LINUX SHELL 自动备份数据脚本
目的：实现定时自动备份文件夹，并排除某些文件夹，写下日志，并自动清除过期的备份和日志。主要有3个文件，自动备份和清除脚本文件，需要备份的文件夹列表文件，需要排除的文件夹列表文件，都放在/root/backup文件夹下面，备份的目标文件夹为/home/backup/192.168.0.8，所以要设定排除掉/home/backup这个文件夹，否则不知道会发生什么后果。
自动备份和清除脚本文件backup_tar_gz.sh内容如下：
#author: bill
#date: 2012-03-27
####################################################
DATE=`date +"%Y%m%d%H%M%S"`
ProjectLst=/root/backup/backup_project.lst
ExcludeLst=/root/backup/backup_exclude.lst
if[ ! -f $ProjectLst ]
then
echo "$ProjectLst is not exist."
exit 1
fi
AllDir=/home/backup/192.168.0.8
mkdir $AllDir/$DATE
BakDir=$AllDir/$DATE
LogFile=$AllDir/log/$DATE.log
#备份保留天数
RetainDay=3
##################################################
echo "backup start at $(date +"%Y-%m-%d %H:%M:%S")" > $LogFile
echo "--------------------------------------------------" >> $LogFile
cd $BakDir
PROJECTLIST=`cat $ProjectLst`
#backup projectlist
for Project in $PROJECTLIST
do
ProjectData=$Project
DestDir=$BakDir$Project
#echo $DestDir
#echo $ProjectData
mkdir -p ${DestDir%/*}
tar cvzpPf $DestDir.tar.gz $ProjectData -X $ExcludeLst > /dev/null
if [ $? -eq 0 ];then
echo "backup $Project done into $DestDir.tar.gz ">>$LogFile
else
echo "backup $Project fail into $DestDir.tar.gz ">>$LogFile
fi
done
echo "--------------------------------------------------" >> $LogFile
echo "backup end at $(date +"%Y-%m-%d %H:%M:%S")" >> $LogFile
echo " " >> $LogFile
#############################################################
#delete old backup file
echo "delete old backup start at $(date +"%Y-%m-%d %H:%M:%S")" >> $LogFile
echo "--------------------------------------------------" >> $LogFile
ExistBakDir=`ls $AllDir`
for BakDir in $ExistBakDir
do
DirDate=`echo $BakDir | awk '{print substr($1,1,8)}'`
#echo $DirDate
if [ `echo $DirDate | grep '\{4\}\{2\}\{2\}'` ] && [ $DirDate -le $(date --date="$RetainDay days ago" +"%Y%m%d") ]
then
rm -rf $AllDir/$BakDir > /dev/null
echo "[$AllDir/$BakDir],Delete Old File Success!" >> $LogFile
fi
done
echo "--------------------------------------------------" >> $LogFile
echo "delete old backup end at $(date +"%Y-%m-%d %H:%M:%S")" >> $LogFile
echo " " >> $LogFile
#################################################################
#delete old logfile
echo "delete old log file start at $(date +"%Y-%m-%d %H:%M:%S")" >> $LogFile
echo "--------------------------------------------------" >> $LogFile
cd ${AllDir}/log
ExistLogFile=`ls ${AllDir}/log`
for EachLogFile in $ExistLogFile
do
FileDate=`echo $EachLogFile | awk '{print substr($1,1,8)}'`
#echo $FileDate
if [ `echo $FileDate | grep '\{4\}\{2\}\{2\}'` ] && [ $FileDate -le $(date --date="$RetainDay days ago" +"%Y%m%d") ]
then
rm -rf $AllDir/log/$EachLogFile > /dev/null
echo "[$AllDir/log/$EachLogFile],Delete Old Log File Success!" >> $LogFile
fi
done
echo "--------------------------------------------------" >> $LogFile
echo "delete old log file end at $(date +"%Y-%m-%d %H:%M:%S")" >> $LogFile
echo " " >> $LogFile
exit 0
需要备份的文件夹列表文件backup_project.lst内容如下：
/bin
/boot
/etc
/home
/lib
/lib64
/opt
/root
/sbin
/usr
/var
需要排除的文件夹列表文件backup_exclude.lst
内容如下：
/home/backup
定时任务设置如下：
0 21 * * * /root/bakcup/backup_tar_gz.sh
页:
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