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23、Kubernetes - 资源清单 - start、stop、相位

发布时间：2022-12-16 21:28:04编辑：雪饮阅读（）

首先创建一个包含启动与停止的监听的脚本的yaml模板

[root@k8s-master01 ~]# cat lifecycle-demo.yaml

apiVersion: v1

kind: Pod

metadata:

name: lifecycle-demo

spec:

containers:

- name: lifecycle-demo-container

image: hub.atguigu.com/library/myapp:v1

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/message2"]

然后创建

[root@k8s-master01 ~]# kubectl create -f lifecycle-demo.yaml

pod/lifecycle-demo created

当pod运行了之后

[root@k8s-master01 ~]# kubectl get pod

NAME READY STATUS RESTARTS AGE

lifecycle-demo 1/1 Running 0 8s

liveness-httpget-pod 0/1 Running 2 22h

可以看到启动的脚本确实执行了

[root@k8s-master01 ~]# kubectl exec lifecycle-demo -it -- /bin/sh

/ # cat /usr/share/message

Hello from the postStart handler

/ #

当然退出就进不来了，所以就不演示了哈

关键字词：Kubernetes,资源,清单,start,stop,相位