# run-virtualbox.include
#
# Copyright (c) 2009, 2010 - 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
#
# Include script for running the Virtual Box on an OpenSLX client via the
# run-virt.sh. The stuff is copied to /etc/opt/openslx/virtualbox/run-
# virtualbox.include during stage3.

################################################################################
### General settings
################################################################################

# include general configuration from vmchooser
. /etc/opt/openslx/plugins/virtualbox/virtualbox.conf

# Current ID, to make sure it won't run into conflicts if started more
# as once at the same time, else delete would make the trick...
ID=$$
machname="$(basename ${diskfile})"
machname=${machname%.*}
# use alternate configuration directory instead of $HOME/.VirtualBox
export VBOX_USER_HOME="/tmp/vbox-${USER}"
rm -rf ${VBOX_USER_HOME}/* /tmp/.vbox-${USER}-ipc
machfolder="${VBOX_USER_HOME}/Machines"
machconfig="${machfolder}/${machname}/${machname}.xml"
diskfolder="${VBOX_USER_HOME}/HardDisks"
mkdir -p ${machfolder}/${machname}/Snapshots ${diskfolder}
ln -sf ${diskfile} ${diskfolder}/${machname}.vdi
# Get ID of VBox Image...
diskuid="$(VBoxManage -nologo showvdiinfo ${diskfile} |grep UUID|awk '{ print $2; }')"
# produce proper mac address format
mac="0050560d$(echo ${mac}|sed 's/://;y/ABCDEF/abcdef/')"
date="$(date +%Y-%m-%dT%H:%M:%SZ)"

# Operating system. Possible: VBoxManage -nologo list ostypes: WindowsXP,
# WindowsVista, Windows7, Linux26 etc.
# keeps compatibility to vmware plugin run-virt.include
# Todo: maybe rewrite, to reduce checks, merge it with network option,
# so we can have a "compatibility to vmware config" section
if [ "${vmostype}" = "winxppro" ]; then vmostype="WindowsXP"
elif [ "${vmostype}" = "winvista" ]; then vmostype="WindowsVista"
elif [ "${vmostype}" = "Windows7" ]; then vmostype="Windows7"
elif [ "${vmostype}" = "linux" ]; then vmostype="Linux26"
elif [ -n "${vmostype}" ]; then vmostype="${vmostype}"
fi
# translate network kinds (nat, bridged, host-only)
if [ "${network_kind}" = "nat" ]; then network_kind="NAT"
elif [ "${network_kind}" = "bridged" ]; then network_kind=""
elif [ "${network_kind}" = "host-only" ]; then network_kind=""
fi

# memory part equal to vmware plugin
# percentage of memory to use for virtualbox in standard case
permem=30
if [ "${totalmem}" -ge "1600" ]; then
  permem=40
fi
# check if /tmp is on harddisk
if grep -qe "/dev/.* /tmp " /proc/mounts ; then
  permem=60
  id44="1"
  # Hack, if more than 2,5G RAM use 40% of Ram and write vmem into Ram as well
  # (40% vmware | 40% confdir(vmem...) | 20% host
  # VMplayer 2+ issue
  if [ "${totalmem}" -ge "2500" ]; then
    permem=40
    #mkdir /dev/shm/vbox/${USER}
    snapshotdir=/dev/shm/vbox/$USER
  fi
fi
mem=$(expr ${totalmem} / 100 \* ${permem})
if [ "${id44}" = "1" ]; then
  memhost=$(expr ${totalmem} - ${mem})
else
  memhost=$(expr ${totalmem} - ${mem} - ${mem})
fi

#permem=40
#mem=$(expr ${totalmem} * ${permem})

if [ "${mem}" -lt "256" ] || [ "${memhost}" -lt "256" ]; then
  writelog "\tMemory out of range: ${mem} MB (guest) / ${memhost} MB (host)!"
  writelog "\tMin. 256 MB for host and guest!"
  exit 1
fi

# most of the following does not make much sense yet ...
#
# virtual fd/cd/dvd and drive devices, floppy b: for configuration
# if $floppy_0 from run-virt.include set then fdtest="TRUE"
fdtest=
fdtest=${floppy_0:+"TRUE"}
# if $fdtest not set floppy0="FALSE", else "TRUE"
floppy0=${fdtest:-"FALSE"}
floppy1="TRUE"
floppy1name="/var/lib/virt/vmchooser/loopimg/fd.img"
# if $cdrom_0 from run-virt.include set then cdtest="TRUE"
cdtest=
cdtest=${cdrom_0:+"TRUE"}
# if $cdtest not set cdrom0="FALSE", else "TRUE"
cdrom0=${cdtest:-"FALSE"}
# if $cdrom_1 from run-virt.include set then cdtest="TRUE"
cdtest=
cdtest=${cdrom_1:+"TRUE"}
# if $cdtest not set cdrom1="FALSE", else "TRUE"
cdrom1=${cdtest:-"FALSE"}
# ide is expected default, test for the virtual disk image type should
# be done while creating the runscripts ...
ide="TRUE"
hddrv="ide"


################################################################################
### Pepare and configure virtual machine and disk image
################################################################################

# produce the machine configuration XML
sed -e "s,MACHINE,${machname},g;s,OSTYPE,${vmostype},;s,MEMSIZE,${mem}," \
    -e "s,DISKUID,${diskuid},;s,MACADDR,${mac},;s,DATE,${date}," \
    -e "s,NETTYPE,${network_kind},;s,OPTDEVICE,/dev/sr0," \
    /etc/opt/openslx/plugins/virtualbox/MachineTemplate.xml \
   >${machconfig}

# shortened date YYYY-MM-DD
date=${date%T*}
# produce the general and containers configuration file
sed -e "s,DISKUID,${diskuid},;s,FD1NAME,${floppy1name},;s,DATE,${date}," \
    -e "s,DISKFILE,${diskfolder}/${machname}.vdi,;s,MACHINE,${machname},g;s,MACADDR,${mac}," \
    -e "s,MACHFOLDER,${machfolder},;s,DISKFOLDER,${diskfolder}," \
    /etc/opt/openslx/plugins/virtualbox/VirtualBox.xml \
   >${VBOX_USER_HOME}/VirtualBox.xml

cat /opt/openslx/plugin-repo/virtualbox/empty-diff.vdi.gz | \
  gunzip >${machfolder}/${machname}/Snapshots/{88bc8b6d-f248-468a-95fe-318084904f8b}.vdi


#<DHCPServers>\t<DHCPServer\
#  networkName=\"HostInterfaceNetworking-vboxnet0\" IPAddress=\"192.168.56.100\"\
#  networkMask=\"255.255.255.0\" lowerIP=\"192.168.56.101\"\
#  upperIP=\"192.168.56.254\" enabled=\"1\"/>      </DHCPServers>

# finally set env for run-virt.sh
################################################################################

# wait for a certain command to settle
while [ TRUE ] ; do
  ps aux|grep -v grep|grep -q VBoxSVC || break
done
# set the variables appropriately (several interfaces with different names)
VIRTCMD=$(which VirtualBox 2>/dev/null)
VIRTCMDOPTS="--startvm 00000000-1111-2222-3456-${mac} --start-running"