部署Kubernetes高可用集群（v1.20，二进制）
一. 系统软件环境 软件 版本 操作系统 CentOS Linux release 7.8.2003 (Core) Docker docker-20.10.6-ce Kubernetes 1.20.6 ETCD 3.4.15 节点组件 角色 IP 组件 k8s-master1 3.1.101.49 kube-apiserver, kube-controller-manager, kube-scheduler, docker, kubelet, kube-proxy,etcd,nginx,keepalived k8s-master2 3.1.101.50 kube-apiserver, kube-controller-manager, kube-scheduler, docker, kubelet, kube-proxy,etcd,nginx,keepalived k8s-node1 3.1.101.51 docker, kubelet, kube-proxy, etcd k8s-node2 3.1.101.52 docker,...