分享一个多功能SVN备份脚本

这个脚本个人觉得比较完美了，SVN完全备份，加增量备份，并将备份出来的数据，同步到另外一台服务器上，而且可以实现实时备份并发邮件通知，历史备份记录想查就查。

这个脚本参考了部分网上的资源。

稍作修改就可以应用到你的实际生产环境了，有问题的话，可以联系我(*^__^*) ……

具体脚本内容如下：

#!/bin/sh
#by 崔元荣
#QQ：295749093
#svn多功能备份脚本！
svnbak_remote_dir=/data/192.168.1.7_svn/

###################################
BACKUPDIR=/var/svnbackup

###################################
SVNDIR=/var/svn

###################################
ProjectLst=$BACKUPDIR/projectlist.txt

###################################
LogFile=$BACKUPDIR/svnback.log
History_LogFile=$BACKUPDIR/history_svnback.log
DATE=`date +%Y%m%d-%T`

# - This is the path to the directory you want to archive
###################################
export PATH=$PATH:/bin:/usr/bin:/usr/local/bin

# our actual rsyncing function
do_accounting()
{
    echo " " > $LogFile
        echo " " >> $LogFile
        echo " " >> $LogFile
        echo "###########################" >> $LogFile
        echo "$DATE" >> $LogFile
        echo "###########################" >> $LogFile

        echo " " >> $History_LogFile
        echo " " >> $History_LogFile
        echo "###########################" >> $History_LogFile
        echo "$DATE" >> $History_LogFile
        echo "###########################" >> $History_LogFile

        cd $BackDir
}

do_svndump()
{
   PROJECTLIST=`cat $ProjectLst`
   cd $SVNDIR
   for project in $PROJECTLIST
          do
          echo "begin to dump $project databases" >> $LogFile
          echo "begin to dump $project databases" >> $History_LogFile
                if [ ! -f $BACKUPDIR/$project.dump ]
                then
                YOUNGEST=`svnlook youngest $project`
                svnadmin dump $project > $BACKUPDIR/$project.dump
                  if [ $? != 0 ];then
                echo "full-backup faild" >> $LogFile
                echo "full-backup faild" >> $History_LogFile
                    else
                        echo "OK,dump file successfully!!" >> $LogFile
                        echo "OK,dump file successfully!!" >> $History_LogFile
                      fi
                echo "$YOUNGEST" > $BACKUPDIR/$project.youngest
                else
                        echo "$project.dump existed,will do increatment job" >> $LogFile
                        echo "$project.dump existed,will do increatment job" >> $History_LogFile
                        if [ ! -f $BACKUPDIR/$project.youngest ]
                        then
                        echo "error, no youngest check!" >> $LogFile
                        echo "error, no youngest check!" >> $History_LogFile
                        else
                                PREVYOUNGEST=`cat $BACKUPDIR/$project.youngest`
                                NEWYOUNGEST=`svnlook youngest $project`
                                if [ $PREVYOUNGEST -eq $NEWYOUNGEST ]
                                then
                                        echo " no database updated!" >> $LogFile
                                        echo " no database updated!" >> $History_LogFile
                                else
                                        LASTYOUNGEST=`expr $PREVYOUNGEST + 1`
                                        echo "last youngest is $LASTYOUNGEST" >> $LogFile
                                        echo "last youngest is $LASTYOUNGEST" >> $History_LogFile
                                        svnadmin dump $project --revision $LASTYOUNGEST:$NEWYOUNGEST --incremental > $BACKUPDIR/$project-$LASTYOUNGET-$NEWYOUNGEST.$DATE
                                          if [ $? != 0 ];then
                                             echo "zhengliang-backup faild" >> $LogFile
                                             echo "zhengliang-backup faild" >> $History_LogFile
                                               else
                                                    echo "$NEWYOUNGEST" > $BACKUPDIR/$project.youngest
                                                    echo "zhengliang-backup sucess!" >> $LogFile
                                                    echo "zhengliang-backup sucess!" >> $History_LogFile
                                                   fi
                                fi
                        fi
  fi
        done
}


do_rsync()
{
rsync -avz --partial --progress --delete $BACKUPDIR/* [email protected]:$svnbak_remote_dir
if [ $? != 0 ]; then
    echo "svnbak 192.168.1.7 rsync to 192.168.1.6 faild!!!" >> $LogFile
    echo "svnbak 192.168.1.7 rsync to 192.168.1.6 faild!!!" >> $History_LogFile
else
    echo "svnbak 192.168.1.7 rsync to 192.168.1.6 successfully!!" >> $LogFile
    echo "svnbak 192.168.1.7 rsync to 192.168.1.6 successfully!!" >> $History_LogFile
fi
}

do_empty()
{
#echo "" > $LogFile
for project in `cat $ProjectLst`
do
    rm -f $BACKUPDIR/$project*
done
}

do_mail()
{
cat $LogFile | mutt -s "SVN Backup status!" [email protected]
}
#################################################

case "$1" in
    dump_full)
        do_empty && do_accounting && do_svndump && do_rsync && do_mail
        ;;
    dump_incremental)
        do_accounting && do_svndump && do_rsync && do_mail
        ;;
    *)
        echo $"Usage: $0 {dump_full|dump_incremental}"
        exit 2
esac