From 416ab8a37f1b07dc9f6c0fb3ff1a8ff2036510b5 Mon Sep 17 00:00:00 2001
From: Sebastian Schmelzer
Date: Thu, 2 Sep 2010 17:50:49 +0200
Subject: change dir structure

---
 src/os-plugins/plugins/xen/files/run-virt.include | 157 ++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 src/os-plugins/plugins/xen/files/run-virt.include

(limited to 'src/os-plugins/plugins/xen/files/run-virt.include')

diff --git a/src/os-plugins/plugins/xen/files/run-virt.include b/src/os-plugins/plugins/xen/files/run-virt.include
new file mode 100644
index 00000000..36a1d1f4
--- /dev/null
+++ b/src/os-plugins/plugins/xen/files/run-virt.include
@@ -0,0 +1,157 @@
+# run-virt.include
+# -----------------------------------------------------------------------------
+# Copyright (c) 2010 - RZ Uni Freiburg
+# Copyright (c) 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
+# -----------------------------------------------------------------------------
+# run-virt.include
+#    - Include script for running Xen on an OpenSLX client via the run-virt.sh
+#      or run-vmgrid.sh
+################################################################################
+
+################################################################################
+### Include general configuration
+################################################################################
+if [ -f ${OPENSLX_DEFAULT_CONFDIR}/plugins/${self}/${self}.conf ]; then
+  . ${OPENSLX_DEFAULT_CONFDIR}/plugins/${self}/${self}.conf
+else
+  writelog "Problems reading config file of ${self} plugin"
+  exit 1
+fi
+
+################################################################################
+### Declaration of default variables
+################################################################################
+
+PLUGINCONFXEN="${PLUGINCONFROOT}/${self}"
+# create TMPDIR for all users
+mkdir -m 1777 /tmp/${self} 2>/dev/null
+# dir for configs
+confdir="/tmp/${self}/${USER}/${VM_ID}"
+# use vm_shortname for VM name since vm_name can be very long
+# add id so we can start more tahn one of the same image
+vm_name="${vm_shortname}-${VM_ID}"
+conffile=${confdir}/${vm_name}
+# define dirs and files which can be removed after exit, be carefull!
+rm -rf ${confdir} 2>/dev/null
+mkdir -p ${confdir} 2>/dev/null
+
+xen_kernel=${kernel:-"/boot/vmlinuz-xen"}
+xen_ramdisk=${initramfs:-"/boot/initrd-xen"}
+xen_extra="xencons=tty 3"
+[ -n "${imgname}" ] &&  xen_disk="disk = [ 'file:${vmpath},hda1,r' ]"
+
+writelog "Directories:"
+writelog "\tConfig dir:\t\t$confdir"
+
+################################################################################
+### Hardware checks
+################################################################################
+
+# memory part equal to vmware plugin
+# percentage of memory to use for virtualbox in standard case
+if [ -n "${forcemem}" ]; then
+  mem="${forcemem}"
+else
+  permem=30
+  if [ "${totalmem}" -ge "1600" ]; then
+    permem=40
+  fi
+  # check if /tmp is on harddisk
+  if grep -qe "/dev/.* /tmp " /proc/mounts ; then
+    permem=60
+    id44="1"
+    # Hack, if more than 2,5G RAM use 40% of Ram and write vmem into Ram as well
+    # (40% vmware | 40% confdir(vmem...) | 20% host
+    # VMplayer 2+ issue
+    # TODO: makes this sense for vbox?
+    #if [ "${totalmem}" -ge "2500" ]; then
+      #permem=40
+      #rmdir ${snapshotdir}
+      #snapshotdirold=${snapshotdir}
+      #snapshotdir=/dev/shm/${self}/${USER}/${VM_ID}
+      #mkdir -p ${snapshotdir}
+      #ln -sf ${snapshotdir} ${snapshotdirold}
+    #fi
+  fi
+  mem=$(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 "Memory out of range: ${mem} MB (guest) / ${memhost} MB (host)!"
+    writelog "Min. 256 MB for host and guest!"
+    exit 1
+  fi
+fi
+
+# translate network kinds (nat, bridged, host-only)
+case "${network_kind}" in
+  bridge*)
+    xen_vif="mac=$macaddr, bridge=br0"
+  ;;
+  *)
+    xen_vif="mac=$macaddr"
+esac
+xen_dhcp="dhcp" # off
+
+# translate boot, use if set else set to disk
+xen_root=/dev/hda1
+case ${boot} in
+  n*|tftp)
+    pxe_label=$(grep -o 'pxe_label param=.*"' ${xmlfile} \
+                | sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
+    pxe_label=$(grep -A 3 "^LABEL *${pxe_label}" \
+                ${xen_tftpdir}/pxelinux.cfg/default 2>/dev/null \
+                | grep "^ *KERNEL ")
+    if [ -n "${pxe_label}" ] && [ -n "${xen_tftpdir}" ]; then
+      xen_root=/dev/nfs
+      xen_kernel="${xen_tftpdir}/$(echo ${pxe_label} \
+                  | awk -F " --- " '{print $2}' | awk '{print $1}')"
+      xen_ramdisk="${xen_tftpdir}/$(echo ${pxe_label} \
+                   | awk -F " --- " '{print $3}')"
+    fi
+  ;;
+  # later maybe c|disk|hd*|sd*) for HD and d|cd*) for CD-ROM
+  *)
+    xen_root=/dev/hda1
+  ;;
+esac
+
+[ ${diskless} -eq 0 ] && writelog "Diskimage:"
+[ ${diskless} -eq 0 ] && writelog "\tMachine diskfile:\t$vmpath"
+writelog "Virtual Hardware:"
+writelog "\tGuest RAM:\t\t${mem} MB"
+# echo nur wenn memhost gesetzt
+[ -n "${memhost}" ] && writelog "\tHost RAM:\t\t${memhost} MB"
+writelog "\tMAC address:\t\t$macaddr"
+
+################################################################################
+### Pepare and configure virtual machine and disk image
+################################################################################
+
+. ${PLUGINCONFXEN}/machine.include > ${conffile}
+
+################################################################################
+### finally set env for run-virt.sh
+################################################################################
+
+# set the variables appropriately (several interfaces with different names)
+VIRTCMD=$(which xm 2>/dev/null)
+# '-c' for console, no graphical output available, later vnc possible
+VIRTCMDOPTS="create -c ${conffile}"
+
+# set headless mode
+VIRTCMDHL=$(which xm 2>/dev/null)
+VIRTCMDOPTSHL="create ${conffile}"
-- 
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