k8s 服务启动顺序
1 启动Master节点
systemctl start keepalived
systemctl start etcd
systemctl start kube-scheduler
systemctl start kube-controller-manager
systemctl restart kube-apiserver  
kubectl get cs

2 启动Node节点
systemctl start flanneld
systemctl start docker
systemctl start kubelet
systemctl start kube-proxy

3 停止Node节点
systemctl stop kubelet
systemctl stop kube-proxy
systemctl stop docker
systemctl stop flanneld

4 停止Master 节点
systemctl stop kube-controller-manager
systemctl stop kube-scheduler
systemctl stop etcd
systemctl stop keepalived