Source code for airflow.models.taskfail

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"""Taskfail tracks the failed run durations of each task instance"""
from sqlalchemy import Column, Index, Integer, String

from airflow.models.base import Base, ID_LEN
from airflow.utils.sqlalchemy import UtcDateTime

[docs]class TaskFail(Base): """ TaskFail tracks the failed run durations of each task instance. """
[docs] __tablename__ = "task_fail"
[docs] id = Column(Integer, primary_key=True)
[docs] task_id = Column(String(ID_LEN), nullable=False)
[docs] dag_id = Column(String(ID_LEN), nullable=False)
[docs] execution_date = Column(UtcDateTime, nullable=False)
[docs] start_date = Column(UtcDateTime)
[docs] end_date = Column(UtcDateTime)
[docs] duration = Column(Integer)
[docs] __table_args__ = ( Index('idx_task_fail_dag_task_date', dag_id, task_id, execution_date, unique=False),
) def __init__(self, task, execution_date, start_date, end_date): self.dag_id = task.dag_id self.task_id = task.task_id self.execution_date = execution_date self.start_date = start_date self.end_date = end_date if self.end_date and self.start_date: self.duration = int((self.end_date - self.start_date).total_seconds()) else: self.duration = None

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