#!/bin/sh
#
# Begin $rc_base/init.d/cluster
#
# Based on sysklogd script from LFS-3.1 and earlier.
# Written by Andrew "Weibullguy" Rowland <darowland@ieee.org>
#
# Date: 2007-10-31
#
# Starts all of the services required for the cluster.
#
#	PBS Server
#	MOM Client
#	Maui Scheduler
#	Ganglia Monitor Daemon
#	Ganglia Meta-Monitor Daemon
#	MPICH2 Process Monitor

. /etc/sysconfig/rc
. $rc_functions

# Read in the command arguments
case "$1" in

    start)
        echo "#-------------------------------------------#"
        echo "Starting cluster services:"

        # If the server daemon exists, then start it.
        if [ -f /usr/sbin/pbs_server ]; then
            boot_mesg "TORQUE PBS Server found; starting..."
            loadproc /usr/sbin/pbs_server
        fi

        # If the mom daemon exists, then start it.
        if [ -f /usr/sbin/pbs_mom ]; then
            boot_mesg "TORQUE MOM Client found; starting..."
            loadproc /usr/sbin/pbs_mom
        fi

        # If Maui Scheduler services exist on this node, then start it.
        if [ -f /usr/sbin/maui ]; then
            boot_mesg "Maui Batch scheduler found; starting..."
            loadproc /usr/sbin/maui
        fi

        # If Ganglia monitor daemon exists, then start it.
        if [ -f /usr/sbin/gmond ]; then
            boot_mesg "Ganglia Monitoring Daemon found; starting..."
            loadproc /usr/sbin/gmond
        fi

        # If Ganglia meta monitor daemon exists, start it.
        if [ -f /usr/sbin/gmetad ]; then
            boot_mesg "Ganglia Meta-Monitoring Daemon found; starting..."
            loadproc /usr/sbin/gmetad
        fi

        # If MPICH2 process manager exists, then start it.
        if [ -f /usr/sbin/mpd ]; then
            boot_mesg "MPICH2 Process Manager found; starting..."
            loadproc /usr/sbin/mpd
        fi

        echo "Cluster services running"
        echo "#-------------------------------------------#"
        ;;

	stop)
		echo "#-------------------------------------------#"
        echo "Shutting down cluster services:"

        boot_mesg "Stopping MPICH2 Process Monitor..."
        killproc mpd
        boot_mesg "Stopping Ganglia Meta-Monitoring Daemon..."
        killproc gmetad
        boot_mesg "Stopping Ganglia Monitoring Daemon..."
        killproc gmond
        boot_mesg "Stopping Maui Batch Scheduler..."
        killproc maui
        boot_mesg "Stopping TORQUE MOM Client ..."
        killproc pbs_mom
        boot_mesg "Stopping TORQUE PBS Server ..."
        killproc pbs_server
        echo "Cluster services stopped"
        echo "#-------------------------------------------#"
        ;;

	restart)
		$0 stop
		$0 start
		;;

	status)
		echo "#-------------------------------------------#"
        echo "Status of cluster services:"
        statusproc /usr/sbin/pbs_server
        statusproc /usr/sbin/pbs_mom
        statusproc /usr/sbin/maui
        statusproc /usr/sbin/gmond
        statusproc /usr/sbin/gmetad
        statusproc /usr/sbin/mpd
        echo "#-------------------------------------------#"
        ;;

	*)
		echo "Usage: $0 {start|stop|restart|status}"
        exit 1

esac

exit 0

# End $rc_base/init.d/cluster