How to use the dockerflow.logging function in dockerflow

patching the default cornice service (which would impact other uses of it)
    """

    default_cors_headers = ("Backoff", "Retry-After", "Alert", "Content-Length", "Content-Type")

    def error_handler(self, request):
        return errors.json_error_handler(request)

    @classmethod
    def init_from_settings(cls, settings):
        cls.cors_origins = tuple(aslist(settings["cors_origins"]))
        cors_max_age = settings["cors_max_age_seconds"]
        cls.cors_max_age = int(cors_max_age) if cors_max_age else None


class JsonLogFormatter(dockerflow_logging.JsonLogFormatter):
    logger_name = "kinto"

    @classmethod
    def init_from_settings(cls, settings):
        cls.logger_name = settings["project_name"]

    def __init__(self, fmt=None, datefmt=None, style="%"):
        # Do not let mozilla-cloud-services-logger constructor to improperly
        # use style as the logger_name.
        # See https://github.com/mozilla/mozilla-cloud-services-logger/issues/3
        logger_name = self.logger_name
        super().__init__(fmt, datefmt, style)
        self.logger_name = logger_name


def get_user_info(request):

patching the default cornice service (which would impact other uses of it)
    """
    default_cors_headers = ('Backoff', 'Retry-After', 'Alert',
                            'Content-Length')

    def error_handler(self, request):
        return errors.json_error_handler(request)

    @classmethod
    def init_from_settings(cls, settings):
        cls.cors_origins = tuple(aslist(settings['cors_origins']))
        cors_max_age = settings['cors_max_age_seconds']
        cls.cors_max_age = int(cors_max_age) if cors_max_age else None


class JsonLogFormatter(dockerflow_logging.JsonLogFormatter):
    logger_name = 'kinto'

    @classmethod
    def init_from_settings(cls, settings):
        cls.logger_name = settings['project_name']

    def __init__(self, fmt=None, datefmt=None, style='%'):
        # Do not let mozilla-cloud-services-logger constructor to improperly
        # use style as the logger_name.
        # See https://github.com/mozilla/mozilla-cloud-services-logger/issues/3
        logger_name = self.logger_name
        super().__init__(fmt, datefmt, style)
        self.logger_name = logger_name


def get_user_info(request):

LogRecord nstance, making those properties available for the formatter(s)
    to use.
    """

    def __init__(self, logger, extra=None):
        super(AmoLoggerAdapter, self).__init__(logger, extra or {})

    def process(self, msg, kwargs):
        kwargs.setdefault('extra', {}).update({
            'REMOTE_ADDR': core.get_remote_addr() or '',
            'USERNAME': getattr(core.get_user(), 'username', None) or ''
        })
        return msg, kwargs


class JsonFormatter(dockerflow.logging.JsonLogFormatter):
    """Like JsonLogFormatter, but with uid and remoteAddressChain set from
    current user and ip, following mozlog format, as well as an additional
    severity field at the root of the output for stackdriver."""

    # Map from Python logging levels to Stackdriver severity levels
    STACKDRIVER_LEVEL_MAP = {
        # 800 is EMERGENCY but Python doesn't have that
        # 700 is ALERT but Python doesn't have that
        logging.CRITICAL: 600,
        logging.ERROR: 500,
        logging.WARNING: 400,
        # 300 is NOTICE but Python doesn't have that
        logging.INFO: 200,
        logging.DEBUG: 100,
        logging.NOTSET: 0,
    }