debian/nfs-kernel-server.init

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