Source code for airflow.providers.amazon.aws.sensors.glue

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from typing import TYPE_CHECKING, List, Optional, Sequence

from airflow.exceptions import AirflowException
from airflow.providers.amazon.aws.hooks.glue import GlueJobHook
from airflow.sensors.base import BaseSensorOperator

if TYPE_CHECKING:
    from airflow.utils.context import Context



[docs]class GlueJobSensor(BaseSensorOperator):
    """
    Waits for an AWS Glue Job to reach any of the status below
    'FAILED', 'STOPPED', 'SUCCEEDED'

    .. seealso::
        For more information on how to use this sensor, take a look at the guide:
        :ref:`howto/sensor:GlueJobSensor`

    :param job_name: The AWS Glue Job unique name
    :param run_id: The AWS Glue current running job identifier
    :param verbose: If True, more Glue Job Run logs show in the Airflow Task Logs.  (default: False)
    """


[docs]    template_fields: Sequence[str] = ('job_name', 'run_id')


    def __init__(
        self,
        *,
        job_name: str,
        run_id: str,
        verbose: bool = False,
        aws_conn_id: str = 'aws_default',
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.job_name = job_name
        self.run_id = run_id
        self.verbose = verbose
        self.aws_conn_id = aws_conn_id
        self.success_states: List[str] = ['SUCCEEDED']
        self.errored_states: List[str] = ['FAILED', 'STOPPED', 'TIMEOUT']
        self.next_log_token: Optional[str] = None


[docs]    def poke(self, context: 'Context'):
        hook = GlueJobHook(aws_conn_id=self.aws_conn_id)
        self.log.info('Poking for job run status :for Glue Job %s and ID %s', self.job_name, self.run_id)
        job_state = hook.get_job_state(job_name=self.job_name, run_id=self.run_id)
        job_failed = False

        try:
            if job_state in self.success_states:
                self.log.info('Exiting Job %s Run State: %s', self.run_id, job_state)
                return True
            elif job_state in self.errored_states:
                job_failed = True
                job_error_message = 'Exiting Job %s Run State: %s', self.run_id, job_state
                self.log.info(job_error_message)
                raise AirflowException(job_error_message)
            else:
                return False
        finally:
            if self.verbose:
                self.next_log_token = hook.print_job_logs(
                    job_name=self.job_name,
                    run_id=self.run_id,
                    job_failed=job_failed,
                    next_token=self.next_log_token,

                )

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