airflow tableau 源码
airflow tableau 代码
文件路径：/airflow/providers/tableau/sensors/tableau.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 typing import TYPE_CHECKING, Sequence
from airflow.providers.tableau.hooks.tableau import (
TableauHook,
TableauJobFailedException,
TableauJobFinishCode,
)
from airflow.sensors.base import BaseSensorOperator
if TYPE_CHECKING:
from airflow.utils.context import Context
class TableauJobStatusSensor(BaseSensorOperator):
"""
Watches the status of a Tableau Server Job.
.. seealso:: https://tableau.github.io/server-client-python/docs/api-ref#jobs
:param job_id: Id of the job to watch.
:param site_id: The id of the site where the workbook belongs to.
:param tableau_conn_id: The :ref:`Tableau Connection id <howto/connection:tableau>`
containing the credentials to authenticate to the Tableau Server.
"""
template_fields: Sequence[str] = ('job_id',)
def __init__(
self,
*,
job_id: str,
site_id: str | None = None,
tableau_conn_id: str = 'tableau_default',
**kwargs,
) -> None:
super().__init__(**kwargs)
self.tableau_conn_id = tableau_conn_id
self.job_id = job_id
self.site_id = site_id
def poke(self, context: Context) -> bool:
"""
Pokes until the job has successfully finished.
:param context: The task context during execution.
:return: True if it succeeded and False if not.
:rtype: bool
"""
with TableauHook(self.site_id, self.tableau_conn_id) as tableau_hook:
finish_code = tableau_hook.get_job_status(job_id=self.job_id)
self.log.info('Current finishCode is %s (%s)', finish_code.name, finish_code.value)
if finish_code in (TableauJobFinishCode.ERROR, TableauJobFinishCode.CANCELED):
raise TableauJobFailedException('The Tableau Refresh Workbook Job failed!')
return finish_code == TableauJobFinishCode.SUCCESS
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