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File nfs.init of Package nfs-utils (Revision d88dfab5b599ae932060d77b9c2a2735)

Currently displaying revision d88dfab5b599ae932060d77b9c2a2735 , Show latest

#! /bin/bash
# Copyright (c) 1996-2002 SuSE Linux AG, Nuernberg, Germany.
# Copyright (c) 2008 SuSE LINUX Products GmbH, Nuernberg, Germany.
# All rights reserved.
#
# Author: Florian La Roche, 1996
#      Werner Fink <werner@suse.de>, 1996,2008
#      Burchard Steinbild, 1996
#
# Please send feedback to http://www.suse.de/feedback
#
# /etc/init.d/nfs
#
### BEGIN INIT INFO
# Provides:       nfs
# Required-Start: $network $portmap
# Required-Stop:  $network $portmap
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Short-Description: NFS client services
# Description:    All necessary services for NFS clients
# X-Systemd-RemainAfterExit: true
### END INIT INFO

. /etc/rc.status
. /etc/sysconfig/nfs

# XXX: there should be separate init scripts for these really
IDMAPD_BIN=/usr/sbin/rpc.idmapd
GSSD_BIN=/usr/sbin/rpc.gssd
STATD_BIN=/usr/sbin/rpc.statd

IDMAPD_CLIENT_STATE=/run/nfs/nfs-rpc.idmapd
IDMAPD_SERVER_STATE=/run/nfs/nfsserver-rpc.idmapd
GSSD_CLIENT_STATE=/run/nfs/nfs-rpc.gssd
GSSD_SERVER_STATE=/run/nfs/nfsserver-rpc.gssd

if [ -z "$RPC_PIPEFS_DIR" ]; then
    RPC_PIPEFS_DIR=/var/lib/nfs/rpc_pipefs
fi

NEED_IDMAPD=no
#always start gssd if /etc/krb5.keytab exists.
if [ -f /etc/krb5.keytab ] ; then
    NEED_GSSD=yes
fi
NEED_LDCONFIG=no
state=0
usr=""
opt=""
mnt=""
nfs=$NFS_START_SERVICES
if [ "x$nfs" != "xyes" ]
then nfs=no
fi

while read -r what where type options rest  ; do
    case "$what" in
	\#*|"")     continue ;;
    esac
    case ",$options," in
	*,noauto,*) continue ;;
    esac
    case "$type" in
	nfs|nfs4)   ;;
	*)          continue ;;
    esac
    nfs=yes
    if test "$1" = status ; then
	grep -qF "$what $where nfs
$what/ $where nfs" /proc/mounts && continue
        state=3
	continue
    fi
    case "$where" in
	/usr*)
	    usr="${usr:+$usr }$where"
	    NEED_LDCONFIG=yes
	    ;;
	/opt*)
	    opt="${opt:+$opt }$where"
	    NEED_LDCONFIG=yes
	    ;;
	*)
	    mnt="${mnt:+$mnt }$where"
	    test "$NEED_LDCONFIG" = yes        && continue
	    grep -qE "^$where" /etc/ld.so.conf || continue
	    NEED_LDCONFIG=yes
	    ;;
    esac
done < /etc/fstab
unset what where type options rest

case $NFS_SECURITY_GSS in
  [Nn]*)        flavors="";;
  [Yy]*)        flavors=krb5;;
  *)            flavors="$NFS_SECURITY_GSS";;
esac

if test -n "$flavors" ; then
    NEED_GSSD=yes
fi
if test -n "$GSSD_OPTIONS"; then
    NEED_GSSD=yes
fi

case $NFS_GSSD_AVOID_DNS in
    [Nn]*) ignore_dns=-D ;;
    [Yy]*) ignore_dns=   ;;
    *    ) ignore_dns=-D
esac

if test "$NFS4_SUPPORT" = yes ; then
    NEED_IDMAPD=yes
fi
if grep -E '^(sunrpc|fs.nfs)' /etc/sysctl.conf > /dev/null 2>&1 ; then
    nfs=yes
fi

check_portmap() {
   # check if either portmap or rpcbind is running
   if test -x /sbin/rpcinfo && /sbin/rpcinfo -a 0.0.0.0.0.111 -T tcp 100000 > /dev/null 2>&1
   then true
   elif test -x /sbin/portmap && checkproc /sbin/portmap
   then true
   elif test -x /sbin/rpcbind && checkproc /sbin/rpcbind
   then true
   else false
   fi
}

