master/etc/init.d/etherwake

   1 #!/bin/sh
   2 VER=1.3
   3 # ============================================================================
   4 #
   5 # Copyright (C) THALES. All rights reserved
   6 # Author: Jean-Noel Raguenes
   7 # Date : 07/12/2009
   8 # - V1.1: Herve Petit 10/03/2010
   9 #   reprise de la commande recuperation des @mac pour prendre
  10 #   en compte le fait que l'interface eth1 a ete configuree
  11 # - V1.2: Herve Petit 04/06/2010
  12 #   etude probleme non demarrage lames esclave par tuning temps total et
  13 #   temps entre 2 wake
  14 # - V1.3: Laurent Mazet 02/05/2013
  15 #   Daemonisation
  16 # ============================================================================
  17
  18 ### BEGIN INIT INFO
  19 # Provides:          etherwake
  20 # Required-Start:    $network
  21 # Required-Stop:
  22 # Should-Start:
  23 # Default-Start:     S
  24 # Default-Stop:
  25 # Short-Description: EW cluster blades
  26 # Description:       Boot all cluster blades by EtherWake protocol
  27 ### END INIT INFO
  28
  29 DHCPCONF=/etc/dhcp/dhcpd.conf
  30 GROUP_SIZE=5
  31 NB_TRY=2
  32 ENABLE="yes"
  33
  34 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  35 [ -f /etc/default/etherwake ] && . /etc/default/etherwake
  36 [ "$ENABLE" = "yes" ] || exit 0
  37
  38 . /lib/lsb/init-functions
  39
  40 do_start () {
  41
  42     log_action_msg "Activate EtherWake"
  43
  44     sleep 1
  45     n=0
  46     while [ $NB_TRY -gt 0 ]; do
  47
  48         for mac in $(awk '{sub(/#.*/, "")} /trc[0-9]/ {gsub(/;/, " "); print $6}' $DHCPCONF); do
  49             host=$(awk '{sub(/#.*/, "")} /'$mac'/ {print $2}' $DHCPCONF)
  50
  51             log_action_msg "Wake-up $host ($mac)"
  52             etherwake $mac
  53
  54             n=$(expr $n + 1)
  55             [ $(expr $n % $GROUP_SIZE) -eq 0 ] && sleep 1
  56
  57         done
  58
  59         NB_TRY=$(expr $NB_TRY - 1)
  60     done
  61 }
  62
  63 case "$1" in
  64     -v)
  65         echo "$(basename $0), version $VER"
  66         ;;
  67     start)
  68         do_start
  69         ;;
  70     restart|reload|force-reload)
  71         echo "Error: argument '$1' not supported" >&2
  72         exit 3
  73         ;;
  74     stop)
  75         # No-op
  76         ;;
  77     *)
  78         echo "Usage: $0 start|stop" >&2
  79         exit 3
  80         ;;
  81 esac
  82
  83 # vim:set tabstop=4 expandtab shiftwidth=4: