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 RPCMOUNTDOPTS=
  29 NEED_SVCGSSD=yes
  30 RPCGSSDOPTS=
  31 RPCSVCGSSDOPTS=
  32 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  33 if [ -f $DEFAULTFILE ]; then
  34     . $DEFAULTFILE
  35 fi
  36
  37 do_modprobe() {
  38         modprobe -q $1 || true
  39 }
  40
  41 do_mount() {
  42         if ! grep -E -qs "$1\$" /proc/filesystems
  43         then
  44                 return 1
  45         fi
  46         if ! mountpoint -q $2
  47         then
  48                 mount -t $1 $3 $1 $2
  49                 return
  50         fi
  51         return 0
  52 }
  53
  54 # See how we were called.
  55 case "$1" in
  56   start)
  57         cd /    # daemons should have root dir as cwd
  58         if grep -q '^/' /etc/exports
  59         then
  60                 do_modprobe nfsd
  61                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  62                 printf "Exporting directories for $DESC..."
  63                 $PREFIX/sbin/exportfs -r
  64                 echo "done."
  65
  66                 printf "Starting $DESC:"
  67                 if [ "$NEED_SVCGSSD" = yes ]
  68                 then
  69                     printf " svcgssd"
  70                     start-stop-daemon --start --quiet \
  71                             --make-pidfile --pidfile /var/run/rpc.svcgssd.pid \
  72                             --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
  73                fi
  74
  75                 printf " nfsd"
  76                 start-stop-daemon --start --quiet \
  77                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  78
  79                 printf " mountd"
  80
  81                 # make sure 127.0.0.1 is a valid source for requests
  82                 ClearAddr=
  83                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  84                 then
  85                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  86                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  87                         ClearAddr=yes
  88                     }
  89                 fi
  90
  91                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
  92                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
  93
  94                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
  95
  96                 start-stop-daemon --start --quiet \
  97                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
  98                 echo "."
  99         else
 100                 echo "Not starting $DESC: No exports."
 101         fi
 102         ;;
 103
 104   stop)
 105         printf "Stopping $DESC: mountd"
 106         start-stop-daemon --stop --oknodo --quiet \
 107             --name rpc.mountd --user 0
 108         if [ "$NEED_SVCGSSD" = yes ]
 109         then
 110             printf " svcgssd"
 111             start-stop-daemon --stop --oknodo --quiet \
 112                     --name rpc.svcgssd --user 0
 113             rm -f /var/run/rpc.svcgssd.pid
 114         fi
 115         printf " nfsd"
 116         start-stop-daemon --stop --oknodo --quiet \
 117             --name nfsd --user 0 --signal 2
 118         echo "."
 119
 120         printf "Unexporting directories for $DESC..."
 121         $PREFIX/sbin/exportfs -au
 122         echo "done."
 123         ;;
 124
 125   reload | force-reload)
 126         printf "Re-exporting directories for $DESC..."
 127         $PREFIX/sbin/exportfs -r
 128         echo "done."
 129         ;;
 130
 131   restart)
 132         $0 stop
 133         sleep 1
 134         $0 start
 135         ;;
 136
 137   *)
 138         echo "Usage: nfs-kernel-server {start|stop|reload|force-reload|restart}"
 139         exit 1
 140         ;;
 141 esac
 142
 143 exit 0