From f9eba8e8c3be1ac446fc7f8e4a4c4b74f4408fc0 Mon Sep 17 00:00:00 2001
From: jiuker <2818723467@qq.com>
Date: Sun, 28 Apr 2024 15:06:51 +0800
Subject: [PATCH] fix: Hang when canceling leader election information

Hang when canceling leader election information.
Occasionally, two leaders may run simultaneously.

Kubernetes-commit: b6b46a0e00682517d2ca7b7e9c2706b8e407e52e
---
 tools/leaderelection/leaderelection.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/leaderelection/leaderelection.go b/tools/leaderelection/leaderelection.go
index af840c4a..5a1194b4 100644
--- a/tools/leaderelection/leaderelection.go
+++ b/tools/leaderelection/leaderelection.go
@@ -304,7 +304,9 @@ func (le *LeaderElector) release() bool {
 		RenewTime:            now,
 		AcquireTime:          now,
 	}
-	if err := le.config.Lock.Update(context.TODO(), leaderElectionRecord); err != nil {
+	timeoutCtx, timeoutCancel := context.WithTimeout(context.Background(), le.config.RenewDeadline)
+	defer timeoutCancel()
+	if err := le.config.Lock.Update(timeoutCtx, leaderElectionRecord); err != nil {
 		klog.Errorf("Failed to release lock: %v", err)
 		return false
 	}