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 NewNatsClient(retries int) *nats.EncodedConn {
return server.NewNatsClient(retries)
}