红帽全球峰会11.69. 裸机节点救援
将 baremetal 节点的置备状态设置为 救援
使用方法：
openstack baremetal node rescue [-h] [--wait [<time-out>]]
--rescue-password <rescue-password>
<node>
openstack baremetal node rescue [-h] [--wait [<time-out>]]
--rescue-password <rescue-password>
<node>| value | Summary |
|---|---|
| <node> | 节点的 name 或 uuid。 |
| value | Summary |
|---|---|
| -h, --help | 显示帮助信息并退出 |
| --wait [<time-out>] | 等待节点进入所需的状态 rescue。（可选）取超时值（以秒为单位）。默认值为 0，表示它将无限期等待。 |
| --rescue-password <rescue-password> | 用于登录到救援 ramdisk 的密码。该值应该是非空字符串。 |
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