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