From 139f07745354a9facaf9b233c955dd3c1101fd53 Mon Sep 17 00:00:00 2001
From: bergquist <carl.bergquist@gmail.com>
Date: Mon, 23 Oct 2017 09:35:46 +0200
Subject: [PATCH] prometheus: enable gzip for /metrics endpoint

closes #9464
---
 pkg/api/http_server.go | 5 ++---
 pkg/middleware/util.go | 4 ++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/pkg/api/http_server.go b/pkg/api/http_server.go
index 3107dcf7e4b..037d2ae98e5 100644
--- a/pkg/api/http_server.go
+++ b/pkg/api/http_server.go
@@ -188,9 +188,8 @@ func (hs *HttpServer) metricsEndpoint(ctx *macaron.Context) {
 		return
 	}
 
-	promhttp.HandlerFor(prometheus.DefaultGatherer, promhttp.HandlerOpts{
-		DisableCompression: true,
-	}).ServeHTTP(ctx.Resp, ctx.Req.Request)
+	promhttp.HandlerFor(prometheus.DefaultGatherer, promhttp.HandlerOpts{}).
+		ServeHTTP(ctx.Resp, ctx.Req.Request)
 }
 
 func (hs *HttpServer) healthHandler(ctx *macaron.Context) {
diff --git a/pkg/middleware/util.go b/pkg/middleware/util.go
index c392f215450..22d1b56869e 100644
--- a/pkg/middleware/util.go
+++ b/pkg/middleware/util.go
@@ -21,6 +21,10 @@ func Gziper() macaron.Handler {
 			return
 		}
 
+		if strings.HasPrefix(requestPath, "/metrics") {
+			return
+		}
+
 		ctx.Invoke(macaronGziper)
 	}
 }