centos7 install nfs

#!/bin/bash

read -p "centos install nfs, server is [s] and client is [c]: " TYPE

if [ "s" == "${TYPE}" ]; then
    read -p "need close firewalld: " CLOSE_FIREWALLD
    if [ -z "${CLOSE_FIREWALLD}" ]; then
        systemctl stop firewalld
    fi
    read -p "need clese iptables: " CLOSE_IPTABLES
    if [ -z "${CLOSE_IPTABLES}" ]; then
        /etc/init.d/iptables stop
    fi
    yum -y install nfs-utils rpcbind
    read -p "share dir: " SHARE_DIR
    read -p "share client address: " SHARE_CLIENT_ADDRESS
    read -p "share mod, default[rw,sync,no_root_squash]: " SHARE_MOD

    echo "${SHARE_DIR} ${SHARE_CLIENT_ADDRESS}(${SHARE_MOD})" >/etc/exports

    systemctl start rpcbind.service
    systemctl start nfs-server.service
    systemctl enable rpcbind.service
    systemctl enable nfs-server.service
fi

if [ "c" == "${TYPE}" ]; then
    yum -y install nfs-utils rpcbind
    read -p "server ip: " SERVER_IP
    showmount -e ${SERVER_IP}
    read -p "server share dir: " SERVER_SHARE_DIR
    read -p "client share dir: " CLIENT_SHARE_DIR
    mkdir -p ${CLIENT_SHARE_DIR}

    #mount ${SERVER_IP}:${SERVER_SHARE_DIR} ${CLIENT_SHARE_DIR}
    #umount ${CLIENT_SHARE_DIR}

    echo "${SERVER_SHARE_DIR}:${SERVER_SHARE_DIR} ${CLIENT_SHARE_DIR} nfs defaults 0 0" >>/etc/fstab
    mount -a
    df -hT
fi