debian/nfs-kernel-server.init

   1 #!/bin/sh
   2 #
   3 # nfs-kernel-server
   4 #               This shell script takes care of starting and stopping
   5 #               the kernel-mode NFS server.
   6 #
   7 # chkconfig: 345 60 20
   8 # description: NFS is a popular protocol for file sharing across TCP/IP \
   9 #              networks. This service provides NFS server functionality, \
  10 #              which is configured via the /etc/exports file.
  11 #
  12
  13 # What is this?
  14 DESC="NFS kernel daemon"
  15 PREFIX=/usr
  16
  17 # Exit if required binaries are missing.
  18 [ -x $PREFIX/sbin/rpc.nfsd    ] || exit 0
  19 [ -x $PREFIX/sbin/rpc.mountd  ] || exit 0
  20 [ -x $PREFIX/sbin/exportfs    ] || exit 0
  21
  22 # Read config
  23 DEFAULTFILE=/etc/default/nfs-kernel-server
  24 RPCNFSDCOUNT=8
  25 RPCNFSDPRIORITY=0
  26 RPCMOUNTDOPTS=
  27 NEED_SVCGSSD=yes
  28 RPCGSSDOPTS=
  29 RPCSVCGSSDOPTS=
  30 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
  31 if [ -f $DEFAULTFILE ]; then
  32     . $DEFAULTFILE
  33 fi
  34
  35 . /lib/lsb/init-functions
  36
  37 do_modprobe() {
  38     if [ -x /sbin/modprobe ]
  39     then
  40         modprobe -q "$1" || true
  41     fi
  42 }
  43
  44 do_mount() {
  45     if ! grep -E -qs "$1\$" /proc/filesystems
  46     then
  47         return 1
  48     fi
  49     if ! mountpoint -q "$2"
  50     then
  51         mount -t "$1" "$1" "$2"
  52         return
  53     fi
  54     return 0
  55 }
  56
  57 # See how we were called.
  58 case "$1" in
  59   start)
  60         if [ -f /etc/exports ]
  61         then
  62                 do_modprobe nfsd
  63
  64                 # See if our running kernel supports the NFS kernel server
  65                 if [ -f /proc/kallsyms ] && ! grep -qE 'init_nf(sd|     )' /proc/kallsyms; then
  66                         log_warning_msg "Not starting $DESC: no support in current kernel."
  67                         exit 0
  68                 fi
  69
  70                 do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
  71                 log_begin_msg "Exporting directories for $DESC..."
  72                 $PREFIX/sbin/exportfs -r
  73                 if [ $? != 0 ]; then
  74                         log_end_msg $?
  75                         exit $?
  76                 fi
  77                 log_end_msg 0
  78
  79                 log_daemon_msg "Starting $DESC"
  80                 log_progress_msg "nfsd"
  81                 start-stop-daemon --start --oknodo --quiet \
  82                     --nicelevel $RPCNFSDPRIORITY \
  83                     --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
  84                 if [ $? != 0 ]; then
  85                         log_end_msg $?
  86                         exit $?
  87                 fi
  88
  89                 # make sure 127.0.0.1 is a valid source for requests
  90                 ClearAddr=
  91                 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
  92                 then
  93                     fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
  94                         echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
  95                         ClearAddr=yes
  96                     }
  97                 fi
  98
  99                 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
 100                     RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
 101
 102                 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
 103
 104                 log_progress_msg "mountd"
 105                 start-stop-daemon --start --oknodo --quiet \
 106                     --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
 107                 if [ $? != 0 ]; then
 108                         log_end_msg $?
 109                         exit $?
 110                 fi
 111
 112                 log_end_msg 0
 113         else
 114                 log_warning_msg "Not starting $DESC: no exports."
 115         fi
 116         ;;
 117
 118   stop)
 119         log_daemon_msg "Stopping $DESC"
 120
 121         log_progress_msg "mountd"
 122         start-stop-daemon --stop --oknodo --quiet \
 123             --name rpc.mountd --user 0
 124         if [ $? != 0 ]; then
 125                 log_end_msg $?
 126                 exit $?
 127         fi
 128
 129         log_progress_msg "nfsd"
 130         start-stop-daemon --stop --oknodo --quiet \
 131             --name nfsd --user 0 --signal 2
 132         if [ $? != 0 ]; then
 133                 log_end_msg $?
 134                 exit $?
 135         fi
 136
 137         log_end_msg 0
 138
 139         log_begin_msg "Unexporting directories for $DESC..."
 140         $PREFIX/sbin/exportfs -au
 141         if [ $? != 0 ]; then
 142                 log_end_msg $?
 143                 exit $?
 144         fi
 145         log_end_msg 0
 146
 147         if mountpoint -q /proc/nfs/nfsd
 148         then
 149             $PREFIX/sbin/exportfs -f
 150         fi
 151         ;;
 152
 153   status)
 154         if pidof nfsd >/dev/null
 155         then
 156             echo "nfsd running"
 157             exit 0
 158         else
 159             echo "nfsd not running"
 160             exit 3
 161         fi
 162         ;;
 163
 164   reload | force-reload)
 165         log_begin_msg "Re-exporting directories for $DESC..."
 166         $PREFIX/sbin/exportfs -r
 167         log_end_msg $?
 168         exit $?
 169         ;;
 170
 171   restart)
 172         $0 stop
 173         sleep 1
 174         $0 start
 175         ;;
 176
 177   *)
 178         log_success_msg "Usage: nfs-kernel-server {start|stop|status|reload|force-reload|restart}"
 179         exit 1
 180         ;;
 181 esac
 182
 183 exit 0