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分类： linux
2015-12-30 12:00:23
脚本：
脚本开始部分，配置svn库目录，备份目录和日志目录，请修改为自己的目录。
设置定期启动任务，采用ubuntu自带的crontab
crontab -e
0 2 * * * * bash /home/xxx/bin/svn_daily_bak.sh
点击(此处)折叠或打开
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# file_name : svn_daily_bak.sh
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#
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# description: this script is write to backup svn every day
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#
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# author : khls27
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#
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# date : 2015-12-30
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#path=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
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#export path
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svn_path=/svn/repository
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svn_bak_path=/opt/data/svnbackup/svndumps
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bak_config=/opt/data/svnbackup/config.inf
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# log file, ring buf. svnbackup2 is current log file and svnbackup1 is the history log file
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log_file_r1=/opt/data/svnbackup/svnbackup1.log
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log_file_r2=/opt/data/svnbackup/svnbackup2.log
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function print_log()
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{
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if [ ! -f $log_file_r2 ] ;then
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touch $log_file_r2
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fi
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size=$(ls -l $log_file_r2 | awk '{ print $5 }')
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if [ $size -gt 20480 ] ;then
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mv $log_file_r2 $log_file_r1
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echo "" > $$log_file_r2
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fi
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echo "[$(date %y%m%d%h%m)] $1" >> $$log_file_r2
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}
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function do_full_backup()
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{
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bakdir="$svn_bak_path/$(date %y%m%d)-full"
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mkdir -p $bakdir
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newest_rev=$(svnlook youngest $svn_path)
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print_log "start to do a full svn backup"
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svnadmin dump $svn_path | bzip2 | tee $bakdir/fulldump$(date %y%m%d).bz2 | md5sum > $bakdir/fulldump$(date %y%m%d).md5
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print_log "full svn backup done !"
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if [ -f $bak_config ] ;then
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sed -i "s/^last_backed_rev.*/last_backed_rev=$newest_rev/g" $bak_config
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else
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echo "last_backed_rev=$newest_rev" > $bak_config
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fi
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}
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function do_incremental_backup()
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{
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last_rev=0
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newest_rev=$(svnlook youngest $svn_path)
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if [ -f $bak_config ] ;then
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last_rev=$(grep "last_backed_rev" $bak_config | awk -f '=' '{print $2}')
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if [ $last_rev -eq $newest_rev ] ;then
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print_log "last backuped reversion is equal to newest"
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fi
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fi
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bakdir="$svn_bak_path/$(date %y%m%d)-r$last_rev-r$newest_rev"
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mkdir -p $bakdir
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print_log "start to do a incremental svn backup from $last_rev to $newest_rev"
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svnadmin dump $svn_path -r $last_rev:$newest_rev --incremental | bzip2 | tee $bakdir/incdump$(date %y%m%d).bz2 | md5sum > $bakdir/incdump$(date %y%m%d).md5
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print_log "incremental svn backup from $last_rev to $newest_rev done!"
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print_log "try update last_backed_rev to $newest_rev"
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if [ -f $bak_config ] ;then
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sed -i "s/^last_backed_rev.*/last_backed_rev=$newest_rev/g" $bak_config
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else
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echo "last_backed_rev=$newest_rev" > $bak_config
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fi
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}
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# main start
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week=$(date | awk '{print $1}')
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# only do full backup on sat.
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if [ $week == "sat" ] ;then
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do_full_backup
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else
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do_incremental_backup
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fi
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# delete 30-days-ago svndump backup
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folder=`ls -ltr $svn_bak_path | grep -v total | awk {'print $9'}`
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declare -i linenum=`ls -ltr $svn_bak_path | grep -v total | wc -l`
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declare -i c=$linenum-30
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declare -i count=0
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if [ "$c" -gt "0" ]
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then
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for file in $folder
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do
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count=count1
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if [ "$count" -le "$c" ]
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then
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print_log "$file, 30 days before, will be deleted now!"
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rm -rf $svn_bak_path/$file
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fi
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done
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fi
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# upload svndump file to ftp server, redundancy backup
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print_log "start to upload newest backup file to ftp server"
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lftp -u ftpuser,private 192.168.26.74 -e "mirror -r --only-newer $svn_bak_path svn-bk ; quit"
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print_log "newest backup file upload to ftp server done!"
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print_log "all backup done!"
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print_log ""
- exit 0
设置定期启动任务，采用ubuntu自带的crontab
crontab -e
0 2 * * * * bash /home/xxx/bin/svn_daily_bak.sh
给主人留下些什么吧！~~