#!/bin/bash -e
VER=1.3
# ============================================================================
# 
# Copyright (C) THALES. All rights reserved
# Author: Jean-Noel Raguenes
# Date : 07/12/2009
# - V1.1: Herve Petit 10/03/2010
#   - Raffinage du calcul du nb de lames pour prendre en compte
#   que les interfaces eth1 sont aussi declarees dans /etc/hosts 
#   - Ajout appel a reboot_fe306.sh
# - V1.2: Herve Petit 02/06/2010
#   - Ajout sleep 1 entre chaque appel reboot_fe306.sh car sinon seule la
#     derniere fe306 etait rebootee 
# - V1.3: Laurent Mazet 17/05/2013
# ============================================================================

### BEGIN INIT INFO
# Provides:   shutdownallblades       
# Required-Start:
# Required-Stop: nfs-kernel-server
# Default-Start:     
# Default-Stop:        0 1 6
# Short-Description: Shutdown all blades
# Description:
### END INIT INFO

DHCPCONF=/etc/dhcp/dhcpd.conf
REBOOT="no"
TIMEOUT=15
ENABLE="yes"

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

. /lib/lsb/init-functions

do_stop () {

    # command
    cmd="halt"
    [ "$REBOOT" = "yes" -a ! "$(runlevel | cut -d' ' -f2)" = "0" ] && cmd="reboot"

    # stop lg6500core
    lg6500core=/opt/trc6500/script/stop_trc6500.sh
    if [ -x $lg6500core ]; then
	log_action_msg "stoping lg6500core"
        $lg6500core
    fi

    # fe306 reboot
    fe306=/opt/trc6500/script/reboot_fe306.sh
    if [ -x $fe306 ]; then
        for id in $(seq 1 6); do
            host=fe306-$id
            grep $host /etc/hosts >&/dev/null || continue
            ( ping -c 1 $host >&/dev/null && { log_action_msg "shutdowning $host"; $fe306 -i $host >&/dev/null; } ) &
        done
    fi

    # shutdown all blades
    for host in $(awk '{sub(/#.*/, "")} /host\s+trc[0-9][0-9]/ && ! /-rf/ {print $2}' $DHCPCONF); do
	grep $host /etc/hosts >&/dev/null || continue
	( ping -c 1 $host >&/dev/null && { log_action_msg "shutdowning ${host/_1}"; ssh root@$host service $cmd stop; } ) &
    done

    trap "echo 'timeout expired ($TIMEOUT)'; exit 0;" SIGVTALRM
    ( sleep $TIMEOUT; kill -SIGVTALRM $$ ) &

    wait
}

case "$1" in
    -v)
        echo "$(basename $0), version $VER"
	;;
    start)
        # No-op
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
    stop)
        do_stop
        ;;
    *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac