From 06c954c6f74c72b6e181346ebdeb68d9765c6681 Mon Sep 17 00:00:00 2001
From: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Date: Thu, 26 Oct 2023 11:44:03 +0800
Subject: [PATCH] br: avoid retry if it's ec2metadata (#47651) (#47790)

close pingcap/tidb#47650
---
 br/pkg/storage/s3.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/br/pkg/storage/s3.go b/br/pkg/storage/s3.go
index d6d29706825bc..67c95bfccbd01 100644
--- a/br/pkg/storage/s3.go
+++ b/br/pkg/storage/s3.go
@@ -969,14 +969,14 @@ func (rl retryerWithLog) ShouldRetry(r *request.Request) bool {
 			r.Error = errors.New("read tcp *.*.*.*:*->*.*.*.*:*: read: connection reset by peer")
 		}
 	})
-	if isConnectionResetError(r.Error) {
-		return true
-	}
-	if isDeadlineExceedError(r.Error) && r.HTTPRequest.URL.Host == ec2MetaAddress {
+	if r.HTTPRequest.URL.Host == ec2MetaAddress && (isDeadlineExceedError(r.Error) || isConnectionResetError(r.Error)) {
 		// fast fail for unreachable linklocal address in EC2 containers.
 		log.Warn("failed to get EC2 metadata. skipping.", logutil.ShortError(r.Error))
 		return false
 	}
+	if isConnectionResetError(r.Error) {
+		return true
+	}
 	return rl.DefaultRetryer.ShouldRetry(r)
 }