启动、退出动作

apiVersion: v1
kind: Pod
metadata:
 name: lifecycle-demo
spec:
 containers:
 - name: lifecycle-demo-container
   image: nginx
 lifecycle:
  postStart:
   exec:
    command: ["/bin/sh", "-c", "echo Hello from the postStart handler >
/usr/share/message"]
  preStop:
   exec:
    command: ["/bin/sh", "-c", "echo Hello from the poststop handler >
/usr/share/message"]

​