#!/bin/bash
#
# chkconfig:    235 31 69
# description:  Nagios is a service monitoring system
#
### BEGIN INIT INFO
# Provides:          nagios
# Required-Start:    $syslog $network $remote_fs
# Required-Stop:     $syslog $network $remote_fs
# Default-Start:     2 3 5
# Default-Stop:      0 1 4 6
# Short-Description: start and stop Nagios monitoring server
# Description:       Nagios is is a service monitoring system
### END INIT INFO

NAGIOS_BIN=/usr/bin/nagios
NAGIOS_PID=/var/run/nagios.pid

if [ -r /etc/rc.status ]
then
  source /etc/rc.status
  START="/sbin/startproc"
  STATUS="/sbin/checkproc"
  SUCCESS="echo \$rc_done"
  FAILURE="echo \$rc_failed"
  USER="-u"
else
  source /etc/rc.d/init.d/functions
  START="daemon"
  STATUS="status"
  SUCCESS="success; echo"
  FAILURE="failure; echo"
  USER="--user"
fi

[ -r /etc/sysconfig/nagios ] && source /etc/sysconfig/nagios

RETVAL=0

case "$1" in
  start)
    echo -n "Starting nagios: "
    ${START} ${USER} ${NAGIOS_USER:-daemon} ${NAGIOS_BIN} -ud ${CONF_FILE:-/etc/nagios/nagios.cfg}
    RETVAL=$?
    ;;
  stop)
    echo -n "Stopping nagios: "
    killproc -p ${NAGIOS_PID} ${NAGIOS_BIN} 2> /dev/null
    RETVAL=$?
    ;;
  restart)
    if $0 checkconf
    then
      $0 stop
      $0 start
      unset RETVAL
    else
      exit 1
    fi
    ;;
  reload)
    if $0 checkconf
    then
      echo -n "Reloading configuration of nagios: "
      killproc -p ${NAGIOS_PID} -HUP ${NAGIOS_BIN} 2> /dev/null
      RETVAL=$?
    else
      exit 1
    fi
    ;;
  status)
    echo -n "Status of nagios: "
    ${STATUS} ${NAGIOS_BIN} > /dev/null 2>&1
    RETVAL=$?
    ;;
  checkconf)
    echo -n "Checking configuration of nagios: "
    sudo -u ${NAGIOS_USER:-daemon} ${NAGIOS_BIN} -vp ${CONF_FILE:-/etc/nagios/nagios.cfg} > /var/log/nagios/startup.out 2>&1
    RETVAL=$?
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|reload|checkconf}"
    exit 1
    ;;
esac
[ -z ${RETVAL} ] && exit
[ ${RETVAL} -eq 0 ] && eval "${SUCCESS}" || eval "${FAILURE}"
exit ${RETVAL}
