安装过程请:https://www.cnblogs.com/xiaoqshuo/p/10069609.html
参考：
https://github.com/dotbalo/k8s-ha-install
https://www.cnblogs.com/dukuan/p/9856269.html
https://kubernetes.io/docs/setup/independent/high-availability/
https://github.com/cookeem/kubeadm-ha/blob/master/README_CN.md
https://blog.csdn.net/ygqygq2/article/details/81333400
kubeadm-highavailiability - kubernetes
