wait_for_it.rb

          begin
            Timeout.timeout(Chef::Config[:run_command_stdout_timeout]) do
              while stdout.ready? == nil
                Chef::Log.debug("Waiting for STDOUT to be ready..")
                sleep 1
              end
            end
          rescue Timeout::Error => e
            Chef::Log.error("#{args[:command]} timed out reading STDOUT")
          else
            stdout_string = stdout.gets(nil)
            if stdout_string
              command_stdout = stdout_string
              Chef::Log.debug("---- Begin #{args[:command]} STDOUT ----")
              Chef::Log.debug(stdout_string.strip)
              Chef::Log.debug("---- End #{args[:command]} STDOUT ----")
            end
          end