70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
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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/dogstatsd"
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)
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var datadogClient = dogstatsd.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 datadogTicker *time.Ticker
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// Metric names consistent with https://github.com/DataDog/integrations-extras/pull/64
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const (
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ddMetricsReqsName = "requests.total"
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ddMetricsLatencyName = "request.duration"
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ddRetriesTotalName = "backend.retries.total"
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)
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// RegisterDatadog registers the metrics pusher if this didn't happen yet and creates a datadog Registry instance.
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func RegisterDatadog(config *types.Datadog) Registry {
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if datadogTicker == nil {
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datadogTicker = initDatadogClient(config)
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}
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registry := &standardRegistry{
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enabled: true,
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reqsCounter: datadogClient.NewCounter(ddMetricsReqsName, 1.0),
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reqDurationHistogram: datadogClient.NewHistogram(ddMetricsLatencyName, 1.0),
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retriesCounter: datadogClient.NewCounter(ddRetriesTotalName, 1.0),
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}
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return registry
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}
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func initDatadogClient(config *types.Datadog) *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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datadogClient.SendLoop(report.C, "udp", address)
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})
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return report
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}
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// StopDatadog stops internal datadogTicker which controls the pushing of metrics to DD Agent and resets it to `nil`.
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func StopDatadog() {
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if datadogTicker != nil {
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datadogTicker.Stop()
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}
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datadogTicker = nil
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}
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