https://blog.csdn.net/Java_ZZZZZ/article/details/135938406
https://zhuanlan.zhihu.com/p/687035016
https://blog.csdn.net/Java_ZZZZZ/article/details/135938406
https://zhuanlan.zhihu.com/p/687035016
kubectl config get-contexts kubectl config use-context <context-name> kubectl config current-context