OpenStack中nova常用命令

OpenStack

• 查看宿主机清单

[root@controller1 ~]# nova host-list
+-------------+-------------+----------+
| host_name   | service     | zone     |
+-------------+-------------+----------+
| compute150  | compute     | nova     |
| compute151  | compute     | nova     |
| compute153  | compute     | nova     |
| compute154  | compute     | nova     |
| compute152  | compute     | nova     |
| compute155  | compute     | nova     |
| controller3 | conductor   | internal |
| controller2 | conductor   | internal |
| controller1 | conductor   | internal |
| controller3 | consoleauth | internal |
| controller3 | scheduler   | internal |
| controller2 | scheduler   | internal |
| controller1 | scheduler   | internal |
| controller1 | consoleauth | internal |
| controller2 | consoleauth | internal |
+-------------+-------------+----------+

• 查看nova服务各节点的状态信息

[root@controller1 ~]# nova service-list
+-----+------------------+-------------+----------+---------+-------+----------------------------+-----------------+
| Id  | Binary           | Host        | Zone     | Status  | State | Updated_at                 | Disabled Reason |
+-----+------------------+-------------+----------+---------+-------+----------------------------+-----------------+
| 85  | nova-compute     | compute150  | nova     | enabled | up    | 2018-04-14T06:04:43.000000 | -               |
| 88  | nova-compute     | compute151  | nova     | enabled | up    | 2018-04-14T06:04:43.000000 | -               |
| 94  | nova-compute     | compute153  | nova     | enabled | up    | 2018-04-14T06:04:40.000000 | -               |
| 97  | nova-compute     | compute154  | nova     | enabled | up    | 2018-04-14T06:04:42.000000 | -               |
| 100 | nova-compute     | compute152  | nova     | enabled | up    | 2018-04-14T06:04:45.000000 | -               |
| 103 | nova-compute     | compute155  | nova     | enabled | up    | 2018-04-14T06:04:45.000000 | -               |
| 109 | nova-conductor   | controller3 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
| 127 | nova-conductor   | controller2 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
| 130 | nova-conductor   | controller1 | internal | enabled | up    | 2018-04-14T06:04:38.000000 | -               |
| 136 | nova-consoleauth | controller3 | internal | enabled | up    | 2018-04-14T06:04:45.000000 | -               |
| 139 | nova-scheduler   | controller3 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
| 142 | nova-scheduler   | controller2 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
| 145 | nova-scheduler   | controller1 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
| 148 | nova-consoleauth | controller1 | internal | enabled | up    | 2018-04-14T06:04:44.000000 | -               |
| 151 | nova-consoleauth | controller2 | internal | enabled | up    | 2018-04-14T06:04:37.000000 | -               |
+-----+------------------+-------------+----------+---------+-------+----------------------------+-----------------+

• 查看宿主机详细信息

nova hypervisor-show compute150

• 查看当前宿主机上所有运行的虚拟机

  nova hypervisor-servers compute150

• 查看宿主机服务状态

nova service-list

• 宿主机在线迁移虚拟机

nova live-migration <instanceID> <dstCompute>

• 查看计算节点资源使用情况

 [root@controller1 ~]# nova host-describe compute150
+------------+----------------------------------+-----+-----------+---------+
| HOST       | PROJECT                          | cpu | memory_mb | disk_gb |
+------------+----------------------------------+-----+-----------+---------+
| compute150 | (total)                          | 40  | 654654    | 231729  |
| compute150 | (used_now)                       | 118 | 215552    | 0       |
| compute150 | (used_max)                       | 118 | 215040    | 0       |
| compute150 | 22938c8796b74e6cbb4bba13c9bde822 | 114 | 206848    | 0       |
| compute150 | 34906ac2c713454d8bdfbd09fa32a6fb | 4   | 8192      | 0       |
+------------+----------------------------------+-----+-----------+---------+