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# Copyright (c) 2009..2010 - RZ Uni Freiburg
# Copyright (c) 2009..2012 - OpenSLX GmbH
#
# This program/file is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# script is included from init via the "." load function - thus it has all
# variables and functions available

# include default directories
. /etc/openslx.conf

CONFFILE=/initramfs/plugin-conf/virtualbox.conf
PLUGINCONFDIR=/mnt/${OPENSLX_DEFAULT_CONFDIR}/plugins/virtualbox
PLUGINDIR=/mnt/${OPENSLX_DEFAULT_DIR}/plugin-repo/virtualbox
VIRTDIR=/mnt/${OPENSLX_DEFAULT_VIRTDIR}/virtualbox

# check if the configuration file is available
if [ -e ${CONFFILE} ]; then

  # load needed variables
  . ${CONFFILE}

  # Test if this plugin is activated... more or less useless with the
  # new plugin system
  if [ $virtualbox_active -ne 0 2>/dev/null ]; then

    [ $DEBUGLEVEL -gt 0 ] && echo "executing the 'virtualbox' os-plugin ...";

    # load general configuration
    . /etc/initramfs-setup

    # get source of virtualbox image server (get type, server and path)
    if strinstr "/" "${virtualbox_imagesrc}" ; then
      vbimgprot=$(uri_token ${virtualbox_imagesrc} prot)
      vbimgserv=$(uri_token ${virtualbox_imagesrc} server)
      vbimgpath="$(uri_token ${virtualbox_imagesrc} path)"
    fi
    if [ -n "${vbimgserv}" ] ; then
      # directory where qemu images are expected in
      mnttarget=${VIRTDIR}
      # mount the virtualbox image source readonly (ro)
      fsmount ${vbimgprot} ${vbimgserv} ${vbimgpath} ${mnttarget} ro
    else
      [ $DEBUGLEVEL -gt 1 ] && \
        error "  * Incomplete information in variable ${virtualbox_imagesrc}." \
        nonfatal
    fi

    # copy virtualization include files to config dir
    testmkd ${PLUGINCONFDIR}
    cp ${PLUGINDIR}/*.include ${PLUGINCONFDIR}
    # copy ${CONFFILE} to ${PLUGINCONFDIR} just in case
    cp ${CONFFILE} ${PLUGINCONFDIR}

#    # TODO: create rawdisk if requested
#    # create raw disk
#    for part in $(grep -qE " 44 | 45 " /etc/disk.partition); do
#      case "${part}" in
#        * 45 *)
#          id4x=$(grep " 45 " /etc/disk.partition | grep -E " 44 | 45 " \
#                 | awk '{print $1}' | cut -c -8)
#          break
#        ;;
#        * 44 *)
#          id4x=$(grep " 44 " /etc/disk.partition | grep -E " 44 | 45 " \
#                 | awk '{print $1}' | cut -c -8)
#          break
#        ;;
#      esac
#      if [ -n "${id4x}" ]; then
#        mount --bind /dev /mnt/dev
#        chroot /mnt VBoxManage -q internalcommands createrawvmdk -filename \
#        ${OPENSLX_DEFAULT_CONFDIR}/plugins/virtualbox/raw.vmdk -rawdisk ${id4x}
#        chmod 777 ${OPENSLX_DEFAULT_CONFDIR}/plugins/virtualbox/raw.vmdk
#        umount -f /mnt/dev 2>/dev/null
#      fi

    # copy and activate init file
    cp ${PLUGINDIR}/vbox-slx /mnt/etc/init.d/
    chmod 755 /mnt/etc/init.d/vbox-slx
    rllinker "vbox-slx" 20 2

    mknod -m 0660 /dev/vboxdrv c 10 59
    chown root:vboxusers /dev/vboxdrv

    # setting the base samba configuration
    if [ -f /mnt/opt/openslx/plugin-repo/vmchooser/smb.conf \
         -a -f /mnt/usr/sbin/smbd ] ; then
      sed -e "s,NWIF,vboxnet0,;s,PIDDIR,/var/run/vbox," \
        /mnt/opt/openslx/plugin-repo/vmchooser/smb.conf \
        >/mnt/etc/vbox/smb.conf
      testmkd /mnt/var/log/samba
    fi

    # finished ...
    [ $DEBUGLEVEL -gt 0 ] && echo "done with 'virtualbox' os-plugin ..."
  fi
else
  [ $DEBUGLEVEL -gt 0 ] \
    && echo "  * Configuration of 'virtualbox' plugin failed"
fi