#!/bin/bash

#authors misery

#

BAK_DIR=/home/web_code1/backup/mysql_backup/`date +%Y-%m-%d`

MYSQL_CMD=/usr/bin/mysqldump

MYSQL_USER=root

MYSQL_PW=

MYSQL_DB=webapp

#判断用户是否正确

if [ $UID -ne  ];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  ];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：

#   * * * /bin/bash /root/auto_backup_mysql.sh >> /var/log/backup_mysql.log >&