lifecycle 生命周期

[root@master probe]# cat lifecycle-demo.yaml 
apiVersion: v1
kind: Pod
metadata:
  name: lifecycle-demo
  namespace: default
spec:
  containers:
  - name: demo
    image: ikubernetes/demoapp:v1.0
    imagePullPolicy: IfNotPresent
    securityContext:
      capabilities:
        add:
        - NET_ADMIN
    livenessProbe:
      httpGet:
        path: '/livez'
        port: 80
        scheme: HTTP
      initialDelaySeconds: 5
    lifecycle:
      postStart: #启动后执行的命令
        exec:
          command: ['/bin/sh','-c','iptables -t nat -A PREROUTING -p tcp --dport 8080 -j REDIRECT --to-ports 80']
      preStop:   #停止前执行的命令
        exec:
          command: ['/bin/sh','-c','while killall python3; do sleep 1; done']
  restartPolicy: Always