imagePullPolicy

imagePullPolicy

k  explain pod.spec.containers --recursive |grep imagePullPolicy

得到结果：

imagePullPolicy	<string>

k  explain pod.spec.containers

得到结果：

imagePullPolicy	<string>
     Image pull policy. 
		One of Always, Never, IfNotPresent. 
		Defaults to Always
     if :latest tag is specified, or IfNotPresent otherwise. Cannot be updated.
     More info:
     https://kubernetes.io/docs/concepts/containers/images#updating-images

解释

--image-pull-policy=Never

Always  总是从远端拉去镜像  【默认配置】
IfNotPresent
Never

A0	B0	C0
Always	总是从远端拉去镜像	默认配置
Never	从来不从远端拉去镜像	使用本地
IfNotPresent	本地不存在则从远端拉取	没有就拉