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import warnings
from typing import TYPE_CHECKING, Optional

from airflow.exceptions import AirflowException
from import GlueCrawlerHook
from airflow.sensors.base import BaseSensorOperator

    from airflow.utils.context import Context

[docs]class GlueCrawlerSensor(BaseSensorOperator): """ Waits for an AWS Glue crawler to reach any of the statuses below 'FAILED', 'CANCELLED', 'SUCCEEDED' .. seealso:: For more information on how to use this sensor, take a look at the guide: :ref:`howto/sensor:GlueCrawlerSensor` :param crawler_name: The AWS Glue crawler unique name :param aws_conn_id: aws connection to use, defaults to 'aws_default' """ def __init__(self, *, crawler_name: str, aws_conn_id: str = 'aws_default', **kwargs) -> None: super().__init__(**kwargs) self.crawler_name = crawler_name self.aws_conn_id = aws_conn_id self.success_statuses = 'SUCCEEDED' self.errored_statuses = ('FAILED', 'CANCELLED') self.hook: Optional[GlueCrawlerHook] = None
[docs] def poke(self, context: 'Context'): hook = self.get_hook()"Poking for AWS Glue crawler: %s", self.crawler_name) crawler_state = hook.get_crawler(self.crawler_name)['State'] if crawler_state == 'READY':"State: %s", crawler_state) crawler_status = hook.get_crawler(self.crawler_name)['LastCrawl']['Status'] if crawler_status == self.success_statuses:"Status: %s", crawler_status) return True else: raise AirflowException(f"Status: {crawler_status}") else: return False
[docs] def get_hook(self) -> GlueCrawlerHook: """Returns a new or pre-existing GlueCrawlerHook""" if self.hook: return self.hook self.hook = GlueCrawlerHook(aws_conn_id=self.aws_conn_id) return self.hook
[docs]class AwsGlueCrawlerSensor(GlueCrawlerSensor): """ This sensor is deprecated. Please use :class:``. """ def __init__(self, *args, **kwargs): warnings.warn( "This sensor is deprecated. " "Please use :class:``.", DeprecationWarning, stacklevel=2, ) super().__init__(*args, **kwargs)

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