#!/bin/bash
 
#Copyright (C) 2010 Mercier Benjamin
#This program is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 2 of the License, or
#(at your option) any later version.
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License along
#with this program; if not, write to the Free Software Foundation, Inc.,
#51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
SOURCE=/vmfs/volumes/ISCSI-datastore
DESTINATION=/vmfs/volumes/ISCSI-datastore/backups
DATE=`date "+%F"`
SERVEUR=`hostname`
 
echo ""
echo "Script de backup des VM a chaud"
echo "Par Benjamin Mercier <bmercier@teclib.com>"
echo "Celui-ci fait une copie à chaud dans un dossier des VMs"
echo "Serveur : $SERVEUR"
echo "Datastore : $SOURCE"
echo "Datastore de backup : $DESTINATION"
echo
 
echo "Serveur ESX primaire. Suppression des VMs du répertoire de déstination" > /tmp/backup-vm.log
rm -Rfv $DESTINATION/* 2>&1 >> /tmp/backup-vm.log
echo "Suppression terminée" >> /tmp/backup-vm.log
echo "" >> /tmp/backup-vm.log
 
for MACHINE in $(ls $SOURCE)
do
        if [[ "$MACHINE" =~ 'srv-' ]]; then
                echo  -n "Backup de la machine $MACHINE "
                TEST_REGISTERED=$(vmware-cmd -l | grep $MACHINE | wc -l)
                if [ -e $SOURCE/$MACHINE/$MACHINE.vmx ] && [[ $TEST_REGISTERED -eq 1 ]]; then
                        echo "" >> /tmp/backup-vm.log
                        echo "Machine virtuelle : $MACHINE" >> /tmp/backup-vm.log
 
                        echo -n '. '
                        vmware-cmd $SOURCE/$MACHINE/$MACHINE.vmx createsnapshot "BackupScript" "Snapshot de backup." 1 1 2>&1 >> /tmp/backup-vm.log
                        echo -n '. '
 
                        echo -n '. '
                        tar czvf $DESTINATION/$MACHINE.tar.gz $SOURCE/$MACHINE --exclude '*.vswap*' --exclude '*.vmsn*' 2>&1 >> /tmp/backup-vm.log
                        echo -n '. '
 
                        echo -n '. '
                        vmware-cmd $SOURCE/$MACHINE/$MACHINE.vmx removesnapshots 2>&1 >> /tmp/backup-vm.log
                        echo -n '. '
 
                        echo '. [terminé]'
                else
                        echo '. [ESX non propriétaire de cette VM]'
                fi
        fi
done

vim /etc/crontab
 
# Rendez executable le script :
chmod +x /opt/backup-vm.sh
 
# Ajouter à la fin :
01 4 * * 2 root /opt/backup-vm.sh 2>1 > /dev/null
 
# Redémarrez Cron
/etc/init.d/cron restart