#!/usr/bin/env bash
#
# Route discovery primer for AWS
#
if [[ ${#} != 1 ]]; then
  echo "Usage: ${0} SSH_SERVER"
  exit 1
fi

export AWS_PROFILE=$(echo ${1} | awk -F"." '{print $2}')

VPC_URL='http://169.254.169.254/latest/meta-data/network/interfaces/macs/$(/sbin/ip link show dev eth0 | grep link/ether | awk '"'"'{print $2}'"'"')/vpc-id'
VPC_ID=$(ssh ${1} curl -s \"${VPC_URL}\")
if [[ ${?} -eq 0 && -n "${VPC_ID}" ]]; then
  FILTER_PARAMS="--filters Name=vpc-id,Values=${VPC_ID}"
fi

aws ec2 describe-subnets ${FILTER_PARAMS} | grep CidrBlock\":\ \"10 | awk -F"\"" '{print "ROUTE:"$4}' | sort | uniq