From df925c717169c7f8a4e70faddd18b81658d0a3f2 Mon Sep 17 00:00:00 2001
From: lihanbo <lihanbo2@huawei.com>
Date: Tue, 23 Nov 2021 17:26:08 +0800
Subject: [PATCH] support update object annotations

Signed-off-by: lihanbo <lihanbo2@huawei.com>
---
 pkg/util/annotation.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkg/util/annotation.go b/pkg/util/annotation.go
index 784579135..53e8f07a8 100644
--- a/pkg/util/annotation.go
+++ b/pkg/util/annotation.go
@@ -8,8 +8,11 @@ func MergeAnnotation(obj *unstructured.Unstructured, annotationKey string, annot
 	if objectAnnotation == nil {
 		objectAnnotation = make(map[string]string, 1)
 	}
-	objectAnnotation[annotationKey] = annotationValue
-	obj.SetAnnotations(objectAnnotation)
+
+	if _, exist := objectAnnotation[annotationKey]; !exist {
+		objectAnnotation[annotationKey] = annotationValue
+		obj.SetAnnotations(objectAnnotation)
+	}
 }
 
 // MergeAnnotations merges the annotations from 'src' to 'dst'.