From: Kiran Kamineni <kiran.k.kamineni@intel.com>
Date: Wed, 16 Jan 2019 00:35:36 +0000 (-0800)
Subject: Check if no document is returned before error
X-Git-Tag: 0.1.0~83^2
X-Git-Url: https://gerrit.onap.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F44%2F75844%2F2;p=multicloud%2Fk8s.git

Check if no document is returned before error

Check if no document is returned in SingleResult
before throwing any error.

Issue-ID: MULTICLOUD-435
Change-Id: I9d92ff325701c04af278ba7c9e2bf5a55fd4d9bd
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
---

diff --git a/src/k8splugin/db/mongo.go b/src/k8splugin/db/mongo.go
index 311f044c..65e721c3 100644
--- a/src/k8splugin/db/mongo.go
+++ b/src/k8splugin/db/mongo.go
@@ -224,6 +224,11 @@ func (m *MongoStore) Delete(coll, key, tag string) error {
 	keydata, err := decodeBytes(c.FindOneAndUpdate(ctx, filter, update,
 		options.FindOneAndUpdate().SetReturnDocument(options.Before)))
 	if err != nil {
+		//No document was found. Return nil.
+		if err == mongo.ErrNoDocuments {
+			return nil
+		}
+		//Return any other error that was found.
 		return pkgerrors.Errorf("Error decoding master table after update: %s",
 			err.Error())
 	}