From 79ed44c5f0409056b6f365a383a0991c00048033 Mon Sep 17 00:00:00 2001
From: huanghaoyuan <haoyuan.huang@zilliz.com>
Date: Wed, 11 Oct 2023 14:21:01 +0800
Subject: [PATCH] storage: use anonymous credentials when ak sk is empty

Signed-off-by: huanghaoyuan <haoyuan.huang@zilliz.com>
---
 storage/s3.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/storage/s3.go b/storage/s3.go
index 934b9c1..1ef01b8 100644
--- a/storage/s3.go
+++ b/storage/s3.go
@@ -67,7 +67,11 @@ func NewS3Client(cfg Cfg) (*S3Client, error) {
 	}
 
 	if !cfg.UseIAM {
-		awsCfg.Credentials = credentials.NewStaticCredentialsProvider(cfg.AK, cfg.SK, "")
+		if len(cfg.AK) != 0 && len(cfg.SK) != 0 {
+			awsCfg.Credentials = credentials.NewStaticCredentialsProvider(cfg.AK, cfg.SK, "")
+		} else {
+			awsCfg.Credentials = aws.AnonymousCredentials{}
+		}
 	}
 	return &S3Client{cli: s3.NewFromConfig(awsCfg)}, nil
 }