debian/nfs-kernel-server.init

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