EUCA-3399

tools/eucalyptus-nc.in

@@ -155,7 +155,44 @@ do_start() {
 	    $EUCALYPTUS/usr/sbin/euca-generate-fault -c nc 1008 daemon ntp
         fi
 
-	# fixes #469984
+	    # check for virt extensions in CPU
+    	# First, lets check CPU flags to see if we have hardware support 
+
+    	HYPERVISOR=$(grep ^HYPERVISOR ${EUCALYPTUS}/etc/eucalyptus/eucalyptus.conf | cut -d'"' -f 2)
+    	CPU_MODEL=$(egrep -m1 -w '^flags[[:blank:]]*:' /proc/cpuinfo | egrep -wo '(vmx|svm)')
+
+    	# Be heavy-handed, exit with failure on lack of CPU virtualization support.
+
+    	egrep -m1 -w '^flags[[:blank:]]*:' /proc/cpuinfo | egrep -wo '(vmx|svm)'
+    	if [ $? -ne 0 ] ; then
+        	echo "Terminating! This Node Controller does not have CPU virtualization support. You will not be able to run instances."
+        	echo 
+        	$EUCALYPTUS/usr/sbin/euca-generate-fault -c nc 1012 component nc     
+        	exit 1
+    	fi
+
+	    # Now we check to see if it's enabled in BIOS by loading the kvm modules. Warn rather than exit and suggest the user enables this. 
+    	# For Intel systems
+    	if [ $CPU_MODEL == vmx -a $HYPERVISOR == kvm ] ; then
+       		modprobe kvm_intel
+         		if [ $? -ne 0 ] ; then
+	                echo "Unable to load KVM module, VT-x may be disabled in your systems BIOS, please enable it. You will not be able to launch instances."
+	                echo
+        	        $EUCALYPTUS/usr/sbin/euca-generate-fault -c nc 1012 component nc
+	            fi
+        fi
+
+        # For AMD systems
+        if [ $CPU_MODEL == svm -a $HYPERVISOR == kvm ] ; then
+            modprobe kvm_amd
+                if [ $? -ne 0 ] ; then
+                    echo "Unable to load KVM module, AMD-V may be disabled in your systems BIOS, please enable it. You will not be able to launch instances."
+                    echo
+                    $EUCALYPTUS/usr/sbin/euca-generate-fault -c nc 1012 component nc
+                fi
+        fi  
+
+    	# fixes #469984
 	IPTABLES="`which iptables 2> /dev/null`"
 	if [ -n "$IPTABLES" ]; then
 		[ -x $IPTABLES ] && $IPTABLES -L -n > /dev/null 2> /dev/null

tools/libvirt.xsl

@@ -287,7 +287,7 @@ that describes a Eucalyptus instance to be launched.
                     <console type="pty"/>
                 </xsl:when>
 	</xsl:choose>
-                <!-- <graphics type='vnc' port='-1' autoport='yes' keymap='en-us' listen='0.0.0.0'/> -->
+                <!-- <graphics type='vnc' port='-1' autoport='yes' keymap='en-us' -->
             </devices>
         </domain>
     </xsl:template>

util/faults/en_US/1012.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Copyright 2012 Eucalyptus Systems, Inc.
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 3 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see http://www.gnu.org/licenses/.
+
+  Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
+  CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
+  additional information or have any questions.
+  -->
+<eucafaults version="1" description="Templates for the fault subsystem">
+  <fault
+    id="1012"
+    message="no virtualization support on host.">
+
+    <condition
+      message="The check for virtualization extensions has failed."/>
+
+    <cause
+      message="CPU virtualization extensions are disabled in the BIOS."/>
+
+    <initiator
+      message="${component}"/>
+
+    <location
+      message="CPU capabilities on ${component}"/>
+
+    <resolution>
+      <message>
+            1) Check your CPU supports vendor virtualization extensions.
+            2) Enable CPU virtualization extensions in the systems BIOS.
+            3) Ensure KVM modules can be loaded.
+      </message>
+    </resolution>
+  </fault>
+</eucafaults>