From eec193967f7aca562f7d99eaf5d6177f08e9a99e Mon Sep 17 00:00:00 2001
From: Michael Janczyk
Date: Sun, 11 Apr 2010 23:08:47 +0200
Subject: virtualization plugin, now with calculation of mem, run-vmgrid and
 run-virt uses it

---
 .../init-hooks/80-after-plugins/virtualization.sh  | 54 ++++++++++++++--------
 1 file changed, 36 insertions(+), 18 deletions(-)

(limited to 'os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh')

diff --git a/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh b/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
index 5fa046d9..400075cd 100644
--- a/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
+++ b/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
@@ -25,9 +25,9 @@ PLUGINCONFDIR=/mnt/${OPENSLX_DEFAULT_CONFDIR}/plugins/virtualization
 # check if plugins available
 active=0
 [ -f ${CONFFILEVMCHOOSER} ] && . ${CONFFILEVMCHOOSER}
-[ -n "${CONFFILEVMCHOOSER}" ] && active=1
+[ ${vmchooser_active} -ne 0 ] && active=1
 [ -f ${CONFFILEVMGRID} ] && . ${CONFFILEVMGRID}
-[ -n "${CONFFILEVMGRID}" ] && active=1
+[ ${vmgrid_active} -ne 0 ] && active=1
 
 [ $DEBUGLEVEL -gt 0 ] \
   && echo -e "Executing the virtual 'virtualization' plugin ... \c"
@@ -45,27 +45,45 @@ if [ ${active} -ne 0 ] ; then
   totalmem=$(expr $(grep -i "memtotal" /proc/meminfo \
              | awk '{print $2}') / 1024)
   echo "totalmem=${totalmem}" >> ${PLUGINCONFDIR}/virtualization.conf
+
   if [ ${vmgrid_active} -ne 0 ]; then
+
     totalmemtest=$(expr $(echo ${vmgrid_memratio} \
                   | awk -F ',' '{print $1" + "$2" + "$3" + "$4" + "$5" + "$6}'))
+
+    # not more than 100% memory assigned
     if [ ${totalmemtest} -le 100 2>/dev/null ]; then
-      # get hostmem
-      freememper=$(expr 100 - $(echo ${vmgrid_memratio} \
-                   | awk -F ',' '{print $1" - "$2" - "$3" - "$4}'))
-      freemem=$(expr ${totalmem} \* ${freememper} / 100)
-      echo "freemem=${freemem}" \
-        >> ${PLUGINCONFDIR}/virtualization.conf
-    else
-      # more than 100% memory assigned stupid!
-      # vmgrid will get this as well and exit!
-      # so we have theoretically 100% free
-      echo "freemem=${totalmem}" \
-        >> ${PLUGINCONFDIR}/virtualization.conf
+
+      # host mem
+      hostratio=$(echo ${vmgrid_memratio} | awk -F ',' '{print $6}')
+      hostmem=$(expr ${totalmem} \* ${hostratio} / 100 2>/dev/null)
+      if [ ${hostmem} -lt 256 2>/dev/null ]; then
+        # min. 256 MB for host
+        hostmem=256
+      fi
+
+      # main vm mem (vmchooser)
+      if [ ${vmchooser_active} -ne 0 ]; then
+        mainvirtratio=$(echo ${vmgrid_memratio} | awk -F ',' '{print $5}')
+        mainvirtmem=$(expr ${totalmem} \* ${mainvirtratio} / 100 2>/dev/null)
+        if [ ${mainvirtmem} -lt 512 2>/dev/null ]; then
+          # min. 512 for vmchooser
+          mainvirtmem=512
+        fi
+      else
+        mainvirtratio=0
+        mainvirtmem=0
+      fi
+
+      cat << EOF >> ${PLUGINCONFDIR}/virtualization.conf
+hostratio=${hostratio}
+hostmem=${hostmem}
+mainvirtratio=${mainvirtratio}
+mainvirtmem=${mainvirtmem}
+EOF
+
     fi
-  else
-    echo "freemem=${totalmem}" \
-      >> ${PLUGINCONFDIR}/virtualization.conf
-fi
+  fi
 
   # cpu cores
   CPU_CORES=$(grep 'processor.*:' /proc/cpuinfo | wc -l)
-- 
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