From aa3d286f543c3940a00169334693579c0f364558 Mon Sep 17 00:00:00 2001
From: cui <cuiweixie@gmail.com>
Date: Fri, 3 Jul 2026 14:59:28 +0800
Subject: [PATCH] cmd/utils: keep metrics tag values containing '=' (#35168)

---
 cmd/utils/flags.go      | 2 +-
 cmd/utils/flags_test.go | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 9d06e54f6c..a6f7576ea2 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -2284,7 +2284,7 @@ func SplitTagsFlag(tagsFlag string) map[string]string {
 
 	for _, t := range tags {
 		if t != "" {
-			kv := strings.Split(t, "=")
+			kv := strings.SplitN(t, "=", 2)
 
 			if len(kv) == 2 {
 				tagsMap[kv[0]] = kv[1]
diff --git a/cmd/utils/flags_test.go b/cmd/utils/flags_test.go
index 0be3370d4a..382bcd9eec 100644
--- a/cmd/utils/flags_test.go
+++ b/cmd/utils/flags_test.go
@@ -52,7 +52,9 @@ func Test_SplitTagsFlag(t *testing.T) {
 		{
 			"garbage",
 			"smth=smthelse=123",
-			map[string]string{},
+			map[string]string{
+				"smth": "smthelse=123",
+			},
 		},
 	}
 	for _, tt := range tests {