HannibalWiki

#!/bin/bash
 
#########################################
 
XENDIR=/opt/xen
XENUS="xenmail xenldap xenldns xenadm xenfw xenweb"
VOLUME=vg00
MAILTO=backup@localhost
DATE=`date +%Y%m%d`
DOMNAME=`uname -n`
BACKUPDIR=/var/${DOMNAME}backup
LOGDIR=/var/log/${DOMNAME}backup
LOGFILE=${LOGDIR}/${DOMNAME}backup.log-${DATE}
 
#########################################
 
function infoevent {
  echo "`date +%c` INFO    $1" >> ${LOGFILE}
}
 
function warnevent {
  echo " `date +%c` WARNING   $1" >> ${LOGFILE}
  echo "$1 on ${DATE}" | /usr/bin/mailx -s "$1" ${MAILTO}
}
 
cd ${XENDIR}
 
# Test and create backupdir and logdir
/usr/bin/test -d ${BACKUPDIR} || mkdir -p ${BACKUPDIR}
/usr/bin/test -d ${LOGDIR} || mkdir -p ${LOGDIR}
 
# Clean up backup directory and old logfiles
rm -f ${BACKUPDIR}/*
find ${LOGDIR} -ctime +30 -exec rm -f {} \;
 
# Backup other xen guests
for XENHOST in ${XENUS};
do
   DOMAINVOL=/dev/${VOLUME}/${XENHOST}
   SIZE=`/sbin/lvs -o lv_size --noheadings ${DOMAINVOL}`
   infoevent "Start backup ${XENHOST}..."
   /usr/sbin/xm save ${XENHOST} ${BACKUPDIR}/${XENHOST}.saved
   infoevent "${XENHOST} saved..."
   /sbin/lvcreate -L ${SIZE} -s -n ${XENHOST}snapshot ${DOMAINVOL}
   /usr/sbin/xm restore ${BACKUPDIR}/${XENHOST}.saved
   infoevent "${XENHOST} restored..."
   cat ${BACKUPDIR}/${XENHOST}.saved | gzip > ${BACKUPDIR}/${XENHOST}-saved-${DATE}.gz
   rm -f ${BACKUPDIR}/${XENHOST}.saved
   infoevent "Backup file ${XENHOST}.saved completed..."
   dd if=${DOMAINVOL}snapshot| gzip > ${BACKUPDIR}/${XENHOST}-${DATE}.dd.gz
   infoevent "Backup image snapshot ${XENHOST} completed"
   /sbin/lvremove -f ${DOMAINVOL}snapshot
   infoevent "Temporary snapshot ${XENHOST} removed"
   infoevent "Backup ${XENHOST} completed..."
done
 
# Other dirs 2 backup
tar -zcvf ${BACKUPDIR}/${DOMNAME}-etc-${DATE}.tar.gz /etc
tar -zcvf ${BACKUPDIR}/${DOMNAME}-varldap-${DATE}.tar.gz /var/ldap
tar -zcvf ${BACKUPDIR}/${DOMNAME}-optxen-${DATE}.tar.gz /opt/xen
infoevent "Backup other directories created..."
 
# Daily backup 2 tape
if mt -f /dev/st0 status | grep ONLINE
then
   infoevent "Start backup to tape..."
   tar -cvf /dev/st0 ${BACKUPDIR}/*
   infoevent "Backup to tape completed..."
else
   warnevent "Tape ${DOMNAME} NOT inserted!"
fi