SHELL 自动备份MYSQL数据库（备份单个数据库及所有数据库）

#!/bin/bash

#2017-8-16 08:58:22

#By baiyuanhong

#Auto_Backup_Mysql

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MYSQL_STATUS=`netstat -anpl |grep mysqld | grep 3306 | wc -l`

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#system base info

IPADD=`ifconfig eth0 | grep "inet addr" | awk ‘{print $2}‘ | sed ‘s/addr://g‘`

HOSTNAME=`hostname`

DATE=`date +"%y-%m-%d %H:%M:%S"`

USER=`whoami`

DISK_SDA1=`df -h | grep /dev/sda1 | awk ‘{print $5}‘`

CPU_INFO=`cat /proc/loadavg`

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#status_check

echo -e "\033[32m********************************************\033[0m"

if [ $MYSQL_STATUS -eq 0 ];then

    echo "Mysql..............................[NOT RUN]"

else

    echo "Mysql..............................[RUNNING]"

fi

echo -e "\033[32m********************************************\033[0m"

cat << EOF

|------------System Information-------------

|DATE :$DATE

|HOSTNAME :$HOSTNAME

|USER :$USER

|IP :$IPADD

|DISK_USED :$DISK_SDA1

|CPU_AVERAGE :$CPU_INFO

--------------------------------------------

EOF

echo -e "\033[32m*******Please Enter Your Choice:[1-3]******\033[0m"

cat << EOF

1)Backup Single Mysql DB

2)Backup All Mysql DB

3)exit

--------------------------------------------

EOF

read -p "Please Enter Your Choice:" input

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if [ $input -eq 1 ];then

    mysql -uroot -p123456 -e "show databases;"

    read -p "Please Enter Your DBname:" DBname

    mysqldump -uroot -p123456 $DBname >/tmp/$DBname\_`date +%Y%m%d`.sql

fi

if [ $input -eq 2 ];then

    mysql -uroot -p123456 -e "show databases;"

    read -p "Please Confirm Your Choice(y/n):" yn

    if [ $yn == "y" ];then

        mysqldump -uroot -p123456 --all-databases >/tmp/all_databases_`date +%Y%m%d`.sql

    else

        exit

    fi

fi

if [ $input -eq 3 ];then

    exit

fi