$ openstack host list
+-----------+-------------+----------+
| Host Name | Service | Zone |
+-----------+-------------+----------+
| devstack | conductor | internal |
| devstack | compute | nova |
| devstack | cert | internal |
| devstack | network | internal |
| devstack | scheduler | internal |
| devstack | consoleauth | internal |
+-----------+-------------+----------+
$ openstack host show devstack
+----------+----------------------------------+-----+-----------+---------+
| Host | Project | CPU | MEMORY MB | DISK GB |
+----------+----------------------------------+-----+-----------+---------+
| devstack | (total) | 2 | 4003 | 157 |
| devstack | (used_now) | 3 | 5120 | 40 |
| devstack | (used_max) | 3 | 4608 | 40 |
| devstack | b70d90d65e464582b6b2161cf3603ced | 1 | 512 | 0 |
| devstack | 66265572db174a7aa66eba661f58eb9e | 2 | 4096 | 40 |
+----------+----------------------------------+-----+-----------+---------+
