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

---
 os-plugins/plugins/vmchooser/files/run-virt.sh     | 11 ++--
 .../init-hooks/80-after-plugins/virtualization.sh  | 54 ++++++++++++------
 os-plugins/plugins/vmgrid/XX_vmgrid.sh             |  4 +-
 os-plugins/plugins/vmgrid/files/run-vmgrid.sh      |  6 +-
 os-plugins/plugins/vmgrid/files/vmgrid             | 55 ++++++------------
 .../init-hooks/80-after-plugins/virtualization.sh  | 54 ++++++++++++------
 os-plugins/plugins/vmware/files/run-virt.include   | 65 ++++++++++++----------
 7 files changed, 133 insertions(+), 116 deletions(-)

(limited to 'os-plugins/plugins')

diff --git a/os-plugins/plugins/vmchooser/files/run-virt.sh b/os-plugins/plugins/vmchooser/files/run-virt.sh
index adfc737e..771ebef4 100644
--- a/os-plugins/plugins/vmchooser/files/run-virt.sh
+++ b/os-plugins/plugins/vmchooser/files/run-virt.sh
@@ -121,22 +121,21 @@ cpu_cores="${cpu_cores}"
 
 # check for CPU virtualization flags
 
-# get total amount of memory installed in your machine
-totalmem=$(expr $(grep -i "memtotal" /proc/meminfo | awk '{print $2}') / 1024)
+# total amount of memory defined in stage 3
 permem=60
+# get a result which can be divided through 4
 mem=$(expr ${totalmem} / 100 \* ${permem} / 4 \* 4)
+[ -n "${mainvirtmem}" ] && forcemem=$(expr ${mainvirtmem} / 4 \* 4)
 
 # 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:${VM_ID}"
-machostpart=$($(which ifconfig) br0 | grep br0 | sed -e "s/ //g" | \
-  awk -F ":" '{print $(NF-1)":"$NF}')
+machostpart=$(echo ${machostaddr} | awk -F ":" '{print $(NF-1)":"$NF}')
 macaddr=$(echo "${macguestpart}:${machostpart}" | tr [a-z] [A-Z])
 #TODO: remove when vmware modified
-mac=$(/sbin/ifconfig eth0 | grep eth0 | sed -e "s/ //g" \
-  | awk -F ":" '{print $(NF-1)":"$NF}')
+mac=${machostpart}
 
 # virtual fd/cd/dvd and drive devices, floppy b: for configuration
 # if $floppy_0 from run-virt.include set then fdtest="TRUE"
diff --git a/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh b/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
index 5fa046d9..400075cd 100644
--- a/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
+++ b/os-plugins/plugins/vmchooser/init-hooks/80-after-plugins/virtualization.sh
@@ -25,9 +25,9 @@ PLUGINCONFDIR=/mnt/${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)
diff --git a/os-plugins/plugins/vmgrid/XX_vmgrid.sh b/os-plugins/plugins/vmgrid/XX_vmgrid.sh
index 1d0c76be..f75c895d 100644
--- a/os-plugins/plugins/vmgrid/XX_vmgrid.sh
+++ b/os-plugins/plugins/vmgrid/XX_vmgrid.sh
@@ -30,8 +30,8 @@ if [ -f $CONFFILE ]; then
   # load needed variables
   . $CONFFILE
 
-  if [ $vmgrid_active -ne 0 ] ; then
-    [ $DEBUGLEVEL -gt 0 ] && echo "executing the 'vmgrid' os-plugin ..."
+  if [ ${vmgrid_active} -ne 0 ] ; then
+    [ ${DEBUGLEVEL} -gt 0 ] && echo "executing the 'vmgrid' os-plugin ..."
 
     # load general configuration
     . /etc/initramfs-setup
diff --git a/os-plugins/plugins/vmgrid/files/run-vmgrid.sh b/os-plugins/plugins/vmgrid/files/run-vmgrid.sh
index 5e64b4cd..1501749e 100644
--- a/os-plugins/plugins/vmgrid/files/run-vmgrid.sh
+++ b/os-plugins/plugins/vmgrid/files/run-vmgrid.sh
@@ -53,19 +53,19 @@ writelog () {
 ### Get XML file and dir
 ################################################################################
 
