From ad205f8388e8cddc174bb5aaa28efd2c5cfc2202 Mon Sep 17 00:00:00 2001
From: ajatprabha <ajat.prabha.leo@gmail.com>
Date: Fri, 15 Feb 2019 12:30:34 +0530
Subject: [PATCH] add ResourceVersion check to Preconditions#Check

Kubernetes-commit: 3135cea2cce02bc8c6796e97f4579d538f357f74
---
 pkg/storage/interfaces.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkg/storage/interfaces.go b/pkg/storage/interfaces.go
index 93b3f5deb..cff425f3a 100644
--- a/pkg/storage/interfaces.go
+++ b/pkg/storage/interfaces.go
@@ -128,8 +128,14 @@ func (p *Preconditions) Check(key string, obj runtime.Object) error {
 			objMeta.GetUID())
 		return NewInvalidObjError(key, err)
 	}
+	if p.ResourceVersion != nil && *p.ResourceVersion != objMeta.GetResourceVersion() {
+		err := fmt.Sprintf(
+			"Precondition failed: ResourceVersion in precondition: %v, ResourceVersion in object meta: %v",
+			*p.ResourceVersion,
+			objMeta.GetResourceVersion())
+		return NewInvalidObjError(key, err)
+	}
 	return nil
-
 }
 
 // Interface offers a common interface for object marshaling/unmarshaling operations and