if ! test "$nfs" = no -o -x /sbin/portmap -o -x /sbin/rpcbind; then
    echo "portmap/rpcbind is missing"
    rc_failed 3
    rc_status -v
    rc_exit
fi

mount_rpc_pipefs() {
    # See if the file system is there yet
    case `stat -c "%t" -f "$RPC_PIPEFS_DIR"` in
    *67596969*)
        return 0;;
    esac
    mount -t rpc_pipefs rpc_pipefs "$RPC_PIPEFS_DIR"
}

umount_rpc_pipefs() {
    # See if the file system is there
    case `stat -c "%t" -f "$RPC_PIPEFS_DIR"` in
    *67596969*)
        umount "$RPC_PIPEFS_DIR"
    esac
}

mount_usr() {
    test -n "$usr" -o -n "$opt" || return
    local where
    for where in $usr $opt ; do
	mount -o nolock $where || {
	    # maybe network device hasn't appeared yet.
	    udevadm settle
	    mount -o nolock $where
	}
    done
}

do_start_gssd() {
    for flavor in $flavors; do
        /sbin/modprobe rpcsec_gss_$flavor
    done
    mount_rpc_pipefs
    startproc $GSSD_BIN $ignore_dns $GSSD_OPTIONS -p $RPC_PIPEFS_DIR
    return $?
}

do_start_idmapd() {
    mount_rpc_pipefs

# as idmapd needs to be run by server and client
    # check if there is already a idmapd running
    if checkproc $IDMAPD_BIN && test -f $IDMAPD_SERVER_STATE; then
        killproc -HUP $IDMAPD_BIN
    else
        startproc $IDMAPD_BIN -p $RPC_PIPEFS_DIR
	return $?
    fi
}

rc_reset
case "$1-$nfs" in
    start-no|reload-no)
	# Always run smnotify, even if no mounts are listed in fstab.
	# If there is nothing to do, it will exit quickly, and if there
	# is something to do, the sooner it is done, the better.
	/usr/sbin/sm-notify $SM_NOTIFY_OPTIONS
	echo -n "Not starting NFS client services - no NFS found in /etc/fstab:"
	rc_status -u
	;;
    start-yes|force-start-*)
	echo -n "Starting NFS client services:"
	if ! check_portmap ; then
	    echo "portmap/rpcbind is not running"
	    rc_failed 3
	    rc_status -v
	    rc_exit
	fi

# explicit modprobe so we can set some sysctl values
	# before any daemons (e.g. lockd) start.
	# When modprobe allows this to be moved to modprobe.d
	# without breaking --show-depends, this can be removed.
	modprobe nfs
	grep -E '^(sunrpc|fs.nfs)' /etc/sysctl.conf | sysctl -q -e -n -p -

# in case we need /usr and/or /opt via nfs
	mount_usr

# sm-notify
	echo -n " sm-notify"
	/usr/sbin/sm-notify $SM_NOTIFY_OPTIONS

# start gssd
	if test "$NEED_GSSD" = yes ; then
 	    echo -n " gssd"
	    do_start_gssd || {
	        rc_status -v
	        rc_exit
	    }
	    [ -d /run/nfs ] || mkdir /run/nfs
	    echo $GSSD_BIN > $GSSD_CLIENT_STATE
	fi

# start idmapd
	if test "$NEED_IDMAPD" = yes ; then
	    echo -n " idmapd"
	    do_start_idmapd || {
	        rc_status -v
	        rc_exit
	    }
	    [ -d /run/nfs ] || mkdir /run/nfs
	    echo $IDMAPD_BIN > $IDMAPD_CLIENT_STATE
	fi

rc_status -v
	# remark: statd is started when needed by mount.nfs

# Mount all auto NFS devices (-> nfs(5) and mount(8) )
	#  NFS-Server sometime not reachable during boot phase.
	#  It's sometime usefull to mount NFS devices in
	#  background with an ampersand (&) and a sleep time of
	#  two or more seconds, e.g:
	#
	#   sleep 2 && mount -at nfs,nfs4 &
	#   sleep 2
	#
	if test -n "$mnt" ; then
	    # If network devices are not yet discovered, mounts
	    # might fail, so we might need to 'udevadm settle' to
	    # wait for the interfaces.
	    # We cannot try the mount and on failure: 'settle' and try again
	    # as if there are 'bg' mounts, we could get multiple copies
	    # of them.  So always 'settle' if there is any mounting to do.
	    echo -n "Mounting network file systems ..."
	    udevadm settle
            mount -at nfs,nfs4 || rc_failed 1
	    rc_status -v
	fi
	#
    	# generate new list of available shared libraries
	#
	if test "$NEED_LDCONFIG" = yes; then
	    if test -x /sbin/ldconfig; then
		/sbin/ldconfig -X > /dev/null 2>&1 || :
	    fi
	fi
	#
	;;
    stop* )
	echo -n "Shutting down NFS client services:"

