can use something like
 egrep -h -o 'conf.get\('.*'\)|conf.get\('.*', .*\)'  * | sort | uniq 

to generate a list like below that can be compared against what's in the conf-samples.

conf.get('access_' + key, conf.get(key, None))
conf.get('account_autocreate', 'no').lower()
conf.get('account_blacklist', '').split(',') if acc.strip()
conf.get('account_ratelimit', 0))
conf.get('account_suppression_time', 60))
conf.get('account_whitelist', '').split(',') if acc.strip()
conf.get('allow_account_management', 'no').lower()
conf.get('allowed_headers',
conf.get('allowed_sync_hosts', '127.0.0.1').split(',')
conf.get('allow_overrides', 't').lower()
conf.get('allow_versions', 'f').lower()
conf.get('auth_prefix', '/auth/')
conf.get('auth_ssl', 'no').lower() in ('yes', 'true', 'on', '1')
conf.get('auth_version', '1.0'))
conf.get('auto_create_account_prefix')
conf.get('backlog', 4096))
conf.get('bind_ip', '0.0.0.0')
conf.get('bind_ip', '127.0.0.1')
conf.get('bind_port', 6000))
conf.get('bind_port', 6001))
conf.get('bind_port', '8080')
conf.get('bytes_per_second',
conf.get('cache_timeout', 300))
conf.get('client_chunk_size', 65536))
conf.get('client_timeout', 60))
conf.get('clock_accuracy', 1000))
conf.get('concurrency', 1))
conf.get('concurrency', 25))
conf.get('concurrency', 4))
conf.get('concurrency', 8))
conf.get('conn_timeout', 0.5))
conf.get('container_time', 60))
conf.get('daemonize', 'true').lower()
conf.get('db_preallocation', 't').lower()
conf.get('delay_reaping') or 0)
conf.get('deny_host_headers', '').split(',') if host.strip()
conf.get('device_dir', '/srv/node')
conf.get('devices', '/srv/node/')
conf.get('devices', '/srv/node')
conf.get('disk_chunk_size', 65536))
conf.get('dispersion_coverage', 1))
conf.get('dump_json', 'no').lower()
conf.get('error_limit', 1))
conf.get('error_suppression_interval', 60))
conf.get('error_suppression_limit', 10))
conf.get('expiring_objects_container_divisor') or 86400)
conf.get('__file__')
conf.get('files_per_second', 20))
conf.get('forbidden_chars',
conf.get('http_timeout', 60))
conf.get('interval', 1800))
conf.get('interval', 300))
conf.get('interval', 3600))
conf.get('ip', '127.0.0.1')
conf.get('lockup_timeout', 1800))
conf.get('log_facility', 'LOG_LOCAL0')
conf.get('log_headers')
conf.get('log_headers', 'f').lower()
conf.get('log_headers', 'no').lower()
conf.get('log_headers') == 'True'
conf.get('log_level', 'INFO').upper(), logging.INFO))
conf.get('log_name', app_section)
conf.get('log_name', 'drive-audit')
conf.get('log_name', 'recon-cron')
conf.get('log_name', section_name)
conf.get('log_name', section_name),
conf.get('log_name', 'swift')
conf.get('log_requests', 't')[:1].lower()
conf.get('log_sleep_time_seconds', 0))
conf.get('log_time', 3600))
conf.get('lookup_depth', '1'))
conf.get('max_containers_per_account') or 0)
conf.get('max_containers_whitelist', '').split(',')
conf.get('max_diffs') or 100)
conf.get('maximum_length', MAX_LENGTH)
conf.get('max_sleep_time_seconds', 60))
conf.get('max_upload_time', 86400))
conf.get('mb_per_sync', 512))
conf.get('memcache', 'memcache_servers')
conf.get('memcache_servers')
conf.get('minutes', 60))
conf.get('mount_check', 'true').lower()
conf.get('network_chunk_size', 65536))
conf.get('node_timeout', 10))
conf.get('node_timeout', 3))
conf.get('object_chunk_size', 65536))
conf.get('object_post_as_copy', 'true').lower()
conf.get('path_root', 'v1').strip('/')
conf.get('per_diff', 1000))
conf.get('port', 11000))
conf.get('prefix', '/')
conf.get('put_queue_depth', 10))
conf.get('rate_buffer_seconds', 5))
conf.get('recheck_account_existence', 60))
conf.get('recheck_container_existence', 60))
conf.get('reclaim_age', 86400 * 7))
conf.get('recon_cache_path', '/var/cache/swift')
conf.get('report_interval') or 300)
conf.get('reseller_prefixes', 'AUTH')
conf.get('retries', 5))
conf.get('ring_check_interval', 15))
conf.get('rsync_io_timeout', '30')
conf.get('rsync_timeout', 900))
conf.get('run_pause', 30))
conf.get('slow', 0))
conf.get('slowdown', 0.01))
conf.get('ssl', 'false').lower() in ('true', 'on', '1', 'yes')
conf.get('stats_interval', '300'))
conf.get('storage_domain', 'example.com')
conf.get('swift_dir', '/etc/swift')
conf.get('swift-hash',
conf.get('sync_proxy')
conf.get('token_life', 86400))
conf.get('user', 'swift'))
conf.get('workers', '1'))