#!/usr/bin/env bash 

set -eu

VAR=""

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

help() {
	cat << EOF

`basename $0` restaure l'état de l'interface suppémentaire utilisée pour
joindre la machine virtuelle (précisée en argument).

Exemple : `basename $0` bigboss

`synopsis`

-h	: affiche cette aide

EOF
}

usage() {
	synopsis
	exit 1
}

args() {
	local opt
	while getopts "h" opt; do
		case $opt in
			h) help; exit 0;;
			?) usage;;
		esac
	done
	shift $(($OPTIND - 1))

	[ $# -ne 1 ] && usage

	GUEST_NAME="$1"
}


# Programme principal

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

args "$@"

setGuestVars $GUEST_NAME

GUEST_OWNER=$USER

loadGuestVars $GUEST_NAME

vdn-infos $GUEST_NAME GUEST_NAME > /dev/null || exit 1

if ! $VDN_PATH/bin/vdn-alive $GUEST_NAME; then
	error "Le système $GUEST_NAME n'est pas démarré !"
fi


[ ! -e $TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial ] && \
	error "$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial not found !"

echo "ok"


CMD="
stty -echo
PS1=
ls /tmp
iptables -F 
iptables -F -t nat
iptables -L 
iptables -L -t nat
eth=\$(ip a | egrep '^[0-9]+:' | sed -re 's/^.*(eth[0-9]+).*$/\1/' | tail -n 1)
echo eth=\$eth
ip a flush \$eth
dhclient \$eth
ip a show dev \$eth
ip a show dev \$eth | grep -q 10.0.2.15 && echo ok || echo ERROR
"

#echo socat STDIO UNIX-CLIENT:$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial
(echo "$CMD"; sleep 1) | socat STDIO UNIX-CLIENT:$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial
echo
#echo "$CMD" | socat STDIO UNIX-CLIENT:$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial
#socat STDIO UNIX-CLIENT:$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial

#cat << EOF | socat STDIO UNIX-CLIENT:$TMPDIR/vdn-$GUEST_NAME-$GUEST_OWNER-serial
#ip a | egrep '^[0-9]+:' | sed -re 's/^.*(eth[0-9]+).*$/\1/' | tail -n 1" 
#EOF