get_ip.sh

#!/bin/bash

# Helper program to get a domain ip into terraform
# Tested on amzlinux2 OS, macosx
# marc@kusw3.com

if [[ $# -ne 1 ]]; then
    echo "ERROR: expected 1 argument as domain name"
    exit 1;
fi

IP=$(dig +short $1 | tail -1)

if [[ "$IP" == "" ]]; then
    echo "ERROR: domain name not found"
    exit 2;
fi

echo "{ \"ip\": \"$IP/32\" }"

exit 0