From 45919bbdc7db5f663a3f57ec4022be8825fce0df Mon Sep 17 00:00:00 2001
From: Flavian Missi <fmissi@redhat.com>
Date: Wed, 18 Oct 2023 10:12:43 +0200
Subject: [PATCH] pkg/metrics: disable http2

---
 pkg/metrics/server.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkg/metrics/server.go b/pkg/metrics/server.go
index 626be725c8..13ce98c25d 100644
--- a/pkg/metrics/server.go
+++ b/pkg/metrics/server.go
@@ -1,6 +1,7 @@
 package metrics
 
 import (
+	"crypto/tls"
 	"fmt"
 	"net/http"
 
@@ -32,8 +33,9 @@ func RunServer(port int) {
 	router := http.NewServeMux()
 	router.Handle("/metrics", handler)
 	srv := &http.Server{
-		Addr:    bindAddr,
-		Handler: router,
+		Addr:         bindAddr,
+		Handler:      router,
+		TLSNextProto: map[string]func(*http.Server, *tls.Conn, http.Handler){}, // disable HTTP/2
 	}
 
 	if err := srv.ListenAndServeTLS(tlsCRT, tlsKey); err != nil {