OpenStack host maintenance and upgrade in interaction with application on top of it

Gerrit User 15834 16c12e7026 Update patch set 2 ... Patch Set 2: Code-Review+2 Workflow+1 Thanks! Patch-set: 2 Reviewer: Gerrit User 15834 <15834@4a232e18-c5a9-48ee-94c0-e04e7cca6543> Label: Code-Review=+2 Label: Workflow=+1		2020-01-24 09:52:27 +00:00