worker node节点需要部署kubelet、kube-proxy组件
另外,worker node节点还需要部署一个nginx组件来代理kubelet、kube-proxy对apiserver的访问,以达到apiserver高可用
在master节点中,我们也部署kubelet、kube-proxy,但是将master节点做污点处理,不调度业务pod到master节点上

节点类型 主机IP 组件
master 172.16.16.112 kubelet、kube-proxy
master 172.16.16.113 kubelet、kube-proxy
master 172.16.16.114 kubelet、kube-proxy
worker 172.16.16.115 kubelet、kube-proxy、nginx
worker 172.16.16.116 kubelet、kube-proxy、nginx
worker 172.16.16.117 kubelet、kube-proxy、nginx
worker 172.16.16.118 kubelet、kube-proxy、nginx

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