From 3ba5a58e5b04b771e6ee99ee6d6f772991c1c236 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Fri, 2 Aug 2013 17:27:28 +0200
Subject: [vmchooser] moved all vmchooser specific files and scripts to
 /opt/openslx. Renamed 'var/lib/virt' to 'mnt/vmstore'. Added bwlehrpool theme
 for vmchooser#

---
 .../vmchooser/data/opt/openslx/scripts/run-virt.sh | 466 ---------------------
 .../opt/openslx/scripts/systemd-mount_vm_store     |   6 +-
 .../data/opt/openslx/scripts/systemd-vmchooser_env | 112 +++++
 .../data/opt/openslx/scripts/vmchooser-run_virt    | 464 ++++++++++++++++++++
 .../data/opt/openslx/scripts/vmchooser-xml_filter  |  64 +++
 5 files changed, 642 insertions(+), 470 deletions(-)
 delete mode 100755 remote/modules/vmchooser/data/opt/openslx/scripts/run-virt.sh
 create mode 100755 remote/modules/vmchooser/data/opt/openslx/scripts/systemd-vmchooser_env
 create mode 100755 remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-run_virt
 create mode 100755 remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-xml_filter

(limited to 'remote/modules/vmchooser/data/opt/openslx/scripts')

diff --git a/remote/modules/vmchooser/data/opt/openslx/scripts/run-virt.sh b/remote/modules/vmchooser/data/opt/openslx/scripts/run-virt.sh
deleted file mode 100755
index 473dfbc7..00000000
--- a/remote/modules/vmchooser/data/opt/openslx/scripts/run-virt.sh
+++ /dev/null
@@ -1,466 +0,0 @@
-#!/bin/bash
-# -----------------------------------------------------------------------------
-# Copyright (c) 2007..2010 - RZ Uni FR
-# Copyright (c) 2007..2011 - OpenSLX GmbH
-#
-# This program 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 suggestions, praise, or complaints to feedback@openslx.org
-#
-# General information about OpenSLX can be found at http://openslx.org/
-# -----------------------------------------------------------------------------
-# run-virt.sh
-#    - This is the generic wrapper for the several virtualization solutions.
-#      The idea is to setup a set of variables used by at least two different
-#      tools and then include the specific plugin which configures the speci-
-#      fied virtualization tool.
-################################################################################
-
-################################################################################
-### Define default dirs / get configs
-################################################################################
-
-PLUGINCONFROOT=/etc/opt/openslx/plugins
-PLUGINCONFDIR=/etc/opt/openslx/plugins/vmchooser
-# include general configuration from vmchooser
-[ -f /etc/openslx/vmchooser/vmchooser.conf ] && \
-. /etc/openslx/vmchooser/vmchooser.conf
-# load general virtualization information
-[ -f /etc/openslx/vmchooser/virtualization.conf ] && \
-. /etc/openslx/vmchooser/virtualization.conf
-
-################################################################################
-### Functions used throughout the script
-################################################################################
-
-# function to write to stdout and logfile
-LOGFILE=/var/log/openslx/run-virt.${USER}.$$.log
-writelog () {
-	# write to stdout
-	echo -e "$1"
-	# log into file
-	echo -e "$1" >> ${LOGFILE}
-}
-
-# remove config dirs when exit
-cleanexit () {
-	if echo "${RMDIRS}" 2>/dev/null | grep -q ${xmlvirt}; then
-		writelog "${xmlvirt} exited. Cleanning up... \c"
-		rm -rf ${RMDIRS} >/dev/null 2>&1
-		writelog "done"
-	fi
-	
-	exit "$1"
-}
-
-# check for important files used
-filecheck ()
-{
-	filecheck=$(LANG=us ls -lh ${diskfile} 2>&1)
-	writelog "Filecheck:\n${filecheck}\n"
-	noimage=$(echo ${filecheck} | grep -i "no such file or directory" | wc -l)
-	rightsfile=${diskfile}
-	
-	# check if link
-	if [ -L "${diskfile}" ]; then
-		# take link target
-		rightsfile=$(ls -lh ${diskfile} 2>&1 | awk -F '-> *' '{print $2}')
-		rightsfile=${vmdir}/${rightsfile}
-		filecheck=$(LANG=us ls -lh ${rightsfile} 2>&1)
-	fi
-	
-	# does file exist
-	if [ "${noimage}" -ge "1" ]; then
-		writelog "Virtual Machine Image Problem:\c "
-		writelog "\tThe image you've specified doesn't exist."
-		writelog "Filecheck says:\c "
-		writelog "\t\t${diskfile}:\n\t\t\tNo such file or directory"
-		writelog "Hint:\c "
-		writelog "\t\t\tCompare spelling of the image with your options.\n"
-		exit 1
-	fi
-	
-	# readable by calling user
-	if ! [ -r "${diskfile}" >/dev/null 2>&1 \
-		-o -r "${diskfile}" >/dev/null 2>&1 ]; then
-		writelog "Vmware Image Problem:\c "
-		writelog "\tThe image you've specified has wrong rights."
-		writelog "Filecheck says:\t\t$(echo ${filecheck} \
-		| awk '{print $1" "$3" "$4}') ${rightsfile}"
-		writelog "Hint:\t\t\tChange rights with: chmod a+r ${rightsfile}\n"
-		exit 1
-	fi
-	
-	# writable (for persistent-mode)?
-	if ! [ -w "${diskfile}" >/dev/null 2>&1 \
-	-o -w "${diskfile}" >/dev/null 2>&1 ] \
-	&& [ "${np}" = "independent-persistent" ]; then
-		writelog "Vmware Image Problem:\c "
-		writelog "\tThe image you have specified has wrong rights."
-		writelog "Filecheck says:\t\t$(echo ${filecheck} \
-		| awk '{print $1" "$3" "$4}') ${rightsfile}"
-		writelog "Hint:\t\t\tUse nonpersistent-mode or change rights to rw\n"
-		exit 1
-	fi
-}
-
-################################################################################
-### Get XML file and dir
-################################################################################
-
-## Added for persistent support.
