The octopus -> pacific upgrade path is missing from the stable/pacific
branch, which results in an error and failure to upgrade.
Invalid upgrade path from octopus to octopus. Valid paths are: ['firefly
-> hammer', 'hammer -> jewel', 'jewel -> luminous', 'luminous -> mimic',
'mimic -> nautilus', 'nautilus -> octopus']
Change-Id: I07f0b34e80978189ca03ab7bad956e5ce5da4201
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.