#!/bin/bash
#This is a ShellScript For Auto DB Backup
#Powered by aspbiz
#2004-09
#Setting
#設置數據庫名，數據庫登錄名，密碼，備份路徑，日誌路徑，數據文件位置，以及備份方式
#默認情況下備份方式是tar，還可以是mysqldump,mysqldotcopy
#默認情況下，用root(空)登錄mysql數據庫，備份至/root/dbxxxxx.tgz
DBName=mysql
DBUser=root
DBPasswd=
BackupPath=/root/
LogFile=/root/db.log
DBPath=/var/lib/mysql/
#BackupMethod=mysqldump
#BackupMethod=mysqlhotcopy
#BackupMethod=tar
#Setting End
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
#Delete Old File
if [ -f $OldFile ]
then
rm -f $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 czvf $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 czvf $NewFile $DumpFile >;>; $LogFile 2>;&1
echo "[$NewFile]Backup Success!" >;>; $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 Success!" >;>; $LogFile
;;
esac
fi
echo "-------------------------------------------" >;>; $LogFile
