func main() { cfgPath := flag.String("config_file", "", "Path to config file.") flag.Parse() cfg, err := loadConfigFromPath(*cfgPath) if err != nil { glog.Errorf(err.Error()) syscall.Exit(1) } if cfg.Verbosity >= 2 { etcd.OpenDebug() } srv := server.New(*cfg) srv.Run() reconfigure := func() { glog.Infof("Reloading config file from %s", *cfgPath) cfg, err := loadConfigFromPath(*cfgPath) if err != nil { glog.Errorf(err.Error()) syscall.Exit(1) } else { srv.Configure(cfg) } } listenForSignal(syscall.SIGHUP, reconfigure) }
func main() { // We use a custom FlagSet since golang/glog adds a bunch of flags we // do not want to publish flagset := flag.NewFlagSet("coreinit", flag.ExitOnError) cfgPath := flagset.String("config_file", "", "Path to config file.") err := flagset.Parse(os.Args[1:]) // We do this manually since we're using a custom FlagSet if err == flag.ErrHelp { flag.Usage() syscall.Exit(1) } // Print out to stderr by default (stderr instead of stdout due to glog's choices) flag.Lookup("logtostderr").Value.Set("true") cfg, err := loadConfigFromPath(*cfgPath) if err != nil { glog.Errorf(err.Error()) syscall.Exit(1) } if cfg.Verbosity >= 3 { etcd.OpenDebug() } srv := server.New(*cfg) srv.Run() reconfigure := func() { glog.Infof("Reloading config file from %s", *cfgPath) cfg, err := loadConfigFromPath(*cfgPath) if err != nil { glog.Errorf(err.Error()) syscall.Exit(1) } else { srv.Configure(cfg) } } listenForSignal(syscall.SIGHUP, reconfigure) }