debian/nfs-kernel-server.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          nfs-kernel-server
   5 # Required-Start:    $portmap $time
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: Kernel NFS server support
   9 # Description:       NFS is a popular protocol for file sharing across
  10 #                    TCP/IP networks. This service provides NFS server
  11 #                    functionality, which is configured via the
  12 #                    /etc/exports file.
  13 ### END INIT INFO
  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 RPCNFSDPRIORITY=0
  28 RPCMOUNTDOPTS=
  29 NEED_SVCGSSD=no
  30 RPCSVCGSSDOPTS=
  31 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  32 if [ -f $DEFAULTFILE ]; then
  33     . $DEFAULTFILE
  34 fi
  35
  36 . /lib/lsb/init-functions
  37
  38 do_modprobe() {
  39     if [ -x /sbin/modprobe -a -f /proc/modules ]
  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         if [ -f /etc/exports ]
  62         then
  63                 do_modprobe nfsd
  64
  65                 # See if our running kernel supports the NFS kernel server
  66                 if [ -f /proc/kallsyms ] && ! grep -qE 'init_nf(sd|     )' /proc/kallsyms; then
  67                         log_warning_msg "Not starting $DESC: no support in current kernel."
  68                         exit 0
  69                 fi
  70
  71                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  72                 log_begin_msg "Exporting directories for $DESC..."
  73                 $PREFIX/sbin/exportfs -r
  74                 if [ $? != 0 ]; then
  75                         log_end_msg $?
  76                         exit $?
  77                 fi
  78                 log_end_msg 0
  79
  80                 log_daemon_msg "Starting $DESC"
  81                 log_progress_msg "nfsd"
  82                 start-stop-daemon --start --oknodo --quiet \
  83                     --nicelevel $RPCNFSDPRIORITY \
  84                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  85                 if [ $? != 0 ]; then
  86                         log_end_msg $?
  87                         exit $?
  88                 fi
  89
  90                 # make sure 127.0.0.1 is a valid source for requests
  91                 ClearAddr=
  92                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  93                 then
  94                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  95                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  96                         ClearAddr=yes
  97                     }
  98                 fi
  99
 100                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
 101                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
 102
 103                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
 104
 105                 if [ "$NEED_SVCGSSD" = "yes" ]; then
 106                         log_progress_msg "svcgssd"
 107                         start-stop-daemon --start --oknodo --quiet \
 108                             --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
 109                         if [ $? != 0 ]; then
 110                                 log_end_msg $?
 111                                 exit $?
 112                         fi
 113                 fi
 114
 115                 log_progress_msg "mountd"
 116                 start-stop-daemon --start --oknodo --quiet \
 117                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
 118                 if [ $? != 0 ]; then
 119                         log_end_msg $?
 120                         exit $?
 121                 fi
 122
 123                 log_end_msg 0
 124         else
 125                 log_warning_msg "Not starting $DESC: no exports."
 126         fi
 127         ;;
 128
 129   stop)
 130         log_daemon_msg "Stopping $DESC"
 131
 132         log_progress_msg "mountd"
 133         start-stop-daemon --stop --oknodo --quiet \
 134             --name rpc.mountd --user 0
 135         if [ $? != 0 ]; then
 136                 log_end_msg $?
 137                 exit $?
 138         fi
 139
 140         if [ "$NEED_SVCGSSD" = "yes" ]; then
 141                 log_progress_msg "svcgssd"
 142                 start-stop-daemon --stop --oknodo --quiet \
 143                     --name rpc.svcgssd --user 0
 144                 if [ $? != 0 ]; then
 145                         log_end_msg $?
 146                         exit $?
 147                 fi
 148         fi
 149
 150         log_progress_msg "nfsd"
 151         start-stop-daemon --stop --oknodo --quiet \
 152             --name nfsd --user 0 --signal 2
 153         if [ $? != 0 ]; then
 154                 log_end_msg $?
 155                 exit $?
 156         fi
 157
 158         log_end_msg 0
 159
 160         log_begin_msg "Unexporting directories for $DESC..."
 161         $PREFIX/sbin/exportfs -au
 162         if [ $? != 0 ]; then
 163                 log_end_msg $?
 164                 exit $?
 165         fi
 166         log_end_msg 0
 167
 168         if mountpoint -q /proc/nfs/nfsd
 169         then
 170             $PREFIX/sbin/exportfs -f
 171         fi
 172         ;;
 173
 174   status)
 175         if pidof nfsd >/dev/null
 176         then
 177             echo "nfsd running"
 178             exit 0
 179         else
 180             echo "nfsd not running"
 181             exit 3
 182         fi
 183         ;;
 184
 185   reload | force-reload)
 186         log_begin_msg "Re-exporting directories for $DESC..."
 187         $PREFIX/sbin/exportfs -r
 188         log_end_msg $?
 189         exit $?
 190         ;;
 191
 192   restart)
 193         $0 stop
 194         sleep 1
 195         $0 start
 196         ;;
 197
 198   *)
 199         log_success_msg "Usage: nfs-kernel-server {start|stop|status|reload|force-reload|restart}"
 200         exit 1
 201         ;;
 202 esac
 203
 204 exit 0