#!/bin/sh
#===============================================================================
#
#  resolv
#
#  Copyright (C) 2014 by Digi International Inc.
#  All rights reserved.
#
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License version 2 as published by
#  the Free Software Foundation.
#
#
#  !Description: Configure static DNS servers with ifup
#
#===============================================================================

# Only for static method
[ "${METHOD}" != "static" ] && exit 0

RESOLVCONF="/etc/resolv.conf"

# For symlinks reset to the destination file
[ -h "${RESOLVCONF}" ] && RESOLVCONF="$(readlink ${RESOLVCONF})"

NAMESERVERS=""
for NS in ${IF_DNS_NAMESERVER} ${IF_DNS_NAMESERVERS}; do
        NAMESERVERS="${NAMESERVERS:+${NAMESERVERS}\n}nameserver ${NS}"
done

if [ -n "${RESOLVCONF}" -a -n "${NAMESERVERS}" ]; then
	printf "${NAMESERVERS}\n" > "${RESOLVCONF}"
fi