Пример #1
0
func New(logger *gosteno.Logger,
	host string,
	config *config.Config,
	storeAdapter storeadapter.StoreAdapter,
	messageDrainBufferSize uint,
	dropsondeOrigin string,
	websocketWriteTimeout time.Duration,
	dialTimeout time.Duration) (*Doppler, error) {

	keepAliveInterval := 30 * time.Second

	appStoreCache := cache.NewAppServiceCache()
	appStoreWatcher, newAppServiceChan, deletedAppServiceChan := store.NewAppServiceStoreWatcher(storeAdapter, appStoreCache, logger)

	var udpListener listeners.Listener
	var tlsListener listeners.Listener
	var dropsondeBytesChan <-chan []byte
	var err error
	listenerEnvelopeChan := make(chan *events.Envelope)

	if config.EnableTLSTransport {
		tlsListener, err = listeners.NewTLSListener("tlsListener", fmt.Sprintf("%s:%d", host, config.TLSListenerConfig.Port), config.TLSListenerConfig, listenerEnvelopeChan, logger)
		if err != nil {
			return nil, err
		}
	}

	udpListener, dropsondeBytesChan = listeners.NewUDPListener(fmt.Sprintf("%s:%d", host, config.DropsondeIncomingMessagesPort), logger, "dropsondeListener")

	signatureVerifier := signature.NewVerifier(logger, config.SharedSecret)

	unmarshallerCollection := dropsonde_unmarshaller.NewDropsondeUnmarshallerCollection(logger, config.UnmarshallerCount)

	blacklist := blacklist.New(config.BlackListIps)
	metricTTL := time.Duration(config.ContainerMetricTTLSeconds) * time.Second
	sinkTimeout := time.Duration(config.SinkInactivityTimeoutSeconds) * time.Second
	sinkIOTimeout := time.Duration(config.SinkIOTimeoutSeconds) * time.Second
	sinkManager := sinkmanager.New(config.MaxRetainedLogMessages, config.SinkSkipCertVerify, blacklist, logger, messageDrainBufferSize, dropsondeOrigin, sinkTimeout, sinkIOTimeout, metricTTL, dialTimeout)

	websocketServer, err := websocketserver.New(fmt.Sprintf("%s:%d", host, config.OutgoingPort), sinkManager, websocketWriteTimeout, keepAliveInterval, config.MessageDrainBufferSize, dropsondeOrigin, logger)
	if err != nil {
		return nil, fmt.Errorf("Failed to create the websocket server: %s", err.Error())
	}

	return &Doppler{
		Logger:                          logger,
		udpListener:                     udpListener,
		tlsListener:                     tlsListener,
		sinkManager:                     sinkManager,
		messageRouter:                   sinkserver.NewMessageRouter(sinkManager, logger),
		websocketServer:                 websocketServer,
		newAppServiceChan:               newAppServiceChan,
		deletedAppServiceChan:           deletedAppServiceChan,
		appStoreWatcher:                 appStoreWatcher,
		storeAdapter:                    storeAdapter,
		dropsondeBytesChan:              dropsondeBytesChan,
		dropsondeUnmarshallerCollection: unmarshallerCollection,
		envelopeChan:                    listenerEnvelopeChan,
		signatureVerifier:               signatureVerifier,
		dropsondeVerifiedBytesChan:      make(chan []byte),
		uptimeMonitor:                   monitor.NewUptimeMonitor(time.Duration(config.MonitorIntervalSeconds) * time.Second),
	}, nil
}
Пример #2
0
var _ = Describe("AgentListener", func() {
	var (
		listener        listeners.Listener
		dataChannel     <-chan []byte
		listenerStopped chan struct{}
		address         string
	)

	BeforeEach(func() {
		listenerStopped = make(chan struct{})
		loggertesthelper.TestLoggerSink.Clear()

		port := 3456 + config.GinkgoConfig.ParallelNode
		address = net.JoinHostPort("127.0.0.1", strconv.Itoa(port))
		listener, dataChannel = listeners.NewUDPListener(address, loggertesthelper.Logger(), "udpListener")
		go func() {
			listener.Start()
			close(listenerStopped)
		}()

		Eventually(loggertesthelper.TestLoggerSink.LogContents).Should(ContainSubstring("Listening on port " + address))
	})

