debian/nfs-common.init

   1 #!/bin/sh
   2 #
   3 # nfs-common    This shell script takes care of starting and stopping
   4 #               common daemons required for NFS clients and servers.
   5 #
   6 # chkconfig: 345 20 80
   7 # description: NFS is a popular protocol for file sharing across \
   8 #              TCP/IP networks. This service provides NFS file \
   9 #              locking functionality.
  10 #
  11
  12 set -e
  13
  14 # What is this?
  15 DESC="NFS common utilities"
  16
  17 # Read config
  18 DEFAULTFILE=/etc/default/nfs-common
  19 PREFIX=
  20 NEED_LOCKD=
  21 NEED_IDMAPD=yes
  22 IDMAPD_PIDFILE=/var/run/rpc.idmapd.pid
  23 NEED_GSSD=yes
  24 GSSD_PIDFILE=/var/run/rpc.gssd.pid
  25 PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs
  26 RPCGSSDOPTS=
  27 if [ -f $DEFAULTFILE ]; then
  28     . $DEFAULTFILE
  29 fi
  30
  31 # Determine whether lockd daemon is required.
  32 case "$NEED_LOCKD" in
  33 yes|no) ;;
  34 *)  case `uname -r` in
  35     '' | [01].* | 2.[0123].* )
  36         # Older kernels may or may not need a lockd daemon.
  37         # We must assume they do, unless we can prove otherwise.
  38         # (A false positive here results only in a harmless message.)
  39         NEED_LOCKD=yes
  40         if test -f /proc/ksyms
  41         then
  42             grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
  43         fi
  44         ;;
  45
  46     *)  # Modern kernels (>= 2.4) start a lockd thread automatically.
  47         NEED_LOCKD=no
  48         ;;
  49     esac
  50     ;;
  51 esac
  52
  53 # Exit if required binaries are missing.
  54 [ -x $PREFIX/sbin/rpc.statd ] || exit 0
  55 [ -x $PREFIX/sbin/rpc.lockd ] || [ "$NEED_LOCKD"  = no ] || exit 0
  56 [ -x /usr/sbin/rpc.idmapd   ] || [ "$NEED_IDMAPD" = no ] || exit 0
  57 [ -x /usr/sbin/rpc.gssd     ] || [ "$NEED_GSSD"   = no ] || exit 0
  58
  59 do_modprobe() {
  60     modprobe -q "$1" || true
  61 }
  62
  63 do_mount() {
  64     if ! grep -E -qs "$1\$" /proc/filesystems
  65     then
  66         return 1
  67     fi
  68     if ! mountpoint -q "$2"
  69     then
  70         mount -t "$1" "$1" "$2"
  71         return
  72     fi
  73     return 0
  74 }
  75
  76 # See how we were called.
  77 case "$1" in
  78   start)
  79         cd /    # daemons should have root dir as cwd
  80         printf "Starting $DESC:"
  81         printf " statd"
  82         start-stop-daemon --start --quiet \
  83             --exec $PREFIX/sbin/rpc.statd -- $STATDOPTS
  84         if [ "$NEED_LOCKD" = yes ]
  85         then
  86             printf " lockd"
  87             start-stop-daemon --start --quiet \
  88                 --exec $PREFIX/sbin/rpc.lockd  || true
  89         fi
  90         if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
  91         then
  92             do_modprobe nfs
  93             if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
  94             then
  95                 if [ "$NEED_IDMAPD" = yes ]
  96                 then
  97                     printf " idmapd"
  98                     start-stop-daemon --start --quiet \
  99                             --make-pidfile --pidfile $IDMAPD_PIDFILE \
 100                             --exec /usr/sbin/rpc.idmapd
 101                 fi
 102                 if [ "$NEED_GSSD" = yes ]
 103                 then
 104                     printf " gssd"
 105                     start-stop-daemon --start --quiet \
 106                             --make-pidfile --pidfile $GSSD_PIDFILE \
 107                             --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
 108                 fi
 109             fi
 110         fi
 111         echo "."
 112         ;;
 113
 114   stop)
 115         printf "Stopping $DESC:"
 116         if [ "$NEED_GSSD" = yes ]
 117         then
 118             printf " gssd"
 119             start-stop-daemon --stop --oknodo --quiet \
 120                     --name rpc.gssd
 121             rm -f $GSSD_PIDFILE
 122         fi
 123         if [ "$NEED_IDMAPD" = yes ]
 124         then
 125             printf " idmapd"
 126             start-stop-daemon --stop --oknodo --quiet \
 127                 --name rpc.idmapd
 128             rm -f $IDMAPD_PIDFILE
 129         fi
 130         if [ "$NEED_LOCKD" = yes ]
 131         then
 132             printf " lockd"
 133             start-stop-daemon --stop --oknodo --quiet \
 134                 --name rpc.lockd || true
 135         else
 136             pkill -KILL -u root -x lockd
 137         fi
 138         printf " statd"
 139         start-stop-daemon --stop --oknodo --quiet \
 140             --name rpc.statd
 141         echo "."
 142         ;;
 143
 144   restart | force-reload)
 145         $0 stop
 146         sleep 1
 147         $0 start
 148         ;;
 149
 150   *)
 151         echo "Usage: nfs-common {start|stop|restart}"
 152         exit 1
 153         ;;
 154 esac
 155
 156 exit 0