Add nova service user metadata

Enable nova service user by default

Change-Id: I42ac5f7b5ae54fb20ee2f1fd822ac76ee87c938a
Related-Prod: PROD-27591
(cherry picked from commit e9ba5e4a951ec34521f1432f7b75c1b983ee8418)

Add openstack service user soft param

To configure the OpenStack services with service users globally

Change-Id: Id5b1f4d199d3fc2d6abc623c7d2baf8d7bdab459
Related-Prod: PROD-27591, PROD-25985
(cherry picked from commit 0062ffe3c93b8360033e01e66e19dc2ff1d9b8ca)
7 files changed