debian/nfs-kernel-server.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          nfs-kernel-server
   5 # Required-Start:    $remote_fs nfs-common $portmap $time
   6 # Required-Stop:     $remote_fs nfs-common $portmap $time
   7 # Default-Start:     2 3 4 5
   8 # Default-Stop:      0 1 6
   9 # Short-Description: Kernel NFS server support
  10 # Description:       NFS is a popular protocol for file sharing across
  11 #                    TCP/IP networks. This service provides NFS server
  12 #                    functionality, which is configured via the
  13 #                    /etc/exports file.
  14 ### END INIT INFO
  15
  16 # What is this?
  17 DESC="NFS kernel daemon"
  18 PREFIX=/usr
  19
  20 # Exit if required binaries are missing.
  21 [ -x $PREFIX/sbin/rpc.nfsd    ] || exit 0
  22 [ -x $PREFIX/sbin/rpc.mountd  ] || exit 0
  23 [ -x $PREFIX/sbin/exportfs    ] || exit 0
  24
  25 # Read config
  26 DEFAULTFILE=/etc/default/nfs-kernel-server
  27 RPCNFSDCOUNT=8
  28 RPCNFSDPRIORITY=0
  29 RPCMOUNTDOPTS=
  30 NEED_SVCGSSD=no
  31 RPCSVCGSSDOPTS=
  32 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  33 if [ -f $DEFAULTFILE ]; then
  34     . $DEFAULTFILE
  35 fi
  36
  37 . /lib/lsb/init-functions
  38
  39 do_modprobe() {
  40     if [ -x /sbin/modprobe -a -f /proc/modules ]
  41     then
  42         modprobe -q "$1" || true
  43     fi
  44 }
  45
  46 do_mount() {
  47     if ! grep -E -qs "$1\$" /proc/filesystems
  48     then
  49         return 1
  50     fi
  51     if ! mountpoint -q "$2"
  52     then
  53         mount -t "$1" "$1" "$2"
  54         return
  55     fi
  56     return 0
  57 }
  58
  59 # See how we were called.
  60 case "$1" in
  61   start)
  62         if [ -f /etc/exports ]
  63         then
  64                 do_modprobe nfsd
  65
  66                 # See if our running kernel supports the NFS kernel server
  67                 if ! [ -d /sys/module/nfsd ]; then
  68                         log_warning_msg "Not starting $DESC: no support in current kernel."
  69                         exit 0
  70                 fi
  71
  72                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  73                 log_begin_msg "Exporting directories for $DESC..."
  74                 $PREFIX/sbin/exportfs -r
  75                 RET=$?
  76                 if [ $RET != 0 ]; then
  77                         log_end_msg $RET
  78                         exit $RET
  79                 fi
  80                 log_end_msg 0
  81
  82                 log_daemon_msg "Starting $DESC"
  83                 log_progress_msg "nfsd"
  84                 start-stop-daemon --start --oknodo --quiet \
  85                     --nicelevel $RPCNFSDPRIORITY \
  86                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  87                 RET=$?
  88                 if [ $RET != 0 ]; then
  89                         log_end_msg $RET
  90                         exit $RET
  91                 fi
  92
  93                 # make sure 127.0.0.1 is a valid source for requests
  94                 ClearAddr=
  95                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  96                 then
  97                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  98                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  99                         ClearAddr=yes
 100                     }
 101                 fi
 102
 103                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
 104                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
 105
 106                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
 107
 108                 if [ "$NEED_SVCGSSD" = "yes" ]; then
 109                         do_modprobe rpcsec_gss_krb5
 110                         log_progress_msg "svcgssd"
 111                         start-stop-daemon --start --oknodo --quiet \
 112                             --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
 113                         RET=$?
 114                         if [ $RET != 0 ]; then
 115                                 log_end_msg $RET
 116                                 exit $RET
 117                         fi
 118                 fi
 119
 120                 log_progress_msg "mountd"
 121                 start-stop-daemon --start --oknodo --quiet \
 122                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
 123                 RET=$?
 124                 if [ $RET != 0 ]; then
 125                         log_end_msg $RET
 126                         exit $RET
 127                 fi
 128
 129                 log_end_msg 0
 130         else
 131                 log_warning_msg "Not starting $DESC: no exports."
 132         fi
 133         ;;
 134
 135   stop)
 136         log_daemon_msg "Stopping $DESC"
 137
 138         log_progress_msg "mountd"
 139         start-stop-daemon --stop --oknodo --quiet \
 140             --name rpc.mountd --user 0
 141         RET=$?
 142         if [ $RET != 0 ]; then
 143                 log_end_msg $RET
 144                 exit $RET
 145         fi
 146
 147         if [ "$NEED_SVCGSSD" = "yes" ]; then
 148                 log_progress_msg "svcgssd"
 149                 start-stop-daemon --stop --oknodo --quiet \
 150                     --name rpc.svcgssd --user 0
 151                 RET=$?
 152                 if [ $RET != 0 ]; then
 153                         log_end_msg $RET
 154                         exit $RET
 155                 fi
 156         fi
 157
 158         log_progress_msg "nfsd"
 159         start-stop-daemon --stop --oknodo --quiet \
 160             --name nfsd --user 0 --signal 2
 161         RET=$?
 162         if [ $RET != 0 ]; then
 163                 log_end_msg $RET
 164                 exit $RET
 165         fi
 166
 167         log_end_msg 0
 168
 169         log_begin_msg "Unexporting directories for $DESC..."
 170         $PREFIX/sbin/exportfs -au
 171         RET=$?
 172         if [ $RET != 0 ]; then
 173                 log_end_msg $RET
 174                 exit $RET
 175         fi
 176         log_end_msg 0
 177
 178         if mountpoint -q $PROCNFSD_MOUNTPOINT
 179         then
 180             $PREFIX/sbin/exportfs -f
 181         fi
 182         ;;
 183
 184   status)
 185         if pidof nfsd >/dev/null
 186         then
 187             echo "nfsd running"
 188             exit 0
 189         else
 190             echo "nfsd not running"
 191             exit 3
 192         fi
 193         ;;
 194
 195   reload | force-reload)
 196         log_begin_msg "Re-exporting directories for $DESC..."
 197         $PREFIX/sbin/exportfs -r
 198         RET=$?
 199         log_end_msg $RET
 200         exit $RET
 201         ;;
 202
 203   restart)
 204         $0 stop
 205         sleep 1
 206         $0 start
 207         ;;
 208
 209   *)
 210         log_success_msg "Usage: nfs-kernel-server {start|stop|status|reload|force-reload|restart}"
 211         exit 1
 212         ;;
 213 esac
 214
 215 exit 0