Merge pull request #22 from zemzale/add-host

Add host label to request duration counter
depado · May 17, 2021 · fc7f3eb · fc7f3eb
2 parents 79ebc57 + 9fd5e99
commit fc7f3eb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/prom.go b/prom.go
@@ -275,7 +275,7 @@ func (p *Prometheus) register() {
 		Buckets:   p.BucketsSize,
 		Name:      p.RequestDurationMetricName,
 		Help:      "The HTTP request latency bucket.",
-	}, []string{"method", "path"})
+	}, []string{"method", "path", "host"})
 	registerer.MustRegister(p.reqDur)
 
 	p.reqSz = prometheus.NewSummary(
@@ -327,7 +327,7 @@ func (p *Prometheus) Instrument() gin.HandlerFunc {
 		resSz := float64(c.Writer.Size())
 
 		p.reqCnt.WithLabelValues(status, c.Request.Method, c.HandlerName(), c.Request.Host, path).Inc()
-		p.reqDur.WithLabelValues(c.Request.Method, path).Observe(elapsed)
+		p.reqDur.WithLabelValues(c.Request.Method, path, c.Request.Host).Observe(elapsed)
 		p.reqSz.Observe(float64(reqSz))
 		p.resSz.Observe(resSz)
 	}