Example #1
0
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")
}
Example #2
0
	BeforeEach(func() {
		bbs = new(fake_bbs.FakeReceptorBBS)
		hub = new(eventfakes.FakeHub)
		clock = fakeclock.NewFakeClock(time.Now())
		logger := lagertest.NewTestLogger("test")

		desiredLRPStop = make(chan bool, 1)
		desiredLRPErrors = make(chan error)

		actualLRPStop = make(chan bool, 1)
		actualLRPErrors = make(chan error)

		bbs.WatchForDesiredLRPChangesReturns(desiredLRPStop, desiredLRPErrors)
		bbs.WatchForActualLRPChangesReturns(actualLRPStop, actualLRPErrors)

		receptorWatcher = watcher.NewWatcher(bbs, hub, clock, retryWaitDuration, logger)
	})

	AfterEach(func() {
		process.Signal(os.Interrupt)
		Eventually(process.Wait()).Should(Receive())
	})

	Describe("starting", func() {
		Context("when the hub initially reports no subscribers", func() {
			BeforeEach(func() {
				hub.RegisterCallbackStub = func(cb func(int)) {
					cb(0)
				}
				process = ifrit.Invoke(receptorWatcher)
			})