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