# File lib/mcollective/rpc/stats.rb, line 134
      def text_for_aggregates
        result = StringIO.new

        @aggregate_summary.each do |aggregate|
          output_item = aggregate.result[:output]

          begin
            action_interface = @ddl.action_interface(aggregate.action)
            display_as = action_interface[:output][output_item][:display_as]
          rescue
            display_as = output_item
          end

          if aggregate.is_a?(Aggregate::Result::Base)
            aggregate_report = aggregate.to_s
          else
            next
          end

          result.puts Util.colorize(:bold, "Summary of %s:" % display_as)
          result.puts
          unless aggregate_report == ""
            result.puts aggregate.to_s.split("\n").map{|x| "   " + x}.join("\n")
          else
            result.puts Util.colorize(:yellow, "     No aggregate summary could be computed")
          end
          result.puts
        end

        @aggregate_failures.each do |failed|
          case(failed[:type])
          when :startup
            message = "exception raised while processing startup hook"
          when :create
            message = "unspecified output '#{failed[:name]}' for the action"
          when :process_result
            message = "exception raised while processing result data"
          when :summarize
            message = "exception raised while summarizing"
          end

          result.puts Util.colorize(:bold, "Summary of %s:" % failed[:name])
          result.puts
          result.puts Util.colorize(:yellow, "     Could not compute summary - %s" % message)
          result.puts
        end

        result.string
      end