docs: def export(self, name, columns, points):
          """Write the points in RabbitMQ."""
          data = ('hostname=' + self.hostname + ', name=' + name +
                  ', dateinfo=' + datetime.datetime.utcnow().isoformat())
          for i in range(len(columns)):
              if not isinstance(points[i], Number):
                  continue
              else:
                  data += ", " + columns[i] + "=" + str(points[i])
          logger.debug(data)
          try:
              self.client.basic_publish(exchange='', routing_key=self.queue, body=data)
          except Exception as e:
              logger.error("Can not export stats to RabbitMQ (%s)" % e)