From 9a95c0c2d4a6382683725d5be0ab9171f9aed828 Mon Sep 17 00:00:00 2001
From: Michael Janczyk
Date: Tue, 30 Mar 2010 20:11:25 +0200
Subject: diskless boot + minor modifications, virtualization.conf /w freemem

---
 .../plugins/virtualbox/files/machine.include       |  2 +-
 .../plugins/virtualbox/files/run-virt.include      | 61 ++++++++++------------
 2 files changed, 28 insertions(+), 35 deletions(-)

(limited to 'os-plugins/plugins/virtualbox')

diff --git a/os-plugins/plugins/virtualbox/files/machine.include b/os-plugins/plugins/virtualbox/files/machine.include
index 125e45cd..78c4bee8 100644
--- a/os-plugins/plugins/virtualbox/files/machine.include
+++ b/os-plugins/plugins/virtualbox/files/machine.include
@@ -111,7 +111,7 @@ cat << EOF > "${machconfig}"
       <StorageController name="IDE-Controller" type="PIIX4" PortCount="2">
         <AttachedDevice type="HardDisk" port="0" device="0">
           <Image uuid="{${imageuuid}}"/>
-        </AttachedDevice>
+        </AttachedDevice> <!-- PLEASE DO NOT REMOVE THIS COMMENT!!! -->
         <!--
         <AttachedDevice passthrough="false" type="DVD" port="0" device="0">
           <Image uuid="{dcd1e32a-729f-4faa-b319-67adca15e4a4}"/>
diff --git a/os-plugins/plugins/virtualbox/files/run-virt.include b/os-plugins/plugins/virtualbox/files/run-virt.include
index 8543e376..f904b5f2 100644
--- a/os-plugins/plugins/virtualbox/files/run-virt.include
+++ b/os-plugins/plugins/virtualbox/files/run-virt.include
@@ -61,12 +61,12 @@ fi
 
 # link to image
 diskfile="${diskfolder}/${imgname}"
-ln -sf ${vmpath} ${diskfile}
+[ ${diskless} -eq 0 ] && ln -sf ${vmpath} ${diskfile}
 
 # check the file type
-if echo ${imgname} | grep -iE "vdi|vmdk|vhd" >/dev/null 2>&1; then
+if echo ${imgname} | grep -iE "vdi|vmdk|vhd" && [ ${diskless} -eq 0 ]; then
   imgfmt=$(echo ${imgname##*.} | tr [a-z] [A-Z])
-else
+elif [ ${diskless} -eq 0 ]; then
   writelog "${imgname} is not a valid image format (vdi|vmdk|vhd), exiting!"
   exit 1
 fi
@@ -92,7 +92,7 @@ writelog "Directories:"
 writelog "\tConfig dir:\t\t$confdir"
 writelog "\tMachines dir:\t\t$machfolder"
 writelog "\tMachine config:\t\t$machconfig"
-writelog "\tHardDisks dir:\t\t$diskfolder"
+[ ${diskless} -eq 0 ] && writelog "\tHardDisks dir:\t\t$diskfolder"
 
 ################################################################################
 ### Hardware checks
@@ -105,9 +105,9 @@ macaddr=$(echo ${macaddr} | sed 's/://g')
 machineuuid="00000000-0000-0000-0000-${macaddr}"
 # cosmetical, since UUID in lower case
 machineuuid=$(echo ${machineuuid} | tr [A-Z] [a-z])
-# get UUID of VBox image
-diskuuid=$(VBoxManage -q showvdiinfo ${diskfile} | grep UUID \
-           | awk '{print $2}')
+# get UUID of VBox image, if not diskless
+[ ${diskless} -eq 0 ] && diskuuid=$(VBoxManage -q showvdiinfo ${diskfile} \
+                                    | grep UUID | awk '{print $2}')
 # make disk immutable
 imgtype="Immutable"
 # snapshot UUID is static
@@ -136,7 +136,7 @@ if echo "${imgmode}" | grep -q rw; then
   imgtype="Normal"
   # replace image uuid in machine config
   imageuuid=${diskuuid}
-else
+elif [ ${diskless} -eq 0 ]; then
   # use temp disk as snapshot
   cat ${PLUGINDIRVIRTUALBOX}/empty-diff.vdi.gz \
     | gunzip > "${snapshotdir}/{${snapshotuuid}}.vdi"
@@ -257,15 +257,14 @@ else
   boot="HardDisk"
 fi
 
