#!/bin/sh
# Makes a compressed image of a vps guest system installed on this host.
# Gustavo Maluf. July, 2007. Distribute under GPL license terms.
#
#

CONFDIR=/etc/vservers
VDIR=/var/lib/vservers
# The path begins with /, don't change this behavior!
APTARCHIVES=/var/cache/apt/archives

if [ $# -lt 1 ] || [ "$1" == "--help" ]; then
	echo \
	"Makes a compressed image of a vps guest system installed on this host.
	Usage:
		$0 <vps_name> [destination_path]
	
		Available vps are:
	"	
	# this feature may be implemented with another script lsdirs
	for i in `ls -l ${CONFDIR} | awk '($1 ~ /^d/) {print $8}'`; do echo "		$i"; done
	echo
	exit 0
fi

NAME="$1"
if [ $# -eq 1 ]; then DEST=${PWD}; else DEST=${2}; fi

CONFNAME=${NAME}_conf.tar.gz
IMGNAME=${NAME}_img.tar.gz

# Binaries
VSERVER=/usr/sbin/vserver
AWK=/usr/bin/awk
TAR=/bin/tar
FIND=/usr/bin/find

if [ ! -d ${CONFDIR}/$NAME ]; then
	echo "Configuration files for vps $NAME not found"
	exit 1
fi


# Past all verifications, let's change the names

set -e

echo "Making compressed image of vps $NAME in $DEST, please wait..."

$TAR cPzf ${DEST}/$CONFNAME ${CONFDIR}/$NAME
$FIND ${VDIR}/${NAME}${APTARCHIVES} -name "*.deb" > /tmp/excludelist
$TAR cPzf ${DEST}/$IMGNAME -X /tmp/excludelist ${VDIR}/$NAME/

echo "Two files generated: $CONFNAME, $IMGNAME
"