def stop_all
      @servers.each do |s|
        terminate_server(s) if s.state == 'operational' || s.state == 'stranded'
      end
      @servers.each { |s| s.wait_for_state("stopped") }
      # unset dns in our local cached copy..
      @servers.each { |s| s.params['dns-name'] = nil }
    end
def stop_all
      @servers.each do |s|
        terminate_server(s) if s.state == 'operational' || s.state == 'stranded'
      end
      @servers.each { |s| s.wait_for_state("stopped") }
      # unset dns in our local cached copy..
      @servers.each { |s| s.params['dns-name'] = nil }
    end
Use the termination script to stop all the servers (this cleans up the volumes)