Provide UCA mappings and upgrade path for Ceph Mimic release,
enabling upgrades on Bionic from Luminous to Mimic.
Change-Id: I73a283b86dec6a84c2a5bdfb6be5a7d263aaf070
Helper functions for the ceph charms. This library has shared functionality that is used in the ceph-mon, ceph-osd and ceph
charms. Anything that needs to be shared across the ceph charms should live here.