Beispiel #1
0
func main() {
	flag.Parse()

	// extract address from host flag
	addr, err := ma.NewMultiaddr(*host)
	if err != nil {
		log.WithField("err", err).Fatal("NewMultiaddr() failed")
	}
	p := addr.Protocols()
	if len(p) < 2 {
		log.WithField("addr", addr).Fatal("need two protocols in host flag (/ip/tcp)")
	}
	_, host, err := manet.DialArgs(addr)
	if err != nil {
		log.WithField("err", err).Fatal("manet.DialArgs() failed")
	}

	if *verbose { // lower log level
		log.SetLevel(log.DebugLevel)
	}

	// construct url to dial
	var u url.URL
	u.Scheme = "http"
	u.Host = host
	u.Path = *endpoint

	// show what we got
	start := time.Now()
	log.WithFields(log.Fields{
		"when":    start,
		"tries":   *tries,
		"timeout": *timeout,
		"url":     u.String(),
	}).Debug("starting")

	for *tries > 0 {
		f := log.Fields{"tries": *tries}

		err := checkOK(http.Get(u.String()))
		if err == nil {
			f["took"] = time.Since(start)
			log.WithFields(f).Println("status ok - endpoint reachable")
			os.Exit(0)
		}
		f["error"] = err
		log.WithFields(f).Debug("get failed")
		time.Sleep(*timeout)
		*tries--
	}

	log.Println("failed.")
	os.Exit(1)
}
Beispiel #2
0
var LdJSONFormatter = func() {
	logrus.SetFormatter(&PoliteJSONFormatter{})
}

// TextFormatter Option formats the event log as human-readable plain-text
var TextFormatter = func() {
	logrus.SetFormatter(&logrus.TextFormatter{})
}

func Output(w io.Writer) Option {
	return func() {
		logrus.SetOutput(w)
		// TODO return previous Output option
	}
}

// LevelDebug Option sets the log level to debug
var LevelDebug = func() {
	logrus.SetLevel(logrus.DebugLevel)
}

// LevelDebug Option sets the log level to error
var LevelError = func() {
	logrus.SetLevel(logrus.ErrorLevel)
}

// LevelDebug Option sets the log level to info
var LevelInfo = func() {
	logrus.SetLevel(logrus.InfoLevel)
}