linux中mysql定时备份脚本

source /etc/bashrc && source /etc/profile
MySQL_USER=wlkj
MySQL_PASSWORD=linuxweb2015
MySQL_DUMP_PATH=/u01/mysql_backup
DATE=$(date '+%Y-%m-%d')

# 创建相关备份目录
[ -d ${MySQL_DUMP_PATH} ] || mkdir ${MySQL_DUMP_PATH}
cd ${MySQL_DUMP_PATH}
[ -d logs ] || mkdir logs
[ -d ${DATE} ] || mkdir ${DATE}
cd ${DATE}


# 备份整个数据库
/usr/bin/mysqldump -u${MySQL_USER} -p${MySQL_PASSWORD} --skip-lock-tables  --all-databases > mysql_wlkj_all_${DATE}.sql

#  写日志
[ "$?" == 0 ] && echo "${DATE}: 备份成功" >> ${MySQL_DUMP_PATH}/logs/MysqlDump.log
[ "$?" != 0 ] && echo "${DATE}: 备份失败" >> ${MySQL_DUMP_PATH}/logs/MysqlDump.log
cd ${MySQL_DUMP_PATH}/
rm -rf $(date +%Y-%m-%d --date='5 days ago')
exit 0	
#每天凌晨两点执行
#0 2 * * * /u01/hbk_mysql_bak.sh