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