#!/bin/bash
yum -y  install libaio perl-Data-Dumper 
yum -y install  vim 
yum -y install  gcc gcc-c++ wget autoconf net-tools lrzsz curl policycoreutils openssh-server openssh-clients postfix 
DIR='/usr/local'
NAME='mysql-5.6.34-linux-glibc2.5-x86_64.tar.gz'
FULL_NAME=${DIR}/${NAME}
DATE_DIR='/data/mysql'
if [ -f ${FULL_NAME} ];then 
    echo "mysql_5.6.34压缩二进制包存在，将进行下面操作..."
else
    echo "mysql_5.6.34压缩二进制包不存在，无法下面操作,退出"
    exit 3
fi

if [ -h /usr/local/mysql ];then
    echo "Mysql已经安装过，退出"
    exit 3
else
    tar -xvf $DIR/mysql-5.6.34-linux-glibc2.5-x86_64.tar.gz   -C  /usr/local/src
    ln  -sv  $DIR/src/mysql-5.6.34-linux-glibc2.5-x86_64   $DIR/mysql
    if [ $? -eq 0 ];then 
        echo "创建软连接成功"
    else
        echo "软连接创建失败，退出！"
    fi
    if id mysql;then
        echo "mysql 用户已经存在，跳过创建此用户"
    else
        useradd -r -s /sbin/nologin mysql
    fi
    if id mysql;then
        chown  -R  mysql.mysql /usr/local/mysql/*
        if [ ! -d /data/mysql ];then
            mkdir /data/mysql -p && chown -R mysql.mysql /data
            cd /usr/local/mysql/
            ./scripts/mysql_install_db --uesr=mysql --datadir=/data/mysql
            cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
            chmod +x /etc/init.d/mysql
            cp ${DIR}/my.cnf /etc/my.cnf
            ln -sv /usr/local/mysql/bin/mysql /usr/bin/mysql
            /etc/init.d/mysql start 
            chkconfig --add mysqld
        else
            echo "mysql数据库已经存在"
            exit 3
        fi
    fi
fi