#!/usr/bin/env bash 

set -eu

DESC="Conguration IPv6 de base du réseau"


SYSTEMS="bigboss lambda nomade societe tiny web"

setIpv6() {
	echo "$@"
	host=$1
	eth=$2

	addr=$(vdn-ssh root@$host "ifconfig $eth" | grep 'inet6:.*fe80:' | head -n 1 | tr -s ' ' | cut -d ' ' -f 4)

	[ -z "$addr" ] && return || :

	case "$3" in
		site) new=$(echo "$addr" | sed -re 's/^fe80:/fec0:/');;
		global) new=$(echo "$addr" | sed -re 's/^fe80:/2002:/');;
	esac

	exist=false
	if vdn-ssh root@$host "ifconfig $eth" | grep -q "inet6:.*$new"; then
		exist=true
	fi

	if [ $exist = false ]; then
		echo "$host : ifconfig $eth inet6 add $new"
		vdn-ssh root@$host "
		ifconfig $eth inet6 add $new/64
		"
	fi

}

run() {
	setErrorHandler
	echoStart

	requireSshGuests $SYSTEMS
	waitSsh $SYSTEMS

	for i in $SYSTEMS; do
		setIpv6WorkAround $i
	done

	setIpv6 tiny eth1 site
	setIpv6 bigboss eth0 site
	setIpv6 web eth0 site
	setIpv6 societe eth1 site
	setIpv6 societe eth2 site
	setIpv6 societe eth0 global
	setIpv6 nomade eth0 global
	setIpv6 lambda eth0 global

	unsetErrorHandler
	echoDone
}