When checking for holders on a block device, ensure that any
by-uuid or by-dname provided paths are resolved to the underlying
block device when searching for holders.
Change-Id: If0e1fbc62bfe7d0f9e21db9bfdeee761060de846
Closes-Bug: 1782439
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.