概述

在我们搭建完k8s的时候，有时需要启动个centos系统的pod，打印日志，不可避免的就需要在command字段里是循环。

操作

示例1

死循环输出“hello”

        command:- /bin/sh- -c- while true; do echo hello; sleep 1;done      

完整发布文件centos-deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:labels:k8s-app: centosqcloud-app: centosname: centosspec:replicas: 1selector:matchLabels:k8s-app: centosqcloud-app: centosstrategy:rollingUpdate:maxSurge: 1maxUnavailable: 0type: RollingUpdatetemplate:metadata:labels:k8s-app: centosqcloud-app: centosspec:containers:- image: centos:7imagePullPolicy: Alwaysname: centoscommand:- /bin/sh- -c- while true; do echo hello; sleep 1;done          

示例2

死循环维持pod运行

        - command:- sleep- '3600'