amelioration script vmbackup

vmbackup.sh

@@ -3,21 +3,26 @@
 set -e
 set -u
 
-statusfile=/var/run/zabbix/vmbackup.status
-outputdir=/mnt/backups/vms
+statusfile=/home/cig/vmbackup.status
+basedir=/mnt/backups/vms
 
 _exit () {
-	echo $1 > $outputdir
+	echo $1 > $statusfile
 	exit $1
 }
 
-if [ ! -d $outputdir ] ; then
-	echo outputdir not mounted
+_mail () {
+	echo "$@" | mail -s "$(hostname -f) : vm backup error" root
+}
+
+mount /mnt/backups &> /dev/null
+
+if [ ! -d $basedir ] ; then
+	_mail Dir $basedir not mounted
 	_exit 41
 fi
 
-outputdir=${outputdir}/$(date -I)
-mkdir -p ${outputdir}
+outputdir=${basedir}/$(date -I)
 
 if [ $# -ne 1 ] ; then                                                          
 	echo "Usage: $O vm"                                                          
@@ -31,13 +36,23 @@ function checkRunning {
 	return $?
 }
 
-machine=$1                                                                      
-if ( checkRunning $machine ) ; then                    
+machine=$1
+if ( checkRunning $machine ) ; then
+	mkdir -p ${outputdir}
+	cp -ar ${basedir}/current/. --target-directory=${outputdir}
+	mv ${basedir}/current ${basedir}/old
+	ln -s ${outputdir} ${basedir}/current
+	test $? -eq 0 || { _mail "erreur de copie" ; _exit 44 ; }
 	vboxmanage controlvm $machine acpipowerbutton shutdown
 	sleep 60
 	rsync --inplace -a /srv/VM/Win/roofline ${outputdir}/
 	ret=$?
+	test $ret -eq 0 || _mail "rsync error $ret"
 	vboxmanage startvm $machine
+	ln -s ${outputdir} ${basedir}/current
+	test $ret -eq 0 && find ${basedir} -maxdepth 1 -type d -mtime +7 -exec echo rm -fr {} \;
+	umount /mnt/backups &> /dev/null
 	_exit $ret
 fi 
+_mail "vm $machine not running"
 _exit 43