| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| from __future__ import annotations |
| |
| from sqlalchemy import Boolean, Column, Index, String, Text |
| |
| from airflow.models.base import COLLATION_ARGS, ID_LEN, Base |
| from airflow.utils.sqlalchemy import UtcDateTime |
| |
| |
| class SlaMiss(Base): |
| """ |
| Model that stores a history of the SLA that have been missed. |
| |
| It is used to keep track of SLA failures over time and to avoid double triggering alert emails. |
| """ |
| |
| __tablename__ = "sla_miss" |
| |
| task_id = Column(String(ID_LEN, **COLLATION_ARGS), primary_key=True) |
| dag_id = Column(String(ID_LEN, **COLLATION_ARGS), primary_key=True) |
| execution_date = Column(UtcDateTime, primary_key=True) |
| email_sent = Column(Boolean, default=False) |
| timestamp = Column(UtcDateTime) |
| description = Column(Text) |
| notification_sent = Column(Boolean, default=False) |
| |
| __table_args__ = (Index("sm_dag", dag_id, unique=False),) |
| |
| def __repr__(self): |
| return str((self.dag_id, self.task_id, self.execution_date.isoformat())) |