master/etc/init.d/etherwake

   1 #!/bin/sh
   2 VER=1.4
   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 # - V1.4: Laurent Mazet & Thomas Perennou 03/12/2014
  17 #   Legers correctifs
  18 # ============================================================================
  19
  20 ### BEGIN INIT INFO
  21 # Provides:          etherwake
  22 # Required-Start:    $network waitswitches
  23 # Required-Stop:
  24 # Should-Start:
  25 # Default-Start:     S
  26 # Default-Stop:
  27 # Short-Description: EW cluster blades
  28 # Description:       Boot all cluster blades by EtherWake protocol
  29 ### END INIT INFO
  30
  31 DHCPCONF=/etc/dhcp/dhcpd.conf
  32 GROUP_SIZE=5
  33 NB_TRY=2
  34 ENABLE="yes"
  35
  36 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  37 [ -f /etc/default/etherwake ] && . /etc/default/etherwake
  38 [ "$ENABLE" = "yes" ] || exit 0
  39
  40 . /lib/lsb/init-functions
  41
  42 do_start () {
  43
  44     log_action_msg "Activate EtherWake"
  45
  46     sleep 1
  47     n=0
  48     while [ $NB_TRY -gt 0 ]; do
  49
  50         for mac in $(awk '{sub(/#.*/, "")} /trc[0-9]/ {gsub(/[;{}]/, " "); print $5}' $DHCPCONF); do
  51             host=$(awk '{sub(/#.*/, "")} /'$mac'/ {gsub(/[{}]/, " "); print $2}' $DHCPCONF)
  52
  53             log_action_msg "Wake-up $host (EtherWake $mac)"
  54             etherwake $mac
  55
  56             n=$(expr $n + 1)
  57             [ $(expr $n % $GROUP_SIZE) -eq 0 ] && sleep 1
  58
  59         done
  60
  61         NB_TRY=$(expr $NB_TRY - 1)
  62     done
  63 }
  64
  65 case "$1" in
  66     -v)
  67         echo "$(basename $0), version $VER"
  68         ;;
  69     start)
  70         do_start
  71         ;;
  72     restart|reload|force-reload)
  73         echo "Error: argument '$1' not supported" >&2
  74         exit 3
  75         ;;
  76     stop)
  77         # No-op
  78         ;;
  79     *)
  80         echo "Usage: $0 start|stop" >&2
  81         exit 3
  82         ;;
  83 esac
  84
  85 # vim:set tabstop=4 expandtab shiftwidth=4: