#!/bin/sh

# script result
sresult=0

# set io priority of this process to minimum (idle)
ionice -c3 -p$$

# limit io bandwidth to 10 Mbit
lcat="/root/bin/cstream -t -10485760"

echo == mount backup target share ==
mount -t cifs -o user=$smbu $smbs $tdir
rval=$?

if [ "$rval" -eq 0 ] 
then
    echo == rotate backup file $trawdata ==
    trawdata=`/root/backup/rotate.sh $trawdata $bckpcnt`
    rval=$?
    if [ "$rval" -eq 0 ] 
    then
        echo == new backup filename $trawdata ==
        echo == rotate xml metadata file $xmlf ==
        xmlf=`/root/backup/rotate.sh $xmlf $bckpcnt`
        rval=$?
        if [ "$rval" -eq 0 ]
        then
            echo == new xml filename $xmlf ==
	    echo == create lvm snapshot ==
	    /sbin/lvcreate --size 10G --snapshot --name $lvsnap $vgname/$lvb
	    rval=$?

	    if [ "$rval" -eq 0 ]
	    then
		echo == mount snapshot to temp directory ==
		mount -o ro $vgname/$lvsnap $tmpmnt
		rval=$?

		if [ "$rval" -eq 0 ]
		then
		    echo == copy and compress image of virtual host ==
		    $lcat $srawdata |gzip -c > $trawdata
		    rval=$?

		    if [ "$rval" -ne 0 ]
		    then
			echo -- error on copy and compress image of virtual host -- >&2
			sresult=1
		    fi

		else
		    echo -- error on mount snapshot to temp directory -- >&2
		    sresult=1
		fi

		echo == unmount temp directory ==
		umount $tmpmnt
		rval=$?

		if [ "$rval" -ne 0 ]
		then
		    echo -- error on unmount temp directory -- >&2
		    sresult=1
		fi

	    else
		echo -- error on create lvm snapshot -- >&2
		sresult=1
	    fi

	    echo == remove lvm snapshot ==
	    /sbin/lvremove -f $vgname/$lvsnap
	    rval=$?

	    if [ "$rval" -ne 0 ]
	    then
		echo -- error on remove lvm snapshot -- >&2
		sresult=1
	    fi

	    echo == dump virtual host metadata to xmlfile ==
	    virsh dumpxml $vhost > $xmlf
	    rval=$?
	   
	    if [ "$rval" -ne 0 ]
	    then
		echo -- error on dump virtual host metadata to xmlfile -- >&2
		sresult=1
            fi
        else
            sresult=1
        fi  
    else
        sresult=1
    fi

else
  echo -- error on mount backup target share -- >&2
  sresult=1
fi

echo == umount backup target share ==
umount $tdir
rval=$?

if [ "$rval" -ne 0 ]
then
  echo -- error on umount backup target share -- >&2
  sresult=1
fi

exit $sresult

#!/bin/sh

# virtual host name
export vhost=elastix

log=/root/backup/log/back-$vhost-`date +%Y-%m-%d-%H-%M-%S`.log

# backup source file
export srawdata=/mnt_bckp/snap/Elastix162.vmdk

# lvm group name
export vgname=/dev/test-bo-rootfs

# lvm volume name for backup
export lvb=vmimages

# temp lvm volume (snapshot)
export lvsnap=snap

# temp mount point for mount snapshot
export tmpmnt=/mnt_bckp/snap

# samba user
export smbu=win_domen\\username,password=userpassword

# samba server
export smbs=//192.168.x.xxx/virtbackup

# backup target dir
export tdir=/mnt_bckp/ttt

# backup target file
export trawdata=$tdir/$vhost/$vhost.vmdk.gz

# host metadata xmlfile
export xmlf=$tdir/$vhost/$vhost.xml

# count of file to store 
export bckpcnt=4

/root/backup/back-fs.sh >$log 2>&1

rval=$?
if [ "$rval" -ne 0 ]; then
cat $log|mail -s "error on $vhost backup" root
fi