From 4e8a96f1d60888de6e5c860d797bebb8305aa330 Mon Sep 17 00:00:00 2001
From: Yuna Verheyden <yuna.verheyden@posteo.net>
Date: Fri, 13 Dec 2024 15:14:57 +0100
Subject: [PATCH] Init memberlist codecs: append to preconfigured codecs if any
 (#4445)

---
 cmd/tempo/app/modules.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/cmd/tempo/app/modules.go b/cmd/tempo/app/modules.go
index 2780ed31364..6652706d972 100644
--- a/cmd/tempo/app/modules.go
+++ b/cmd/tempo/app/modules.go
@@ -12,7 +12,6 @@ import (
 	kitlog "github.com/go-kit/log"
 	"github.com/go-kit/log/level"
 	"github.com/grafana/dskit/dns"
-	"github.com/grafana/dskit/kv/codec"
 	"github.com/grafana/dskit/kv/memberlist"
 	"github.com/grafana/dskit/middleware"
 	"github.com/grafana/dskit/modules"
@@ -475,10 +474,10 @@ func (t *App) initStore() (services.Service, error) {
 func (t *App) initMemberlistKV() (services.Service, error) {
 	reg := prometheus.DefaultRegisterer
 	t.cfg.MemberlistKV.MetricsNamespace = metricsNamespace
-	t.cfg.MemberlistKV.Codecs = []codec.Codec{
+	t.cfg.MemberlistKV.Codecs = append(t.cfg.MemberlistKV.Codecs,
 		ring.GetCodec(),
 		usagestats.JSONCodec,
-	}
+	)
 
 	dnsProviderReg := prometheus.WrapRegistererWithPrefix(
 		"tempo_",