mysql_backup.sh

#!/bin/bash

DBName=mysql

DBUser=user

DBPasswd=passwd

BackupPath=/var/

LogFile=/var/log/db.log

DBPath=/var/lib/mysql/mysql

NewFile="$BackupPath"db$(date +%Y%m%d).tgz

DumpFile="$BackupPath"db$(date +%Y%m%d)

OldFile="$BackupPath"db$(date +%Y%m%d --date='5 days ago').tgz

echo "---------------------------------" >> $LogFile

echo $(date +"%y-%m-%d %H:%M:%S") >> $LogFile

echo "---------------------------------" >> $LogFile

if [ -f $OldFile ]

then

rm -rf $OldFile >> $LogFile 2>&1

echo "[$OldFile]Delete old file succes!" >> $LogFile

else

echo "[$OldFile]no old backup file" >> $LogFile

fi

if [ -f $NewFile ]

then

echo "[$NewFile]the backup file is exists,  can't backup!" >> $LogFile

else

read -p "input your choice: " BackupMethod

case $BackupMethod in

mysqldump)

mysqldump -u$DBUser -p$DBPasswd $DBName > $DumpFile

tar -cvzf $NewFile $DumpFile >> $LogFile 2>&1

echo "[$NewFile]backup succes" >> $LogFile

rm -rf $DumpFile

;;

mysqlhotcopy)

rm -rf $DumpFile

mkdir $DumpFile

mysqlhotcopy -u$DBUser -p$DBPasswd $DBName $DumpFile >> $LogFile 2>&1

tar -czvf $NewFile $DumpFile >> $LogFile 2>&1

echo "[$NewFile]backup succes" >> $LogFile

rm -rf $DumpFile

;;

*)

/etc/init.d/mysqld stop >/dev/null 2>&1

tar czvf $NewFile $DBPath$DBName >> $LogFile 2>&1

/etc/init.d/mysqld start > /dev/null 2>&1

echo "[$NewFile]backup succes" >> $LogFile

;;

esac

fi

echo "--------------------------------------" >> $LogFile

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