package metrics import ( "time" "github.com/containous/traefik/log" "github.com/containous/traefik/safe" "github.com/containous/traefik/types" kitlog "github.com/go-kit/kit/log" "github.com/go-kit/kit/metrics/statsd" ) var statsdClient = statsd.New("traefik.", kitlog.LoggerFunc(func(keyvals ...interface{}) error { log.Info(keyvals) return nil })) var statsdTicker *time.Ticker // RegisterStatsd registers the metrics pusher if this didn't happen yet and creates a statsd Registry instance. func RegisterStatsd(config *types.Statsd) Registry { if statsdTicker == nil { statsdTicker = initStatsdTicker(config) } return &standardRegistry{ enabled: true, reqsCounter: statsdClient.NewCounter(ddMetricsReqsName, 1.0), reqDurationHistogram: statsdClient.NewTiming(ddMetricsLatencyName, 1.0), retriesCounter: statsdClient.NewCounter(ddRetriesTotalName, 1.0), } } // initStatsdTicker initializes metrics pusher and creates a statsdClient if not created already func initStatsdTicker(config *types.Statsd) *time.Ticker { address := config.Address if len(address) == 0 { address = "localhost:8125" } pushInterval, err := time.ParseDuration(config.PushInterval) if err != nil { log.Warnf("Unable to parse %s into pushInterval, using 10s as default value", config.PushInterval) pushInterval = 10 * time.Second } report := time.NewTicker(pushInterval) safe.Go(func() { statsdClient.SendLoop(report.C, "udp", address) }) return report } // StopStatsd stops internal statsdTicker which controls the pushing of metrics to StatsD Agent and resets it to `nil` func StopStatsd() { if statsdTicker != nil { statsdTicker.Stop() } statsdTicker = nil }