#!/bin/bash
# 
# chkconfig: - 65 35
#
# Provides: monitor-nagios
# Required-Start: mysqld sendmail
# Defalt-Start: 3 4 5
# Default-Stop: 0 1 2 6
# Description: Setup requirements for monitor to work with nagios
# 
# Stephen Soltesz <soltesz@cs.princeton.edu>
# Copyright (C) 2010 The Trustees of Princeton University
#
# $Id$
#

for f in /etc/plc.d/functions /etc/plc.d/monitor.functions /etc/planetlab/plc_config ; do
	if [ -f /etc/plc.d/functions ] ; then 
		source $f
	fi
done

# NOTE: expect that mysqld is already started.

start () {
	
	if ! ( mysqladmin ping &> /dev/null ) ; then
		echo "mysqld is not running; cannot continue; exit..."
		exit
	fi

	# if it's a fresh install, there is no root passwd.
	if ( mysqladmin -u root create nagios &> /dev/null ) ; then
		cat <<EOF > /tmp/nagios.priv
   GRANT ALL PRIVILEGES ON nagios.* TO ndouser@localhost IDENTIFIED BY 'ndopassword';
EOF
		cat /tmp/nagios.priv | mysql -u root

		cd /usr/share/doc/ndoutils-mysql-*/db
		perl ./installdb -u ndouser -p ndopassword -d nagios
	fi

	if ! ( grep -q /usr/lib/nagios/brokers/ndomod.so  /etc/nagios/nagios.cfg ) ; then 
		echo "broker_module=/usr/lib/nagios/brokers/ndomod.so config_file=/etc/nagios/ndomod.cfg" >> /etc/nagios/nagios.cfg
	fi

	if ( chkconfig --list ndo2db | grep -q 3:off ) ; then
		/sbin/chkconfig ndo2db on
		/sbin/service ndo2db start
	fi
	#/sbin/service nagios restart

	## set passwd for /etc/nagios/passwd
	if ! ( grep nagiosadmin /etc/nagios/passwd &> /dev/null ) ; then
		htpasswd -b -c /etc/nagios/passwd nagiosadmin nagiospassword
	fi

	# disable /etc/httpd/conf.d/nagios.conf restriction to only 127.0.0.1
	if ( grep -q -E "^service_check_timeout=60" /etc/nagios/nagios.cfg ) ; then
        # NOTE: PCU checks can take several minutes due to timeouts and internal delays
		sed -i -e 's/service_check_timeout=.*/service_check_timeout=150/g' /etc/nagios/nagios.cfg 
        # NOTE: All 'action' commands are in the notification category.
        #       Complex actions such as 'repair.py' may take several minutes.
		sed -i -e 's/notification_timeout=.*/notification_timeout=240/g' /etc/nagios/nagios.cfg 
	fi

	# disable /etc/httpd/conf.d/nagios.conf restriction to only 127.0.0.1
	if ( grep -q -E "^   deny from all" /etc/httpd/conf.d/nagios.conf ) ; then
		sed -i -e 's/   deny from all/   #allow from all/g' /etc/httpd/conf.d/nagios.conf 
		sed -i -e 's/   order deny,allow/   #order allow,deny/g' /etc/httpd/conf.d/nagios.conf 
		sed -i -e 's/   allow from 127.0.0.1/   /g' /etc/httpd/conf.d/nagios.conf 
	fi

	if [ ! -f /etc/nagios/objects/plc.cfg ] ; then 
		/usr/share/monitor/nagios/plc_hosts_to_nagios.py > /etc/nagios/objects/plc.cfg
	fi

	if [ ! -f /etc/nagios/objects/plcusers.cfg ] ; then 
		/usr/share/monitor/nagios/plc_users_to_nagios.py > /etc/nagios/objects/plcusers.cfg
	fi


	if ! ( grep -q "cfg_file=/etc/nagios/objects/plcnodes.cfg" /etc/nagios/nagios.cfg ) ; then
		echo "cfg_file=/etc/nagios/objects/plcnodes.cfg" >> /etc/nagios/nagios.cfg
		echo "cfg_file=/etc/nagios/objects/plcusers.cfg" >> /etc/nagios/nagios.cfg
	fi

	if ( chkconfig --list sendmail | grep -q 3:off ) ; then
		/sbin/chkconfig sendmail on
		/sbin/service sendmail start
	fi

	# change /etc/nagios/objects/contacts.cfg to some real email addr
	# change /etc/nagios/nagios.cfg admin_email to some real email addr

}


# See how we were called.
case "$1" in
  start)
    start
    ;;
  stop)
    echo "not implemented"
    ;;
  status)
    echo "not implemented"
    ;;
  restart)
    echo "not implemented"
    ;;
  *)
    echo $"Usage: $0 {start|stop|status|condrestart|restart}"
    exit 1
esac

exit $?