Beispiel #1
0
func main() {
	c := config.DefaultConfig()
	logCounter := vcap.NewLogCounter()

	if configFile != "" {
		c = config.InitConfigFromFile(configFile)
	}

	InitLoggerFromConfig(c, logCounter)
	logger := steno.NewLogger("router.main")

	err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
	if err != nil {
		logger.Errorf("Dropsonde failed to initialize: %s", err.Error())
		os.Exit(1)
	}

	// setup number of procs
	if c.GoMaxProcs != 0 {
		runtime.GOMAXPROCS(c.GoMaxProcs)
	}

	if c.DebugAddr != "" {
		cf_debug_server.Run(c.DebugAddr)
	}

	logger.Info("Setting up NATs connection")
	natsClient := connectToNatsServer(c, logger)

	registry := rregistry.NewRouteRegistry(c, natsClient)

	logger.Info("Setting up routing_api route fetcher")
	setupRouteFetcher(c, registry)

	varz := rvarz.NewVarz(registry)

	accessLogger, err := access_log.CreateRunningAccessLogger(c)
	if err != nil {
		logger.Fatalf("Error creating access logger: %s\n", err)
	}

	proxy := buildProxy(c, registry, accessLogger, varz)

	router, err := router.NewRouter(c, proxy, natsClient, registry, varz, logCounter)
	if err != nil {
		logger.Errorf("An error occurred: %s", err.Error())
		os.Exit(1)
	}

	errChan := router.Run()

	logger.Info("gorouter.started")

	waitOnErrOrSignal(c, logger, errChan, router)

	os.Exit(0)
}
Beispiel #2
0
func main() {
	c := config.DefaultConfig()
	logCounter := vcap.NewLogCounter()

	if configFile != "" {
		c = config.InitConfigFromFile(configFile)
	}

	InitLoggerFromConfig(c, logCounter)
	logger := steno.NewLogger("router.main")

	err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
	if err != nil {
		logger.Errorf("Dropsonde failed to initialize: %s", err.Error())
		os.Exit(1)
	}

	// setup number of procs
	if c.GoMaxProcs != 0 {
		runtime.GOMAXPROCS(c.GoMaxProcs)
	}

	if c.DebugAddr != "" {
		cf_debug_server.Run(c.DebugAddr)
	}

	natsServers := c.NatsServers()
	var natsClient yagnats.NATSConn
	attempts := 3
	for attempts > 0 {
		natsClient, err = yagnats.Connect(natsServers)
		if err == nil {
			break
		} else {
			attempts--
			time.Sleep(100 * time.Millisecond)
		}
	}

	if err != nil {
		logger.Errorf("Error connecting to NATS: %s\n", err)
		os.Exit(1)
	}

	natsClient.AddClosedCB(func(conn *nats.Conn) {
		logger.Errorf("Close on NATS client. nats.Conn: %+v", *conn)
		os.Exit(1)
	})

	registry := rregistry.NewRouteRegistry(c, natsClient)

	if c.RoutingApiEnabled() {
		logger.Info("Setting up routing_api route fetcher")
		tokenFetcher := token_fetcher.NewTokenFetcher(&c.OAuth)
		routingApiUri := fmt.Sprintf("%s:%d", c.RoutingApi.Uri, c.RoutingApi.Port)
		routingApiClient := routing_api.NewClient(routingApiUri)
		routeFetcher := route_fetcher.NewRouteFetcher(steno.NewLogger("router.route_fetcher"), tokenFetcher, registry, c, routingApiClient, 1)
		routeFetcher.StartFetchCycle()
		routeFetcher.StartEventCycle()
	}

	varz := rvarz.NewVarz(registry)

	accessLogger, err := access_log.CreateRunningAccessLogger(c)
	if err != nil {
		logger.Fatalf("Error creating access logger: %s\n", err)
	}

	args := proxy.ProxyArgs{
		EndpointTimeout: c.EndpointTimeout,
		Ip:              c.Ip,
		TraceKey:        c.TraceKey,
		Registry:        registry,
		Reporter:        varz,
		AccessLogger:    accessLogger,
		SecureCookies:   c.SecureCookies,
	}
	p := proxy.NewProxy(args)