-# check if forcemem or graphical mode set
+# check if mem 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 "Usage: run-vmgrid.sh [-g] [--mem <memorysize in MB>] \c"
       echo -e "[/path/]filename[.xml]"
       exit
     ;;
     -g)
       headless=0
     ;;
-    --forcemem)
+    --mem)
       # get a result which can be divided through 4
       forcemem=$2
       echo $2 | grep -q '[1-9][0-9]\{2,3\}$' && forcemem=$(expr $2 / 4 \* 4)
diff --git a/os-plugins/plugins/vmgrid/files/vmgrid b/os-plugins/plugins/vmgrid/files/vmgrid
index ef86cb5a..d8ccd938 100644
--- a/os-plugins/plugins/vmgrid/files/vmgrid
+++ b/os-plugins/plugins/vmgrid/files/vmgrid
@@ -24,7 +24,7 @@
 
 if [ -n "$1" ]; then
   if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
-    echo -e "Usage: vmgrid [[-g] [--forcemem <memorysize in MB>] \c"
+    echo -e "Usage: vmgrid [[-g] [--mem <memorysize in MB>] \c"
     echo -e "[/path/]filename[.xml]]"
     exit 0
   else
@@ -47,9 +47,6 @@ RWSHARE=/var/opt/openslx/plugins/vmgrid/share
 # load general virtualization information
 [ -f ${PLUGINCONFROOT}/virtualization/virtualization.conf ] && \
   . ${PLUGINCONFROOT}/virtualization/virtualization.conf
-# get the vmchooser_active var
-[ -f ${PLUGINCONFROOT}/vmchooser/vmchooser.conf ] && \
-  . ${PLUGINCONFROOT}/vmchooser/vmchooser.conf
 
 ################################################################################
 ### Functions used throughout the script
@@ -69,48 +66,35 @@ writelog () {
 ### Configure VMs for autostart and set RAM
 ################################################################################
 
-# start to log, create shrare log dir
+# 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/run-vmgrid.${USER}.$$.log
 
+if [ -z "${hostratio}" ]; then
+  writelog "There has been an error in the memory configuration in stage 3"
+  writelog "Please check your memory ratio settings, exiting!"
+  exit 1
+fi
+
 # remove blanks
-vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s, *,,g")
 vmgrid_startvms=$(echo ${vmgrid_startvms} | sed -e "s, *,,g")
+vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s, *,,g")
 
-# get hostmem, totalmem from stage 3
-hostratio=$(echo ${vmgrid_memratio} | awk -F ',' '{print $6}')
-hostmem=$(expr ${totalmem} \* ${hostratio} / 100 2>/dev/null)
-if [ ${hostmem} -lt 256 2>/dev/null ]; then
-  hostmem=256
-  writelog "${hostmem} MB RAM reserved for host"
-fi
-
-# get other vm mem
-if [ -n "${vmchooser_active}" ]; then
-  othervmratio=$(echo ${vmgrid_memratio} | awk -F ',' '{print $5}')
-  othervmmem=$(expr ${totalmem} \* ${othervmratio} / 100 2>/dev/null)
-  if [ ${othervmmem} -lt 512 2>/dev/null ]; then
-    othervmmem=512
-    writelog "${othervmmem} MB RAM reserved for other virtualization solutions"
-  fi
-else
-  othervmratio=0
-  othervmmem=0
-fi
+# 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} - ${othervmmem} 2>/dev/null)
+freemem=$(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
 
-# ratio minus other vms and host
-restratio=$(expr 100 - ${hostratio} - ${othervmratio})
-
 # get clients mem ratio
 vmsumratios=0
 for i in {1..4}; do
@@ -123,15 +107,8 @@ for i in {1..4}; do
   vmsumratios=$(expr ${vmsumratios} + ${vmratio[$i]} 2>/dev/null)
 done
 
