<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def setup(self):
 """Initialize the consumer, setting up needed attributes and connecting to RabbitMQ. """

        LOGGER.info('Initializing for %s', self.name)

        if 'consumer' not in self.consumer_config:
            return self.on_startup_error(
                '"consumer" not specified in configuration')

        self.consumer = self.get_consumer(self.consumer_config)

        if not self.consumer:
            return self.on_startup_error(
                'Could not import "{}"'.format(
                    self.consumer_config.get(
                        'consumer', 'unconfigured consumer')))

        self.setup_instrumentation()
        self.reset_error_counter()
        self.setup_sighandlers()
        self.create_connections()