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")
}
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)
})