Patch for FACT-662 Extend ldom.rb to indicate whether ldom creation is supported
Upstream bug: https://tickets.puppetlabs.com/browse/FACT-662
--- facter-2.1.0/lib/facter/ldom.rb.orig	2014-08-20 10:20:46.279840866 -0600
+++ facter-2.1.0/lib/facter/ldom.rb	2014-08-20 10:25:26.560542193 -0600
@@ -46,4 +46,37 @@
       end
     end
   end
+
+
+  #
+  # Resolution: Provides the following logical_domain information.
+  # current: The current environment is logical domain.
+  # supported: The current environment is control domain which can have logical
+  #      domain
+  # unsupported: Logical domain is not supported on the environment
+  #
+  Facter.add("logical_domain") do
+    setcode do
+      virtinfo = %x{/sbin/virtinfo list -H -o class logical-domain 2>/dev/null}
+      virtinfo = virtinfo.split("\n")
+      virtinfo = virtinfo[0] # Doesn't need to check each logical-domain class
+
+      case virtinfo
+      when "supported"
+        virtinfo
+      when "current"
+        # Even control domain can have "logical_domain => current"
+        # To verify, control-role property should be examined.
+        ctrl_role = %x{virtinfo -c current get -Ho value control-role logical-domain 2> /dev/null}
+        case ctrl_role.chomp!
+        when "true"
+          "supported"
+        when "false"
+          virtinfo
+        end
+      else
+        "unsupported"
+      end
+    end
+  end
 end