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68 lines
2.2 KiB
68 lines
2.2 KiB
#!/usr/bin/bash
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source ./color.sh
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# 检查执行用户
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if [ $UID -ne 0 ];then
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red "请使用过ROOT用户执行脚本"
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exit 1
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fi
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# mysql 安装检查
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[[ -f /etc/my.cnf ]] || [[ -d /var/lib/mysql ]] || [[ -f /usr/bin/mysql ]] && \
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yellow "经检查发现，当前系统曾安装过mysql数据库，是否进行备份后卸载操作[Y|N]"
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read modify
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modify=${modify:="N"}
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if [ $modify = 'Y' ];then
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systemctl stop mysqld mariadb &>/dev/null
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yum remove `rpm -qa |grep mysql`
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yum remove `rpm -qa |grep maraidb`
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mkdir -p /db-save/{conf,log,data}
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mv /etc/my.cnf /db-save/conf
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mv /var/log/mysql* /db-save/log
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mv /var/log/mariadb* /db-save/log
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mv /var/lib/mysql/* /db-save/data
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userdel -r -f mysql
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yellow "我们为您将数据备份到了/db-save目录下"
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else
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green "为了您的数据安全，我们并未进行任何操作"
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exit 0
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fi
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# 网络检查
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ping -w1 -c1 www.baidu.com &>/dev/null
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if [ $? -ne 0 ] ;then
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red "网络异常"
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exit 2
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fi
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# yum源检查
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cd /etc/yum.repos.d/ && \
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rename .repo .repo.bak *.repo
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curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
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yum install -y epel-release yum-utils && \
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green "yum源成功安装"
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green "开始安装mysql yum源"
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yum install -y https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
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green "请输入安装的版本[80|57|56|55](default:57)："
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read level
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green "请输入初始密码："
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read -s passwd
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level=${level:=57}
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case $level in
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80)
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yum -y install mysql-community-server
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;;
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*)
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yum-config-manager --disable mysql80-community
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yum-config-manager --enable mysql${level}-community
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yum -y install mysql-community-server
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;;
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esac
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systemctl enable mysqld && systemctl start mysqld && green "mysql安装完成并且成功启动" || red "mysql 安装失败请检查"
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yellow "mysql 5.6及以下版本没有初始密码"
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[[ -f /var/log/mysqld.log ]] && mysql_passwd=$(grep password /var/log/mysqld.log| awk '{print $NF}') || red "数据库日志异常，请手动更新初始密码"
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[[ ! -z mysql_passwd ]] && mysqladmin -p"$mysql_passwd" password "$passwd" && green "密码修改成功：原密码:$mysql_passwd 新密码: $passwd" || red "密码修改出错，请手动修改"
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