cumulative commit of local branch, xen modifications and vmgrid plugin

1 files changed, 124 insertions, 0 deletions

diff --git a/os-plugins/plugins/vmgrid/XX_vmgrid.sh b/os-plugins/plugins/vmgrid/XX_vmgrid.sh
new file mode 100644
index 00000000..d9e35dfb
--- /dev/null
+++ b/os-plugins/plugins/vmgrid/XX_vmgrid.sh
@@ -0,0 +1,124 @@
+# Copyright (c) 2008..2010 - RZ Uni Freiburg
+# Copyright (c) 2008..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
+#
+# script is included from init via the "." load function - thus it has all
+# variables and functions available
+
+# include default directories
+. /etc/openslx.conf
+
+CONFFILE="/initramfs/plugin-conf/vmgrid.conf"
+PLUGINCONFDIR=/mnt/${OPENSLX_DEFAULT_CONFDIR}/plugins/vmgrid
+VIRTUALIZATIONPLUGIN=/mnt/${OPENSLX_DEFAULT_CONFDIR}/plugins/virtualization
+#RWSHARE=/mnt/${OPENSLX_DEFAULT_VARDIR}/plugins/vmgrid/share
+RWSHARE=/mnt/var/opt/openslx/plugins/vmgrid/share
+RWSHAREMNT=/mnt/var/opt/openslx/mnt/vmgrid
+BINDIR=/mnt/${OPENSLX_DEFAULT_BINDIR}
+PLUGINDIR=${OPENSLX_DEFAULT_DIR}/plugin-repo/vmgrid
+VIRTDIR=/mnt/${OPENSLX_DEFAULT_VIRTDIR}/vmgrid
+
+if [ -f $CONFFILE ]; then
+
+  # load needed variables
+  . $CONFFILE
+
+  if [ $vmgrid_active -ne 0 ] ; then
+    [ $DEBUGLEVEL -gt 0 ] && echo "executing the 'vmgrid' os-plugin ..."
+
+    # load general configuration
+    . /etc/initramfs-setup
+    # include functions
+    . /etc/functions
+
+    testmkd ${PLUGINCONFDIR}
+    testmkd ${VIRTDIR}
+    cp $CONFFILE ${PLUGINCONFDIR}/vmgrid.conf
+    # create link to binpath
+    ln -fs ${PLUGINDIR}/vmgrid ${BINDIR}/vmgrid
+    ln -fs ${PLUGINDIR}/run-vmgrid.sh ${BINDIR}/run-vmgrid.sh
+
+    # mount nfs virt ro share
+    if strinstr "nfs://" "${vmgrid_roshare}"; then
+      virtsrcprot=$(uri_token ${vmgrid_roshare} prot)
+      virtsrcserv=$(uri_token ${vmgrid_roshare} server)
+      virtsrcpath="$(uri_token ${vmgrid_roshare} path)"
+      if [ -n "${virtsrcprot}" -a -n "${virtsrcserv}" -a -n "${virtsrcpath}" ];
+        then
+        virtsrctarget=${VIRTDIR}
+        # mount the vmgrid source ro
+        fsmount ${virtsrcprot} ${virtsrcserv} ${virtsrcpath} ${virtsrctarget} \
+          ro
+      fi
+    fi
+
+    # create rw share
+    testmkd ${RWSHARE}
+    # bind mount id 45 to ${RWSHARE}
+    if strinstr "id45" "${vmgrid_rwshare}" ; then
+      id45part=$(grep " 45 " /etc/disk.partition | awk '{print $1}' | \
+        cut -f 3,3 -d /)
+      if [ -n "${id45part}" ]; then
+        testmkd /mnt/media/${id45part}/vmgrid
+        mount --bind -n /mnt/media/${id45part}/vmgrid ${RWSHARE} \
+          >>/tmp/vmgrid.log 2>&1
+      fi
+    # mount nfs rw share
+    elif strinstr "nfs://" "${vmgrid_rwshare}" ; then
+      rwshareprot=$(uri_token ${vmgrid_rwshare} prot)
+      rwshareserv=$(uri_token ${vmgrid_rwshare} server)
+      rwsharepath="$(uri_token ${vmgrid_rwshare} path)"
+      if [ -n "${rwshareprot}" -a -n "${rwshareserv}" -a -n "${rwsharepath}" ];
+      then
+        # mount to a dir fist to create spec host dir, then bind mount
+        testmkd ${RWSHAREMNT}
+        rwtarget=${RWSHAREMNT}
+        # mount the vmgrid source rw
+        fsmount ${rwshareprot} ${rwshareserv} ${rwsharepath} ${rwtarget} rw
+        # hostname?
+        host_name=${host_name:=$clientip}
+        testmkd ${RWSHAREMNT}/${host_name}
+        mount --bind ${RWSHAREMNT}/${host_name} ${RWSHARE} \
+          >>/tmp/vmgrid.log 2>&1
+      fi
+    else
+      testmkd /mnt/tmp/vmgrid
+      mount --bind -n /mnt/tmp/vmgrid ${RWSHARE} >>/tmp/vmgrid.log 2>&1
+    fi
+    # chmod so that everybody can write
+    chmod 1777 ${RWSHARE}
+    echo "vmgrid_rwmnt=${RWSHARE#/mnt}" >> ${PLUGINCONFDIR}/vmgrid.conf
+
+    # virtual virtualization plugin
+    testmkd ${VIRTUALIZATIONPLUGIN}
+    totalmemtest=$(expr $(echo ${vmgrid_memratio} \
+                  | awk -F ',' '{print $1" + "$2" + "$3" + "$4" + "$5" + "$6}'))
+    totalmem=$(expr $(grep -i "memtotal" /proc/meminfo \
+               | awk '{print $2}') / 1024)
+    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} \* ${freememper} / 100)
+      echo "virt_freemem=${freemem}" \
+        >> ${VIRTUALIZATIONPLUGIN}/virtualization.conf
+    else
+      # more than 100% memory assigned stupid!
+      # vmgrid will get this as well and exit!
+      # so we have theoretically 100% free
+      echo "virt_freemem=${totalmem}" \
+        >> ${VIRTUALIZATIONPLUGIN}/virtualization.conf
+    fi
+
+    # finished ...
+    [ $DEBUGLEVEL -gt 0 ] && echo "done with 'vmgrid' os-plugin ..."
+  fi
+[ $DEBUGLEVEL -gt 0 ] && echo "  * configuration of 'vmgrid' os-plugin failed"
+fi