Paul, the purge has been added to purge_cluster.yml.
Also, I'm fixing this bug here: github.com/ceph/ceph-ansible/pull/1931
Still in progress, fixing more bugs
will be in rc13, tomorrow
Verified in ceph-ansible-3.0.0-0.1.rc13.el7cp
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.