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
  24 # Read config
  25 DEFAULTFILE=/etc/default/nfs-kernel-server
  26 RPCNFSDCOUNT=8
  27 RPCMOUNTDOPTS=
  28 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  29 if [ -f $DEFAULTFILE ]; then
  30     . $DEFAULTFILE
  31 fi
  32
  33 do_modprobe() {
  34         modprobe -q $1 || true
  35 }
  36
  37 do_mount() {
  38         if ! grep -E -qs "$1\$" /proc/filesystems
  39         then
  40                 return 1
  41         fi
  42         if ! mountpoint -q $2
  43         then
  44                 mount -t $1 $3 $1 $2
  45                 return
  46         fi
  47         return 0
  48 }
  49
  50 # See how we were called.
  51 case "$1" in
  52   start)
  53         cd /    # daemons should have root dir as cwd
  54         if grep -q '^/' /etc/exports
  55         then
  56                 do_modprobe nfsd
  57                 do_mount nfsd $PROCNFSD_MOUNTPOINT || true
  58                 printf "Exporting directories for $DESC..."
  59                 $PREFIX/sbin/exportfs -r
  60                 echo "done."
  61
  62                 printf "Starting $DESC:"
  63                 printf " nfsd"
  64                 start-stop-daemon --start --quiet \
  65                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  66
  67                 printf " mountd"
  68
  69                 # make sure 127.0.0.1 is a valid source for requests
  70                 ClearAddr=
  71                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  72                 then
  73                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  74                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  75                         ClearAddr=yes
  76                     }
  77                 fi
  78
  79                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
  80                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
  81
  82                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
  83
  84                 start-stop-daemon --start --quiet \
  85                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
  86                 echo "."
  87         else
  88                 echo "Not starting $DESC: No exports."
  89         fi
  90         ;;
  91
  92   stop)
  93         printf "Stopping $DESC: mountd"
  94         start-stop-daemon --stop --oknodo --quiet \
  95             --name rpc.mountd --user 0
  96         printf " nfsd"
  97         start-stop-daemon --stop --oknodo --quiet \
  98             --name nfsd --user 0 --signal 2
  99         echo "."
 100
 101         printf "Unexporting directories for $DESC..."
 102         $PREFIX/sbin/exportfs -au
 103         echo "done."
 104         ;;
 105
 106   reload | force-reload)
 107         printf "Re-exporting directories for $DESC..."
 108         $PREFIX/sbin/exportfs -r
 109         echo "done."
 110         ;;
 111
 112   restart)
 113         $0 stop
 114         sleep 1
 115         $0 start
 116         ;;
 117
 118   *)
 119         echo "Usage: nfs-kernel-server {start|stop|reload|force-reload|restart}"
 120         exit 1
 121         ;;
 122 esac
 123
 124 exit 0