#!/bin/sh
VER=1.0
# ============================================================================
#
# Copyright (C) THALES. All rights reserved
# Author: Laurent Mazet & Thomas Perennou
# Date : 03/12/2014
# ============================================================================

### BEGIN INIT INFO
# Provides:          ipmiwake
# Required-Start:    $network waitswitches
# Required-Stop:
# Should-Start:
# Default-Start:     S
# Default-Stop:
# Short-Description: IPMI wake cluster blades
# Description:       Boot all cluster blades by IPMI boot command
### END INIT INFO

DHCPCONF=/etc/dhcp/dhcpd.conf
ENABLE="yes"
TIMEOUT=10000

PATH=/sbin:/usr/sbin:/bin:/usr/bin
[ -f /etc/default/ipmiwake ] && . /etc/default/ipmiwake
[ "$ENABLE" = "yes" ] || exit 0

. /lib/lsb/init-functions

do_action () {
    ACTION=$1

    log_action_msg "Send IPMI boot $ACTION command"

    ip addr add 10.133.25.1/24 dev eth0

    for mac in $(awk '{sub(/#.*/, "")} /host\s+trc[0-9]/ && ! /-rf/ { gsub(/[;{}]/, " "); print $5}' $DHCPCONF); do
	ipmi=$(awk '{sub(/#.*/, "")} /'$mac'/ {print}' $DHCPCONF | sed 's/.* [0-9.]*\.\([0-9][0-9]*\)[^0-9].*/10.133.25.\1/')
        host=$(awk '{sub(/#.*/, "")} /'$mac'/ {gsub(/[{}]/, " "); print $2}' $DHCPCONF)
        log_action_msg "Wake-up $host (IPMI boot $ACTION $ipmi)"
        ipmipower --session-timeout=$TIMEOUT -h $ipmi -u ADMIN -p ADMIN --$ACTION &
    done

    wait

    ip addr del 10.133.25.1/24 dev eth0
}

case "$1" in
    -v)
        echo "$(basename $0), version $VER"
	;;
    start)
        do_action on
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
    stop)
        do_action off
        ;;
    *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac

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