func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
flag.Parse()
uploaderConfig, err := config.NewUploaderConfig(*configPath)
if err != nil {
panic(err.Error())
}
logger, reconfigurableSink := lagerflags.NewFromConfig("cc-uploader", uploaderConfig.LagerConfig)
cfhttp.Initialize(communicationTimeout)
initializeDropsonde(logger, uploaderConfig)
consulClient, err := consuladapter.NewClientFromUrl(uploaderConfig.ConsulCluster)
if err != nil {
logger.Fatal("new-client-failed", err)
}
registrationRunner := initializeRegistrationRunner(logger, consulClient, uploaderConfig.ListenAddress, clock.NewClock())
members := grouper.Members{
{"cc-uploader", initializeServer(logger, uploaderConfig)},
{"registration-runner", registrationRunner},
}
if uploaderConfig.DebugServerConfig.DebugAddress != "" {
members = append(grouper.Members{
{"debug-server", debugserver.Runner(uploaderConfig.DebugServerConfig.DebugAddress, 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() {
flag.StringVar(&configFile, "c", "", "Configuration File")
flag.Parse()
c := config.DefaultConfig()
logCounter := schema.NewLogCounter()
if configFile != "" {
c = config.InitConfigFromFile(configFile)
}
prefix := "gorouter.stdout"
if c.Logging.Syslog != "" {
prefix = c.Logging.Syslog
}
logger, reconfigurableSink := lagerflags.NewFromConfig(prefix,
lagerflags.LagerConfig{LogLevel: c.Logging.Level})
logger.Info("starting")
err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
if err != nil {
logger.Fatal("dropsonde-initialize-error", err)
}
// setup number of procs
if c.GoMaxProcs != 0 {
runtime.GOMAXPROCS(c.GoMaxProcs)
}
if c.DebugAddr != "" {
debugserver.Run(c.DebugAddr, reconfigurableSink)
}
logger.Info("setting-up-nats-connection")
startMsgChan := make(chan struct{})
natsClient := connectToNatsServer(logger.Session("nats"), c, startMsgChan)
metricsReporter := metrics.NewMetricsReporter()
registry := rregistry.NewRouteRegistry(logger.Session("registry"), c, metricsReporter)
if c.SuspendPruningIfNatsUnavailable {
registry.SuspendPruning(func() bool { return !(natsClient.Status() == nats.CONNECTED) })
}
subscriber := createSubscriber(logger, c, natsClient, registry, startMsgChan)
varz := rvarz.NewVarz(registry)
compositeReporter := metrics.NewCompositeReporter(varz, metricsReporter)
accessLogger, err := access_log.CreateRunningAccessLogger(logger.Session("access-log"), c)
if err != nil {
logger.Fatal("error-creating-access-logger", err)
}
var crypto secure.Crypto
var cryptoPrev secure.Crypto
if c.RouteServiceEnabled {
crypto = createCrypto(logger, c.RouteServiceSecret)
if c.RouteServiceSecretPrev != "" {
cryptoPrev = createCrypto(logger, c.RouteServiceSecretPrev)
}
}
proxy := buildProxy(logger.Session("proxy"), c, registry, accessLogger, compositeReporter, crypto, cryptoPrev)
healthCheck = 0
router, err := router.NewRouter(logger.Session("router"), c, proxy, natsClient, registry, varz, &healthCheck, logCounter, nil)
if err != nil {
logger.Fatal("initialize-router-error", err)
}
members := grouper.Members{
grouper.Member{Name: "subscriber", Runner: subscriber},
grouper.Member{Name: "router", Runner: router},
}
if c.RoutingApiEnabled() {
logger.Info("setting-up-routing-api")
routeFetcher := setupRouteFetcher(logger.Session("route-fetcher"), c, registry)
// check connectivity to routing api
err = routeFetcher.FetchRoutes()
if err != nil {
logger.Fatal("routing-api-connection-failed", err)
}
members = append(members, grouper.Member{Name: "router-fetcher", Runner: routeFetcher})
}
group := grouper.NewOrdered(os.Interrupt, members)
monitor := ifrit.Invoke(sigmon.New(group, syscall.SIGTERM, syscall.SIGINT, syscall.SIGUSR1))
err = <-monitor.Wait()
if err != nil {
logger.Error("gorouter.exited-with-failure", err)
os.Exit(1)
}
os.Exit(0)
}