-diskmode='nonpersistent'
-xmlfile="$1"
-if [[ "$(grep --extended-regexp '< *persistent *param=".+"' "$xmlfile")" ]]; then
-	imageFilePath="$(grep -io '<image_name param=.*"' "$xmlfile" | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')"
-	diskmode='persistent'
-	# TODO path shouldn't be hardcoded.
-	xmlfile="$(basename "$imageFilePath" | sed 's/vmdk$/xml/g;s/-persistent//g')"
-	# NOTE: We have to make sure that this folder is present to prevent
-	# getting an empty string by "readlink".
-	mkdir --parents ~/.persistentVirtualMachines/
-	userBranchFilePath="$(readlink --canonicalize ~/.persistentVirtualMachines/$(basename "$imageFilePath"))"
-	# Create linked clone if not exists.
-	if [ ! -f "$userBranchFilePath" ]; then
-		# TODO path shouldn't be hardcoded.
-		/opt/openslx/plugin-repo/vmchooser/clc.bash "$xmlfile" "$userBranchFilePath" --debug --verbose
-	fi
-fi
-##
-
-# absolute or relative path?
-if ls "${xmlfile}" 2>/dev/null | grep '/' >/dev/null 2>&1; then
-	xmlpath=$(dirname "${xmlfile}")
-	xmlfile=$(basename "${xmlfile}")
-else
-	xmlpath=${vmchooser_xmlpath}
-fi
-# full path
-xmlfile="${xmlpath}/${xmlfile%.xml}.xml"
-
-DO_PROFILE="$(grep -c -E -i '<\s*profile\s*param="?(true|yes)"?' "$xmlfile")"
-
-################################################################################
-### Sanity checks
-################################################################################
-
-# test if the xml file is valid
-if ! [ -r "${xmlfile}" ]; then
-	writelog "${xmlfile} not a readable XML file!"
-	exit 1
-fi
-
-# test if XML file
-if ! grep '<?xml' "${xmlfile}" >/dev/null 2>&1; then
-	writelog "Submitted configuration file ${xmlfile} seems to have wrong XML format"
-	exit 1
-fi
-
-# check for running in graphical environment otherwise no much use here
-[ -z "$DISPLAY" ] && echo -e "\n\tStart only within a graphical desktop!\n" \
-&& exit 1
-
-################################################################################
-###  Logo for console
-################################################################################
-
-cat <<EOL
-                                             __        __   
-                .----.--.--.-----.___.--.--.|__|.----.|  |_ 
-                |   _|  |  |     |___|  |  ||  ||   _||   _|
-                |__| |_____|__|__|    \___/ |__||__|  |____|
-          OpenSLX virtual machine environment preparation script ...
-
-EOL
-
-################################################################################
-### Read needed variables from XML file
-################################################################################
-
-writelog "Starting configuration..."
-writelog "\tLogfile:\t\t${LOGFILE}"
-writelog "\t/tmp info:\t\t$(df -h | grep " /tmp$" | awk '{print $2}') \c"
-writelog "$(grep "/tmp " /proc/mounts | awk '{print $1" "$2" "$3" "$4}')"
-writelog "\tVM XML dir:\t\t$(dirname "${xmlfile}")"
-writelog "\tXML file:\t\t${xmlfile}"
-writelog "VM config:"
-
-# Name of the virt image
-imgname=$(grep -io '<image_name param=.*"' "${xmlfile}" \
-| sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
-## Added for persistent support.
-if [[ "$userBranchFilePath" ]]; then
-	imgname="$userBranchFilePath"
-fi
-##
-
-# Imagename /w full path
-if echo "${imgname}" 2>/dev/null | grep -q '^/' >/dev/null 2>&1; then
-	imgpath="$(dirname "${imgname}")"
-	imgname="$(basename "${imgname}")"
-	vmpath="${imgpath}/${imgname}"
-	# If old vmchooser binary stuff
-	# We do not need folder name as it is already included by vmchooser
-	elif echo "${xmlfile}" 2>/dev/null | grep -q '^/tmp/' >/dev/null 2>&1; then
-	vmpath="$imgname"
-	imgname="$(basename "${imgname}")"
-	## Added for persistent support.
-	elif [[ "$userBranchFilePath" ]]; then
-	vmpath="$userBranchFilePath"
-	##
-	# Else use same path as xml
-else
-	imgpath="${xmlpath}"
-	vmpath="${imgpath}/${imgname}"
-fi
-
-# Check if virtual machine container file exists
-if ! [ -e "${vmpath}" ]; then
-	writelog "Virtual machine image ${vmpath} not found!"
