#!/bin/bash #authors misery 2019 # BAK_DIR=/home/web_code1/backup/mysql_backup/`date +%Y-%m-%d` MYSQL_CMD=/usr/bin/mysqldump MYSQL_USER=root MYSQL_PW=123456 MYSQL_DB=webapp #判断用户是否正确 if [ $UID -ne 0 ];then echo -e "\033[1;31myou must be use root run '$0'\033[0m" exit fi #判断备份目录是否存在 if [ ! -d $BAK_DIR ];then mkdir -p $BAK_DIR echo -e "\033[32m$BAK_DIR Create new directory Successfully\033[0m" else echo -e "\033[33mThis directory $BAK_DIR already exist\033[0m" fi # mysqldump -uroot -proot salt > $BAK_DIR/salt.sql # 使用mysqldump工具执行备份命令 if [ -f $BAK_DIR/$MYSQL_DB.sql ];then echo -e "\033[33m$MYSQL_DB.sql Backup already exists,please check out.\033[0m" exit else echo -e "\033[32mBackup is running...\033[0m" $MYSQL_CMD -u$MYSQL_USER -p$MYSQL_PW -d $MYSQL_DB > $BAK_DIR/$MYSQL_DB.sql if [ $? -eq 0 ];then echo -e "\033[32mMySQL backup successfully.\033[0m" else echo -e "\033[33mmysql backup failed,please check\033[0m" fi fi #加入定时任务： # 0 0 * * * /bin/bash /root/auto_backup_mysql.sh >> /var/log/backup_mysql.log 2>&1