
	portNum, err := net.LookupPort("tcp", portString)
	if err != nil {
		logger.Fatal("failed-invalid-listen-port", err)
	}

	_, portString, err = net.SplitHostPort(*healthAddress)
	if err != nil {
		logger.Fatal("failed-invalid-health-address", err)
	}
	_, err = net.LookupPort("tcp", portString)
	if err != nil {
		logger.Fatal("failed-invalid-health-port", err)
	}

	registrationRunner := initializeRegistrationRunner(logger, consulClient, portNum, clock)

	cbWorkPool := taskworkpool.New(logger, *taskCallBackWorkers, taskworkpool.HandleCompletedTask)

	var activeDB db.DB
	var sqlDB *sqldb.SQLDB
	var sqlConn *sql.DB
	var storeClient etcddb.StoreClient
	var etcdDB *etcddb.ETCDDB

	key, keys, err := encryptionFlags.Parse()
	if err != nil {
		logger.Fatal("cannot-setup-encryption", err)
	}
	keyManager, err := encryption.NewKeyManager(key, keys)
	if err != nil {
		logger.Fatal("cannot-setup-encryption", err)
	}
	cryptor := encryption.NewCryptor(keyManager, rand.Reader)

	etcdOptions, err := etcdFlags.Validate()
	if err != nil {
		logger.Fatal("etcd-validation-failed", err)
	}

	if etcdOptions.IsConfigured {
		storeClient = initializeEtcdStoreClient(logger, etcdOptions)
		etcdDB = initializeEtcdDB(logger, cryptor, storeClient, cbWorkPool, serviceClient, *desiredLRPCreationTimeout)
		activeDB = etcdDB
	}

	// If SQL database info is passed in, use SQL instead of ETCD
	if *databaseDriver != "" && *databaseConnectionString != "" {
		var err error
		connectionString := appendSSLConnectionStringParam(logger, *databaseDriver, *databaseConnectionString, *sqlCACertFile)

		sqlConn, err = sql.Open(*databaseDriver, connectionString)
		if err != nil {
			logger.Fatal("failed-to-open-sql", err)
		}
		defer sqlConn.Close()
		sqlConn.SetMaxOpenConns(*maxDatabaseConnections)
		sqlConn.SetMaxIdleConns(*maxDatabaseConnections)

		err = sqlConn.Ping()
		if err != nil {
			logger.Fatal("sql-failed-to-connect", err)
		}

		sqlDB = sqldb.NewSQLDB(sqlConn, *convergenceWorkers, *updateWorkers, format.ENCRYPTED_PROTO, cryptor, guidprovider.DefaultGuidProvider, clock, *databaseDriver)
		err = sqlDB.CreateConfigurationsTable(logger)
		if err != nil {
			logger.Fatal("sql-failed-create-configurations-table", err)
		}
		activeDB = sqlDB
	}
//.........這裏部分代碼省略.........

func main() {
	cf_debug_server.AddFlags(flag.CommandLine)
	cf_lager.AddFlags(flag.CommandLine)
	etcdFlags := AddETCDFlags(flag.CommandLine)
	encryptionFlags := encryption.AddEncryptionFlags(flag.CommandLine)

	flag.Parse()

	cf_http.Initialize(*communicationTimeout)

	logger, reconfigurableSink := cf_lager.New("bbs")
	logger.Info("starting")

	initializeDropsonde(logger)

	clock := clock.NewClock()

	consulClient, err := consuladapter.NewClient(*consulCluster)
	if err != nil {
		logger.Fatal("new-consul-client-failed", err)
	}

	sessionManager := consuladapter.NewSessionManager(consulClient)

	serviceClient := initializeServiceClient(logger, clock, consulClient, sessionManager)

	cbWorkPool := taskworkpool.New(logger, *taskCallBackWorkers, taskworkpool.HandleCompletedTask)

	keyManager, err := encryptionFlags.Validate()
	if err != nil {
		logger.Fatal("cannot-setup-encryption", err)
	}
	cryptor := encryption.NewCryptor(keyManager, rand.Reader)

	etcdOptions, err := etcdFlags.Validate()
	if err != nil {
		logger.Fatal("etcd-validation-failed", err)
	}
	storeClient := initializeEtcdStoreClient(logger, etcdOptions)

	db := initializeEtcdDB(logger, cryptor, storeClient, cbWorkPool, serviceClient)

	migrationsDone := make(chan struct{})

	maintainer := initializeLockMaintainer(logger, serviceClient)

	migrationManager := migration.NewManager(logger,
		db,
		cryptor,
		storeClient,
		migrations.Migrations,
		migrationsDone,
		clock,
	)

	encryptor := encryptor.New(logger, db, keyManager, cryptor, storeClient, clock)

	hub := events.NewHub()

	watcher := watcher.NewWatcher(
		logger,
		db,
		hub,
		clock,
		bbsWatchRetryWaitDuration,
	)

	handler := handlers.New(logger, db, hub, migrationsDone)

	metricsNotifier := metrics.NewPeriodicMetronNotifier(
		logger,
		*reportInterval,
		etcdOptions,
		clock,
	)

	var server ifrit.Runner
	if *requireSSL {
		tlsConfig, err := cf_http.NewTLSConfig(*certFile, *keyFile, *caFile)
		if err != nil {
			logger.Fatal("tls-configuration-failed", err)
		}
		server = http_server.NewTLSServer(*listenAddress, handler, tlsConfig)
	} else {
		server = http_server.New(*listenAddress, handler)
	}

	members := grouper.Members{
		{"lock-maintainer", maintainer},
		{"workPool", cbWorkPool},
		{"server", server},
		{"migration-manager", migrationManager},
		{"encryptor", encryptor},
		{"watcher", watcher},
		{"hub-closer", closeHub(logger.Session("hub-closer"), hub)},
		{"metrics", *metricsNotifier},
	}

	if dbgAddr := cf_debug_server.DebugAddress(flag.CommandLine); dbgAddr != "" {
		members = append(grouper.Members{
//.........這裏部分代碼省略.........