#!/bin/sh
#
# update-dns
# John Simpson <jms1@jms1.net> 2004-06-13
#
# runs on a child nameserver
# copies incoming data stream to tinydns "data" file
# then runs "make" to build "data.cdb" file
# keeps the 10 most recent files around for backup purposes
#
# 2007-08-18 jms1 - modifying for non-root slave user
#
# 2007-08-19 jms1 - adding call to run "./trigger-make" if it exists.
#   see http://qmail.jms1.net/djbdns/replication.shtml for details.
#
# 2007-09-11 jms1 - fixed typo in "trigger-make" calls
#
###############################################################################
#
# Copyright (C) 2004,2007 John Simpson.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 or version 3 of the
# license, at your option.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###############################################################################

DATE=`date +%Y-%m-%d.%H%M%S`

echo Writing incoming data to data.$DATE
cat > data.$DATE

echo Updating data file
cat data.$DATE > data
chmod 644 data

if [ -e trigger-make ]
then
	echo Pushing data to further slave servers
	./trigger-make
else
	echo Activating new data
	/usr/local/bin/tinydns-data
	chmod 644 data.cdb
fi

echo Cleaning up old files
/usr/local/bin/delbut -10 data.2*