def test_configure_s3_resources(self, mock_load_file, mock_create_bucket): hook = SageMakerHook() evaluation_result = {'Image': image, 'Role': role} hook.configure_s3_resources(test_evaluation_config) self.assertEqual(test_evaluation_config, evaluation_result) mock_create_bucket.assert_called_once_with(bucket_name=bucket) mock_load_file.assert_called_once_with(path, key, bucket)
class SageMakerBaseOperator(BaseOperator): """ This is the base operator for all SageMaker operators. :param config: The configuration necessary to start a training job (templated) :type config: dict :param aws_conn_id: The AWS connection ID to use. :type aws_conn_id: str """ template_fields = ['config'] template_ext = () ui_color = '#ededed' integer_fields = [] # type: Iterable[Iterable[str]] @apply_defaults def __init__(self, config, aws_conn_id='aws_default', *args, **kwargs): super().__init__(*args, **kwargs) self.aws_conn_id = aws_conn_id self.config = config self.hook = None def parse_integer(self, config, field): """Recursive method for parsing string fields holding integer values to integers.""" if len(field) == 1: if isinstance(config, list): for sub_config in config: self.parse_integer(sub_config, field) return head = field[0] if head in config: config[head] = int(config[head]) return if isinstance(config, list): for sub_config in config: self.parse_integer(sub_config, field) return head, tail = field[0], field[1:] if head in config: self.parse_integer(config[head], tail) return def parse_config_integers(self): """ Parse the integer fields of training config to integers in case the config is rendered by Jinja and all fields are str. """ for field in self.integer_fields: self.parse_integer(self.config, field) def expand_role(self): """Placeholder for calling boto3's expand_role(), which expands an IAM role name into an ARN.""" def preprocess_config(self): """Process the config into a usable form.""" self.log.info( 'Preprocessing the config and doing required s3_operations') self.hook = SageMakerHook(aws_conn_id=self.aws_conn_id) self.hook.configure_s3_resources(self.config) self.parse_config_integers() self.expand_role() self.log.info( "After preprocessing the config is:\n %s", json.dumps(self.config, sort_keys=True, indent=4, separators=(",", ": ")), ) def execute(self, context): raise NotImplementedError('Please implement execute() in sub class!')