update: ensure ceph command returns 0
update: ensure ceph command returns 0

these commands could return something else than 0.
Let's ensure all retries have been done before actually failing.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible