debian/nfs-kernel-server.init

   1 #!/bin/bash
   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 "$1" in
  62   start)
  63         export_files="/etc/exports"
  64         for file in /etc/exports.d/*.exports ; do
  65                 if [ -f "$file" ]; then
  66                         export_files="$export_files $file"
  67                 fi
  68         done
  69         if [ -f /etc/exports ] && grep -q '^[[:space:]]*[^#]*/' $export_files
  70         then
  71                 do_modprobe nfsd
  72
  73                 # See if our running kernel supports the NFS kernel server
  74                 if ! grep -E -qs "[[:space:]]nfsd\$" /proc/filesystems; then
  75                         log_warning_msg "Not starting $DESC: no support in current kernel."
  76                         exit 0
  77                 fi
  78
  79                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  80                 log_begin_msg "Exporting directories for $DESC..."
  81                 $PREFIX/sbin/exportfs -r
  82                 RET=$?
  83                 if [ $RET != 0 ]; then
  84                         log_end_msg $RET
  85                         exit $RET
  86                 fi
  87                 log_end_msg 0
  88
  89                 log_daemon_msg "Starting $DESC"
  90                 log_progress_msg "nfsd"
  91
  92                 # See if rpcbind is running
  93                 $PREFIX/sbin/rpcinfo -p >/dev/null 2>&1
  94                 RET=$?
  95                 if [ $RET != 0 ]; then
  96                     echo
  97                     log_warning_msg "Not starting: portmapper is not running"
  98                     exit 0
  99                 fi
 100
 101                 start-stop-daemon --start --oknodo --quiet \
 102                     --nicelevel $RPCNFSDPRIORITY \
 103                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
 104                 RET=$?
 105                 if [ $RET != 0 ]; then
 106                         log_end_msg $RET
 107                         exit $RET
 108                 fi
 109
 110                 # make sure 127.0.0.1 is a valid source for requests
 111                 ClearAddr=
 112                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
 113                 then
 114                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
 115                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
 116                         ClearAddr=yes
 117                     }
 118                 fi
 119
 120                 $PREFIX/sbin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
 121                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
 122
 123                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
 124
 125                 if [ "$NEED_SVCGSSD" = "yes" ]; then
 126                         do_modprobe rpcsec_gss_krb5
 127                         log_progress_msg "svcgssd"
 128                         start-stop-daemon --start --oknodo --quiet \
 129                             --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
 130                         RET=$?
 131                         if [ $RET != 0 ]; then
 132                                 log_end_msg $RET
 133                                 exit $RET
 134                         fi
 135                 fi
 136
 137                 log_progress_msg "mountd"
 138                 start-stop-daemon --start --oknodo --quiet \
 139                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
 140                 RET=$?
 141                 if [ $RET != 0 ]; then
 142                         log_end_msg $RET
 143                         exit $RET
 144                 fi
 145
 146                 log_end_msg 0
 147         else
 148                 log_warning_msg "Not starting $DESC: no exports."
 149         fi
 150         ;;
 151
 152   stop)
 153         log_daemon_msg "Stopping $DESC"
 154
 155         log_progress_msg "mountd"
 156         start-stop-daemon --stop --oknodo --quiet \
 157             --name rpc.mountd --user 0
 158         RET=$?
 159         if [ $RET != 0 ]; then
 160                 log_end_msg $RET
 161                 exit $RET
 162         fi
 163
 164         if [ "$NEED_SVCGSSD" = "yes" ]; then
 165                 log_progress_msg "svcgssd"
 166                 start-stop-daemon --stop --oknodo --quiet \
 167                     --name rpc.svcgssd --user 0
 168                 RET=$?
 169                 if [ $RET != 0 ]; then
 170                         log_end_msg $RET
 171                         exit $RET
 172                 fi
 173         fi
 174
 175         log_progress_msg "nfsd"
 176         start-stop-daemon --stop --oknodo --quiet \
 177             --name nfsd --user 0 --signal 2
 178         RET=$?
 179         if [ $RET != 0 ]; then
 180                 log_end_msg $RET
 181                 exit $RET
 182         fi
 183
 184         log_end_msg 0
 185
 186         log_begin_msg "Unexporting directories for $DESC..."
 187         $PREFIX/sbin/exportfs -au
 188         RET=$?
 189         if [ $RET != 0 ]; then
 190                 log_end_msg $RET
 191                 exit $RET
 192         fi
 193         log_end_msg 0
 194
 195         if mountpoint -q $PROCNFSD_MOUNTPOINT
 196         then
 197             $PREFIX/sbin/exportfs -f
 198         fi
 199         ;;
 200
 201   status)
 202         if pidof nfsd >/dev/null
 203         then
 204             echo "nfsd running"
 205             exit 0
 206         else
 207             echo "nfsd not running"
 208             exit 3
 209         fi
 210         ;;
 211
 212   reload | force-reload)
 213         log_begin_msg "Re-exporting directories for $DESC..."
 214         $PREFIX/sbin/exportfs -r
 215         RET=$?
 216         log_end_msg $RET
 217         exit $RET
 218         ;;
 219
 220   restart)
 221         $0 stop
 222         sleep 1
 223         $0 start
 224         ;;
 225
 226   *)
 227         log_success_msg "Usage: nfs-kernel-server {start|stop|status|reload|force-reload|restart}"
 228         exit 1
 229         ;;
 230 esac
 231
 232 exit 0