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#! /bin/sh
# glusterpmd    Start/Stop the gluster process monitoring daemon.
#
# chkconfig: 2345 90 60
# description: Monitor gluster related processes and send
#              details to nagios server whenever any changes
#              observed in those services.
#
# Copyright (C) 2014 Red Hat Inc
#
# 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
# of the License, or (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#

# Source function library.
. /etc/rc.d/init.d/functions

BASE=glusterpmd

# Fedora File System Layout dictates /run
[ -e /run ] && RUNDIR="/run"
PIDFILE="${RUNDIR:-/var/run}/${BASE}.pid"

PID=`test -f $PIDFILE && cat $PIDFILE`

restart()
{
    if [ -f $PIDFILE ]; then
        echo "Restarting gluster process monitoring service"
        python /usr/lib64/nagios/plugins/gluster/check_proc_status.py restart
    else
        python /usr/lib64/nagios/plugins/gluster/check_proc_status.py start
    fi
}

case "$1" in
  start)
    if [ -f $PIDFILE ]; then
        echo "glusterpmd service is already running with pid $PID"
    else
        echo "Starting gluster process monitoring service"
        python /usr/lib64/nagios/plugins/gluster/check_proc_status.py start
    fi
    ;;
  stop)
    if [ -f $PIDFILE ]; then
        echo "Stopping gluster process monitoring service"
        python /usr/lib64/nagios/plugins/gluster/check_proc_status.py stop
    fi
    ;;
  status)
    status $BASE
    ;;
  condrestart)
    status $BASE > /dev/null || exit 0
    restart
    ;;
  restart)
    restart
    ;;
  *)
    echo "Usage: /etc/init.d/glusterpmd {start|stop|status|restart|condrestart}"
    exit 1
    ;;
esac

exit $?