-	exit 1
-fi
-
-# Name of the virt machine, sed because of Windows formatting
-vm_name=$(grep -o 'short_description param=.*"' "${xmlfile}" \
-| sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
-# If ${vm_name} not defined use ${xmlfile}
-vm_name="${vm_name:-${xmlfile%.xml}}"
-
-# Define vm_shortname since vm_name can be very long
-vm_shortname="$(basename "${xmlfile%.xml}" | sed -e "s, ,-,g")"
-
-# vm_name = displayname, define for old scripts
-displayname="${vm_name}"
-
-# image is for the following virtual machine
-xmlvirt=$(grep -o 'virtualmachine param=.*"' "${xmlfile}" \
-| sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
-
-# choose the proper virtualization/emulator plugin
-[ "x${xmlvirt}" != "x" -a "x${xmlvirt}" != "xqemukvm" -a \
-"x${xmlvirt}" != "xvirtualbox" -a "x${xmlvirt}" != "xvmware" ] && \
-xmlvirt="emufe"
-
-# make a guess from the filename extension if ${xmlvirt} is empty
-# (not set within the XML file)
-# TODO: implement possibility to submit own configuration files
-if [ -z "${xmlvirt}" ] && [ -n "${additional_config}" ]; then
-	writelog "No virtual machine parameter defined in ${xmlfile}"
-	writelog "Trying to guess VM...\c"
-	case "$(cat ${additional_config} | tr \"[A-Z]\" \"[a-z]\")" in
-		*config.version*|*virtualhw.version*|*independent-nonpersistent*|*vmdk*)
-			xmlvirt="vmware"
-		;;
-		*innotek*|*virtualbox*)
-			xmlvirt="virtualbox"
-		;;
-		*qemu*|*kvm*)
-			xmlvirt="qemukvm"
-		;;
-		*)
-			xmlvirt="none"
-		;;
-	esac
-	elif [ -z "${xmlvirt}" ]; then
-	case "$(echo ${imgname##*.} | tr \"[A-Z]\" \"[a-z]\")" in
-		vmdk)
-			xmlvirt="vmware"
-		;;
-		vbox|vdi)
-			xmlvirt="virtualbox"
-		;;
-		qcow*)
-			xmlvirt="qemukvm"
-		;;
-		*)
-			xmlvirt="emufe"
-		;;
-	esac
-	writelog "result:\t${xmlvirt}"
-fi
-
-# Definition of the client system
-vmostype=$(grep -io '<os param=.*"' "${xmlfile}" | awk -F '"' '{ print $2 }' |\
-tr "[A-Z]" "[a-z]")
-
-# Definition of the networking the client system is connected to
-network_kind=$(grep -io '<network param=.*"' "${xmlfile}" \
-| awk -F '"' '{ print $2 }' | tr "[A-Z]" "[a-z]")
-network_card=$(grep -io '<netcard param=.*"' "${xmlfile}" \
-| awk -F '"' '{ print $2 }'| tr "[A-Z]" "[a-z]")
-
-# Set redirects to 0, see vmgrid if you want to define some
-redirects=0
-
-# Serial/parallel ports defined (e.g. "ttyS0" or "autodetect")
-serial=$(grep -io '<serialport param=.*"' "${xmlfile}" \
-| awk -F '"' '{ print $2 }')
-parallel=$(grep -io '<parport param=.*"' "${xmlfile}" \
-| awk -F '"' '{ print $2 }')
-
-writelog "\tVirtualization:\t\t$xmlvirt"
-writelog "\tVM name:\t\t$vm_name"
-writelog "\tVM short name:\t\t$vm_shortname"
-
-###############################################################################
-### Declaration of default variables
-###############################################################################
-
-# VM-ID static (00)
-VM_ID="00"
-# take last two digits of current pid...
-VM_ID=$(expr substr $$ $(expr ${#$} - 1) 2)
-
-# Make sure cpu_cores is not empty
-cpu_cores=${cpu_cores:-"1"}
-
-# Amount of memory for the VM. Be generous if diff is written to HDD
-if mount | grep -q '^/dev/sd.*on.*/tmp'; then
-	reserve=16
-	min=550
-	max=1024
-else
-	reserve=65
-	min=768
-	max=8192
-fi
-
-# Calculate absulute amount of RAM that should stay available to the host
-reserve="$[ ( $totalmem * $reserve ) / 100 ]"
-# Respect some upper and lower bounds for the host amount
-[ "$reserve" -lt "$min" ] && reserve="$min"
-[ "$reserve" -gt "$max" ] && reserve="$max"
-
-# Get a result which can be divided by 4
-mem="$[ ( ( $totalmem - $reserve ) / 4 ) * 4 ]"
-if [ -n "$mainvirtmem" ]; then
-	forcemem="$[ "$mainvirtmem" / 4 * 4 ]"
-	mem="$forcemem"
-fi
-hostmem="$[ $totalmem - $mem ]"
-
-# Configuring ethernet mac address: first 3 bytes are fixed (00:50:56)
-# 4th byte is the VM-ID (0D)
-# last two bytes are taken from the bridge of the host
-# define one MAC per guest
-macguestpart="00:50:56:${VM_ID}"
-machostpart=$(echo ${hostmacaddr} | awk -F ":" '{print $(NF-1)":"$NF}')
-macaddr=$(echo "${macguestpart}:${machostpart}" | tr "[a-z]" "[A-Z]")
-
-# 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="/etc/openslx/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"
-scsi="FALSE"
-hddrv="ide"
-audio="true"
-remotedesktopport="590${VM_ID}"
-
-
-# Enable 3D
-enable3d=$(grep -i "<enable3d param=.*" ${xmlfile} 2>/dev/null | \
-awk -F '=' {'print $2'} | tr "[A-Z]" "[a-z]")
-
-# Add rw share
-sharepath="${HOME}"
-sharename="home"
-
-# Set hostname: using original hostname and adding string
-hostname="virt-$(hostname)"
-
-writelog "\tVM Hostname:\t\t$hostname"
-
-################################################################################
-### Setup the rest of the environment and run the configured vm
-################################################################################
-# 8086:1e20
-if lspci -n | grep -E -i '8086:1e20( |$)'; then
-	VOL="100%" # bwPC 4: Speaker too quiet :-(
-else
-	VOL="80%"
-fi
-# Adjust sound volume
-#writelog "Unmuting sound...\c "
-amixer -q sset Master "$VOL" unmute 2>/dev/null
-amixer -q sset PCM "$VOL" unmute 2>/dev/null
-amixer -q sset CD "$VOL" unmute 2>/dev/null
-amixer -q sset Headphone "$VOL" unmute 2>/dev/null
-amixer -q sset Front "$VOL" unmute 2>/dev/null      # in SUSE 11.0 it's headphone
-amixer -q sset Speaker "$VOL" unmute 2>/dev/null       # annoying built-in speaker
-#writelog "finished\n"
-
-# Load kvm modules
-if [ "$vtflag" = "1" -a -n "$kvm_module" ]; then
-	modprobe "$kvm_module"
-fi
-
-# Copy guest configuration (with added information) config.xml to be accessed
-# via virtual floppy
-cp "$xmlfile" "/etc/openslx/vmchooser/fd-loop/config.xml"
-# Add another file with resolution information
-xrandr | grep -o -E 'current\s*[0-9]+\s*x\s*[0-9]+' | cut -c 8- | sed -r 's/(\s|\t|\n)//g' | head -n 1 > "/etc/openslx/vmchooser/fd-loop/hostres.txt"
-
-# Get all virtual machine specific stuff from the respective include file
-if [ -e /etc/openslx/"${xmlvirt}"/run-virt.include ] ; then
-	self="${xmlvirt}"
-	. /etc/openslx/"${xmlvirt}"/run-virt.include
-	# start a windowmanager for easier handling
-	# (expect problems /w windows opening in background /w vmware without wm)
-	for dm in twm xfwm4 metacity openbox blackbox kwin fvwm2 ; do
-		if which $dm >/dev/null 2>&1 ; then
-			if [ "$dm" = "fvwm2" ] ; then
-				echo "EdgeScroll 0 0" > ${redodir}/fvwm
-				fvwm2 -f ${redodir}/fvwm >/dev/null 2>&1 &
-			else
-				$dm >/dev/null 2>&1 &
-			fi
-			break
-		fi
-	done
-	# Start poolvideoswitch if we find the autostarter file
-	#if [ -e /etc/xdg/autostart/pvsgui.desktop ]; then
-	#  /usr/local/bin/pvsgui -p 2 -b >/dev/null 2>&1 &
-	#fi
-	if [[ "$DO_PROFILE" -ge "1" ]]; then
-		wget "http://132.230.8.113/profile/do.php?action=start"
-	fi
-	eval ${VIRTCMD} ${VIRTCMDOPTS}
-	writelog "Bye."
