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https://github.com/dunwu/linux-tutorial.git
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71 lines
2.4 KiB
Bash
71 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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#数据库IP
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dbServer="127.0.0.1"
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#数据库用户名
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dbUser="root"
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#数据密码
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dbPassword="Tw#123456"
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# 备份模式：备份所有数据库（ALL）|备份指定数据库列表（CUSTOM）
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backupMode="ALL"
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#backupMode="CUSTOM"
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#数据库,如有多个库用空格分开
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databaseList="mysql sys"
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#备份日期
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backupDate=`date +"%Y%m%d"`
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#备份路径
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backupPath="/var/lib/mysql/backup"
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#备份日志路径
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logPath="${backupPath}/mysql-backup.log"
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#日志记录头部
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mkdir -p ${backupPath}
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touch ${logPath}
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echo "------------------------------------------------------------------" >> ${logPath}
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beginTime=`date +"%Y-%m-%d %H:%M:%S"`
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echo "备份数据库开始，时间：${beginTime}" >> ${logPath}
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#正式备份数据库
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if [[ ${backupMode} == "ALL" ]];then
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filename="all-${backupDate}"
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#备份所有数据库
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source=`mysqldump -h ${dbServer} -u ${dbUser} -p${dbPassword} --all-databases > ${backupPath}/${filename}.sql`
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2>> ${logPath};
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#备份成功以下操作
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if [[ "$?" == 0 ]];then
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cd ${backupPath}
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#为节约硬盘空间，将数据库压缩
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tar zcf ${filename}.tar.gz ${filename}.sql > /dev/null
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#删除原始文件，只留压缩后文件
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rm -f ${backupPath}/${filename}.sql
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#删除七天前备份，也就是只保存7天内的备份
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find ${backupPath} -name "*.tar.gz" -type f -mtime +7 -exec rm -rf {} \; > /dev/null 2>&1
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echo ">>>> 备份所有数据库成功!" >> ${logPath}
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else
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#备份失败则进行以下操作
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echo ">>>> 备份所有数据库失败!" >> ${logPath}
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fi
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else
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#备份指定数据库列表
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for database in ${databaseList}; do
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filename="${database}-${backupDate}"
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source=`mysqldump -h ${dbServer} -u ${dbUser} -p${dbPassword} ${database} > ${backupPath}/${filename}.sql` 2>> ${logPath};
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#备份成功以下操作
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if [[ "$?" == 0 ]];then
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cd ${backupPath}
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#为节约硬盘空间，将数据库压缩
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tar zcf ${filename}.tar.gz ${filename}.sql > /dev/null
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#删除原始文件，只留压缩后文件
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rm -f ${backupPath}/${filename}.sql
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#删除七天前备份，也就是只保存7天内的备份
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find ${backupPath} -name "*.tar.gz" -type f -mtime +7 -exec rm -rf {} \; > /dev/null 2>&1
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echo ">>>> 备份数据库 ${database} 成功!" >> ${logPath}
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else
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#备份失败则进行以下操作
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echo ">>>> 备份数据库 ${database} 失败!" >> ${logPath}
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fi
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done
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fi
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endTime=`date +"%Y-%m-%d %H:%M:%S"`
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echo "备份数据库结束，时间：${endTime}" >> ${logPath}
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