#!/bin/bash

function mac_to_iface {
    MAC=$1
    ifconfig|grep $MAC| awk '{print $1}'|grep -v '\.'
}

iptables -L > /dev/null
ip6tables -L > /dev/null

VCPE=vcpe-{{ vlan_ids[0] }}

docker inspect $VCPE > /dev/null 2>&1
if [ "$?" == 1 ]
then
    docker pull andybavier/docker-vcpe
    docker run -d --name=$VCPE --privileged=true --net=none -v /etc/$VCPE/dnsmasq.d:/etc/dnsmasq.d andybavier/docker-vcpe
else
    docker start $VCPE
fi

# Set up networking via pipework
WAN_IFACE=$( mac_to_iface {{ wan_mac }} )
docker exec $VCPE ifconfig eth0 >> /dev/null || pipework $WAN_IFACE -i eth0 $VCPE {{ wan_ip }}/24@{{ wan_next_hop }} {{ wan_container_mac }}

LAN_IFACE=$( mac_to_iface {{ lan_mac }} )
docker exec $VCPE ifconfig eth1 >> /dev/null || pipework $LAN_IFACE -i eth1 $VCPE 192.168.0.1/24 @{{ vlan_ids[0] }}

HPC_IFACE=$( mac_to_iface {{ hpc_client_mac }} )
docker exec $VCPE ifconfig eth2 >> /dev/null || pipework $HPC_IFACE -i eth2 $VCPE {{ hpc_client_ip }}/24

# Make sure VM's eth0 (hpc_client) has no IP address
ifconfig $HPC_IFACE 0.0.0.0

# Now can start up dnsmasq
docker exec $VCPE service dnsmasq start

# Attach to container
docker start -a $VCPE