Exemplo n.º 1
0
func main() {
	flag.Parse()
	go common.RegisterTailCleanup()

	apptail.LoadConfig()

	fstorage := storage.NewFileStorage(*stateFile_path)
	tracker := storage.NewTracker(fstorage, *debug)
	tracker.LoadTailers()

	interval := time.Duration(int64(apptail.GetConfig().PersistPositionIntervalSeconds))
	go tracker.StartSubmissionTimer(interval * time.Second)

	major, minor, patch := gozmq.Version()
	log.Infof("Starting apptail (zeromq %d.%d.%d)", major, minor, patch)

	log.Infof("Config: %+v\n", apptail.GetConfig())

	uid := getUID()

	natsclient := server.NewNatsClient(3)

	mux := &sync.Mutex{}

	n := 0
	started_instances := StartedInstance{}

	natsclient.Subscribe("logyard."+uid+".newinstance", func(instance *apptail.Instance) {

		n++
		if started_instances.checkInstanceAndUpdate(n, instance.DockerId, mux) {
			go func() {
				instance.Tail(tracker)
				started_instances.delete(instance.DockerId, mux)
			}()
		}

	})

	natsclient.Publish("logyard."+uid+".start", []byte("{}"))
	log.Infof("Waiting for app instances ...")

	go docker.DockerListener.Listen()

	// clean up the cache after restart
	docker.DockerListener.TrackerCleanUp(tracker)

	server.MarkRunning("apptail")

	apptail_event.MonitorCloudEvents()

}
Exemplo n.º 2
0
func main() {
	go common.RegisterTailCleanup()

	major, minor, patch := gozmq.Version()
	log.Infof("Starting systail (zeromq %d.%d.%d)", major, minor, patch)

	systail.LoadConfig()

	nodeid, err := server.LocalIP()
	if err != nil {
		common.Fatal("Failed to determine IP addr: %v", err)
	}
	log.Info("Host IP: ", nodeid)

	tailers := []*tail.Tail{}

	logFiles := systail.GetConfig().LogFiles

	fmt.Printf("%+v\n", logFiles)
	if len(logFiles) == 0 {
		common.Fatal("No log files exist in configuration.")
	}

	for name, logfile := range logFiles {
		t, err := tailLogFile(name, logfile, nodeid)
		if err != nil {
			common.Fatal("%v", err)
		}
		tailers = append(tailers, t)
	}

	server.MarkRunning("systail")

	for _, tail := range tailers {
		err := tail.Wait()
		if err != nil {
			log.Errorf("Cannot tail [%s]: %s", tail.Filename, err)
		}
	}

	// we don't expect any of the tailers to exit with or without
	// error.
	log.Error("No file left to tail; exiting.")
	os.Exit(1)
}