xtrabackup备份脚本

Posted 2020-10-01 缥缈之旅

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背景：现网环境全备份脚本：基于xtrabackup命令

#!/bin/sh

# mysql端口
PORT=‘3003‘

# 备份用户
USER=‘bkpuser‘
PAWD=‘bkpuser‘

Time=`date +%Y%m%d_%H%M%S`

# 备份路径
BASEDIR=‘/data/backup‘

# 备份保留天数
BACKUP_SAVE_DAYS=‘2‘

# 备份过程->LOG文件
LOGFILE="${BASEDIR}/${Time}info.log"
touch ${LOGFILE}

# 开始备份
StartTime=`date +%Y%m%d_%H%M%S`
echo "Start-Time ：${StartTime}" |tee -a ${LOGFILE}
echo "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++" |tee -a ${LOGFILE}

# 备份命令
innobackupex --defaults-file=/data/config/my${PORT}.cnf --user=${USER} --password=${PAWD} --stream=tar /data/backup/ 2>> ${LOGFILE}|gzip >/data/backup/${Time}.tar.gz

# 结束备份
StopTime=`date +%Y%m%d_%H%M%S`
echo "Stop-Time ：${StopTime}" |tee -a ${LOGFILE}
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++" |tee -a ${LOGFILE}

# 清除N天之前的备份
cd ${BASEDIR}
/usr/bin/find -name "*.tar.gz" -mtime +${BACKUP_SAVE_DAYS} -exec rm {} \;
/usr/bin/find -name "*info.log" -mtime +${BACKUP_SAVE_DAYS} -exec rm {} \;