Added option to enable kvm_hidden feature in virt-install cmd-line

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

man/virt-install.pod

@@ -246,6 +246,10 @@ Enable APIC PV EOI
 
 Enable hypver VAPIC, but disable spinlocks
 
+=item B<--features kvm_hidden=on>
+
+Allow the KVM hypervisor signature to be hidden from the guest
+
 =back
 
 Use --features=? to see a list of all available sub options. Complete details at L<http://libvirt.org/formatdomain.html#elementsFeatures>

tests/xmlparse-xml/change-guest-out.xml

@@ -21,6 +21,9 @@
     </hyperv>
     <vmport state="on"/>
     <viridian/>
+    <kvm>
+      <hidden state="on"/>
+    </kvm>
   </features>
   <numatune>
     <memory nodeset="2,4,6"/>

tests/xmlparse.py

@@ -162,6 +162,7 @@ class XMLParseTest(unittest.TestCase):
         check("hyperv_spinlocks", True, True)
         check("hyperv_spinlocks_retries", 12287, 54321)
         check("vmport", False, True)
+        check("kvm_hidden", None, True)
 
         check = self._make_checker(guest.cpu)
         check("match", "exact", "strict")

virtinst/cli.py

@@ -1515,6 +1515,7 @@ class ParserFeatures(VirtCLIParser):
             "hyperv_spinlocks_retries")
 
         self.set_param("vmport", "vmport", is_onoff=True)
+        self.set_param("kvm_hidden", "kvm_hidden", is_onoff=True)
 
 
 ###################

virtinst/domainfeatures.py

@@ -48,3 +48,4 @@ class DomainFeatures(XMLBuilder):
 
     vmport = XMLProperty("./vmport/@state", is_onoff=True,
                          default_name="default", default_cb=lambda s: False)
+    kvm_hidden = XMLProperty("./kvm/hidden/@state", is_onoff=True)