airflow health_endpoint 源码
airflow health_endpoint 代码
文件路径：/airflow/api_connexion/endpoints/health_endpoint.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 airflow.api_connexion.schemas.health_schema import health_schema
from airflow.api_connexion.types import APIResponse
from airflow.jobs.scheduler_job import SchedulerJob
HEALTHY = "healthy"
UNHEALTHY = "unhealthy"
def get_health() -> APIResponse:
"""Return the health of the airflow scheduler and metadatabase"""
metadatabase_status = HEALTHY
latest_scheduler_heartbeat = None
scheduler_status = UNHEALTHY
try:
scheduler_job = SchedulerJob.most_recent_job()
if scheduler_job:
latest_scheduler_heartbeat = scheduler_job.latest_heartbeat.isoformat()
if scheduler_job.is_alive():
scheduler_status = HEALTHY
except Exception:
metadatabase_status = UNHEALTHY
payload = {
"metadatabase": {"status": metadatabase_status},
"scheduler": {
"status": scheduler_status,
"latest_scheduler_heartbeat": latest_scheduler_heartbeat,
},
}
return health_schema.dump(payload)
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