-	
-	# Postrun for commands after virtualization finishes
-	if [ -n "${POSTRUN}" ]; then
-		eval ${POSTRUN}  >/dev/null 2>&1
-	fi
-	
-	cleanexit 0
-else
-	writelog "Failed because of missing ${xmlvirt} plugin."
-	cleanexit 1
-fi
-
-# Postrun for commands after virtualization finishes
-if [ -n "${POSTRUN}" ]; then
-	eval ${POSTRUN}  >/dev/null 2>&1
-fi
-
-cleanexit 0
-exit 0
diff --git a/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-mount_vm_store b/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-mount_vm_store
index 27a8f55c..75af39fe 100755
--- a/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-mount_vm_store
+++ b/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-mount_vm_store
@@ -2,7 +2,5 @@
 
 . /opt/openslx/config || exit 1
 
-export PATH="$PATH:/opt/openslx/bin:/opt/openslx/usr/bin:/opt/openslx/sbin:/opt/openslx/usr/sbin"
-
-mkdir -p /var/lib/virt
-mount -t nfs -o ro,async,nolock,vers=3 "$SLX_VM_NFS" /var/lib/virt
+mkdir -p /mnt/vmstore
+mount -t nfs -o ro,async,nolock,vers=3 "$SLX_VM_NFS" /mnt/vmstore
diff --git a/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-vmchooser_env b/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-vmchooser_env
new file mode 100755
index 00000000..50eace20
--- /dev/null
+++ b/remote/modules/vmchooser/data/opt/openslx/scripts/systemd-vmchooser_env
@@ -0,0 +1,112 @@
+#!/bin/sh
+
+export PATH=$PATH:/opt/openslx/bin:/opt/openslx/sbin:/opt/openslx/usr/bin:/opt/openslx/usr/sbin
+
+#source config file with vars (e.g. ipaddr, macaddr, hostname)
+. /opt/openslx/config
+
+#from plugins/vmchooser/40-started-hw-config/run-virt.sh
+#TODO: extra systemd-service for hwinfo
+hwinfo --cdrom | grep -i "Device File:" | awk {'print $3'} >/etc/openslx/hwinfo.cdrom  
+hwinfo --floppy | grep -i "Device File:" | awk {'print $3'} >/etc/openslx/hwinfo.floppy 
+
+#from plugins/vmchooser/XX_vmchooser.sh
+VMCHOOSER_CONF_DIR=/opt/openslx/etc/vmchooser
+
+mkdir -p ${VMCHOOSER_CONF_DIR}/loopimg
+mkdir -p ${VMCHOOSER_CONF_DIR}/fd-loop -m 1777
+
+# mount a clean tempfs (bug in UnionFS prevents loopmount to work)
+grep -qE "unionfs |aufs " /proc/mounts && \
+mount -n -o size=1500k -t tmpfs vm-loopimg ${VMCHOOSER_CONF_DIR}/loopimg
+
+# create an empty floppy image of 1.4MByte size
+dd if=/dev/zero of=${VMCHOOSER_CONF_DIR}/loopimg/fd.img count=2880 bs=512 2>/dev/null
+chmod 0777 ${VMCHOOSER_CONF_DIR}/loopimg/fd.img
+
+# use dos formatter copied into stage3
+mkdosfs ${VMCHOOSER_CONF_DIR}/loopimg/fd.img >/dev/null 2>&1 #|| error
+mount -n -t msdos -o loop,umask=000 ${VMCHOOSER_CONF_DIR}/loopimg/fd.img \
+      ${VMCHOOSER_CONF_DIR}/fd-loop
+
+#pvs integration    
+#if [ $vmchooser_pvs -ne 0 ]; then
+#	sed -i /usr/share/xsessions/default.desktop \
+#            -e "s,vmchooser$,vmchooser --pvs,"
+#fi
+
+# setup more scratch space for virtual machines, if configured
+mkdir -p /tmp/virt
+mkdir -p /var/log/samba
+
+# enable normal users to setup the extended virtual machine redo file space
+# and image source via network block device (NBD only at the moment)
+# allow to start/stop samba on virtual devices (latter one ignores multiple
+# independent daemons) 
+
+#cat >> /mnt/etc/sudoers << EOF
+# allow to start and stop the special /tmp redo file space (RAM + NBD/NFS server RAID)
+#ALL ALL=NOPASSWD: /sbin/losetup /dev/loop* 
+#ALL ALL=NOPASSWD: /sbin/mdadm -C /dev/md0 -l linear --raid-devices=2 /dev/loop* /dev/*
+#ALL ALL=NOPASSWD: /opt/openslx/rootfs/usr/sbin/nbd-client * * /dev/nbd*
+# allow to configure and start/stop samba services
+#ALL ALL=NOPASSWD: /opt/openslx/rootfs/bin/sed -i /etc/*/smb.conf -e *
+#ALL ALL=NOPASSWD: /usr/sbin/nmbd -s /etc/*/smb.conf
+#ALL ALL=NOPASSWD: /usr/sbin/smbd -s /etc/*/smb.conf
+#ALL ALL=NOPASSWD: /opt/openslx/rootfs/usr/bin/killall nmbd smbd
+#EOF
+
+#from plugins/vmchooser/80-after-plugins/virtualization.sh
+
+# change free mem
+mem_free=$(grep -i "^memfree:" /proc/meminfo | awk '{print $2}')
+mem_cached=$(grep -i "^cached:" /proc/meminfo | awk '{print $2}')
+mem_swapcached=$(grep -i "^swapcached:" /proc/meminfo | awk '{print $2}')
+[ -z "$mem_free" ] && mem_free="2048000"
+[ -z "$mem_cached" ] && mem_cached="0"
+[ -z "$mem_swapcached" ] && mem_swapcached="0"
+totalmem="$[ ( $mem_free + $mem_cached + $mem_swapcached ) / 1024 ]"
+echo "totalmem=${totalmem}" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+
+# cpu cores
+CPU_CORES=$(grep '^processor.*:' /proc/cpuinfo | wc -l)
+if [ "${CPU_CORES}" -gt "1" 2>/dev/null ]; then
+  echo "cpu_cores=${CPU_CORES}" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+else
