Fix UEFI detection on KVM

Author: nvazquez

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java

@@ -1414,6 +1414,10 @@ private void configureAgentHooks(final Map<String, Object> params) {
         s_logger.debug("agent.hooks.libvirt_vm_on_stop.method is " + _agentHooksVmOnStopMethod);
     }
 
+    public boolean isUefiPropertiesFileSet() {
+        return PropertiesUtil.findConfigFile("uefi.properties") != null;
+    }
+
     private void loadUefiProperties() throws FileNotFoundException {
 
         if (_uefiProperties != null && _uefiProperties.getProperty("guest.loader.legacy") != null) {

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtReadyCommandWrapper.java

@@ -42,7 +42,7 @@ public final class LibvirtReadyCommandWrapper extends CommandWrapper<ReadyComman
     public Answer execute(final ReadyCommand command, final LibvirtComputingResource libvirtComputingResource) {
         Map<String, String> hostDetails = new HashMap<String, String>();
 
-        if (hostSupportsUefi()) {
+        if (hostSupportsUefi() && libvirtComputingResource.isUefiPropertiesFileSet()) {
             hostDetails.put(Host.HOST_UEFI_ENABLE, Boolean.TRUE.toString());
         }