need to use `hostvars[host]['XXX']` to retrieve the monitor
interface and/or radosgw interface.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1493920
Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
This will give us more flexibility and the possibility to deploy a client node
for an external ceph-cluster.
related BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1469426Fixes: #1670
Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>