Example #1
0
func parseCommandLine() {
	cf_lager.AddFlags(flag.CommandLine)
	cf_debug_server.AddFlags(flag.CommandLine)
	flag.Parse()
}
Example #2
0
func main() {
	debugserver.AddFlags(flag.CommandLine)
	lagerflags.AddFlags(flag.CommandLine)
	etcdFlags := AddETCDFlags(flag.CommandLine)
	encryptionFlags := encryption.AddEncryptionFlags(flag.CommandLine)

	flag.Parse()

	cfhttp.Initialize(*communicationTimeout)

	logger, reconfigurableSink := lagerflags.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)

	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, 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.SetIsolationLevel(logger, sqldb.IsolationLevelReadCommitted)
		if err != nil {
			logger.Fatal("sql-failed-to-set-isolation-level", err)
		}

		err = sqlDB.CreateConfigurationsTable(logger)
		if err != nil {
			logger.Fatal("sql-failed-create-configurations-table", err)
		}
		activeDB = sqlDB
	}

	if activeDB == nil {
		logger.Fatal("no-database-configured", errors.New("no database configured"))
	}

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

	migrationsDone := make(chan struct{})

	migrationManager := migration.NewManager(
		logger,
		etcdDB,
		storeClient,
		sqlDB,
		sqlConn,
		cryptor,
		migrations.Migrations,
		migrationsDone,
		clock,
		*databaseDriver,
	)

	desiredHub := events.NewHub()
	actualHub := events.NewHub()

	repTLSConfig := &rep.TLSConfig{
		RequireTLS:      *repRequireTLS,
		CaCertFile:      *repCACert,
		CertFile:        *repClientCert,
		KeyFile:         *repClientKey,
		ClientCacheSize: *repClientSessionCacheSize,
	}

	httpClient := cfhttp.NewClient()
	repClientFactory, err := rep.NewClientFactory(httpClient, httpClient, repTLSConfig)
	if err != nil {
		logger.Fatal("new-rep-client-factory-failed", err)
	}

	auctioneerClient := initializeAuctioneerClient(logger)

	exitChan := make(chan struct{})

	var accessLogger lager.Logger
	if *accessLogPath != "" {
		accessLogger = lager.NewLogger("bbs-access")
		file, err := os.OpenFile(*accessLogPath, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
		if err != nil {
			logger.Error("invalid-access-log-path", err, lager.Data{"access-log-path": *accessLogPath})
			os.Exit(1)
		}
		accessLogger.RegisterSink(lager.NewWriterSink(file, lager.INFO))
	}

	var tlsConfig *tls.Config
	if *requireSSL {
		tlsConfig, err = cfhttp.NewTLSConfig(*certFile, *keyFile, *caFile)
		if err != nil {
			logger.Fatal("tls-configuration-failed", err)
		}
	}

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

	handler := handlers.New(
		logger,
		accessLogger,
		*updateWorkers,
		*convergenceWorkers,
		activeDB,
		desiredHub,
		actualHub,
		cbWorkPool,
		serviceClient,
		auctioneerClient,
		repClientFactory,
		migrationsDone,
		exitChan,
	)

	metricsNotifier := metrics.NewPeriodicMetronNotifier(logger)

	retirer := controllers.NewActualLRPRetirer(activeDB, actualHub, repClientFactory, serviceClient)
	lrpConvergenceController := controllers.NewLRPConvergenceController(logger, activeDB, actualHub, auctioneerClient, serviceClient, retirer, *convergenceWorkers)
	taskController := controllers.NewTaskController(activeDB, cbWorkPool, auctioneerClient, serviceClient, repClientFactory)

	convergerProcess := converger.New(
		logger,
		clock,
		lrpConvergenceController,
		taskController,
		serviceClient,
		*convergeRepeatInterval,
		*kickTaskDuration,
		*expirePendingTaskDuration,
		*expireCompletedTaskDuration)

	var server ifrit.Runner
	if tlsConfig != nil {
		server = http_server.NewTLSServer(*listenAddress, handler, tlsConfig)
	} else {
		server = http_server.New(*listenAddress, handler)
	}

	healthcheckServer := http_server.New(*healthAddress, http.HandlerFunc(healthCheckHandler))

	members := grouper.Members{
		{"healthcheck", healthcheckServer},
		{"lock-maintainer", maintainer},
		{"workpool", cbWorkPool},
		{"server", server},
		{"migration-manager", migrationManager},
		{"encryptor", encryptor},
		{"hub-maintainer", hubMaintainer(logger, desiredHub, actualHub)},
		{"metrics", *metricsNotifier},
		{"converger", convergerProcess},
		{"registration-runner", registrationRunner},
	}

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

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

	monitor := ifrit.Invoke(sigmon.New(group))
	go func() {
		// If a handler writes to this channel, we've hit an unrecoverable error
		// and should shut down (cleanly)
		<-exitChan
		monitor.Signal(os.Interrupt)
	}()

	logger.Info("started")

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

	logger.Info("exited")
}