fixes for new container manager

Author: erwinkramer

garden/tasks/configuredocker.sh

@@ -36,6 +36,7 @@ while [ $currentAttempt -lt $totalAttempts ]; do
 			for port in ${ports[$protocol]}; do
 				echo "setting $protocol port '$port' for docker"
 				iptables -t nat -A PREROUTING -p $protocol --dport $port -m addrtype --dst-type LOCAL -j DOCKER
+				iptables -t nat -A OUTPUT -p $protocol --dport $port -m addrtype --dst-type LOCAL -j DOCKER
 			done
 		done
 

garden/tasks/filesystem.sh

@@ -141,7 +141,9 @@ groupid=$(synogroup --get $groupnamedocker | awk -F "[][{}]" '/Group ID/ { print
 videodrivergroupid=$(id -g videodriver)
 
 hostip=$(ip route get 1 | awk '{print $NF;exit}')
-hostrange=$(ip -o -f inet addr show eth0 | awk '{print $4}' | sed 's/\.[0-9]\+\//.0\//')
+
+default_interface=$(ip route | awk '/default/ {print $5}' | head -n1)
+hostrange=$(ip -o -f inet addr show "$default_interface" | awk '{print $4}' | sed 's/\.[0-9]\+\//.0\//')
 
 timezone=$(readlink /etc/localtime | sed 's|.*/zoneinfo/||')