+  echo 'cpu_cores=1' >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+fi
+
+# arch
+echo "host_arch=$(uname -m)" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+
+# VT enabled cpu?
+if grep -q ^flags.*\\\<vmx\\\> /proc/cpuinfo; then
+    echo "vtflag=1" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+    echo 'kvm_module="kvm_intel"' >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+  elif grep -q ^flags.*\\\<svm\\\> /proc/cpuinfo; then
+    echo "vtflag=1" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+    echo 'kvm_module="kvm_amd"' >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+  else
+    echo "vtflag=0" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+fi
+
+# write mac
+echo "hostmacaddr=${SLX_PXE_MAC}" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+# ip addr
+echo "hostip=${SLX_PXE_CLIENT_IP}" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+# hostname
+echo "hostname=${SLX_HOSTNAME}" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+
+# get further hw information
+j=0
+for i in $(cat /etc/openslx/hwinfo.cdrom); do
+    echo "cdrom_$j=$i" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+    j=$(expr $j + 1)
+done
+
+j=0
+for i in $(cat /etc/openslx/hwinfo.floppy); do
+    echo "floppy_$j=$i" >> ${VMCHOOSER_CONF_DIR}/virtualization.conf
+    j=$(expr $j + 1)
+done
+
diff --git a/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-run_virt b/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-run_virt
new file mode 100755
index 00000000..874669dd
--- /dev/null
+++ b/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-run_virt
@@ -0,0 +1,464 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2007..2010 - RZ Uni FR
+# Copyright (c) 2007..2011 - OpenSLX GmbH
+#
+# This program 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 suggestions, praise, or complaints to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org/
+# -----------------------------------------------------------------------------
+# run-virt.sh
+#    - This is the generic wrapper for the several virtualization solutions.
+#      The idea is to setup a set of variables used by at least two different
+#      tools and then include the specific plugin which configures the speci-
+#      fied virtualization tool.
+################################################################################
+
+################################################################################
+### Define default dirs / get configs
+################################################################################
+
+# include general configuration from vmchooser
+[ -f /opt/openslx/etc/vmchooser/vmchooser.conf ] && \
+. /opt/openslx/etc/vmchooser/vmchooser.conf
+# load general virtualization information
+[ -f /opt/openslx/etc/vmchooser/virtualization.conf ] && \
+. /opt/openslx/etc/vmchooser/virtualization.conf
+
+################################################################################
+### Functions used throughout the script
+################################################################################
+
+# function to write to stdout and logfile
+LOGFILE=/var/log/openslx/run-virt.${USER}.$$.log
+writelog () {
+	# write to stdout
+	echo -e "$1"
+	# log into file
+	echo -e "$1" >> ${LOGFILE}
+}
+
+# remove config dirs when exit
+cleanexit () {
+	if echo "${RMDIRS}" 2>/dev/null | grep -q ${xmlvirt}; then
+		writelog "${xmlvirt} exited. Cleanning up... \c"
+		rm -rf ${RMDIRS} >/dev/null 2>&1
+		writelog "done"
+	fi
+	
+	exit "$1"
+}
+
+# check for important files used
+filecheck ()
+{
+	filecheck=$(LANG=us ls -lh ${diskfile} 2>&1)
+	writelog "Filecheck:\n${filecheck}\n"
+	noimage=$(echo ${filecheck} | grep -i "no such file or directory" | wc -l)
+	rightsfile=${diskfile}
+	
+	# check if link
+	if [ -L "${diskfile}" ]; then
+		# take link target
+		rightsfile=$(ls -lh ${diskfile} 2>&1 | awk -F '-> *' '{print $2}')
+		rightsfile=${vmdir}/${rightsfile}
+		filecheck=$(LANG=us ls -lh ${rightsfile} 2>&1)
+	fi
+	
+	# does file exist
+	if [ "${noimage}" -ge "1" ]; then
+		writelog "Virtual Machine Image Problem:\c "
+		writelog "\tThe image you've specified doesn't exist."
+		writelog "Filecheck says:\c "
+		writelog "\t\t${diskfile}:\n\t\t\tNo such file or directory"
+		writelog "Hint:\c "
+		writelog "\t\t\tCompare spelling of the image with your options.\n"
+		exit 1
+	fi
+	
+	# readable by calling user
+	if ! [ -r "${diskfile}" >/dev/null 2>&1 \
+		-o -r "${diskfile}" >/dev/null 2>&1 ]; then
+		writelog "Vmware Image Problem:\c "
+		writelog "\tThe image you've specified has wrong rights."