	router, err := router.NewRouter(c, p, natsClient, registry, varz, logCounter)
	if err != nil {
		logger.Errorf("An error occurred: %s", err.Error())
		os.Exit(1)
	}

	signals := make(chan os.Signal, 1)
	signal.Notify(signals, syscall.SIGTERM, syscall.SIGINT, syscall.SIGUSR1)

	errChan := router.Run()

	logger.Info("gorouter.started")

	select {
	case err := <-errChan:
		if err != nil {
			logger.Errorf("Error occurred: %s", err.Error())
			os.Exit(1)
		}
	case sig := <-signals:
		go func() {
			for sig := range signals {
				logger.Infod(
					map[string]interface{}{
						"signal": sig.String(),
					},
					"gorouter.signal.ignored",
				)
			}
		}()

		if sig == syscall.SIGUSR1 {
			logger.Infod(
				map[string]interface{}{
					"timeout": (c.DrainTimeout).String(),
				},
				"gorouter.draining",
			)

			router.Drain(c.DrainTimeout)
		}

		stoppingAt := time.Now()

		logger.Info("gorouter.stopping")

		router.Stop()

		logger.Infod(
			map[string]interface{}{
				"took": time.Since(stoppingAt).String(),
			},
			"gorouter.stopped",
		)
	}

	os.Exit(0)
}
Beispiel #3
0
func main() {
	flag.StringVar(&configFile, "c", "", "Configuration File")
	cf_lager.AddFlags(flag.CommandLine)
	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 := cf_lager.New(prefix)
	InitLoggerFromConfig(logger, c, logCounter)

	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 != "" {
		cf_debug_server.Run(c.DebugAddr, reconfigurableSink)
	}

	logger.Info("setting-up-nats-connection")
	natsClient := connectToNatsServer(logger.Session("nats"), c)
	logger.Info("Successfully-connected-to-nats")

	metricsReporter := metrics.NewMetricsReporter()
	registry := rregistry.NewRouteRegistry(logger.Session("registry"), c, metricsReporter)

	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)

	router, err := router.NewRouter(logger.Session("router"), c, proxy, natsClient, registry, varz, logCounter, nil)
	if err != nil {
		logger.Fatal("initialize-router-error", err)
	}

	members := grouper.Members{
		{"router", 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{"router-fetcher", 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)
}
Beispiel #4
0
func main() {
	c := config.DefaultConfig()
	logCounter := vcap.NewLogCounter()

	if configFile != "" {
		c = config.InitConfigFromFile(configFile)
	}

	InitLoggerFromConfig(c, logCounter)
	logger := steno.NewLogger("router.main")

	err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
	if err != nil {
		logger.Errorf("Dropsonde failed to initialize: %s", err.Error())
		os.Exit(1)
	}

	// setup number of procs
	if c.GoMaxProcs != 0 {
		runtime.GOMAXPROCS(c.GoMaxProcs)
	}

	if c.DebugAddr != "" {
		cf_debug_server.Run(c.DebugAddr)
	}

	logger.Info("Setting up etcd connection")
	etcdEndpoint, err := endpoint.NewEtcdEndpoint(c)
	if err != nil {
		os.Exit(1)
	}
	metricsReporter := metrics.NewMetricsReporter()
	registry := rregistry.NewRouteRegistry(c, etcdEndpoint, metricsReporter)

	logger.Info("Setting up routing_api route fetcher")
	setupRouteFetcher(c, registry)

	varz := rvarz.NewVarz(registry)
	compositeReporter := metrics.NewCompositeReporter(varz, metricsReporter)

	accessLogger, err := access_log.CreateRunningAccessLogger(c)
	if err != nil {
		logger.Fatalf("Error creating access logger: %s\n", err)
	}

	var crypto secure.Crypto
	var cryptoPrev secure.Crypto
	if c.RouteServiceEnabled {
		crypto = createCrypto(c.RouteServiceSecret, logger)
		if c.RouteServiceSecretPrev != "" {
			cryptoPrev = createCrypto(c.RouteServiceSecretPrev, logger)
		}
	}

	proxy := buildProxy(c, registry, accessLogger, compositeReporter, crypto, cryptoPrev)

	router, err := router.NewRouter(c, proxy, etcdEndpoint, registry, varz, logCounter)
	if err != nil {
		logger.Errorf("An error occurred: %s", err.Error())
		os.Exit(1)
	}

	errChan := router.Run()

	logger.Info("gorouter.started")

	waitOnErrOrSignal(c, logger, errChan, router)

	os.Exit(0)
}
				})
			})

