Helpers for writing Ceph OpenStack Charms

Gerrit User 31289 91f6dc8757 Update patch set 2 ... Patch Set 2: Code-Review+2 Workflow+1 Patch-set: 2 Reviewer: Gerrit User 31289 <31289@4a232e18-c5a9-48ee-94c0-e04e7cca6543> Label: Code-Review=+2 Label: Workflow=+1		2021-06-21 14:31:14 +00:00