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/vmgrid/files/vmgrid | 154 +++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 src/os-plugins/plugins/vmgrid/files/vmgrid

(limited to 'src/os-plugins/plugins/vmgrid/files/vmgrid')

diff --git a/src/os-plugins/plugins/vmgrid/files/vmgrid b/src/os-plugins/plugins/vmgrid/files/vmgrid
new file mode 100644
index 00000000..2bb91481
--- /dev/null
+++ b/src/os-plugins/plugins/vmgrid/files/vmgrid
@@ -0,0 +1,154 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2010 - RZ Uni FR
+# Copyright (c) 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
+#    - Script for autostarts defined in vmgrid::startvms
+################################################################################
+
+# include default directories
+. /etc/opt/openslx/openslx.conf
+
+################################################################################
+### Manual Start
+################################################################################
+
+if [ -n "$1" ]; then
+  if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+    echo -e "Usage: vmgrid [[-g] [--mem <memory size in MB>] \c"
+    echo -e "[--nice <nice level>] [/path/]filename[.xml]]"
+    exit 0
+  else
+    echo "Starting run-vmgrid.sh with options '$@'"
+    run-vmgrid.sh $@ 2>/dev/null
+    exit
+  fi
+fi
+
+################################################################################
+### Define default dirs / get configs
+################################################################################
+
+PLUGINCONFROOT=${OPENSLX_DEFAULT_CONFDIR}/plugins
+PLUGINCONFDIR=${PLUGINCONFROOT}/vmgrid
+RWSHARE=/var/opt/openslx/plugins/vmgrid/share
+# include general configuration from vmgrid
+[ -f ${PLUGINCONFDIR}/vmgrid.conf ] && \
+  . ${PLUGINCONFDIR}/vmgrid.conf
+# load general virtualization information
+[ -f ${PLUGINCONFROOT}/virtualization/virtualization.conf ] && \
+  . ${PLUGINCONFROOT}/virtualization/virtualization.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" >> ${OPENSLX_DEFAULT_LOGDIR}/vmgrid.${USER}.$$.log
+  # log into share dir, so that log is available in vm as well
+  echo -e "$1" >> ${vmgrid_rwmnt}/logs/vmgrid.${USER}.$$.log
+}
+
+################################################################################
+### Configure VMs for autostart and set RAM
+################################################################################
+
+# start to log, create share log dir
+mkdir -m 1777 -p ${vmgrid_rwmnt}/logs
+mkdir -m 1777 -p /tmp/vmgrid
+mkdir -p /tmp/vmgrid/${USER}
+echo "Starting to log at $(date)" \
+  >${vmgrid_rwmnt}/logs/vmgrid.${USER}.$$.log
+
+if [ -z "${hostratio}" ]; then
+  writelog "There has been an error in the memory configuration in stage 3"
+  writelog "Please check your memory ratio settings, exiting!"
+  exit 1
+fi
+
+if [ -z "${hostratio}" ]; then
+  writelog "There has been an error in the memory configuration in stage 3"
+  writelog "Please check your memory ratio settings, exiting!"
+  exit 1
+fi
+
+# remove blanks
+vmgrid_startvms=$(echo ${vmgrid_startvms} | sed -e "s, *,,g")
+vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s, *,,g")
+
+# hostmem, mainvirt from virtualization plugin
+# ratio minus other vms and host
+restratio=$(expr 100 - ${hostratio} - ${mainvirtratio})
+
+# hostmem, totalmem, mainvirtmem from virtualization plugin
+# calculate freemem
+freemem=$(expr ${totalmem} - ${hostmem} - ${mainvirtmem} 2>/dev/null)
+if [ ${freemem} -lt 512 2>/dev/null ]; then
+  writelog "Not enough free RAM for this plugin, free: ${freemem} MB"
+  exit 1
+fi
+
+# get clients mem ratio
+vmsumratios=0
+for i in {1..4}; do
+  vm[$i]=$(echo ${vmgrid_startvms} | awk -F ',' '{print $1}')
+  # remove ${vm[$i]} from list because of '{print $1}'
+  vmgrid_startvms=$(echo ${vmgrid_startvms} | sed -e "s,${vm[$i]}\,*,,")
+  vmratio[$i]=$(echo ${vmgrid_memratio} | awk -F ',' '{print $1}')
+  # remove ${vmratio[$i]} from list because of '{print $1}'
+  vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s/${vmratio[$i]},*//")
+  vmsumratios=$(expr ${vmsumratios} + ${vmratio[$i]} 2>/dev/null)
+done
+
+for i in {1..4}; do
+  # calculate VMs mem: mem = $freemem * $vmratio/100 * 100/$restratio
+  # multiple of 4
+  vmmem[$i]=$(expr ${freemem} \* ${vmratio[$i]} / ${restratio} / 4 \* 4 \
+              2>/dev/null)
+  if [ -n "${vm[$i]}" ] && [ ${vmmem[$i]} -lt 512 2>/dev/null ]; then
+    writelog "Not enough free RAM for ${vm[$i]} (min. 512 MB), \c"
+    writelog "free: ${vmmem[$i]} MB"
+    unset vm[$i]
+  fi
+done
+
+################################################################################
+### Start the VMs
+################################################################################
+
+# start vms
+for i in {1..4}; do
+  if [ -n "${vm[$i]}" ]; then
+    alreadyrunning=$(ps aux | grep run-vmgrid.sh |  grep -v grep \
+                     | grep "${vm[$i]}" | wc -l)
+    # if Xen use different method
+    if [ "${vmgrid_virt}" = "xen" ]; then
+      alreadyrunning=$(xm list 2>/dev/null | grep -vE "Domain-0|Name.*ID" \
+                       | grep "${vm[$i]}-0.$" | wc -l)
+    fi
+    if [ ${alreadyrunning} -gt 0 2>/dev/null ]; then
+      writelog "${vm[$i]} already running, skipping!"
+    else
+      writelog "Starting ${vm[$i]} via run-vmgrid.sh with ${vmmem[$i]} MB RAM"
+      run-vmgrid.sh --mem ${vmmem[$i]} ${vm[$i]} 2>/dev/null &
+      echo $! > /tmp/vmgrid/${USER}/vmgrid.pids
+      # wait 10 secs for the next vm to start
+      sleep 10
+    fi
+  fi    
+done
+
+exit 0
-- 
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