From fa2904b7ecf07309db36891751dd41f1e91868cf Mon Sep 17 00:00:00 2001
From: little-cui <sure_0757@qq.com>
Date: Wed, 18 Oct 2017 03:54:39 -0500
Subject: [PATCH]  Add /metrics api. (#125)

* Code restructure.

* Bug fixes: do not print log when self preservation stopped.

* New features: /version API supports return SC running environment information.

* Optimize log performance.

* Code restructure.

* Optimize log performance.

* Code restructure.

* Optimize heartbeat log print.

* Optimize heartbeat log print.

* Code restructure.

* Optimize heartbeat log print.

* Optimize log print.

* Optimize log print.

* Optimize router and interceptor.

* Add request metrics.

* Add /metrics API.

* Code restructure.

* Code restructure.

* Code restructure.

* Optimize heartbeat log print.

* Optimize heartbeat log print.

* Optimize log print.

* Add request metrics.

* Add /metrics API.
---
 server/rest/handler.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/server/rest/handler.go b/server/rest/handler.go
index 31dff9db3..22d51b8de 100644
--- a/server/rest/handler.go
+++ b/server/rest/handler.go
@@ -3,6 +3,7 @@ package rest
 import (
 	"github.com/ServiceComb/service-center/server/interceptor"
 	"github.com/ServiceComb/service-center/server/rest/controller/v3"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"net/http"
 )
 
@@ -11,7 +12,11 @@ var router http.Handler
 func init() {
 	router = v3.GetRouter()
 
+	// api
 	http.Handle("/", DefaultServerHandler())
+
+	// prometheus metrics
+	http.Handle("/metrics", promhttp.Handler())
 }
 
 type ServerHandler struct {