#!/bin/bash

#阿里云初始安装MySQL

#step1：查寻MariaDB 并卸载

MariaDB_filename=`rpm -qa|grep mariadb`

if [ -d "$MariaDB_filename" ]

then

	echo "存在文件名为$MariaDB_filename"

	rpm -e --nodeps $MariaDB_filename

else

	echo "没有该文件"

fi

cd ~

#step2:搭建MySQL

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

if [ $? -eq 0 ]

then

	echo "下载完成"

	yum -y install mysql57-community-release-el7-10.noarch.rpm

	if [ $? -eq 0 ]

	then

		echo "安装完成"

		yum -y install mysql-community-server

		if [ $? -eq 0 ]

		then

			echo "安装server完成"

			systemctl start mysql.service

			if [ $? -eq 0 ]

			then

				echo "mysqlserver安装成功！"

			else

				echo "出错了！"

				echo $? 2>>/root/error.txt

			fi

		else

			echo "server 安装出错了"

			echo $? 2>>/root/error.txt

		fi

	else：

		echo "安装出错了"

	fi

else

	echo "下载出错了"

	echo $? 2>/root/error.txt

fi