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#!/bin/bash
set -e
mysql_install () {
tar -zxf mysql-8.0.17-linux-glibc2.12-x86_64.tar.gz && mv mysql-8.0.17-linux-glibc2.12-x86_64 usr/local/mysql && cd usr/local/mysql
mysql_pid=`ps -ef |grep mysqld |wc -l`
if [ 1 -eq $mysql_pid ];then
echo "mysql进程没运行"
else
pkill mysqld
echo "结束mysql进程"
fi
#useradd mysql
mysql_user=`cat /etc/passwd |grep mysql|wc -l`
if [ 1 -eq $mysql_user ];then
echo "Mysql用户存在"
else
echo -e "Mysql用户不存在，开始添加mysql用户"
useradd mysql
echo -e "添加mysql用户成功！！！"
fi
mysql_data=/data/mysql/mysql
myslq_logs=/data/mysql/logs
if [ !-d $mysql_data ];then
mkdir /data/mysql/mysql -p
else
echo "mysql数据目录存在"
cd /data/mysql && rm -rf /data/mysql/mysql
fi
if [ !-d $mysql_logs ];then
mkdir /data/mysql/logs -p
else
echo "mysql日志目录存在"
cd /data/mysql && rm -rf /data/mysql/logs
fi
chown -R mysql:mysql /data/mysql/ && chown -R mysql:mysql /usr/local/mysql
yes|cp -a /root/my.cnf /etc/my.cnf
/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/mysql
cp -r /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld && chmod +x /etc/init.d/mysqld
#判断初始化是否成功
mysql_init=`cat mysql-error.log |grep -i "root@localhost:"|wc -l`
if [ 1 -eq $mysql_init ];then
echo "mysql 初始化成功"
else
echo "mysql 初始化失败"
fi
chkconfig mysqld on && chkconfig --add mysqld
echo "export PATH=$PATH:/usr/local/mysql/bin" > /etc/profile
/etc/init.d/mysqld start
mysql_start=`ps -ef |grep mysql|grep -v grep|grep -v mysql_install.sh|wc -l`
if [ 2 -eq $mysql_start ];then
echo "mysql 启动成功"
else
echo "mysql 启动失败"
fi
}
mysql_install
----------------------end---------------------
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