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DataDog and StatsD Metrics Support

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* Added support for DataDog and StatsD monitoring
* Added documentation
This commit is contained in:
Alex Antonov 2017-07-20 17:26:43 -05:00 • committed by Ludovic Fernandez
parent cd28e7b24f
commit 69c628b626
39 changed files with 3921 additions and 13 deletions
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48
server/server.go
View file

@ -157,6 +157,7 @@ func (server *Server) Close() {
os.Exit(1)
}
}(ctx)
stopMetricsClients(server.globalConfiguration)
server.stopLeadership()
server.routinesPool.Cleanup()
close(server.configurationChan)
@ -198,6 +199,7 @@ func (server *Server) setupServerEntryPoint(newServerEntryPointName string, newS
if server.accessLoggerMiddleware != nil {
serverMiddlewares = append(serverMiddlewares, server.accessLoggerMiddleware)
}
initializeMetricsClients(server.globalConfiguration)
metrics := newMetrics(server.globalConfiguration, newServerEntryPointName)
if metrics != nil {
serverMiddlewares = append(serverMiddlewares, middlewares.NewMetricsWrapper(metrics))
@ -1060,18 +1062,52 @@ func (*Server) configureBackends(backends map[string]*types.Backend) {
// Note that given there is no metrics instrumentation configured, it will return nil.
func newMetrics(globalConfig GlobalConfiguration, name string) middlewares.Metrics {
metricsEnabled := globalConfig.Web != nil && globalConfig.Web.Metrics != nil
if metricsEnabled && globalConfig.Web.Metrics.Prometheus != nil {
metrics, _, err := middlewares.NewPrometheus(name, globalConfig.Web.Metrics.Prometheus)
if err != nil {
log.Errorf("Error creating Prometheus Metrics implementation: %s", err)
return nil
if metricsEnabled {
// Create MultiMetric
metrics := []middlewares.Metrics{}
if globalConfig.Web.Metrics.Prometheus != nil {
metric, _, err := middlewares.NewPrometheus(name, globalConfig.Web.Metrics.Prometheus)
if err != nil {
log.Errorf("Error creating Prometheus metrics implementation: %s", err)
}
log.Debug("Configured Prometheus metrics")
metrics = append(metrics, metric)
}
return metrics
if globalConfig.Web.Metrics.Datadog != nil {
metric := middlewares.NewDataDog(name)
log.Debugf("Configured DataDog metrics pushing to %s once every %s", globalConfig.Web.Metrics.Datadog.Address, globalConfig.Web.Metrics.Datadog.PushInterval)
metrics = append(metrics, metric)
}
if globalConfig.Web.Metrics.StatsD != nil {
metric := middlewares.NewStatsD(name)
log.Debugf("Configured StatsD metrics pushing to %s once every %s", globalConfig.Web.Metrics.StatsD.Address, globalConfig.Web.Metrics.StatsD.PushInterval)
metrics = append(metrics, metric)
}
return middlewares.NewMultiMetrics(metrics)
}
return nil
}
func initializeMetricsClients(globalConfig GlobalConfiguration) {
metricsEnabled := globalConfig.Web != nil && globalConfig.Web.Metrics != nil
if metricsEnabled {
if globalConfig.Web.Metrics.Datadog != nil {
middlewares.InitDatadogClient(globalConfig.Web.Metrics.Datadog)
}
if globalConfig.Web.Metrics.StatsD != nil {
middlewares.InitStatsdClient(globalConfig.Web.Metrics.StatsD)
}
}
}
func stopMetricsClients(globalConfig GlobalConfiguration) {
middlewares.StopDatadogClient()
middlewares.StopStatsdClient()
}
func registerRetryMiddleware(
httpHandler http.Handler,
globalConfig GlobalConfiguration,