#!/bin/sh
#
# lustre   This shell script takes care of starting and stopping Lustre
#
# chkconfig: 345 99 1
# description: Lustre Lite network File System.                              \
#              This starts both Lustre client and server functions.
# processname: lconf
# config: /etc/lustre/config.xml
# pidfile: /var/run/lustre.pid

SERVICE=lustre
LOCK=/var/lock/subsys/$SERVICE

: ${LUSTRE_CFG:=/etc/lustre/lustre.cfg}
[ -f ${LUSTRE_CFG} ] && . ${LUSTRE_CFG}

: ${LUSTRE_CONFIG_XML:=/etc/lustre/config.xml}
: ${LCONF:=/usr/sbin/lconf}
: ${LCONF_START_ARGS:="${LUSTRE_CONFIG_XML}"}
: ${LCONF_STOP_ARGS:="--force --cleanup ${LUSTRE_CONFIG_XML}"}

# Source function library.
if [ -f /etc/init.d/functions ] ; then
   . /etc/init.d/functions
fi

# Source networking configuration.
if [ -f /etc/sysconfig/network ] ; then
   . /etc/sysconfig/network
fi

# Check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 0

[ -x ${LCONF} -a -f ${LUSTRE_CONFIG_XML} ] || exit 0

# Create /var/lustre directory 
# This is used by snmp agent for checking lustre services	 \
#    status online/offline/online pending/offline pending.

[ -d ${STATUS_DIR:=/var/lustre} ] || mkdir -p $STATUS_DIR
STATUS=${STATUS_DIR}/sysStatus

start() {
        echo -n "Starting $SERVICE: "
        ${LCONF} ${LCONF_START_ARGS}
        RETVAL=$?
        echo $SERVICE
        if [ $RETVAL -eq 0 ]; then
               touch $LOCK
              echo "online" >$STATUS
        else
              echo "online pending" >$STATUS
        fi
}

stop() {
        echo -n "Shutting down $SERVICE: "
        ${LCONF} ${LCONF_STOP_ARGS}
        RETVAL=$?
        echo $SERVICE
        rm -f $LOCK 
        if [ $RETVAL -eq 0 ]; then
              echo "offline" >$STATUS
        else
              echo "offline pending" >$STATUS
        fi
}

restart() {
	stop
	start
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart)
	restart
	;;
  status)
	status $SERVICE
	;;
  *)
	echo "Usage: $SERVICE {start|stop|restart|status}"
	exit 1
esac

exit $RETVAL