cumulative commit of local branch, xen modifications and vmgrid plugin

1 files changed, 386 insertions, 0 deletions

diff --git a/os-plugins/plugins/vmgrid/files/run-vmgrid.sh b/os-plugins/plugins/vmgrid/files/run-vmgrid.sh
new file mode 100644
index 00000000..626dfcca
--- /dev/null
+++ b/os-plugins/plugins/vmgrid/files/run-vmgrid.sh
@@ -0,0 +1,386 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2007..2010 - RZ Uni FR
+# Copyright (c) 2007..2010 - 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/
+# -----------------------------------------------------------------------------
+# vmgrid
+#    - This is the generic wrapper for the several virtualization solutions...
+################################################################################
+
+. /etc/opt/openslx/openslx.conf
+
+################################################################################
+### Define default dirs / get configs
+################################################################################
+
+PLUGINCONFROOT=${OPENSLX_DEFAULT_CONFDIR}/plugins
+PLUGINCONFVMGRID=${PLUGINCONFROOT}/vmgrid
+RWSHARE=/var/opt/openslx/plugins/vmgrid/share
+# include general configuration from vmgrid
+[ -f ${PLUGINCONFVMGRID}/vmgrid.conf ] && \
+  . ${PLUGINCONFVMGRID}/vmgrid.conf
+#[ -f ${PLUGINCONFVMGRID}/vmgrid.include ] && \
+#  . ${PLUGINCONFVMGRID}/vmgrid.include
+# get the vmchooser_active var
+[ -f ${PLUGINCONFROOT}/vmchooser/vmchooser.conf ] && \
+  . ${PLUGINCONFROOT}/vmchooser/vmchooser.conf
+
+################################################################################
+### Functions used throughout the script
+################################################################################
+
+# function to write to stdout and logfile
+writelog () {
+  # write to stdout
+  echo -e "$1"
+  # log into file
+  echo -e "$1" >> ${OPENSLX_DEFAULT_LOGDIR}/run-vmgrid.${USER}.$$.log
+  # log into share dir, so that log is available in vm as well
+  echo -e "$1" >> ${vmgrid_rwmnt}/logs/run-vmgrid.${USER}.$$.log
+}
+
+################################################################################
+### Get XML file and dir
+################################################################################
+
+# check if forcemem or graphical mode set
+headless=1
+while [ $# -gt 0 ]; do
+  case "$1" in
+    -h|--help)
+      echo -e "Usage: run-vmgrid.sh [-g] [--forcemem <memorysize in MB>] \c"
+      echo -e "[/path/]filename[.xml]"
+      exit
+    ;;
+    -g)
+      headless=0
+    ;;
+    --forcemem)
+      forcemem=$2
+      shift
+    ;;
+    *)
+      xmlfile=$@
+      break
+    ;;
+  esac
+  shift
+done
+
+# absolute or relative path?
+if ls ${xmlfile} 2>/dev/null | grep '/' >/dev/null 2>&1; then
+  xmlpath=$(dirname ${xmlfile})
+  xmlfile=$(basename ${xmlfile})
+else
+  xmlpath=${vmgrid_xmlpath}
+fi
+# full path
+xmlfile="${xmlpath}/${xmlfile%.xml}.xml"
+
+################################################################################
+### Sanity checks
+################################################################################
+
+# test if the xml file is valid
+if ! [ -r "${xmlfile}" ]; then
+  writelog "${xmlfile} not a readable XML file!"
+  run-vmgrid.sh -h &
+  exit 1
+fi
+
+# start to log, create shrare log dir
+mkdir -m 1777 -p ${vmgrid_rwmnt}/logs
+echo "Starting to log at $(date)" \
+  >${vmgrid_rwmnt}/logs/run-vmgrid.${USER}.$$.log
+
+# test how many instances running
+runningvms=$(ps aux | grep "run-vmgrid.sh " | grep -v grep | wc -l)
+# 2 steps, /w only one is seems not to work
+runningvms=$(expr ${runningvms} - 1)
+# if Xen use different method
+if [ "${vmgrid_virt}" = "xen" ]; then
+  runningvms=$(xm list 2>/dev/null | grep -vE "Domain-0|Name.*ID" | wc -l)
+  runningvms=$(expr ${runningvms} + 1)
+fi
+# check value
+if [ $runningvms -le 0 ]; then
+  writelog "Error in value: Running VMs: ${runningvms}. Exit!"
