#!/bin/bash

set -ex

function echo_red {
  echo -e "\033[0;31m$1\033[0m"
}

function error_handler () {
	set +ex
	echo_red "An error occured while bootstrapping CoreOS."
	while true; do sleep 1; done
	exit 1
}
trap error_handler ERR

# create coreos cloud-config
PUBLIC_IP=$(/sbin/ip -4 -o addr show dev eth0 | awk '{ print $4; }')
PRIVATE_IP=$(/sbin/ip -4 -o addr show dev eth1 | awk '{ print $4; }')
GATEWAY=$(/sbin/ip route | awk '/default/ { print $3 }')
SSH_KEY="$(cat /root/.ssh/authorized_keys | head -n1)"
sed "s,HOSTNAME,$HOSTNAME,;s,PUBLIC_IP,$PUBLIC_IP,;s,PRIVATE_IP,$PRIVATE_IP,;s,GATEWAY,$GATEWAY,;s,SSH_KEY,$SSH_KEY," /usr/share/oem/cloud-config.yml.template > /usr/share/oem/cloud-config.yml

# download coreos, kernel and create initrd
/usr/sbin/update-coreos

# run CoreOS kernel
/sbin/kexec --load /boot/coreos/vmlinuz --initrd /boot/coreos/initrd.cpio.gz
/sbin/kexec --exec