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()
}
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)
}