start the service

def on_start(self):
        """
        start the service
        """
        LOGGER.debug("rabbitmq.Service.on_start")
        self.connection = pika.BlockingConnection(self.parameters)
        self.channel = self.connection.channel()
        self.channel.queue_declare(queue=self.serviceQ, auto_delete=True)
        self.channel.basic_consume(self.on_request, self.serviceQ)
        self.service = threading.Thread(target=self.run, name=self.service_name)
        self.service.start()
        self.is_started = True