Extend ceph-proxy to implement ceph-mds interface, this allows the
ceph-fs to be related. The testing is made reusing the CephFSTests
testing class.
Usage example:
juju add-relation ceph-proxy:mds ceph-fs:ceph-mds
Co-Authored-By: Felipe Reyes <felipe.reyes@canonical.com>
Closes-Bug: #1922195
Func-Test-PR: https://github.com/openstack-charmers/zaza-openstack-tests/pull/558
Change-Id: I437dbac9fe018eb2d0ffb87052d61a08aa014473