airflow tasklog 源码
airflow tasklog 代码
文件路径：/airflow/models/tasklog.py
#
# 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 Column, Integer, Text
from airflow.models.base import Base
from airflow.utils import timezone
from airflow.utils.sqlalchemy import UtcDateTime
class LogTemplate(Base):
"""Changes to ``log_filename_template`` and ``elasticsearch_id``.
This table is automatically populated when Airflow starts up, to store the
config's value if it does not match the last row in the table.
"""
__tablename__ = "log_template"
id = Column(Integer, primary_key=True, autoincrement=True)
filename = Column(Text, nullable=False)
elasticsearch_id = Column(Text, nullable=False)
created_at = Column(UtcDateTime, nullable=False, default=timezone.utcnow)
def __repr__(self) -> str:
attrs = ", ".join(f"{k}={getattr(self, k)}" for k in ("filename", "elasticsearch_id"))
return f"LogTemplate({attrs})"
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