if !$ceph_mon_initial_members { $ceph_mon_initial_members = $controllers_hostnames_array }
if !$ceph_mon_host { $ceph_mon_host = $controllers_ip_array }
if !$neutron_private_vip { fail('neutron_private_vip is empty') }
if !$ceph_mon_initial_members { $ceph_mon_initial_members = $controllers_hostnames_array }
if !$ceph_mon_host { $ceph_mon_host = $controllers_ip_array }
if !$neutron_private_vip { fail('neutron_private_vip is empty') }