Question #112940 on NSsbackup changed:
https://answers.launchpad.net/nssbackup/+question/112940
paolocollector posted a new comment:
here is the script:
basically it uses mysqldump or mysqladmin to backup mysql (full or incremental)
and two scripts to backup svn (will post them too if interested)
The script runs every day (if system is running) and performs a full backup
after "maxIncDays" days
#!/bin/bash
#
# backup script used by anacron
maxIncDays=7
lastFullDateFile="/var/backup.extra/lastFullDateFile"
today=`date +%Y%m%d`
fullBackup=true
function dayDiff (){
dateOfPast=$1
timeStampToday=`date +%s -d $today`
timeStampOfPast=`date +%s -d $dateOfPast`
secondsInDay=86400
dayDiff=`echo \($timeStampToday - $timeStampOfPast\) / $secondsInDay |
bc`
echo $dayDiff
}
#redirect stdout and stderr
logFile=/var/backup.extra/log/backup.`date +%Y-%m-%d`.log
errFile=/var/backup.extra/log/backup.`date +%Y-%m-%d`.err
exec &> $logFile
#exec 2> $errFile
echo "starting backup"|/usr/bin/wall
# if lastFullDateFile does not exist, set it to long time ago (backup will be
done)
if [ ! -f $lastFullDateFile ]
then
echo "20000101">$lastFullDateFile
fi
# get the last backup date and comare it to today
lastBackupDay=`cat $lastFullDateFile`
result=$(dayDiff $lastBackupDay )
# check result for a full or incremental backup
if [ "$result" -ge "$maxIncDays" ]
then
full=true
echo "$today">$lastFullDateFile
else
full=false
fi
# extract mySql tables
if [ "$full" == true ]
then
echo "full mySql backup begin..."
mysqldump -proot --single-transaction --flush-logs --master-data=2
--all-databases --delete-master-logs > /var/backup.extra/mysql/fullBackup.sql
echo "full mySql backup end"
else
echo "incremental mySql backup begin..."
mysqladmin -proot flush-logs
echo "incremental mySql backup end"
fi
# extract subversion repository
if [ "$full" == true ]
then
echo "full subversion backup begin..."
/opt/scripts/svnFullBackup.pl
echo "full subversion backup end"
else
echo "incremental subversion backup begin..."
/opt/scripts/svnIncBackup.pl
echo "incremental subversion backup end"
fi
if [ -x /usr/bin/nssbackupd ]
then
if [ "$full" == true ]
then
echo "full nssbackup backup begin..."
/usr/bin/nssbackupd
echo "full nssbackup backup end"
else
echo "incremental nssbackup backup begin..."
/usr/bin/nssbackupd
echo "incremental nssbackup backup end"
fi
else
echo error: /usr/sbin/sbackupd file not found
fi
echo "backup completed"|/usr/bin/wall
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