Example #1
0
func registerRoutes(c *cli.Context) {
	issues := checkFlags(c)
	issues = append(issues, checkArguments(c, "register")...)

	if len(issues) > 0 {
		printHelpForCommand(c, issues, "register")
	}

	client := routing_api.NewClient(c.String("api"))

	config := buildOauthConfig(c)
	fetcher := token_fetcher.NewTokenFetcher(&config)

	desiredRoutes := c.Args().First()
	var routes []db.Route

	err := json.Unmarshal([]byte(desiredRoutes), &routes)
	if err != nil {
		fmt.Println("Invalid json format.")
		os.Exit(3)
	}

	err = commands.Register(client, fetcher, routes)
	if err != nil {
		fmt.Println("route registration failed:", err)
		os.Exit(3)
	}

	fmt.Printf("Successfully registered routes: %s\n", desiredRoutes)
}
Example #2
0
func streamEvents(c *cli.Context) {
	issues := checkFlags(c)
	issues = append(issues, checkArguments(c, "events")...)

	if len(issues) > 0 {
		printHelpForCommand(c, issues, "events")
	}

	client := routing_api.NewClient(c.String("api"))

	config := buildOauthConfig(c)
	fetcher := token_fetcher.NewTokenFetcher(&config)
	eventSource, err := commands.Events(client, fetcher)
	if err != nil {
		fmt.Println("streaming events failed:", err)
		os.Exit(3)
	}

	for {
		e, err := eventSource.Next()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Connection closed: %s", err.Error())
			break
		}

		event, _ := json.Marshal(e)
		fmt.Printf("%v\n", string(event))
	}
}
Example #3
0
func newTokenFetcher(c *config.Config, logger *steno.Logger) token_fetcher.TokenFetcher {
	if c.RoutingApi.AuthDisabled {
		logger.Info("using noop token fetcher")
		return token_fetcher.NewNoOpTokenFetcher()
	}
	tokenFetcher := token_fetcher.NewTokenFetcher(&c.OAuth)
	logger.Info("using uaa token fetcher")
	return tokenFetcher
}
Example #4
0
func setupRouteFetcher(c *config.Config, registry rregistry.RegistryInterface) {
	if c.RoutingApiEnabled() {
		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()
	}
}
Example #5
0
func newTokenFetcher(logger lager.Logger, clock clock.Clock, c *config.Config) token_fetcher.TokenFetcher {
	if c.RoutingApi.AuthDisabled {
		logger.Info("using-noop-token-fetcher")
		return token_fetcher.NewNoOpTokenFetcher()
	}
	tokenFetcherConfig := token_fetcher.TokenFetcherConfig{
		MaxNumberOfRetries:   c.TokenFetcherMaxRetries,
		RetryInterval:        c.TokenFetcherRetryInterval,
		ExpirationBufferTime: c.TokenFetcherExpirationBufferTimeInSeconds,
	}

	logger.Info("fetching-token-from-uaa")
	tokenFetcher, err := token_fetcher.NewTokenFetcher(logger, &c.OAuth, tokenFetcherConfig, clock)
	if err != nil {
		logger.Fatal("initialize-token-fetcher-error", err)
	}
	return tokenFetcher
}
Example #6
0
func newTokenFetcher(logger *steno.Logger, clock clock.Clock, c *config.Config) token_fetcher.TokenFetcher {
	if c.RoutingApi.AuthDisabled {
		logger.Info("using noop token fetcher")
		return token_fetcher.NewNoOpTokenFetcher()
	}
	tokenFetcherConfig := token_fetcher.TokenFetcherConfig{
		MaxNumberOfRetries:   c.TokenFetcherMaxRetries,
		RetryInterval:        c.TokenFetcherRetryInterval,
		ExpirationBufferTime: c.TokenFetcherExpirationBufferTimeInSeconds,
	}
	cfLogger, _ := cf_lager.New("token_fetcher")
	tokenFetcher, err := token_fetcher.NewTokenFetcher(cfLogger, &c.OAuth, tokenFetcherConfig, clock)
	if err != nil {
		logger.Errorf("Error creating token fetcher: %s\n", err)
		os.Exit(1)
	}
	logger.Info("using uaa token fetcher")
	return tokenFetcher
}
Example #7
0
func listRoutes(c *cli.Context) {
	issues := checkFlags(c)
	issues = append(issues, checkArguments(c, "list")...)

	if len(issues) > 0 {
		printHelpForCommand(c, issues, "list")
	}

	client := routing_api.NewClient(c.String("api"))

	config := buildOauthConfig(c)
	fetcher := token_fetcher.NewTokenFetcher(&config)
	routes, err := commands.List(client, fetcher)
	if err != nil {
		fmt.Println("listing routes failed:", err)
		os.Exit(3)
	}

	prettyRoutes, _ := json.Marshal(routes)

	fmt.Printf("%v\n", string(prettyRoutes))
}
Example #8
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)
}