#!/bin/sh

#

# nfs           This shell script takes care of starting and stopping

#               the NFS services.

#

# chkconfig: - 30 60

# description: NFS is a popular protocol for file sharing across networks.

#              This service provides NFS server functionality, which is \

#              configured via the /etc/exports file.

# probe: true

# config: /etc/sysconfig/nfs

### BEGIN INIT INFO

# Provides: nfs

# Required-Start: $local_fs $network $syslog $rpcbind

# Required-Stop: $local_fs $network $syslog $rpcbind

# Default-Stop: 0 1 6

# Short-Description: Start up the NFS server sevice

# Description: NFS is a popular protocol for file sharing across networks \

#              This service provides NFS server functionality, \

#              which is configured via the /etc/exports file.

### END INIT INFO

# Source function library.

. /etc/rc.d/init.d/functions

# Source networking configuration.

[ -f /etc/sysconfig/network ] &&  . /etc/sysconfig/network

# Check for and source configuration file otherwise set defaults

[ -f /etc/sysconfig/nfs ] && . /etc/sysconfig/nfs

# Remote quota server

[ -z "$RQUOTAD" ] && RQUOTAD=`type -path rpc.rquotad`

RETVAL=0

uid=`id | cut -d\( -f1 | cut -d= -f2`

# See how we were called.

case "$1" in

  start)

	# Check that networking is up.

	[ "${NETWORKING}" != "yes" ] && exit 6

	[ -x /usr/sbin/rpc.nfsd ] || exit 5

	[ -x /usr/sbin/rpc.mountd ] || exit 5

	[ -x /usr/sbin/exportfs ] || exit 5

	# Make sure the rpc.mountd is not already running.

	if status rpc.mountd > /dev/null ; then

		exit 0

	fi

	# Only root can start the service

	[ $uid -ne 0 ] && exit 4

	# Don't fail if /etc/exports doesn't exist; create a bare-bones 

	# version and continue.

	[ -r /etc/exports ] || \

    	{ touch /etc/exports && chmod u+rw,g+r,o+r /etc/exports ; } || \

    	{ echo "/etc/exports does not exist" ; exit 0 ; }

	[ -z "$MOUNTD_NFS_V2" ] && MOUNTD_NFS_V2=default

	[ -z "$MOUNTD_NFS_V3" ] && MOUNTD_NFS_V3=default

	# Number of servers to be started by default

	[ -z "$RPCNFSDCOUNT" ] && RPCNFSDCOUNT=8

	# Start daemons.

	[ -x /usr/sbin/rpc.svcgssd ] && /sbin/service rpcsvcgssd start

	# Set the ports lockd should listen on

	if [ -n "$LOCKD_TCPPORT" -o -n "$LOCKD_UDPPORT" ]; then 

		[ -x /sbin/modprobe ] && /sbin/modprobe lockd $LOCKDARG

		[ -n "$LOCKD_TCPPORT" ] && \

			/sbin/sysctl -w fs.nfs.nlm_tcpport=$LOCKD_TCPPORT >/dev/null 2>&1

		[ -n "$LOCKD_UDPPORT" ] && \

			/sbin/sysctl -w fs.nfs.nlm_udpport=$LOCKD_UDPPORT >/dev/null 2>&1

	fi

	# Load the nfsd module so /proc/fs/nfsd will exist

	[ "$NFSD_MODULE" != "noload" -a -x /sbin/modprobe ] && {

		/sbin/modprobe nfsd

		[ -n "$RDMA_PORT" ] && /sbin/modprobe svcrdma

	}

	# Set v4 grace period if requested  

	[ -n "$NFSD_V4_GRACE" ] && {

		echo "$NFSD_V4_GRACE" > /proc/fs/nfsd/nfsv4gracetime

	}

	action $"Starting NFS services: " /usr/sbin/exportfs -r

	if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then

	    echo -n $"Starting NFS quotas: "

		[ -n "$RQUOTAD_PORT" ] \

			&& RPCRQUOTADOPTS="$RPCRQUOTADOPTS -p $RQUOTAD_PORT"

	    daemon rpc.rquotad $RPCRQUOTADOPTS

		RETVAL=$?

	    echo

	fi

	echo -n $"Starting NFS daemon: "

	daemon rpc.nfsd $RPCNFSDARGS $RPCNFSDCOUNT

	RETVAL=$?

