mon: copy openstack keys over to all mon
mon: copy openstack keys over to all mon

When configuring openstack, the created keyrings aren't copied over to
all monitors nodes.

This should have been backported from
433ecc7cbcc1ac91cab509dabe5c647d58c18c7f but this would implie too much
changes.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1588093

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

fgal/ceph-ansible,fgal/ceph-ansible