# run-virtualbox.include
#
# Copyright (c) 2009 - 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/run-virtualbox.include
# during stage3.

# include general configuration from vmchooser
. /etc/opt/openslx/run-virt.include

# 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 env and and configure Image
################################################################################

# 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=$$
# Don't use $HOME/.VirtualBox!
export VBOX_USER_HOME="/tmp/vbox-${USER}-${ID}"

# Import Image to VirtualBox, which won't get changed
VBoxManage -nologo registerimage disk ${diskfile} -type immutable

# Get ID of VBox Image...
diskuid="$(VBoxManage -nologo showvdiinfo ${diskfile} |grep UUID|awk '{ print $2; }')"
# Create Image and register it, so we are able to modify and start it
VBoxManage -nologo createvm -name "${ID}" -register

################################################################################
###
### Modify VM
###
################################################################################

## Add harddisk
VBoxManage -nologo modifyvm "${ID}" -hda ${diskuid}

## Configure VM memory
VBoxManage -nologo modifyvm "${ID}" -memory ${mem}

## Add cddrives
## TODO: merge to new version, where run-virt.include has our drives
#VBoxManage -nologo modifyvm "${ID}" -dvd host:${cdrs}

# Enable hardware virtualization
# TODO: check if CPU supports hw virtualization
#VBoxManage -nologo modifyvm "${ID}" -hwvirtex on

# HDD as boot device
VBoxManage -nologo modifyvm "${ID}" -boot1 disk

# enable audio (oss|null|none|alsa|pulse). OSS is backwardcompatible to v2.0
VBoxManage -nologo modifyvm "${ID}" -audio oss

# supress License and Message
# TODO: Not clear if we are allowed to do this
VBoxManage -nologo setextradata global "GUI/LicenseAgreed" "7"
VBoxManage -nologo setextradata global "GUI/SuppressMessages" ",remindAboutAutoCapture"
VBoxManage -nologo setextradata global "GUI/RegistrationData" "triesLeft=0"

# if we have enough memory, we can put the snapshots (changes on immutable
# disk) there
if [ -n ${snapshotdir} ]; then
    VBoxManage -nologo modifyvm "${ID}" -snapshotfolder "${snapshotdir}"
fi

# Operating system. Possible: VBoxManage -nologo list ostypes
# WindowsXP, WindowsVista, Windows7, Linux26 etc.
# keep compatibility to VMware
# Todo: maybe rewrite, to reduce checks, merge it with network option,
# so we can have a "compatibility to vmware config" section. Or include
# it into vmchooser?
if [ "${vmostype}" = "winxppro" -o "${vmostype}" = "WindowsXP" ]; then
    VBoxManage -nologo modifyvm "${ID}" -ostype "WindowsXP"
elif [ "${vmostype}" = "winvista" -o "${vmostype}" = "WindowsVista" ]; then
    VBoxManage -nologo modifyvm "${ID}" -ostype "WindowsVista"
elif [ "${vmostype}" = "Windows7" ]; then
    VBoxManage -nologo modifyvm "${ID}" -ostype "Windows7"
elif [ "${vmostype}" = "linux" -o "${vmostype}" = "Linux26" ]; then
    VBoxManage -nologo modifyvm "${ID}" -ostype "Linux26"
elif [ -n "${vmostype}" ]; then
    VBoxManage -nologo modifyvm "${ID}" -ostype "${vmostype}"
fi


# Network Configuration
# only bridge differes to vmware. Compatibility option
if [ "${network_kind}" = "bridge" ]; then
	network_kind="bridged"
fi
VBoxManage -nologo modifyvm "${ID}" -nic1 "${network_kind}"
if [ "${network_kind}" = "bridged" ]; then
    VBoxManage -nologo modifyvm "${ID}" -bridgeadapter1 "eth1"
fi
if [ "${network_kind}" = "hostonly" ]; then
    VBoxManage -nologo modifyvm "${ID}" -hostonlyadapter1 "vboxnet0"
fi

# modify macaddress
mac=$(echo ${mac}|sed 's/://') # ${mac/:/}
VBoxManage -nologo modifyvm "${ID}" -macaddress1 "0050560D${mac}"


# usb configuration
# not available in free -ose version
#VBoxManage -nologo modifyvm "${ID}" -usb on
#VBoxManage -nologo modifyvm "${ID}" -usbehci on


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

# set the variables appropriately (several interfaces with different names)
#VIRTCMD=$(which virtualbox 2>/dev/null)
VIRTCMD=$(which VBoxManage -nologo 2>/dev/null)
VIRTCMDOPTS="startvm ${ID} -type gui"

# todo: for debugging purpose during development
echo "\n  export VBOX_USER_HOME=\"/tmp/vbox-${USER}-${ID}\""
echo "  VBoxManage -nologo $VIRTCMDOPTS\n\n"