#!/bin/bash#-------------------------------#this install just for test ues#write on 2014-11-24#write by xuanzhi#------------------------------#定义变量soft_path=/usr/local/srcmysql_pack=mysql-5.5.40-linux2.6-x86_64.tar.gzmysql_version=`echo "mysql-5.5.40-linux2.6-x86_64.tar.gz"|cut -d - -f1,2`mysql_user=mysql2mysql_port=3308mysql_passwd=123456install_path=/usr/localmysql_path=/usr/local/${mysql_version}mysql_data_path=/data/${mysql_version}/data#创建用户、赋权、安装groupadd ${mysql_user}if [ $? -ne 0 ]then  echo "this user ${mysql_user} is exist!!"  exit 1fiuseradd -r -g ${mysql_user} ${mysql_user}cd ${soft_path}if [ ! -e ${mysql_pack} ]then  echo "install pack is not exist!!"  exit 1fitar zxvf ${mysql_pack} -C ${install_path}cd ${install_path} && mv ${mysql_version}-* ${mysql_version}chown -R root:${mysql_user} ${mysql_path}cd ${mysql_path} && cp support-files/my-large.cnf ${mysql_path}/my.cnfmkdir -p /data/${mysql_version}chown -R ${mysql_user}:${mysql_user} /data/${mysql_version}#修改my.cnfsed -i "/3306/{x;s/^/./;/^.\{2\}$/{x;s/3306/${mysql_port}/;b};x}" ${mysql_path}/my.cnfsed -i "/socket/{x;s/^/./;/^.\{2\}$/{x;s#/tmp/mysql.sock#/data/${mysql_version}/mysql.sock#;b};x}" ${mysql_path}/my.cnfsed -i "/${mysql_port}/a\datadir         = ${mysql_data_path}" ${mysql_path}/my.cnfsed -i "/${mysql_port}/a\basedir         = ${mysql_path}" ${mysql_path}/my.cnfsed -i "/${mysql_port}/a\use             = ${mysql_user}" ${mysql_path}/my.cnfsed -i "/innodb_buffer_pool_size/s/^#//" ${mysql_path}/my.cnf#初始化cd ${mysql_path} yum install libaio -yscripts/mysql_install_db --user=${mysql_user} --defaults-file=${mysql_path}/my.cnfif [ $? -ne 0 ]then  echo -e "\e[1;31m[MySQL install init failure...]\e[0m"  exit 1fi#添加启动关闭脚本cat >>shutdown_mysql.sh<<EOF#!/bin/bash${mysql_path}/bin/mysqladmin --defaults-file=${mysql_path}/my.cnf -uroot -p${mysql_passwd} -S /data/${mysql_version}/mysql.sock shutdownEOFcat >>start_mysql.sh<<EOF#! /bin/shnohup ${mysql_path}/bin/mysqld_safe --defaults-file=${mysql_path}/my.cnf >> ${mysql_path}/start_stop.log 2>&1 &EOF#启动MySQLchmod +x shutdown_mysql.sh start_mysql.sh && sh start_mysql.shsleep 50ps -aux |grep -v grep |grep ${mysql_port} &> /dev/nullif [ $? -ne 0 ]then   echo -e "\e[1;31m[MySQL start failure...]\e[0m"   exit 1else    echo -e "\e[1;32m[MySQL start secessful]\e[0m"fi#修改密码${mysql_path}/bin/mysqladmin -uroot password "${mysql_passwd}"  -S /data/${mysql_version}/mysql.sock