def get_default_rule_config(self):
        """
        Return the default config for a rule
        """
        config = {}
        config.update({
            'collector': '',
            'metric': '',
            'namespace': '',
            'name': '',
            'unit': 'None',
            'collect_by_instance': True,
            'collect_without_dimension': False,
            'dimensions': {}
        })
        return config

        Return the default config for a rule
        
src/diamond/handler/cloudwatch.py