#!/bin/bash

#
# Copyrights     : CNRS
# Author         : Oleg Lodygensky
# Acknowledgment : XtremWeb-HEP is based on XtremWeb 1.8.0 by inria : http://www.xtremweb.net/
# Web            : http://www.xtremweb-hep.org
#
#      This file is part of XtremWeb-HEP.
#
#    XtremWeb-HEP is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    XtremWeb-HEP is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with XtremWeb-HEP.  If not, see <http://www.gnu.org/licenses/>.
#
#



#  ******************************************************************
#  File    : xwcontext_epilogue
#  Date    : August 31st, 2012
#  Author  : Oleg Lodygensky
# 
#  OS      : Linux
#  Arch    : noarch
# 
#  Purpose : contextualization - final steps after boot
#            contextualization disk is mounted on /mnt/xwcontext
#            this is HEPiX compliant contextualisation epilog
#            this is based on http://grid.desy.de/vm/hepix/vwg/doc/html/start/contextualisation-principles-cern-status.shtml 
#
#  See     : ubuntu_createlivecd.sh; sl5_createlivecd.sh; sl6_createlivecd.sh; sl6_createlivecd.ks; xwcontext_prologue
#
#
# Changelog:
#              $Log: vmcontext,v $
#              Revision 1.2 2010/08/06 19:10:36 uschwick
#              add support for KVM
#
#              Revision 1.1 2009/12/03 08:15:59 uschwick
#              import initial version of vmcontext from SG
#

# chkconfig: 2345 99 2
# description: XWHEP contextualization epilog


LOGFILE=/var/log/xwcontext_epilogue.log
MNTCONTEXT=/mnt/xwcontext
MNTAPP=/mnt/app
MNTINPUT=/mnt/input
MNTRESULTS=/mnt/results
EPILOG=$MNTCONTEXT/epilog.sh

#  ******************************************************************
# start()
#  ******************************************************************
start() {

    touch $LOGFILE

    echo -n $"XWHEP contextualization epilog:                            "

    cd $MNTCONTEXT >> $LOGFILE 2>&1
    RETVAL=$?

    if [ 0 -eq $RETVAL ] ; then
        if [ -e $EPILOG ]; then
            echo "Completing contextualization" >> $LOGFILE 2>&1
#            . $EPILOG
#
# In XWHEP, users are not allowed to run as root
# We solve this, by the appropriate /etc/suders
#
            echo "Launching $EPILOG" >> $LOGFILE 2>&1
            chmod +x $EPILOG >> $LOGFILE 2>&1
            /bin/su -l vmuser bash -c $EPILOG >> $LOGFILE 2>&1
            RETVAL=$?
        else
            echo "No contextualization epilog found" >> $LOGFILE 2>&1
         	RETVAL=0
        fi
     fi

    if [ 0 -eq $RETVAL ]; then
      echo "[  OK  ]"
    else
      echo "[ FAILED ]"
    fi

	echo "RETVAL=$RETVAL" >> $LOGFILE 2>&1
    return $RETVAL
}


#  ******************************************************************
# stop()
#  ******************************************************************
stop() {
#    echo -n $"xwcontext_epilogue : unmouting context disk: "
#    umount $MNTAPP     >> $LOGFILE 2>&1
#    umount $MNTINPUT   >> $LOGFILE 2>&1
#    umount $MNTCONTEXT >> $LOGFILE 2>&1
#    umount $MNTRESULTS >> $LOGFILE 2>&1
#    RETVAL=$?
#    if [ 0 -eq $RETVAL ]; then
#      echo "[  OK  ]"
#    else
#      echo "[ FAILED ]"
#    fi
#     echo
#     return $RETVAL
    echo "xwcontext_prologue does nothing" >> $LOGFILE 2>&1
    echo "[  OK  ]"
    return 0
}


#  ******************************************************************
# main
#  ******************************************************************
case "$1" in
	start)
#   [ $running -eq 0 ] && exit 0
		start
		RETVAL=$?
		;;
	stop)
# 		[ $running -eq 0 ] || exit 0
		stop
		RETVAL=$?
		;;
	*)
		echo $"Usage: $0 {start|stop}"
		RETVAL=2
esac

exit $RETVAL