- local lxc=$1; shift
-
- local mac=$(virsh -c lxc:/// domiflist $lxc | egrep 'network|bridge' | awk '{print $5;}')
- # sanity check
- [ -z "$mac" ] && return 0
- arp -en | grep "$mac" | awk '{print $1;}'
+ lxc=$1; shift
+
+ mac=$(virsh -c lxc:/// domiflist $lxc | grep -E 'network|bridge' | awk '{print $5;}')
+ [ -z "$mac" ] && { echo 1>&2 guest_ipv4_old cannot find mac; return 1; }
+ ip=$(arp -en | grep "$mac" | awk '{print $1;}')
+ # if not known: run a ping and try again
+ if [ -z $ip ]; then
+ ping -c1 -w1 -W1 $lxc >& /dev/null
+ ping -c1 -w1 -W1 $lxc.pl.sophia.inria.fr >& /dev/null
+ ip=$(arp -en | grep "$mac" | awk '{print $1;}')
+ fi
+ [ -z "$ip" ] && { echo 1>&2 guest_ipv4_old cannot find ip; return 1; }
+ echo $ip