Create a copy of the instance and set default values.
        This is so the base class can create a scraper_config with the proper values.

def _create_cadvisor_prometheus_instance(self, instance):
        """
        Create a copy of the instance and set default values.
        This is so the base class can create a scraper_config with the proper values.
        """
        cadvisor_instance = deepcopy(instance)
        cadvisor_instance.update(
            {
                'namespace': self.NAMESPACE,
                # We need to specify a prometheus_url so the base class can use it as the key for our config_map,
                # we specify a dummy url that will be replaced in the `check()` function. We append it with "cadvisor"
                # so the key is different than the kubelet scraper.
                'prometheus_url': instance.get('cadvisor_metrics_endpoint', 'dummy_url/cadvisor'),
                'ignore_metrics': [
                    'container_cpu_cfs_periods_total',
                    'container_fs_inodes_free',
                    'container_fs_inodes_total',
                    'container_fs_io_current',
                    'container_fs_io_time_seconds_total',
                    'container_fs_io_time_weighted_seconds_total',
                    'container_fs_read_seconds_total',
                    'container_fs_reads_merged_total',
                    'container_fs_reads_total',
                    'container_fs_sector_reads_total',
                    'container_fs_sector_writes_total',
                    'container_fs_write_seconds_total',
                    'container_fs_writes_merged_total',
                    'container_fs_writes_total',
                    'container_last_seen',
                    'container_start_time_seconds',
                    'container_spec_memory_swap_limit_bytes',
                    'container_scrape_error',
                ],
                # Defaults that were set when CadvisorPrometheusScraper was based on PrometheusScraper
                'send_monotonic_counter': instance.get('send_monotonic_counter', False),
                'health_service_check': instance.get('health_service_check', False),
            }
        )
        return cadvisor_instance