Evaluate all of the configured beacons, grab the config again in case
        the pillar or grains changed

def process_beacons(self, functions):
        '''
        Evaluate all of the configured beacons, grab the config again in case
        the pillar or grains changed
        '''
        if 'config.merge' in functions:
            b_conf = functions['config.merge']('beacons', self.opts['beacons'], omit_opts=True)
            if b_conf:
                return self.beacons.process(b_conf, self.opts['grains'])  # pylint: disable=no-member
        return []