# File lib/openshift-origin-controller/app/models/group_instance.rb, line 27
  def node_profile
    # node_profile can be nil for older data.  Should migrate everything to have a node_profile 
    # with the next major migration.
    if @node_profile.nil?
      return Application::DEFAULT_NODE_PROFILE
    else
      return @node_profile
    end
  end