root@controller ~(keystone_admin)]# openstack hypervisor list
+----+---------------------+-----------------+--------------+-------+
| ID | Hypervisor Hostname | Hypervisor Type | Host IP      | State |
+----+---------------------+-----------------+--------------+-------+
|  1 | compute2            | QEMU            | 192.168.2.36 | up    |
|  2 | compute1            | QEMU            | 192.168.2.35 | up    |
+----+---------------------+-----------------+--------------+-------+