liminal/runners/airflow/tasks/defaults/job_end.py

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from liminal.runners.airflow.operators.job_status_operator import JobEndOperator
from liminal.runners.airflow.tasks.defaults.job_phase_task import JobPhaseTask


class JobEndTask(JobPhaseTask):
    """
      Job end task. Reports job end metrics.
    """

    def __init__(self, dag, liminal_config, pipeline_config, task_config, parent, trigger_rule):
        super().__init__(dag, liminal_config, pipeline_config, task_config, parent, trigger_rule)

    def apply_task_to_dag(self):
        job_end_task = JobEndOperator(
            task_id='end',
            namespace=self.metrics_namespace,
            application_name=self.pipeline_config['pipeline'],
            backends=self.metrics_backends,
            dag=self.dag,
            trigger_rule=self.trigger_rule
        )

        if self.parent:
            self.parent.set_downstream(job_end_task)

        return job_end_task