90 lines
3.4 KiB
Go
90 lines
3.4 KiB
Go
package metrics
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/containous/traefik/v2/pkg/log"
|
|
"github.com/containous/traefik/v2/pkg/safe"
|
|
"github.com/containous/traefik/v2/pkg/types"
|
|
kitlog "github.com/go-kit/kit/log"
|
|
"github.com/go-kit/kit/metrics/dogstatsd"
|
|
)
|
|
|
|
var datadogClient = dogstatsd.New("traefik.", kitlog.LoggerFunc(func(keyvals ...interface{}) error {
|
|
log.WithoutContext().WithField(log.MetricsProviderName, "datadog").Info(keyvals)
|
|
return nil
|
|
}))
|
|
|
|
var datadogTicker *time.Ticker
|
|
|
|
// Metric names consistent with https://github.com/DataDog/integrations-extras/pull/64
|
|
const (
|
|
ddMetricsServiceReqsName = "service.request.total"
|
|
ddMetricsServiceLatencyName = "service.request.duration"
|
|
ddRetriesTotalName = "service.retries.total"
|
|
ddConfigReloadsName = "config.reload.total"
|
|
ddConfigReloadsFailureTagName = "failure"
|
|
ddLastConfigReloadSuccessName = "config.reload.lastSuccessTimestamp"
|
|
ddLastConfigReloadFailureName = "config.reload.lastFailureTimestamp"
|
|
ddEntryPointReqsName = "entrypoint.request.total"
|
|
ddEntryPointReqDurationName = "entrypoint.request.duration"
|
|
ddEntryPointOpenConnsName = "entrypoint.connections.open"
|
|
ddOpenConnsName = "service.connections.open"
|
|
ddServerUpName = "service.server.up"
|
|
)
|
|
|
|
// RegisterDatadog registers the metrics pusher if this didn't happen yet and creates a datadog Registry instance.
|
|
func RegisterDatadog(ctx context.Context, config *types.Datadog) Registry {
|
|
if datadogTicker == nil {
|
|
datadogTicker = initDatadogClient(ctx, config)
|
|
}
|
|
|
|
registry := &standardRegistry{
|
|
configReloadsCounter: datadogClient.NewCounter(ddConfigReloadsName, 1.0),
|
|
configReloadsFailureCounter: datadogClient.NewCounter(ddConfigReloadsName, 1.0).With(ddConfigReloadsFailureTagName, "true"),
|
|
lastConfigReloadSuccessGauge: datadogClient.NewGauge(ddLastConfigReloadSuccessName),
|
|
lastConfigReloadFailureGauge: datadogClient.NewGauge(ddLastConfigReloadFailureName),
|
|
}
|
|
|
|
if config.AddEntryPointsLabels {
|
|
registry.epEnabled = config.AddEntryPointsLabels
|
|
registry.entryPointReqsCounter = datadogClient.NewCounter(ddEntryPointReqsName, 1.0)
|
|
registry.entryPointReqDurationHistogram = datadogClient.NewHistogram(ddEntryPointReqDurationName, 1.0)
|
|
registry.entryPointOpenConnsGauge = datadogClient.NewGauge(ddEntryPointOpenConnsName)
|
|
}
|
|
|
|
if config.AddServicesLabels {
|
|
registry.svcEnabled = config.AddServicesLabels
|
|
registry.serviceReqsCounter = datadogClient.NewCounter(ddMetricsServiceReqsName, 1.0)
|
|
registry.serviceReqDurationHistogram = datadogClient.NewHistogram(ddMetricsServiceLatencyName, 1.0)
|
|
registry.serviceRetriesCounter = datadogClient.NewCounter(ddRetriesTotalName, 1.0)
|
|
registry.serviceOpenConnsGauge = datadogClient.NewGauge(ddOpenConnsName)
|
|
registry.serviceServerUpGauge = datadogClient.NewGauge(ddServerUpName)
|
|
}
|
|
|
|
return registry
|
|
}
|
|
|
|
func initDatadogClient(ctx context.Context, config *types.Datadog) *time.Ticker {
|
|
address := config.Address
|
|
if len(address) == 0 {
|
|
address = "localhost:8125"
|
|
}
|
|
|
|
report := time.NewTicker(time.Duration(config.PushInterval))
|
|
|
|
safe.Go(func() {
|
|
datadogClient.SendLoop(ctx, report.C, "udp", address)
|
|
})
|
|
|
|
return report
|
|
}
|
|
|
|
// StopDatadog stops internal datadogTicker which controls the pushing of metrics to DD Agent and resets it to `nil`.
|
|
func StopDatadog() {
|
|
if datadogTicker != nil {
|
|
datadogTicker.Stop()
|
|
}
|
|
datadogTicker = nil
|
|
}
|