Perform a sleep at the end of the status check loop to avoid
spamming the OSD admin socket continually.
Change-Id: I1d05d0da5010fa16fcdb794c3bcf9d3416aa046a
Related-Bug: 1821028
(cherry picked from commit b61b4d170b)
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.