root@controller:~# su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova
Option "verbose" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
Found 2 cell mappings.
Skipping cell0 since it does not contain hosts.
Getting compute nodes from cell 'cell1': f980d108-b282-4557-8ccd-bfb43752df7f
Found 1 computes in cell: f980d108-b282-4557-8ccd-bfb43752df7f
Checking host mapping for compute host 'compute': 287e59da-4d9f-4e87-9e60-21e698a6d387