// reportLiveStatus is used by the status command on a working connection to
// distinguish between the server being in a normal 'started' state or the
// 'drain' state.
func reportLiveStatus(jq *jobqueue.Client) {
sstats, err := jq.ServerStats()
if err != nil {
die("even though I was able to connect to the manager, it wasn't able to tell me about itself: %s", err)
}
mode := sstats.ServerInfo.Mode
fmt.Println(mode)
}
// eventualities we check the pid file first, try and terminate its pid,
// then confirm we can't connect
pid, err := daemon.ReadPidFile(config.ManagerPidFile)
var stopped bool
if err == nil {
stopped = stopdaemon(pid, "pid file "+config.ManagerPidFile, "manager")
} else {
// probably no pid file, we'll see if the daemon is up by trying to
// connect
jq := connect(1 * time.Second)
if jq == nil {
die("wr manager does not seem to be running on port %s", config.ManagerPort)
}
}
var jq *jobqueue.Client
if stopped {
// we'll do a quick test to confirm the daemon is down
jq = connect(1 * time.Second)
if jq != nil {
warn("according to the pid file %s, wr manager was running with pid %d, and I terminated that pid, but the manager is still up on port %s!", config.ManagerPidFile, pid, config.ManagerPort)
} else {
info("wr manager running on port %s was gracefully shut down", config.ManagerPort)
return
}
} else {
// we failed to SIGTERM the pid in the pid file, let's take some
// time to confirm the daemon is really up
jq = connect(5 * time.Second)
if jq == nil {
die("according to the pid file %s, wr manager for port %s was running with pid %d, but that process could not be terminated and the manager could not be connected to; most likely the pid file is wrong and the manager is not running - after confirming, delete the pid file before trying to start the manager again", config.ManagerPidFile, config.ManagerPort, pid)