rootfs=`awk '$2 == "/" && $1 != "rootfs" {print $3}' /proc/mounts`

if test x$rootfs = xnfs ; then
	    echo -n " root filesystem is on NFS"
	    rc_status -s
	else
	    # kill process to maximise chance that umount succeeds
	    mnt=`awk '$3 ~ /^nfs4*$/ {print $2}' /proc/mounts`
	    runlevel=`runlevel | awk '{print $2}'`
	    if test "$runlevel" -eq 0 -o "$runlevel" -eq 6; then
	      if test -n "$mnt" ; then
		/sbin/mkill -TERM $mnt
              fi
            fi

# if filesystems are not busy, wait for unmount to complete..
	    umount -at nfs,nfs4
	    # if they are still busy, do a lazy unmount anyway.
	    umount -alt nfs,nfs4

# stop gssd
	    if test ! -f $GSSD_SERVER_STATE ; then
		if checkproc $GSSD_BIN; then
		    echo -n " gssd"
		    killproc $GSSD_BIN
		fi
		rm -f  $GSSD_CLIENT_STATE
	    fi

# stop idmapd
	    if test -f $IDMAPD_CLIENT_STATE; then
	        # only stop idmapd if it is not needed by server
		if test ! -f $IDMAPD_SERVER_STATE ; then
		    echo -n " idmapd"
		    killproc $IDMAPD_BIN
		fi
		rm -f $IDMAPD_CLIENT_STATE
	    fi

# stop rpc.statd if not needed by server
	    if checkproc $STATD_BIN ; then
		if [ `cat /proc/fs/nfsd/threads 2> /dev/null`0 -eq 0 ]; then
		    echo -n " rpc.statd"
		    killproc $STATD_BIN
		fi
	    fi

# umount rpc_pipefs only if not needed by server
	    if [ ! -f $GSSD_SERVER_STATE -a ! -f $IDMAPD_SERVER_STATE ]; then
		umount_rpc_pipefs
	    fi

rc_status -v
	fi
	;;
    reload*|force-reload*)
	# only IDMAP has any sense in which 'reload' makes sense.
	if checkproc $IDMAPD_BIN; then
	    killproc -HUP $IDMAPD_BIN
	fi
	rc_status
	;;
    restart*)
        ## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 force-start
	rc_status
	;;
    status*)
	echo -n "Checking for mounted nfs shares (from /etc/fstab):"
	if test "$nfs" = yes ; then
	    rc_failed $state
        else
	    rc_failed 3
	fi
	#
	if test "$NEED_GSSD" = yes && ! checkproc $GSSD_BIN; then
	    echo "gssd not running"
	    rc_failed 3
	fi
	#
	if test "$NEED_IDMAPD" = yes && ! checkproc $IDMAPD_BIN; then
	    echo "idmapd not running"
	    rc_failed 3
	fi
	if ! check_portmap; then
	    echo "Warning: portmap/rpcbind not running - nfs may not work well"
	fi
        rc_status -v
	;;
    try-restart*|condrestart*)
	# This restart is not only conditional on the services already
	# running, but is also gentler in that NFS filesystems are
	# not unmounted or remounted.
	# It is possible that the programs have been reinstalled so
	# we pass a basename rather than a full path to checkproc and killproc
	echo -n "Restarting NFS services:"
	if checkproc ${GSSD_BIN##*/}; then
	    echo -n " gssd"
	    killproc ${GSSD_BIN##*/}
	    startproc $GSSD_BIN $ignore_dns $GSSD_OPTIONS
	fi
	if checkproc ${IDMAPD_BIN##*/}; then
	    echo -n " idmapd"
	    killproc ${IDMAPD_BIN##*/}
	    startproc $IDMAPD_BIN
	fi
	if checkproc ${STATD_BIN##*/}; then
	    echo -n " statd"
	    killproc ${STATD_BIN##*/}
	    /usr/sbin/start-statd
	fi
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|reload|force-reload|restart|try-restart}"
	exit 1
esac
rc_exit

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File nfs.init of Package nfs-utils (Revision d88dfab5b599ae932060d77b9c2a2735)

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