check for not-yet-declared public addresses

diff --git a/lbuild-initvm.sh b/lbuild-initvm.sh
index 317d694..a8fa5ee 100755 (executable)
--- a/lbuild-initvm.sh
+++ b/lbuild-initvm.sh
@@ -1098,6 +1098,7 @@ function main () {
         NETMASK=$(masklen_to_netmask $MASKLEN)
         GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
         VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
+        [[ -z "$GUEST_IP" ]] && { echo "could not resolve $GUEST_HOSTNAME - exiting" ; exit 1 ; }
     fi
 
     setup_lxc $lxc $fcdistro $pldistro $personality