+  exit 1
+fi
+# check if vmchooser plugin installed
+if [ -n "${vmchooser_active}" ] && [ ${runningvms} -gt 1 ]; then
+  # only allow one instance of vmgrid
+  writelog "Already 1 VMs running and vmchooser plugin is active."
+  writelog "Can't start ${xmlfile}, exiting!"
+  exit 1
+# else allow max. 4 instances
+elif [ ${runningvms} -gt 4 ]; then
+  writelog "Already 4 VMs running, exiting!"
+  exit 1
+fi
+VM_ID="0${runningvms}"
+
+# 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
+
+################################################################################
+###  Logo for console
+################################################################################
+
+cat <<EOL
+                                                          __     __ 
+         .----.--.--.-----.___.--.--.--------.-----.----.|__|.--|  |
+         |   _|  |  |     |___|  |  |        |  _  |   _||  ||  _  |
+         |__| |_____|__|__|    \___/|__|__|__|___  |__|  |__||_____|
+                                             |_____|                
+         OpenSLX virtual machine environment preparation script ...
+
+EOL
+
+################################################################################
+### Read needed variables from XML file
+################################################################################
+
+writelog "Starting configuration..."
+writelog "\tVM-ID:\t\t\t${VM_ID}"
+writelog "\tLogfile:\t\t${OPENSLX_DEFAULT_LOGDIR}/run-vmgrid.${USER}.$$.log"
+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 ${xmlfile})"
+
+if ! grep '<?xml' "${xmlfile}" >/dev/null 2>&1; then
+  writelog \
+    "Submitted configuration file ${xmlfile} seems to have wrong XML format"
+  exit 1
+fi
+
+writelog "\tXML file:\t\t$xmlfile"
+writelog "VM config:"
+
+# name of the virt image or dir
+imgname=$(grep -io '<image_name param=.*"' ${xmlfile} \
+          | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
+
+# image mode
+imgmode=$(grep -io '<image_mode param=.*"' ${xmlfile} \
+          | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
+
+# get boot attr
+boot=$(grep -io 'boot param=.*"' ${xmlfile} | awk -F '"' '{ print $2 }')
+diskless=0
+
+# special rw image
+if [ "${imgmode}" = "rwimg" ]; then
+  # maybe you want to use an empty rw imgae?
+  # define only for writelog, will be set in the plugin include again!
+  vmpath="{special rw image}"
+  # add new path for rwimg
+  imgpath=${vmgrid_rwmnt}/specialrwimages
+  unset $imgname
+  mkdir -m 1777 -p ${imgpath}
+# diskless boot
+elif [ "${boot}" = "n" ] && [ -z "${imgname}" ]; then
+  diskless=1
+  vmpath="{diskless boot}"
+# imagename /w full path
+elif echo ${imgname} 2>/dev/null | grep -q '^/' >/dev/null 2>&1; then
+  imgpath=$(dirname ${imgname})
+  imgname=$(basename ${imgname})
+  vmpath=${imgpath}/${imgname}
+# get path from var
+else
+  imgpath=${vmgrid_imgpath}
+  vmpath=${imgpath}/${imgname}
+fi
+
+# check if virtual machine container file exists, only if not rwimg
+if ! [ -e "${vmpath}" ] && [ "${imgmode}" != "rwimg" ] && [ ${diskless} -eq 0 ];
+then
+  writelog "Virtual machine image or directory ${vmpath} not found!"
+  exit 1
+fi
+
+# name of the virt machine, sed because of Windows formatting
+vm_name=$(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}
+
+[ "${imgmode}" != "rwimg" ] && [ ${diskless} -eq 0 ] \
+  && writelog "\tVM Image dir:\t\t${imgpath}"
+writelog "\tVM file/dir:\t\t$vmpath"
+
+# is there an additional configuration provided?
