[root@controller ~(keystone_admin)]# openstack host list
+------------+-------------+----------+
| Host Name  | Service     | Zone     |
+------------+-------------+----------+
| controller | conductor   | internal |
| controller | scheduler   | internal |
| controller | consoleauth | internal |
| compute2   | compute     | nova     |
| compute1   | compute     | nova     |
+------------+-------------+----------+