code: def SetServerInformation(self, server, port):
      
      self._host = server
      self._port = port
      logger.debug('Elasticsearch server: {0!s} port: {1:d}'.format(
          server, port))
docs: Set the server information.
  
      Args:
        server (str): IP address or hostname of the server.
        port (int): Port number of the server.