func main() {
flag.Parse()
if *fVersion {
v := fmt.Sprintf("Telegraf - Version %s", Version)
fmt.Println(v)
return
}
if *fSampleConfig {
telegraf.PrintSampleConfig()
return
}
if *fUsage != "" {
if err := telegraf.PrintPluginConfig(*fUsage); err != nil {
log.Fatal(err)
}
return
}
var (
config *telegraf.Config
err error
)
if *fConfig != "" {
config, err = telegraf.LoadConfig(*fConfig)
if err != nil {
log.Fatal(err)
}
} else {
fmt.Println("Usage: Telegraf")
flag.PrintDefaults()
return
}
ag, err := telegraf.NewAgent(config)
if err != nil {
log.Fatal(err)
}
if *fDebug {
ag.Debug = true
}
outputs, err := ag.LoadOutputs()
if err != nil {
log.Fatal(err)
}
if len(outputs) == 0 {
log.Printf("Error: no outputs found, did you provide a valid config file?")
os.Exit(1)
}
plugins, err := ag.LoadPlugins(*fPLuginsFilter)
if err != nil {
log.Fatal(err)
}
if len(plugins) == 0 {
log.Printf("Error: no plugins found, did you provide a valid config file?")
os.Exit(1)
}
if *fTest {
if *fConfig != "" {
err = ag.Test()
} else {
err = ag.TestAllPlugins()
}
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(outputs, " "))
log.Printf("Loaded plugins: %s", strings.Join(plugins, " "))
if ag.Debug {
log.Printf("Debug: enabled")
log.Printf("Agent Config: Interval:%s, Debug:%#v, Hostname:%#v\n",
ag.Interval, ag.Debug, ag.Hostname)
}
log.Printf("Tags enabled: %s", config.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)
}
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 {
telegraf.PrintSampleConfig(pluginFilters, outputFilters)
return
}
if *fUsage != "" {
if err := telegraf.PrintPluginConfig(*fUsage); err != nil {
if err2 := telegraf.PrintOutputConfig(*fUsage); err2 != nil {
log.Fatalf("%s and %s", err, err2)
}
}
return
}
var (
config *telegraf.Config
err error
)
if *fConfig != "" {
config, err = telegraf.LoadConfig(*fConfig)
if err != nil {
log.Fatal(err)
}
} else {
fmt.Println("Usage: Telegraf")
flag.PrintDefaults()
return
}
if *fConfigDirectory != "" {
err = config.LoadDirectory(*fConfigDirectory)
if err != nil {
log.Fatal(err)
}
}
ag, err := telegraf.NewAgent(config)
if err != nil {
log.Fatal(err)
}
if *fDebug {
ag.Debug = true
}
outputs, err := ag.LoadOutputs(outputFilters, config)
if err != nil {
log.Fatal(err)
}
if len(outputs) == 0 {
log.Printf("Error: no outputs found, did you provide a valid config file?")
os.Exit(1)
}
plugins, err := ag.LoadPlugins(pluginFilters, config)
if err != nil {
log.Fatal(err)
}
if len(plugins) == 0 {
log.Printf("Error: no plugins found, did you provide a valid config file?")
os.Exit(1)
}
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(outputs, " "))
log.Printf("Loaded plugins: %s", strings.Join(plugins, " "))
log.Printf("Tags enabled: %s", config.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)
}