centos7-每天定时备份mysql数据库

#!/bin/bash
DATE=`date +%Y%m%d%H%M`                #every minute
DATABASE=springboot-admin              #database name
DB_USERNAME=root                       #database username
DB_PASSWORD="mysql"                    #database password
BACKUP_PATH=/backup/mysqldata          #backup path

#backup command

/usr/bin/mysqldump -u$DB_USERNAME -p$DB_PASSWORD -h 127.0.0.1 -R --opt $DATABASE | gzip > ${BACKUP_PATH}\/${DATABASE}_${DATE}.sql.gz

#just backup the latest 5 days

find ${BACKUP_PATH} -mtime +5 -name "${DATABASE}_*.sql.gz" -exec rm -f {} \;

chmod +x database_backup_shell.sh

crontab -e

00 3 * * * /root/database_backup_shell.sh