+		writelog "Filecheck says:\t\t$(echo ${filecheck} \
+		| awk '{print $1" "$3" "$4}') ${rightsfile}"
+		writelog "Hint:\t\t\tChange rights with: chmod a+r ${rightsfile}\n"
+		exit 1
+	fi
+	
+	# writable (for persistent-mode)?
+	if ! [ -w "${diskfile}" >/dev/null 2>&1 \
+	-o -w "${diskfile}" >/dev/null 2>&1 ] \
+	&& [ "${np}" = "independent-persistent" ]; then
+		writelog "Vmware Image Problem:\c "
+		writelog "\tThe image you have specified has wrong rights."
+		writelog "Filecheck says:\t\t$(echo ${filecheck} \
+		| awk '{print $1" "$3" "$4}') ${rightsfile}"
+		writelog "Hint:\t\t\tUse nonpersistent-mode or change rights to rw\n"
+		exit 1
+	fi
+}
+
+################################################################################
+### Get XML file and dir
+################################################################################
+
+## Added for persistent support.
+diskmode='nonpersistent'
+xmlfile="$1"
+if [[ "$(grep --extended-regexp '< *persistent *param=".+"' "$xmlfile")" ]]; then
+	imageFilePath="$(grep -io '<image_name param=.*"' "$xmlfile" | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')"
+	diskmode='persistent'
+	# TODO path shouldn't be hardcoded.
+	xmlfile="$(basename "$imageFilePath" | sed 's/vmdk$/xml/g;s/-persistent//g')"
+	# NOTE: We have to make sure that this folder is present to prevent
+	# getting an empty string by "readlink".
+	mkdir --parents ~/.persistentVirtualMachines/
+	userBranchFilePath="$(readlink --canonicalize ~/.persistentVirtualMachines/$(basename "$imageFilePath"))"
+	# Create linked clone if not exists.
+	if [ ! -f "$userBranchFilePath" ]; then
+		# TODO path shouldn't be hardcoded.
+		/opt/openslx/plugin-repo/vmchooser/clc.bash "$xmlfile" "$userBranchFilePath" --debug --verbose
+	fi
+fi
+##
+
+# absolute or relative path?
+if ls "${xmlfile}" 2>/dev/null | grep '/' >/dev/null 2>&1; then
+	xmlpath=$(dirname "${xmlfile}")
+	xmlfile=$(basename "${xmlfile}")
+else
+	xmlpath=${vmchooser_xmlpath}
+fi
+# full path
+xmlfile="${xmlpath}/${xmlfile%.xml}.xml"
+
+DO_PROFILE="$(grep -c -E -i '<\s*profile\s*param="?(true|yes)"?' "$xmlfile")"
+
+################################################################################
+### Sanity checks
+################################################################################
+
+# test if the xml file is valid
+if ! [ -r "${xmlfile}" ]; then
+	writelog "${xmlfile} not a readable XML file!"
+	exit 1
+fi
+
+# test if XML file
+if ! grep '<?xml' "${xmlfile}" >/dev/null 2>&1; then
+	writelog "Submitted configuration file ${xmlfile} seems to have wrong XML format"
+	exit 1
+fi
+
+# check for running in graphical environment otherwise no much use here
+[ -z "$DISPLAY" ] && echo -e "\n\tStart only within a graphical desktop!\n" \
+&& exit 1
+
+################################################################################
+###  Logo for console
+################################################################################
+
+cat <<EOL
+                                             __        __   
+                .----.--.--.-----.___.--.--.|__|.----.|  |_ 
+                |   _|  |  |     |___|  |  ||  ||   _||   _|
+                |__| |_____|__|__|    \___/ |__||__|  |____|
+          OpenSLX virtual machine environment preparation script ...
+
+EOL
+
+################################################################################
+### Read needed variables from XML file
+################################################################################
+
+writelog "Starting configuration..."
+writelog "\tLogfile:\t\t${LOGFILE}"
+writelog "\t/tmp info:\t\t$(df -h | grep " /tmp$" | awk '{print $2}') \c"
+writelog "$(grep "/tmp " /proc/mounts | awk '{print $1" "$2" "$3" "$4}')"
+writelog "\tVM XML dir:\t\t$(dirname "${xmlfile}")"
+writelog "\tXML file:\t\t${xmlfile}"
+writelog "VM config:"
+
+# Name of the virt image
+imgname=$(grep -io '<image_name param=.*"' "${xmlfile}" \
+| sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
+## Added for persistent support.
+if [[ "$userBranchFilePath" ]]; then
+	imgname="$userBranchFilePath"
+fi
+##
+
+# Imagename /w full path
+if echo "${imgname}" 2>/dev/null | grep -q '^/' >/dev/null 2>&1; then
+	imgpath="$(dirname "${imgname}")"
+	imgname="$(basename "${imgname}")"
+	vmpath="${imgpath}/${imgname}"
+	# If old vmchooser binary stuff
+	# We do not need folder name as it is already included by vmchooser
+	elif echo "${xmlfile}" 2>/dev/null | grep -q '^/tmp/' >/dev/null 2>&1; then
+	vmpath="$imgname"
+	imgname="$(basename "${imgname}")"
+	## Added for persistent support.
+	elif [[ "$userBranchFilePath" ]]; then
+	vmpath="$userBranchFilePath"
+	##
+	# Else use same path as xml
+else
+	imgpath="${xmlpath}"
+	vmpath="${imgpath}/${imgname}"
+fi
+
+# Check if virtual machine container file exists
+if ! [ -e "${vmpath}" ]; then
+	writelog "Virtual machine image ${vmpath} not found!"
