帮我写个shell脚本,当执行的"nova service-list |awk '{print $12}' | grep down"命令和”cinder service-list | grep down“命令退出码返回同时是0的时候, 则不执行”ping 127.0.0.1“命令
时间: 2024-10-10 09:16:56 浏览: 13
当然可以,下面是一个简单的bash shell脚本来满足您的需求:
```bash
#!/bin/bash
# nova service-list and check for 'down' services
nova_service_status=$(nova service-list | awk '{print $12}' | grep -q down)
if [[ $nova_service_status == 0 ]]; then
cinder_service_status=$(cinder service-list | grep -q down)
# if both nova and cinder services are down
if [[ $cinder_service_status == 0 ]]; then
echo "Both Nova and Cinder services are down. Skipping ping to 127.0.0.1."
else
echo "At least one service is up. Executing ping..."
ping -c 1 127.0.0.1
fi
else
echo "Nova services are not all down. Executing ping..."
ping -c 1 127.0.0.1
fi
```
这个脚本首先检查`nova service-list`的结果中是否有'state=down'的服务。如果结果的退出码是0(表示匹配),则进一步检查`cinder service-list`。如果两者都状态为'down',则跳过`ping`命令;如果有任何一个服务不是'down',则执行`ping 127.0.0.1`。