	AfterEach(func() {
		listener.Stop()
		Eventually(listenerStopped).Should(BeClosed())
	})

	Context("with a listner running", func() {
		It("listens to the socket and forwards log lines", func() {
Пример #3
0
func New(
	logger *gosteno.Logger,
	host string,
	config *doppler_config.Config,
	storeAdapter storeadapter.StoreAdapter,
	messageDrainBufferSize uint,
	dropsondeOrigin string,
	websocketWriteTimeout time.Duration,
	dialTimeout time.Duration,
) (*Doppler, error) {
	doppler := &Doppler{
		Logger:                     logger,
		storeAdapter:               storeAdapter,
		dropsondeVerifiedBytesChan: make(chan []byte),
	}

	keepAliveInterval := 30 * time.Second

	appStoreCache := cache.NewAppServiceCache()
	doppler.appStoreWatcher, doppler.newAppServiceChan, doppler.deletedAppServiceChan = store.NewAppServiceStoreWatcher(storeAdapter, appStoreCache, logger)

	doppler.batcher = initializeMetrics(config.MetricBatchIntervalMilliseconds)

	doppler.envelopeChan = make(chan *events.Envelope)

	doppler.udpListener, doppler.dropsondeBytesChan = listeners.NewUDPListener(
		fmt.Sprintf("%s:%d", host, config.IncomingUDPPort),
		doppler.batcher,
		logger,
		"udpListener",
	)

	var err error
	if config.EnableTLSTransport {
		tlsConfig := &config.TLSListenerConfig
		addr := fmt.Sprintf("%s:%d", host, tlsConfig.Port)
		contextName := "tlsListener"
		doppler.tlsListener, err = listeners.NewTCPListener(contextName, addr, tlsConfig, doppler.envelopeChan, doppler.batcher, logger)
		if err != nil {
			return nil, err
		}
	}

	addr := fmt.Sprintf("%s:%d", host, config.IncomingTCPPort)
	contextName := "tcpListener"
	doppler.tcpListener, err = listeners.NewTCPListener(contextName, addr, nil, doppler.envelopeChan, doppler.batcher, logger)

	doppler.signatureVerifier = signature.NewVerifier(logger, config.SharedSecret)

	doppler.dropsondeUnmarshallerCollection = dropsonde_unmarshaller.NewDropsondeUnmarshallerCollection(logger, config.UnmarshallerCount)

	blacklist := blacklist.New(config.BlackListIps, logger)
	metricTTL := time.Duration(config.ContainerMetricTTLSeconds) * time.Second
	sinkTimeout := time.Duration(config.SinkInactivityTimeoutSeconds) * time.Second
	sinkIOTimeout := time.Duration(config.SinkIOTimeoutSeconds) * time.Second
	doppler.sinkManager = sinkmanager.New(
		config.MaxRetainedLogMessages,
		config.SinkSkipCertVerify,
		blacklist,
		logger,
		messageDrainBufferSize,
		dropsondeOrigin,
		sinkTimeout,
		sinkIOTimeout,
		metricTTL,
		dialTimeout,
	)

	doppler.Infof("Listening for GRPC connections on %d", config.GRPCPort)
	grpcListener, err := net.Listen("tcp", fmt.Sprintf(":%d", config.GRPCPort))
	if err != nil {
		return nil, err
	}
	grpcServer := grpc.NewServer()
	plumbing.RegisterDopplerServer(grpcServer, doppler.sinkManager)
	go grpcServer.Serve(grpcListener)

	doppler.messageRouter = sinkserver.NewMessageRouter(doppler.sinkManager, logger)

	doppler.websocketServer, err = websocketserver.New(
		fmt.Sprintf(":%d", config.OutgoingPort),
		doppler.sinkManager,
		websocketWriteTimeout,
		keepAliveInterval,
		config.MessageDrainBufferSize,
		dropsondeOrigin,
		doppler.batcher,
		logger,
	)
	if err != nil {
		return nil, fmt.Errorf("Failed to create the websocket server: %s", err.Error())
	}

	monitorInterval := time.Duration(config.MonitorIntervalSeconds) * time.Second
	doppler.openFileMonitor = monitor.NewLinuxFD(monitorInterval, logger)
	doppler.uptimeMonitor = monitor.NewUptime(monitorInterval)

	return doppler, nil
}