debian/nfs-kernel-server.init

   1 #!/bin/sh
   2 #
   3 # nfs-kernel-server
   4 #               This shell script takes care of starting and stopping
   5 #               the kernel-mode NFS server.
   6 #
   7 # chkconfig: 345 60 20
   8 # description: NFS is a popular protocol for file sharing across TCP/IP \
   9 #              networks. This service provides NFS server functionality, \
  10 #              which is configured via the /etc/exports file.
  11 #
  12
  13 set -e
  14
  15 # What is this?
  16 DESC="NFS kernel daemon"
  17 PREFIX=/usr
  18
  19 # Exit if required binaries are missing.
  20 [ -x $PREFIX/sbin/rpc.nfsd    ] || exit 0
  21 [ -x $PREFIX/sbin/rpc.mountd  ] || exit 0
  22 [ -x $PREFIX/sbin/exportfs    ] || exit 0
  23 [ -x $PREFIX/sbin/rpc.svcgssd ] || exit 0
  24
  25 # Read config
  26 DEFAULTFILE=/etc/default/nfs-kernel-server
  27 RPCNFSDCOUNT=8
  28 RPCNFSDPRIORITY=0
  29 RPCMOUNTDOPTS=
  30 NEED_SVCGSSD=yes
  31 RPCGSSDOPTS=
  32 RPCSVCGSSDOPTS=
  33 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  34 if [ -f $DEFAULTFILE ]; then
  35     . $DEFAULTFILE
  36 fi
  37
  38 do_modprobe() {
  39     if [ -x /sbin/modprobe ]
  40     then
  41         modprobe -q "$1" || true
  42     fi
  43 }
  44
  45 do_mount() {
  46     if ! grep -E -qs "$1\$" /proc/filesystems
  47     then
  48         return 1
  49     fi
  50     if ! mountpoint -q "$2"
  51     then
  52         mount -t "$1" "$1" "$2"
  53         return
  54     fi
  55     return 0
  56 }
  57
  58 # See how we were called.
  59 case "$1" in
  60   start)
  61         cd /    # daemons should have root dir as cwd
  62         if [ -f /etc/exports ]
  63         then
  64                 do_modprobe nfsd
  65                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  66                 printf "Exporting directories for $DESC..."
  67                 $PREFIX/sbin/exportfs -r
  68                 echo "done."
  69
  70                 printf "Starting $DESC:"
  71                 if [ "$NEED_SVCGSSD" = yes ]
  72                 then
  73                     printf " svcgssd"
  74                     start-stop-daemon --start --quiet \
  75                             --make-pidfile --pidfile /var/run/rpc.svcgssd.pid \
  76                             --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
  77                 fi
  78
  79                 printf " nfsd"
  80                 start-stop-daemon --start --quiet \
  81                     --nicelevel $RPCNFSDPRIORITY \
  82                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  83
  84                 printf " mountd"
  85
  86                 # make sure 127.0.0.1 is a valid source for requests
  87                 ClearAddr=
  88                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  89                 then
  90                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  91                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  92                         ClearAddr=yes
  93                     }
  94                 fi
  95
  96                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
  97                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
  98
  99                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
 100
 101                 start-stop-daemon --start --quiet \
 102                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
 103                 echo "."
 104         else
 105                 echo "Not starting $DESC: No exports."
 106         fi
 107         ;;
 108
 109   stop)
 110         printf "Stopping $DESC: mountd"
 111         start-stop-daemon --stop --oknodo --quiet \
 112             --name rpc.mountd --user 0
 113         if [ "$NEED_SVCGSSD" = yes ]
 114         then
 115             printf " svcgssd"
 116             start-stop-daemon --stop --oknodo --quiet \
 117                     --name rpc.svcgssd --user 0
 118             rm -f /var/run/rpc.svcgssd.pid
 119         fi
 120         printf " nfsd"
 121         start-stop-daemon --stop --oknodo --quiet \
 122             --name nfsd --user 0 --signal 2
 123         echo "."
 124
 125         printf "Unexporting directories for $DESC..."
 126         $PREFIX/sbin/exportfs -au
 127         if mountpoint -q /proc/nfs/nfsd
 128         then
 129             $PREFIX/sbin/exportfs -f
 130         fi
 131         echo "done."
 132         ;;
 133
 134   reload | force-reload)
 135         printf "Re-exporting directories for $DESC..."
 136         $PREFIX/sbin/exportfs -r
 137         echo "done."
 138         ;;
 139
 140   restart)
 141         $0 stop
 142         sleep 1
 143         $0 start
 144         ;;
 145
 146   *)
 147         echo "Usage: nfs-kernel-server {start|stop|reload|force-reload|restart}"
 148         exit 1
 149         ;;
 150 esac
 151
 152 exit 0