-writelog "\tSnapshots dir:\t\t$snapshotdir"
+[ ${diskless} -eq 0 ] && writelog "\tSnapshots dir:\t\t$snapshotdir"
 writelog "Diskimage:"
-writelog "\tDisk file:\t\t$diskfile"
-writelog "\tDisk format:\t\t$imgfmt"
-writelog "\tDisk type:\t\t$imgtype"
-writelog "\tVMostype:\t\t$vmostype"
-writelog "\tMachine UUID:\t\t$machineuuid"
-writelog "\tDisk UUID:\t\t$diskuuid"
-writelog "\tSnapshot UUID:\t\t$snapshotuuid"
+[ ${diskless} -eq 0 ] && writelog "\tDisk file:\t\t$diskfile"
+[ ${diskless} -eq 0 ] && writelog "\tDisk format:\t\t$imgfmt"
+[ ${diskless} -eq 0 ] && writelog "\tDisk type:\t\t$imgtype"
+  writelog "\tVMostype:\t\t$vmostype"
+  writelog "\tMachine UUID:\t\t$machineuuid"
+[ ${diskless} -eq 0 ] && writelog "\tDisk UUID:\t\t$diskuuid"
 writelog "Virtual Hardware:"
 writelog "\tGuest RAM:\t\t${mem} MB"
 # echo nur wenn memhost gesetzt
@@ -273,7 +272,9 @@ writelog "\tGuest RAM:\t\t${mem} MB"
 writelog "\tMAC address:\t\t$macaddr"
 writelog "\tNetwork card:\t\t${vb_network_card}"
 writelog "\tNetwork kind:\t\t${network_kind}"
-writelog "\tBooting from:\t\t${boot}"
+writelog "\tBooting from:\t\t${boot}\c"
+[ ${diskless} -eq 0 ] && writelog ""
+[ ${diskless} -eq 1 ] && writelog " 'diskless'"
 # TODO: server start activate via xml, etc...
 #writelog "\tGuest VRDP port:\t${vrdpport}"
 #writelog "\tCD-ROM1:\t${cdrom0}"
@@ -301,6 +302,14 @@ fi
 # create machine.xml
 . ${PLUGINCONFVIRTUALBOX}/machine.include
 
+# if diskless remove all disks
+if [ ${diskless} -eq 1 ]; then
+  sed -i "/<HardDisk/d;/<\/HardDisk/d" "${confdir}/VirtualBox.xml"
+  sed -i "/${imageuuid}/d" ${machconfig}
+  sed -i '/AttachedDevice type="HardDisk"/d' ${machconfig}
+  sed -i "/<!-- PLEASE DO NOT REMOVE THIS COMMENT!!! -->/d" ${machconfig}
+fi
+
 # add ssh port if linux and NAT
 if [ "${vmostype}" = "Linux26" ] && [ "${network_kind}" = "NAT" ]; then
   vmsshport="220${VM_ID}"
@@ -322,33 +331,17 @@ fi
 
 # wait for a certain command to settle
 # get the PID of the right process
-# TODO: not very good! But seems to work
-# TODO: not needed? KILL!!!
+# kill PID, seems to work
 VBMANPID=$(pstree -p | grep VBoxXPCOMIPCD | grep -ivE "VirtualBox|VBoxHeadless"\
   | sed -e "s/.*VBoxXPCOMIPCD(\(.*\)).*/\1/")
 for i in $(echo ${VBMANPID}); do
   kill -9 ${VBMANPID} >/dev/null 2>&1
 done
-# TODO: OLD Version, NOW: KILL process
-#VBMANPID=$(pstree -p | grep VBoxXPCOMIPCD | grep -ivE "VirtualBox|VBoxHeadless"\
-#  | sed -e "s/.*VBoxXPCOMIPCD(\(.*\)).*/\1/" | tail -n 1)
-#for i in {0..999}; do
-#  ps aux | grep -v grep | grep VBoxXPCOMIPCD | grep -q " ${VBMANPID} " || break
-#  if [ $i -eq 999 ]; then
-#    kill -9 ${VBMANPID} >/dev/null 2>&1
-#    writelog "Process ID ${VBMANPID} did not finish, killing!"
-#  fi
-#done
 
 # set the variables appropriately (several interfaces with different names)
 VIRTCMD=$(which VirtualBox 2>/dev/null)
 VIRTCMDOPTS="--startvm ${machineuuid} --start-running"
 
-# SDL tests
-#VIRTCMDSDL=$(which VBoxSDL 2>/dev/null)
-#VIRTCMDOPTSSDL="--startvm ${machineuuid} --fullscreen --hwvirtex --memory 1024 \
-#  --fixedmode 1680 1050 24 --hostkey 302 0"
-
 # set headless mode
 VIRTCMDHL=$(which VBoxHeadless 2>/dev/null)
 VIRTCMDOPTSHL="-s ${machineuuid}"
-- 
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