func main() { flag.Parse() var pluginFilters []string if *fPLuginFilters != "" { pluginsFilter := strings.TrimSpace(*fPLuginFilters) pluginFilters = strings.Split(":"+pluginsFilter+":", ":") } var outputFilters []string if *fOutputFilters != "" { outputFilter := strings.TrimSpace(*fOutputFilters) outputFilters = strings.Split(":"+outputFilter+":", ":") } if *fVersion { v := fmt.Sprintf("Telegraf - Version %s", Version) fmt.Println(v) return } if *fSampleConfig { config.PrintSampleConfig(pluginFilters, outputFilters) return } if *fUsage != "" { if err := config.PrintPluginConfig(*fUsage); err != nil { if err2 := config.PrintOutputConfig(*fUsage); err2 != nil { log.Fatalf("%s and %s", err, err2) } } return } var ( c *config.Config err error ) if *fConfig != "" { c = config.NewConfig() c.OutputFilters = outputFilters c.PluginFilters = pluginFilters err = c.LoadConfig(*fConfig) if err != nil { log.Fatal(err) } } else { fmt.Println("Usage: Telegraf") flag.PrintDefaults() return } if *fConfigDirectory != "" { err = c.LoadDirectory(*fConfigDirectory) if err != nil { log.Fatal(err) } } if len(c.Outputs) == 0 { log.Fatalf("Error: no outputs found, did you provide a valid config file?") } if len(c.Plugins) == 0 { log.Fatalf("Error: no plugins found, did you provide a valid config file?") } ag, err := telegraf.NewAgent(c) if err != nil { log.Fatal(err) } if *fDebug { ag.Config.Agent.Debug = true } if *fTest { err = ag.Test() if err != nil { log.Fatal(err) } return } err = ag.Connect() if err != nil { log.Fatal(err) } shutdown := make(chan struct{}) signals := make(chan os.Signal) signal.Notify(signals, os.Interrupt) go func() { <-signals close(shutdown) }() log.Printf("Starting Telegraf (version %s)\n", Version) log.Printf("Loaded outputs: %s", strings.Join(c.OutputNames(), " ")) log.Printf("Loaded plugins: %s", strings.Join(c.PluginNames(), " ")) log.Printf("Tags enabled: %s", c.ListTags()) if *fPidfile != "" { f, err := os.Create(*fPidfile) if err != nil { log.Fatalf("Unable to create pidfile: %s", err) } fmt.Fprintf(f, "%d\n", os.Getpid()) f.Close() } ag.Run(shutdown) }