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#!/bin/sh
# Description: Script for preparing VirtualBox environment Diskless
# Gets a xml file, reads needed information from it and
# forwards it into B drive of VirtualBox
#
# Author(s): see project authors file
# last changes uhrig, 21/10/2008
# Copyright: (c) 2003 - 2008 - RZ Universitaet Freiburg
#
# Version: 0.0.1
#
################################################################################
################################################################################
##
## Read needed variables from XML file
##
################################################################################
xml=$1
# todo: change it! We need to mount it like vmware, but it could be the
# same
imgpath="/var/lib/vmware"
# file name of the image
imagename="${imgpath}/$(grep -i "<image_name param=\"" ${xml} | awk -F "\"" '{ print $2 }')"
imagename="${imgpath}/vbox-winxppro_20gb.vdi"
# define name for VirtualBox window. no utf8, perhaps we don't need it any
# more. else change the next two lines
#short_description=$(grep "short_description param=\"" ${xml} | sed -e "s%&.*;%; %g" | awk -F "\"" '{print $2}')
# if ${short_description} not defined use ${image_name}
#short_description=${short_description:-"${image_name}"}
#displayname=${short_description}
# Definition of the client system
#vmostype=$(grep -i "<os param=\"" ${xml} | awk -F "\"" '{ print $2 }')
# Definition of the network kind. we should only need: nat, hostif
network_kind=$(grep -i "<network param=\"" ${xml} | awk -F "\"" '{ print $2 }')
network_kind="nat"
# compatibility to vmware xml's
if [ ${network_kind} = "bridge" ]; then
network_kind="hostif"
else
# wrong configuration or nat, hostonly currently not supported, do we
# really need it?
network_kind="nat"
fi
################################################################################
##
## Prepare stuff and configure Image
##
################################################################################
# Don't use $HOME/.VirtualBox!
export VBOX_USER_HOME=/tmp/vbox-${USER}-$$
# Current ID, to make sure it won't run into conflicts if started more
# as once at the same time, else delete would make the trick...
ID=$$
# Bind Image to VirtualBox, which won't get changed
VBoxManage registerimage disk ${imagename} -type immutable
# Get ID of VBox Image...
diskuid="$(VBoxManage showvdiinfo ${imagename} |grep UUID|awk '{ print $2; }')"
# Create Image and register it, so we are able to modify and start it
VBoxManage createvm -name "${ID}" -register
################################################################################
##
## Modify VM
##
################################################################################
# Add harddisk
VBoxManage modifyvm "${ID}" -hda ${diskuid}
## check if we have enough free memory
# get memory in MB
totalmem=$(expr $(grep -i "memtotal" /proc/meminfo | awk '{print $2}') / 1024)
# calculate memory for virtualbox
mem=$(expr ${totalmem} / 100 \* 66 / 4 \* 4)
# check memory range
memtest=${totalmem}-128
if [ "${mem}" -lt "128" ] || [ "${mem}" -gt "${totalmem}" ]; then
echo "\n\n"
echo "\tYour memory is out of range: ${mem} MB."
echo "\tMin. 128 MB for host and guest!"
exit 1
fi
VBoxManage modifyvm "${ID}" -memory ${mem}
## look for cdrom, dvd and add them to the vm config file
for cdrs in /dev/cdrom*; do
if [ -L ${cdrs} ]; then
VBoxManage modifyvm "${ID}" -dvd host:${cdrs}
fi
done
# Enable hardware virtualization
VBoxManage modifyvm "${ID}" -hwvirtex on
# HDD as boot device
VBoxManage modifyvm "${ID}" -boot1 disk
# Network settings
VBoxManage modifyvm "${ID}" -nic1 ${network_kind}
#VBoxManage modifyvm "${ID}" -nictype1 Am79C970a|aM79c973|82540em
if [ "${network_kind}" = "hostif" ]; then
VBoxManage modifyvm "${ID}" -hostifdev1 eth0
fi
# Per default each virtual network card is assigned a random address by
# VBox at VM creation, due of this we can be sure that every mac is
# unique
# else we should use
#VBoxManage modifyvm "${ID}" -macaddress1 <mac>
# enable audio
VBoxManage modifyvm "${ID}" -audio oss
#TODO
#VBoxManage modifyvm "${ID}"
#VBoxManage modifyvm "${ID}" ostype <ostype>
#VBoxManage modifyvm "${ID}" vram <ram>_in_mb_of_virtual_graphic_card>
#VBoxManage modifyvm "${ID}" acpi <on|off> # acpi and i/o apic support
#VBoxManage modifyvm "${ID}" sata <on|off> # sata or ide
#VBoxManage modifyvm "${ID}" dvdpassthrough <on|off> # burn support, unstable
#VBoxManage modifyvm "${ID}" -floppy empty|uuid|filename # yes we need it
#VBoxManage modifyvm "${ID}" -floppy empty|uuid|filename # yes we need it
# adjust volume amixer -q sset Master 28 unmute 2>/dev/null
amixer -q sset PCM 28 unmute 2>/dev/null
amixer -q sset Headphone 28 unmute 2>/dev/null
amixer -q sset Front 0 mute 2>/dev/null
# start created image
VBoxManage startvm "${ID}" -type gui
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