#!/bin/bash
#This is a ShellScript. For Auto DB Backup
#Powered by alex@wg927.com
#2014/2/25
#Setting
#设置数据库名,数据库登录名,密码,备份路径,日志路径,数据文件位置,以及备份方式
#默认情况下备份方式是tar,还可以是mysqldump,mysqldotcopy
#默认情况下,用root(空)登录mysql数据库,备份至/root/dbxxxxx.tgz
DBName=(mysql wm_ztcj)
#DBUser=root
#DBPasswd=‘xxx‘
BackupPath=/data/backup/
LogFile=/data/backup/backup.log
#DBPath=/data/mysqldata/
BackupMethod=mysqldump
#BackupMethod=mysqlhotcopy
#BackupMethod=tar
#Setting End
NewFile="$BackupPath"db$(date +%y%m%d).tar.gz
DumpFile="$BackupPath"db$(date +%y%m%d)
OldFile="$BackupPath"db$(date +%y%m%d --date=‘5 days ago‘).tar.gz
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
# /usr/local/mysql/bin/mysqldump -u $DBUser --opt --all-databases > $DumpFile
# else
/usr/local/mysql/bin/mysqldump -uroot -h127.0.0.1 --single-transaction --default-character-set=utf8 -R -E --hex-blob --all-databases --master-data=1 --opt > $DumpFile
# /usr/local/mysql/bin/mysqldump -u $DBUser -p$DBPasswd --default-character-set=utf8 --triggers -R -E --hex-blob wm_ztcj --master-data=1 --opt > $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
echo $(date "+%F %T") >> $LogFile
MySQL 定期备份脚本