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