每个节点都需要安装NFS
node节点安装NFS客户端
master节点安装NFS服务端

yum install -y nfs-utils

[root@k8s-master tomcat]# vim /etc/exports

/wy 10.0.0.0/24(rw,async,no_root_squash,no_all_squash)
[root@k8s-master tomcat]# showmount -e 10.0.0.11
[root@k8s-master tomcat]# mkdir /wy
[root@k8s-master tomcat]# systemctl restart rpcbind.s
rpcbind.service  rpcbind.socket   
[root@k8s-master tomcat]# systemctl restart rpcbind.service 
[root@k8s-master tomcat]# systemctl enable rpcbind.service 
[root@k8s-master tomcat]# systemctl restart nfs
[root@k8s-master tomcat]# systemctl enable nfs
Created symlink from /etc/systemd/system/multi-user.target.wants/nfs-server.service to /usr/lib/systemd/system/nfs-server.service.

    spec:
      volumes:
        - name: mysql
          nfs:	# 添加nfs数据持久化
            path: /wy
            server: 10.0.0.11
      containers:
        - name: mysql
          image: 10.0.0.11:5000/mysql:5.7
          ports:
          - containerPort: 3306
          volumeMounts:	# 添加volumes目录
          - name: mysql
            mountPath: /var/lib/mysql