	echo

	[ $RETVAL -ne 0 ] && exit $RETVAL

	[ -n "$RDMA_PORT" ] && echo "rdma $RDMA_PORT" > /proc/fs/nfsd/portlist

	[ -n "$MOUNTD_PORT" ] \

	&& RPCMOUNTDOPTS="$RPCMOUNTDOPTS -p $MOUNTD_PORT"

	case $MOUNTD_NFS_V2 in

	no|NO)

	    RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 2" ;;

	esac

	case $MOUNTD_NFS_V3 in

	no|NO)

	    RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3" ;;

	esac

	echo -n $"Starting NFS mountd: "

	daemon rpc.mountd $RPCMOUNTDOPTS

	RETVAL=$?

	echo

	touch /var/lock/subsys/rpc.mountd

	touch /var/lock/subsys/nfs

	# Let rpc.idmapd know that rpc.mountd just started

	[ -x /usr/sbin/rpc.idmapd ] && /sbin/service rpcidmapd condstart

	;;

  stop)

	# Only root can stop the service

	[ $uid -ne 0 ] && exit 4

	# Stop daemons.

	echo -n $"Shutting down NFS mountd: "

	killproc rpc.mountd

	RETVAL=$?

	echo

	echo -n $"Shutting down NFS daemon: "

	killproc nfsd -2

	rval=$?

	[ $RETVAL -eq 0 ] && RETVAL=$rval

	echo

	if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then

		echo -n $"Shutting down NFS quotas: "

		killproc rpc.rquotad

		rval=$?

		[ $RETVAL -eq 0 ] && RETVAL=$rval

		echo

	fi

	# Reset the lockd ports if they were set

	if [ -n "$LOCKD_TCPPORT" ]; then

	    /sbin/sysctl -w fs.nfs.nlm_tcpport=0 >/dev/null 2>&1

	fi

	if [ -n "$LOCKD_UDPPORT" ]; then

	    /sbin/sysctl -w fs.nfs.nlm_udpport=0 >/dev/null 2>&1

	fi

	# Do it the last so that clients can still access the server

	# when the server is running.

	cnt=`/usr/sbin/exportfs -v | /usr/bin/wc -l`	

	if [ $cnt -gt 0 ]; then 

		action $"Shutting down NFS services: " /usr/sbin/exportfs -au

		rval=$?

		[ $RETVAL -eq 0 ] && RETVAL=$rval

	fi

	[ -x /usr/sbin/rpc.svcgssd ] && /sbin/service rpcsvcgssd stop

	rm -f /var/lock/subsys/nfs

	rm -f /var/lock/subsys/rpc.mountd

	;;

  status)

	[ -x /usr/sbin/rpc.svcgssd ] && /sbin/service rpcsvcgssd status

	status rpc.mountd

	RETVAL=$?

	status nfsd

	rval=$?

	[ $RETVAL -eq 0 ] && RETVAL=$rval

	if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then

		status rpc.rquotad

		rval=$?

		[ $RETVAL -eq 0 ] && RETVAL=$rval

	fi

	;;

  restart)

	$0 stop

	$0 start

	;;

  reload | force-reload)

	/usr/sbin/exportfs -r

	touch /var/lock/subsys/nfs

	;;

  probe)

	if [ ! -f /var/lock/subsys/nfs ] ; then

	  echo $"start"; exit 0

	fi

	/sbin/pidof rpc.mountd >/dev/null 2>&1; MOUNTD="$?"

	/sbin/pidof nfsd >/dev/null 2>&1; NFSD="$?"

	if [ $MOUNTD = 1 -o $NFSD = 1 ] ; then

	  echo $"restart"; exit 0

	fi

	if [ /etc/exports -nt /var/lock/subsys/nfs ] ; then

	  echo $"reload"; exit 0

	fi

	;;

  condrestart | try-restart)

	[ -x /usr/sbin/rpc.svcgssd ] && /sbin/service rpcsvcgssd condrestart

  	[ -f /var/lock/subsys/nfs ] && {

		$0 stop

		$0 start

		RETVAL=$?

	}

	;;

  condstop)

	[ -x /usr/sbin/rpc.svcgssd ] && /sbin/service rpcsvcgssd condstop

  	[ -f /var/lock/subsys/nfs ] && {

		$0 stop

		RETVAL=$?

	}

	;;

  *)

	echo $"Usage: nfs {start|stop|status|restart|reload|force-reload|condrestart|try-restart|condstop}"

	RETVAL=2

	;;

esac

exit $RETVAL