-# ratio test: 100 - host - other vm + grid ratios
-ratiotest=$(expr 100 - ${restratio} + ${vmsumratios} 2>/dev/null)
-if [ ${ratiotest} -gt 100 ]; then
-  #writelog "you managed to get over 100% in ratio Einstein: ${ratiotest}%"
-  exit 1
-fi
-
 for i in {1..4}; do
-  # calculate vms mem: mem = $freemem * $vmratio/100 * 100/$restratio
+  # calculate VMs mem: mem = $freemem * $vmratio/100 * 100/$restratio
   # multiple of 4
   vmmem[$i]=$(expr ${freemem} \* ${vmratio[$i]} / ${restratio} / 4 \* 4 \
     2>/dev/null)
@@ -155,7 +132,7 @@ for i in {1..4}; do
       writelog "${vm[$i]} already running, skipping!"
     else
       writelog "Starting ${vm[$i]} via run-vmgrid.sh with ${vmmem[$i]} MB RAM"
-      run-vmgrid.sh --forcemem ${vmmem[$i]} ${vm[$i]} 2>/dev/null &
+      run-vmgrid.sh --mem ${vmmem[$i]} ${vm[$i]} 2>/dev/null &
       echo $! > /tmp/vmgrid/${USER}/vmgrid.pids
       # wait 5 secs for the next vm to start
       sleep 10
diff --git a/os-plugins/plugins/vmgrid/init-hooks/80-after-plugins/virtualization.sh b/os-plugins/plugins/vmgrid/init-hooks/80-after-plugins/virtualization.sh
index 5fa046d9..400075cd 100644
--- a/os-plugins/plugins/vmgrid/init-hooks/80-after-plugins/virtualization.sh
+++ b/os-plugins/plugins/vmgrid/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=$(grep 'processor.*:' /proc/cpuinfo | wc -l)
diff --git a/os-plugins/plugins/vmware/files/run-virt.include b/os-plugins/plugins/vmware/files/run-virt.include
index dfd07a89..8b91275a 100644
--- a/os-plugins/plugins/vmware/files/run-virt.include
+++ b/os-plugins/plugins/vmware/files/run-virt.include
@@ -301,36 +301,40 @@ case "$parallel" in
 esac
 
 # adjust memory available for vmware guests
-case "$vmversion" in
-  2.*)
-    permem=30
-    ;;
-  3.*)
-    permem=25
-    ;;
-esac
-if [ "${totalmem}" -ge "2500" ]; 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
+if [ -n "${forcemem}" ]; then
+  mem="${forcemem}"
+else
+  case "$vmversion" in
+    2.*)
+      permem=30
+      ;;
+    3.*)
+      permem=25
+      ;;
+  esac
   if [ "${totalmem}" -ge "2500" ]; then
     permem=40
-    confdir=/dev/shm/vmware/$USER
-    conffile=${confdir}/run-vmware.conf
-    mkdir -p /dev/shm/vmware/$USER
   fi
-fi
-mem=$(expr ${totalmem} / 100 \* ${permem} / 4 \* 4)
-if [ "${id44}" = "1" ]; then
-  memhost=$(expr ${totalmem} - ${mem})
-else
-  memhost=$(expr ${totalmem} - ${mem} - ${mem})
+  # check if /tmp is on harddisk
+  if grep -qe "/dev/.* /tmp " /proc/mounts ; then
+    permem=60
+    id44="1"
+    # Hack, if more than 2,5G RAM use 40% of Ram and write vmem into Ram as well
+    # (40% vmware | 40% confdir(vmem...) | 20% host
+    # VMplayer 2+ issue
+    if [ "${totalmem}" -ge "2500" ]; then
+      permem=40
+      confdir=/dev/shm/vmware/$USER
+      conffile=${confdir}/run-vmware.conf
+      mkdir -p /dev/shm/vmware/$USER
+    fi
+  fi
+  mem=$(expr ${totalmem} / 100 \* ${permem} / 4 \* 4)
+  if [ "${id44}" = "1" ]; then
+    hostmem=$(expr ${totalmem} - ${mem})
+  else
+  hostmem=$(expr ${totalmem} - ${mem} - ${mem})
+  fi
 fi
 
 # check if ide/scsi and hwver of image
@@ -397,8 +401,8 @@ writelog "# File created by $0 (VMversion ${vmversion})\n# on $(date)\n"
 writelog "Starting with non-persistent mode ...\n"
 
 # check memory range
-if [ "${mem}" -lt "256" ] || [ "${memhost}" -lt "256" ]; then
-  writelog "\tMemory out of range: ${mem} MB (guest) / ${memhost} MB (host)!"
+if [ "${mem}" -lt "256" ] || [ "${hostmem}" -lt "256" ]; then
+  writelog "\tMemory out of range: ${mem} MB (guest) / ${hostmem} MB (host)!"
   writelog "\tMin. 256 MB for host and guest!"
   exit 1
 fi
@@ -420,7 +424,8 @@ if [ -n "${network_card}" ]; then
   writelog "\tNet Adaptor:\t${network_card}"
 fi
 writelog "\tMem:\t\t${mem} MB"
-writelog "\tHostmem:\t${memhost} MB"
+# echo nur wenn hostmem gesetzt
+[ -n "${hostmem}" ] && writelog "\tHostmem:\t${hostmem} MB"
 writelog "\tMax. res.:\t${xres}x${yres}"
 writelog "\tCD-ROM1:\t${cdrom0}"
 writelog "\tCD-ROM2:\t${cdrom1}"
-- 
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