+additional_config=$(grep -o 'additional_config param=.*"' ${xmlfile} \
+                    | sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
+
+# image is for the following virtual machine 
+xmlvirt=$(grep -o 'virtualmachine param=.*"' ${xmlfile} \
+          | sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
+
+# make a guess from the filename extension if ${xmlvirt} is empty
+# (not set within the XML file)
+if [ -z "${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 ${imgname##*.} | tr [A-Z] [a-z])" in
+    vmdk)
+      xmlvirt="vmware"
+    ;;
+    vbox)
+      xmlvirt="virtualbox"
+    ;;
+    img|qcow*)
+      xmlvirt="qemukvm"
+    ;;
+    *)
+      xmlvirt="none"
+    ;;
+  esac
+  writelog "result:\t${xmlvirt}"
+fi
+
+# check for virt
+if [ "${vmgrid_virt}" != "${xmlvirt}" ]; then
+  writelog "The virtual machine specified in ${xmlfile}"
+  writelog "does not match the virtualization used here (${vmgrid_virt})"
+  exit 1
+fi
+
+# definition of the client system
+vmostype=$(grep -io '<os param=.*"' ${xmlfile} | awk -F '"' '{ print $2 }')
+
+# definition of the networking the client system is connected to
+network_kind=$(grep -io 'network param=.*"' ${xmlfile} \
+               | awk -F '"' '{ print $2 }')
+network_card=$(grep -io 'netcard 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
+###############################################################################
+
+# TODO: cpu cores
+#vmgrid::maxvcpus
+#vmgrid::minvcpus
+#cpu_cores="${cpu_cores}"
+
+# check for CPU virtualization flags
+#vmgrid::hvm
+
+# get total amount of memory installed in your machine
+totalmem=$(expr $(grep -i "memtotal" /proc/meminfo | awk '{print $2}') / 1024)
+permem=60
+mem=$(expr ${totalmem} / 100 \* ${permem} / 4 \* 4)
+#vmgrid::maxram
+#vmgrid::minram
+
+# configuring ethernet mac address: first 3 bytes are fixed (00:50:56) 
+# 4th byte is the VM-ID
+# last two bytes are taken from the bridge of the host
+# define one MAC per guest
+macguestpart="00:50:56:${VM_ID}"
+machostpart=$($(which ifconfig) br0 | grep br0 | sed -e "s/ //g" \
+              | awk -F ":" '{print $(NF-1)":"$NF}')
+macaddr=$(echo "${macguestpart}:${machostpart}" | tr [a-z] [A-Z])
+
+# ide is expected default, test for the virtual disk image type should
+# be done while creating the runscripts ...
+# TODO: cdrom / floppy?
+ide="TRUE"
+scsi="FALSE"
+hddrv="ide"
+
+# add rw share
+sharepath="${vmgrid_rwmnt}/folders/${vm_shortname}"
+mkdir -p ${sharepath}
+chmod -f 1777 "${vmgrid_rwmnt}/folders"
+sharename="share"
+
+# set hostname: using original hostname and adding string
+hostname="vmgrid${VM_ID}-$(hostname)"
+
+writelog "\tVM Hostname:\t\t$hostname"
+
+################################################################################
+### Setup the rest of the environment and run the configured vm
+################################################################################
+
+# Copy guest configuration (with added information) config.xml to be accessed
+# via virtual floppy
+# TODO: virt-floppy needed?
+
+# Get all virtual machine specific stuff from the respective include file
+# TODO: rename to run-vuirt.include
+if [ -e ${PLUGINCONFROOT}/${vmgrid_virt}/run-virt.include ] ; then
+  writelog "Strating ${vmgrid_virt} specific part ..."
+  self=${vmgrid_virt}
+  . ${PLUGINCONFROOT}/${vmgrid_virt}/run-virt.include
+else
+  writelog "Failed because of missing ${vmgrid_virt} plugin"
+  exit 1
+fi
+
+# start graphical mode
+if [ ${headless} -eq 0 ]; then
+  if [ -z "${VIRTCMD}" ]; then
+    writelog "Grapical mode not available, exiting!"
+    exit 1
+  fi
+  writelog "Starting ${vmgrid_virt} in graphical mode..."
+  ${VIRTCMD} ${VIRTCMDOPTS} 2>/dev/null
+# start headless
+elif [ -n "${VIRTCMDHL}" ]; then
+  writelog "Starting ${vmgrid_virt} in headless mode..."
+  ${VIRTCMDHL} ${VIRTCMDOPTSHL} 2>/dev/null
+else
+  writelog "${vmgrid_virt}: No headless mode defined, exiting!"
+  exit 1
+fi
+
+# remove config dirs when finished
+if echo "${RMDIRS}" 2>/dev/null | grep -q ${vmgrid_virt}; then
+  writelog "${vmgrid_virt} exited. Cleanning up... \c"
+  rm -rf ${RMDIRS} >/dev/null 2>&1
+  writelog "done"
+fi
+
+echo -e "Bye."
+exit 0