
This patch will add an optional parameter --append to the glanceclient command md-tag-create-multiple to provide the facility of appending the tags. If the parameter is present it will append the tags to existing one, else it will overwrite the existing tags. Depends-On: https://review.opendev.org/c/openstack/glance/+/804966 Change-Id: I1841e7146da76b13f4cd8925e19f59d0eaf08f7a