GCCluster: redhat.pbs_server

#!/bin/sh
#
# pbs_server    This script will start and stop the PBS Server
#
# chkconfig: 345 95 5
# description: PBS is a versatile batch system for SMPs and clusters
#
# Source the library functions
. /etc/rc.d/init.d/functions

PBS_DAEMON=/usr/local/sbin/pbs_server
PBS_HOME=/var/spool/torque
PBS_ARGS=""
PBS_SERVERDB="$PBS_HOME/server_priv/serverdb"
export PBS_DAEMON PBS_HOME PBS_ARGS PBS_SERVERDB

create() {
    echo -n "Creating initial TORQUE configuration: "
    if [ -r $PBS_SERVERDB ]; then
        echo "Configuration already exists.  Please remove $PBS_SERVERDB to create a new one."
        exit 1
    fi

    $PBS_DAEMON -d $PBS_HOME -t create &
    while [ ! -r $PBS_SERVERDB ]; do
        sleep 1
    done
    killproc pbs_server
    RET=$?
}

start() {
    status pbs_server >/dev/null 2>&1
    if [ $? -eq 0 ]; then
        echo "pbs_server is already running."
        exit 0
    fi
    echo $PBS_SERVERDB
    if [ ! -r $PBS_SERVERDB ]; then
                #
                # Commented out automagic create: this is dangerous and will blow
        # away the serverdb file if $TORQUE_HOME isn't the default...
                #
        #create
        echo "serverdb not initialized or not in the expected location."
        echo "If this is a new installation you create the serverdb with: service pbs_server create."
        echo "Else you should already have a serverdb and you will want to check your setup."
        exit 0
    fi
    echo -n "Starting TORQUE Server: "
    daemon $PBS_DAEMON -d $PBS_HOME $PBS_ARGS
    RET=$?
    [ $RET -eq 0 ] && touch /var/lock/subsys/pbs_server
    echo
}

stop() {
    status pbs_server >/dev/null 2>&1
    if [ $? -ne 0 ]; then
        echo "pbs_server is not running."
        exit 0
    fi
    echo -n "Shutting down TORQUE Server: "
    killproc pbs_server
    RET=$?
    rm -f /var/lock/subsys/pbs_server
    echo
}

reload() {
    echo -n "Reloading pbs_server: "
    killproc pbs_server -HUP
    RET=$?
    echo
}

if [ -f /etc/sysconfig/pbs_server ]; then
   . /etc/sysconfig/pbs_server
fi

# let see how we were called
case "$1" in
        start) 
                start
                ;;
        stop)
                stop
                ;;
        status)
                status pbs_server
                RET=$?
                ;;
        restart)
                stop
                start
                ;;
        reload)
                reload
                ;;
        create)
                create
                ;;
        *)
                echo "Usage: pbs_server {start|stop|restart|status|reload|create}"
                exit 1
esac
exit $RET