airflow json_client 源码
airflow json_client 代码
文件路径:/airflow/api/client/json_client.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.
"""JSON API Client"""
from __future__ import annotations
from urllib.parse import urljoin
from airflow.api.client import api_client
class Client(api_client.Client):
"""Json API client implementation."""
def _request(self, url, method='GET', json=None):
params = {
'url': url,
}
if json is not None:
params['json'] = json
resp = getattr(self._session, method.lower())(**params)
if resp.is_error:
# It is justified here because there might be many resp types.
try:
data = resp.json()
except Exception:
data = {}
raise OSError(data.get('error', 'Server error'))
return resp.json()
def trigger_dag(self, dag_id, run_id=None, conf=None, execution_date=None):
endpoint = f'/api/experimental/dags/{dag_id}/dag_runs'
url = urljoin(self._api_base_url, endpoint)
data = self._request(
url,
method='POST',
json={
"run_id": run_id,
"conf": conf,
"execution_date": execution_date,
},
)
return data['message']
def delete_dag(self, dag_id):
endpoint = f'/api/experimental/dags/{dag_id}/delete_dag'
url = urljoin(self._api_base_url, endpoint)
data = self._request(url, method='DELETE')
return data['message']
def get_pool(self, name):
endpoint = f'/api/experimental/pools/{name}'
url = urljoin(self._api_base_url, endpoint)
pool = self._request(url)
return pool['pool'], pool['slots'], pool['description']
def get_pools(self):
endpoint = '/api/experimental/pools'
url = urljoin(self._api_base_url, endpoint)
pools = self._request(url)
return [(p['pool'], p['slots'], p['description']) for p in pools]
def create_pool(self, name, slots, description):
endpoint = '/api/experimental/pools'
url = urljoin(self._api_base_url, endpoint)
pool = self._request(
url,
method='POST',
json={
'name': name,
'slots': slots,
'description': description,
},
)
return pool['pool'], pool['slots'], pool['description']
def delete_pool(self, name):
endpoint = f'/api/experimental/pools/{name}'
url = urljoin(self._api_base_url, endpoint)
pool = self._request(url, method='DELETE')
return pool['pool'], pool['slots'], pool['description']
def get_lineage(self, dag_id: str, execution_date: str):
endpoint = f"/api/experimental/lineage/{dag_id}/{execution_date}"
url = urljoin(self._api_base_url, endpoint)
data = self._request(url, method='GET')
return data['message']
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