From 8674ec2a53b711a28b2635190a288836e064b525 Mon Sep 17 00:00:00 2001
From: Pablo Moncada <pablo.moncada@bq.com>
Date: Tue, 1 Aug 2017 13:32:33 +0200
Subject: [PATCH] Add host label to request count

---
 middleware.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/middleware.go b/middleware.go
index 03ddd6f..7209afb 100644
--- a/middleware.go
+++ b/middleware.go
@@ -76,7 +76,7 @@ func (p *Prometheus) registerMetrics(subsystem string) {
 			Name:      "requests_total",
 			Help:      "How many HTTP requests processed, partitioned by status code and HTTP method.",
 		},
-		[]string{"code", "method", "handler"},
+		[]string{"code", "method", "handler", "host"},
 	)
 
 	if err := prometheus.Register(p.reqCnt); err != nil {
@@ -160,7 +160,7 @@ func (p *Prometheus) handlerFunc() gin.HandlerFunc {
 		resSz := float64(c.Writer.Size())
 
 		p.reqDur.Observe(elapsed)
-		p.reqCnt.WithLabelValues(status, c.Request.Method, c.HandlerName()).Inc()
+		p.reqCnt.WithLabelValues(status, c.Request.Method, c.HandlerName(), c.Request.Host).Inc()
 		p.reqSz.Observe(float64(<-reqSz))
 		p.resSz.Observe(resSz)
 	}