Consul 0.4.x startup WAN reconnect script

consul.wan.join.sh

#!/bin/bash

. /etc/environment

PUBLIC_IPV4=`cat /etc/network/interfaces | grep -A 2 'iface eth0' | head -n +2 | tail -n 1 | awk '{print $2}'`
PRIVATE_IPV4=`cat /etc/network/interfaces | grep -A 2 'iface eth1' | head -n +2 | tail -n 1 | awk '{print $2}'`
SERVERS=(DATACENTER1 DATACENTER2 DATACENTER3)

for SERVER in "${SERVERS[@]}"; do
   curl http://${PRIVATE_IPV4}:8500/v1/agent/join/${SERVER}.mysupercompany.com:8302?wan=1
done