			Context("when not set", func() {
				It("returns the empty string", func() {
					Ω(cf_debug_server.DebugAddress(flags)).Should(Equal(""))
				})
			})
		})
	})

	Describe("Run", func() {
		It("serves debug information", func() {
			address := "127.0.0.1:10003"

			err := cf_debug_server.Run(address)
			Ω(err).ShouldNot(HaveOccurred())

			debugResponse, err := http.Get(fmt.Sprintf("http://%s/debug/pprof/goroutine", address))
			Ω(err).ShouldNot(HaveOccurred())

			debugInfo, err := ioutil.ReadAll(debugResponse.Body)
			Ω(err).ShouldNot(HaveOccurred())

			Ω(debugInfo).Should(ContainSubstring("goroutine profile: total"))
		})

		Context("when the address is already in use", func() {
			It("returns an error", func() {
				address := "127.0.0.1:10004"
Beispiel #6
0
func main() {
	flag.StringVar(&configFile, "c", "", "Configuration File")
	cf_lager.AddFlags(flag.CommandLine)
	flag.Parse()

	c := config.DefaultConfig()
	logCounter := vcap.NewLogCounter()

	if configFile != "" {
		c = config.InitConfigFromFile(configFile)
	}

	InitLoggerFromConfig(c, logCounter)
	logger := steno.NewLogger("router.main")

	err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
	if err != nil {
		logger.Errorf("Dropsonde failed to initialize: %s", err.Error())
		os.Exit(1)
	}

	// setup number of procs
	if c.GoMaxProcs != 0 {
		runtime.GOMAXPROCS(c.GoMaxProcs)
	}

	if c.DebugAddr != "" {
		cf_debug_server.Run(c.DebugAddr)
	}

	logger.Info("Setting up NATs connection")
	natsClient := connectToNatsServer(logger, c)

	metricsReporter := metrics.NewMetricsReporter()
	registry := rregistry.NewRouteRegistry(c, natsClient, metricsReporter)

	varz := rvarz.NewVarz(registry)
	compositeReporter := metrics.NewCompositeReporter(varz, metricsReporter)

	accessLogger, err := access_log.CreateRunningAccessLogger(c)
	if err != nil {
		logger.Fatalf("Error creating access logger: %s\n", 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(c, registry, accessLogger, compositeReporter, crypto, cryptoPrev)

	router, err := router.NewRouter(c, proxy, natsClient, registry, varz, logCounter, nil)
	if err != nil {
		logger.Errorf("An error occurred: %s", err.Error())
		os.Exit(1)
	}

	members := grouper.Members{
		{"router", router},
	}
	if c.RoutingApiEnabled() {
		logger.Info("Setting up route fetcher")
		routeFetcher := setupRouteFetcher(logger, c, registry)
		members = append(members, grouper.Member{"router-fetcher", 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")
		os.Exit(1)
	}

	os.Exit(0)
}
					Expect(cf_debug_server.DebugAddress(flags)).To(Equal(address))
				})
			})

			Context("when not set", func() {
				It("returns the empty string", func() {
					Expect(cf_debug_server.DebugAddress(flags)).To(Equal(""))
				})
			})
		})
	})

	Describe("Run", func() {
		It("serves debug information", func() {
			var err error
			process, err = cf_debug_server.Run(address, sink)
			Expect(err).NotTo(HaveOccurred())

			debugResponse, err := http.Get(fmt.Sprintf("http://%s/debug/pprof/goroutine", address))
			Expect(err).NotTo(HaveOccurred())

			debugInfo, err := ioutil.ReadAll(debugResponse.Body)
			Expect(err).NotTo(HaveOccurred())

			Expect(debugInfo).To(ContainSubstring("goroutine profile: total"))

		})

		Context("when the address is already in use", func() {
			var listener net.Listener