+	exit 1
+fi
+
+# Name of the virt machine, sed because of Windows formatting
+vm_name=$(grep -o 'short_description param=.*"' "${xmlfile}" \
+| sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
+# If ${vm_name} not defined use ${xmlfile}
+vm_name="${vm_name:-${xmlfile%.xml}}"
+
+# Define vm_shortname since vm_name can be very long
+vm_shortname="$(basename "${xmlfile%.xml}" | sed -e "s, ,-,g")"
+
+# vm_name = displayname, define for old scripts
+displayname="${vm_name}"
+
+# image is for the following virtual machine
+xmlvirt=$(grep -o 'virtualmachine param=.*"' "${xmlfile}" \
+| sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
+
+# choose the proper virtualization/emulator plugin
+[ "x${xmlvirt}" != "x" -a "x${xmlvirt}" != "xqemukvm" -a \
+"x${xmlvirt}" != "xvirtualbox" -a "x${xmlvirt}" != "xvmware" ] && \
+xmlvirt="emufe"
+
+# make a guess from the filename extension if ${xmlvirt} is empty
+# (not set within the XML file)
+# TODO: implement possibility to submit own configuration files
+if [ -z "${xmlvirt}" ] && [ -n "${additional_config}" ]; then
+	writelog "No virtual machine parameter defined in ${xmlfile}"
+	writelog "Trying to guess VM...\c"
+	case "$(cat ${additional_config} | tr \"[A-Z]\" \"[a-z]\")" in
+		*config.version*|*virtualhw.version*|*independent-nonpersistent*|*vmdk*)
+			xmlvirt="vmware"
+		;;
+		*innotek*|*virtualbox*)
+			xmlvirt="virtualbox"
+		;;
+		*qemu*|*kvm*)
+			xmlvirt="qemukvm"
+		;;
+		*)
+			xmlvirt="none"
+		;;
+	esac
+	elif [ -z "${xmlvirt}" ]; then
+	case "$(echo ${imgname##*.} | tr \"[A-Z]\" \"[a-z]\")" in
+		vmdk)
+			xmlvirt="vmware"
+		;;
+		vbox|vdi)
+			xmlvirt="virtualbox"
+		;;
+		qcow*)
+			xmlvirt="qemukvm"
+		;;
+		*)
+			xmlvirt="emufe"
+		;;
+	esac
+	writelog "result:\t${xmlvirt}"
+fi
+
+# Definition of the client system
+vmostype=$(grep -io '<os param=.*"' "${xmlfile}" | awk -F '"' '{ print $2 }' |\
+tr "[A-Z]" "[a-z]")
+
+# Definition of the networking the client system is connected to
+network_kind=$(grep -io '<network param=.*"' "${xmlfile}" \
+| awk -F '"' '{ print $2 }' | tr "[A-Z]" "[a-z]")
+network_card=$(grep -io '<netcard param=.*"' "${xmlfile}" \
+| awk -F '"' '{ print $2 }'| tr "[A-Z]" "[a-z]")
+
+# Set redirects to 0, see vmgrid if you want to define some
+redirects=0
+
+# Serial/parallel ports defined (e.g. "ttyS0" or "autodetect")
+serial=$(grep -io '<serialport param=.*"' "${xmlfile}" \
+| awk -F '"' '{ print $2 }')
+parallel=$(grep -io '<parport param=.*"' "${xmlfile}" \
+| awk -F '"' '{ print $2 }')
+
+writelog "\tVirtualization:\t\t$xmlvirt"
+writelog "\tVM name:\t\t$vm_name"
+writelog "\tVM short name:\t\t$vm_shortname"
+
+###############################################################################
+### Declaration of default variables
+###############################################################################
+
+# VM-ID static (00)
+VM_ID="00"
+# take last two digits of current pid...
+VM_ID=$(expr substr $$ $(expr ${#$} - 1) 2)
+
+# Make sure cpu_cores is not empty
+cpu_cores=${cpu_cores:-"1"}
+
+# Amount of memory for the VM. Be generous if diff is written to HDD
+if mount | grep -q '^/dev/sd.*on.*/tmp'; then
+	reserve=16
+	min=550
+	max=1024
+else
+	reserve=65
+	min=768
+	max=8192
+fi
+
+# Calculate absulute amount of RAM that should stay available to the host
+reserve="$[ ( $totalmem * $reserve ) / 100 ]"
+# Respect some upper and lower bounds for the host amount
+[ "$reserve" -lt "$min" ] && reserve="$min"
+[ "$reserve" -gt "$max" ] && reserve="$max"
+
+# Get a result which can be divided by 4
+mem="$[ ( ( $totalmem - $reserve ) / 4 ) * 4 ]"
+if [ -n "$mainvirtmem" ]; then
+	forcemem="$[ "$mainvirtmem" / 4 * 4 ]"
+	mem="$forcemem"
+fi
+hostmem="$[ $totalmem - $mem ]"
+
+# Configuring ethernet mac address: first 3 bytes are fixed (00:50:56)
+# 4th byte is the VM-ID (0D)
+# last two bytes are taken from the bridge of the host
+# define one MAC per guest
+macguestpart="00:50:56:${VM_ID}"
+machostpart=$(echo ${hostmacaddr} | awk -F ":" '{print $(NF-1)":"$NF}')
+macaddr=$(echo "${macguestpart}:${machostpart}" | tr "[a-z]" "[A-Z]")
+
+# 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="/opt/openslx/etc/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"
+scsi="FALSE"
+hddrv="ide"
+audio="true"
+remotedesktopport="590${VM_ID}"
+
+
+# Enable 3D
+enable3d=$(grep -i "<enable3d param=.*" ${xmlfile} 2>/dev/null | \
+awk -F '=' {'print $2'} | tr "[A-Z]" "[a-z]")
+
+# Add rw share
+sharepath="${HOME}"
+sharename="home"
+
+# Set hostname: using original hostname and adding string
+hostname="virt-$(hostname)"
+
+writelog "\tVM Hostname:\t\t$hostname"
+
+################################################################################
+### Setup the rest of the environment and run the configured vm
+################################################################################
+# 8086:1e20
+if lspci -n | grep -E -i '8086:1e20( |$)'; then
+	VOL="100%" # bwPC 4: Speaker too quiet :-(
+else
