#!/usr/bin/env bash 

set -eu

set -x

synopsis() {
	cat << EOF
Usage : `basename $0` [-h] system 
EOF
}

help() {
	cat << EOF

`basename $0` system : vdn-shalt suivi de vdn-start.

`synopsis`
EOF
}

usage() {
	synopsis
	exit 1
}

args() {
	local opt
	while getopts "gh" opt; do
		case $opt in
			h) help; exit 0;;
			g) ;;
			?) usage;;
		esac
	done
	shift $(($OPTIND - 1))
	[ $# -ne 1 ] && usage

	GUEST_NAME="$1"
}


# Programme principal

GUEST_OWNER=$USER
VDN_PATH=$(readlink -f $(dirname $0)/..); . $VDN_PATH/bin/functions.sh

args "$@"

if vdn-alive $GUEST_NAME; then
	vdn-halt $GUEST_NAME || error "can't halt $GUEST_NAME"
	sleep 2
fi

echo "vdn-restart start : $@"
vdn-start $@