mysql数据库备份脚本,mysql数据库备份

mysql数据库备份脚本,mysql数据库备份

#!/bin/bash

DBName=myql

DBUser=root

DBPasswd=123456

BackupPath=/root/

LogFile=/root/db.log

DBPath=/var/lib/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 Success!" >> $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

case $BackupMethod in

mysqldump)

if [ -z $DBPasswd ]

then

mysqldump -u $DBUser --opt $DBName >$DumpFile

else

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

fi

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

echo "[$NewFile]Backup Success!" >> $LogFile

rm -rf $DumpFile

;;

mysqlhotcopy)

rm -rf $DumpFile

mkdir $DumpFile

if [ -z $DBPasswd]

then

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

else

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

fi

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

echo "[$NewFile]Backup Success!" >> $LogFile

rm -rf $DumpFile

;;

*)

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

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

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

echo "[$NewFile]Backup Success!" >> $LogFile

;;

esac

fi

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