+	VOL="80%"
+fi
+# Adjust sound volume
+#writelog "Unmuting sound...\c "
+amixer -q sset Master "$VOL" unmute 2>/dev/null
+amixer -q sset PCM "$VOL" unmute 2>/dev/null
+amixer -q sset CD "$VOL" unmute 2>/dev/null
+amixer -q sset Headphone "$VOL" unmute 2>/dev/null
+amixer -q sset Front "$VOL" unmute 2>/dev/null      # in SUSE 11.0 it's headphone
+amixer -q sset Speaker "$VOL" unmute 2>/dev/null       # annoying built-in speaker
+#writelog "finished\n"
+
+# Load kvm modules
+if [ "$vtflag" = "1" -a -n "$kvm_module" ]; then
+	modprobe "$kvm_module"
+fi
+
+# Copy guest configuration (with added information) config.xml to be accessed
+# via virtual floppy
+cp "$xmlfile" "/opt/openslx/etc/vmchooser/fd-loop/config.xml"
+# Add another file with resolution information
+xrandr | grep -o -E 'current\s*[0-9]+\s*x\s*[0-9]+' | cut -c 8- | sed -r 's/(\s|\t|\n)//g' | head -n 1 > "/opt/openslx/etc/vmchooser/fd-loop/hostres.txt"
+
+# Get all virtual machine specific stuff from the respective include file
+if [ -e /opt/openslx/etc/"${xmlvirt}"/run-virt.include ] ; then
+	self="${xmlvirt}"
+	. /opt/openslx/etc/"${xmlvirt}"/run-virt.include
+	# start a windowmanager for easier handling
+	# (expect problems /w windows opening in background /w vmware without wm)
+	for dm in twm xfwm4 metacity openbox blackbox kwin fvwm2 ; do
+		if which $dm >/dev/null 2>&1 ; then
+			if [ "$dm" = "fvwm2" ] ; then
+				echo "EdgeScroll 0 0" > ${redodir}/fvwm
+				fvwm2 -f ${redodir}/fvwm >/dev/null 2>&1 &
+			else
+				$dm >/dev/null 2>&1 &
+			fi
+			break
+		fi
+	done
+	# Start poolvideoswitch if we find the autostarter file
+	#if [ -e /etc/xdg/autostart/pvsgui.desktop ]; then
+	#  /usr/local/bin/pvsgui -p 2 -b >/dev/null 2>&1 &
+	#fi
+	if [[ "$DO_PROFILE" -ge "1" ]]; then
+		wget "http://132.230.8.113/profile/do.php?action=start"
+	fi
+	eval ${VIRTCMD} ${VIRTCMDOPTS}
+	writelog "Bye."
+	
+	# Postrun for commands after virtualization finishes
+	if [ -n "${POSTRUN}" ]; then
+		eval ${POSTRUN}  >/dev/null 2>&1
+	fi
+	
+	cleanexit 0
+else
+	writelog "Failed because of missing ${xmlvirt} plugin."
+	cleanexit 1
+fi
+
+# Postrun for commands after virtualization finishes
+if [ -n "${POSTRUN}" ]; then
+	eval ${POSTRUN}  >/dev/null 2>&1
+fi
+
+cleanexit 0
+exit 0
diff --git a/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-xml_filter b/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-xml_filter
new file mode 100755
index 00000000..67e49d3e
--- /dev/null
+++ b/remote/modules/vmchooser/data/opt/openslx/scripts/vmchooser-xml_filter
@@ -0,0 +1,64 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2007..2009 - RZ Uni FR
+# Copyright (c) 2007..2011 - OpenSLX GmbH
+#
+# This program 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 suggestions, praise, or complaints to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org/
+# -----------------------------------------------------------------------------
+# xmlfilter.sh
+#    - This script is invoked by the vmchooser tool. It simply filters xml-
+#      files (taking the path to these files in $1). You might modify it in any
+#      way to match your needs, e.g. ask some database instead. You can re-
+#      implement it in any other programming language too. You simply have to
+#      return a list of proper xml files to be interpreted by the vmchooser
+#      binary). Please check for vmchooser.sh too ...
+# -----------------------------------------------------------------------------
+
+# This script .
+#
+# currently:
+#     - filter for slxgrp (which comes from /etc/machine-setup)
+#
+
+# include default directories
+. /etc/opt/openslx/openslx.conf
+
+if [ -f ${OPENSLX_DEFAULT_CONFDIR}/plugins/vmchooser/vmchooser.conf ]; then
+  . ${OPENSLX_DEFAULT_CONFDIR}/plugins/vmchooser/vmchooser.conf
+fi
+
+function handlePersistentVM() {
+  if [[ "$(grep --extended-regexp \
+        "<persistent param=\"(|.+:)$USER(|:.+)\"" "$1")" ]]; then
+    # If this virtual machine is useable as persistent version for current
+    # user we provide an additional persistent version.
+    local persistentConfigVersionFilePath="$(mktemp --directory)/$(basename "${1}-persistent")"
+    /opt/openslx/plugin-repo/vmchooser/clc.bash "$1" \
+      "$persistentConfigVersionFilePath" --create-persistent-config && \
+    echo "$persistentConfigVersionFilePath"
+  fi
+}
+
+for FILE in $(find -L "$1" -iname "*.xml"); do
+  # filter all xmls which aren't set active
+  if [ $(grep "<active param=.*true.*" "$FILE" | wc -l) -eq 1 ]; then
+    if [ -n "${vmchooser_env}" ]; then
+      # filter all xmls with pool-param not equal to vmchooser::env
+      if [ $(grep "<pools param=\"${vmchooser_env}\"" "$FILE" | wc -l) -eq 1 ]
+      then
+        handlePersistentVM "$FILE"
+        echo "$FILE"
+      fi
+    else
+      handlePersistentVM "$FILE"
+      # if there is no pool set, just take all available xmls
+      echo "$FILE"
+    fi
+  fi
+done
-- 
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