As of the Luminous release, Ceph requires ceph-mgr daemons be run
to have a fully functional cluster. [0]
[0] http://docs.ceph.com/docs/master/mgr/administrator/
Change-Id: I31197dcd3ad05c0db3811096c6d88308e7c10658
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.