#!/usr/bin/env bash

OS_DISTRO="$1"

if [ -z "${OS_DISTRO}" ];then
	OS_DISTRO="generic"
fi

INSTANCE_ID="$( uuidgen |cut  -d '-' -f 1 )"
HOSTNAME="${OS_DISTRO}-${INSTANCE_ID}"

cat meta-data | ruby replace.rb "##INSTANCE_ID##" "${INSTANCE_ID}" | ruby replace.rb "##HOSTNAME##" "${HOSTNAME}" > meta-data.in && \
	cp -vf meta-data.in meta-data