Display error message if prometheus output fails to listen (#2984)

influxdata · Jul 5, 2017 · 89c5fab · 89c5fab
1 parent 135ce41
commit 89c5fab
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/plugins/outputs/prometheus_client/prometheus_client.go b/plugins/outputs/prometheus_client/prometheus_client.go
@@ -78,7 +78,12 @@ func (p *PrometheusClient) Start() error {
 		Handler: mux,
 	}
 
-	go p.server.ListenAndServe()
+	go func() {
+		if err := p.server.ListenAndServe(); err != nil {
+			log.Printf("E! Error creating prometheus metric endpoint, err: %s\n",
+				err.Error())
+		}
+	}()
 	return nil
 }