func main() { // Most flags are defined in the confd/config package which allows us to // override configuration settings from the command line. Parse the flags now // to make them active. flag.Parse() if printVersion { fmt.Printf("confd %s\n", Version) os.Exit(0) } if configFile == "" { if IsFileExist(defaultConfigFile) { configFile = defaultConfigFile } } // Initialize the global configuration. log.Debug("Loading confd configuration") if err := config.LoadConfig(configFile); err != nil { log.Fatal(err.Error()) } // Configure logging. While you can enable debug and verbose logging, however // if quiet is set to true then debug and verbose messages will not be printed. log.SetQuiet(config.Quiet()) log.SetVerbose(config.Verbose()) log.SetDebug(config.Debug()) log.Notice("Starting confd") // Create the storage client log.Notice("Backend set to " + config.Backend()) store, err := backends.New(config.Backend()) if err != nil { log.Fatal(err.Error()) } signalChan := make(chan os.Signal, 1) signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM) for { runErrors := template.ProcessTemplateResources(store) // If the -onetime flag is passed on the command line we immediately exit // after processing the template config files. if onetime { if len(runErrors) > 0 { os.Exit(1) } os.Exit(0) } select { case c := <-signalChan: log.Info(fmt.Sprintf("captured %v exiting...", c)) os.Exit(0) case <-time.After(time.Duration(config.Interval()) * time.Second): // Continue processing templates. } } }
func main() { // Most flags are defined in the confd/config package which allows us to // override configuration settings from the command line. Parse the flags now // to make them active. flag.Parse() if configFile == "" { if IsFileExist(defaultConfigFile) { configFile = defaultConfigFile } } // Initialize the global configuration. log.Debug("Loading confd configuration") if err := config.LoadConfig(configFile); err != nil { log.Fatal(err.Error()) } // Configure logging. While you can enable debug and verbose logging, however // if quiet is set to true then debug and verbose messages will not be printed. log.SetQuiet(config.Quiet()) log.SetVerbose(config.Verbose()) log.SetDebug(config.Debug()) log.Notice("Starting confd") // Create the etcd client upfront and use it for the life of the process. // The etcdClient is an http.Client and designed to be reused. log.Notice("etcd nodes set to " + strings.Join(config.EtcdNodes(), ", ")) etcdClient, err := etcdutil.NewEtcdClient(config.EtcdNodes(), config.ClientCert(), config.ClientKey(), config.ClientCaKeys()) if err != nil { log.Fatal(err.Error()) } for { runErrors := template.ProcessTemplateResources(etcdClient) // If the -onetime flag is passed on the command line we immediately exit // after processing the template config files. if onetime { if len(runErrors) > 0 { os.Exit(1) } os.Exit(0) } time.Sleep(time.Duration(config.Interval()) * time.Second) } }
func main() { // Most flags are defined in the confd/config package which allows us to // override configuration settings from the command line. Parse the flags now // to make them active. flag.Parse() if configFile == "" { if IsFileExist(defaultConfigFile) { configFile = defaultConfigFile } } // Initialize the global configuration. log.Debug("Loading confd configuration") if err := config.LoadConfig(configFile); err != nil { log.Fatal(err.Error()) } // Configure logging. While you can enable debug and verbose logging, however // if quiet is set to true then debug and verbose messages will not be printed. log.SetQuiet(config.Quiet()) log.SetVerbose(config.Verbose()) log.SetDebug(config.Debug()) log.Notice("Starting confd") // Create the storage client store, err := createStoreClient(config.Backend()) if err != nil { log.Fatal(err.Error()) } for { runErrors := template.ProcessTemplateResources(store) // If the -onetime flag is passed on the command line we immediately exit // after processing the template config files. if onetime { if len(runErrors) > 0 { os.Exit(1) } os.Exit(0) } time.Sleep(time.Duration(config.Interval()) * time.Second) } }