#!/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
