func main() {
defer logutil.Flush()
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
os.Exit(1)
}
zkConfig := zkctl.MakeZkConfigFromString(*zkCfg, uint32(*myId))
zkd := zkctl.NewZkd(zkConfig)
action := flag.Arg(0)
var err error
switch action {
case "init":
err = zkd.Init()
case "shutdown":
err = zkd.Shutdown()
case "start":
err = zkd.Start()
case "teardown":
err = zkd.Teardown()
default:
log.Fatalf("invalid action: %v", action)
}
if err != nil {
log.Fatalf("failed %v: %v", action, err)
}
}
func main() {
defer exit.Recover()
defer logutil.Flush()
flag.Parse()
zkConfig := zkctl.MakeZkConfigFromString(*zkCfg, uint32(*myId))
zkd := zkctl.NewZkd(zkConfig)
if zkd.Inited() {
log.Infof("already initialized, starting without init...")
if err := zkd.Start(); err != nil {
log.Errorf("failed start: %v", err)
exit.Return(255)
}
} else {
log.Infof("initializing...")
if err := zkd.Init(); err != nil {
log.Errorf("failed init: %v", err)
exit.Return(255)
}
}
log.Infof("waiting for signal or server shutdown...")
sig := make(chan os.Signal)
signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
select {
case <-zkd.Done():
log.Infof("server shut down on its own")
case <-sig:
log.Infof("signal received, shutting down server")
zkd.Shutdown()
}
}
func main() {
defer logutil.Flush()
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
os.Exit(1)
}
zkConfig := zkctl.MakeZkConfigFromString(*zkCfg, uint32(*myId))
zkd := zkctl.NewZkd(zkConfig)
action := flag.Arg(0)
var err error
var waitForSignal bool
switch action {
case "init":
err = zkd.Init()
waitForSignal = *follow
case "shutdown":
err = zkd.Shutdown()
case "start":
err = zkd.Start()
waitForSignal = *follow
case "teardown":
err = zkd.Teardown()
default:
log.Fatalf("invalid action: %v", action)
}
if err != nil {
log.Fatalf("failed %v: %v", action, err)
}
if waitForSignal {
log.Infof("waiting for signal or server shutdown...")
sig := make(chan os.Signal)
signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
select {
case <-zkd.Done():
log.Infof("server shut down on its own")
case <-sig:
log.Infof("signal received, shutting down server")
zkd.Shutdown()
}
}
}