Apache Airflow dags w/ backend configuration bundle.
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# Licensed to the Apache Software Foundation (ASF) under one
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
# 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 typing import Optional
from airflow.exceptions import AirflowException
from airflow.providers.tableau.hooks.tableau import TableauHook, TableauJobFinishCode
from airflow.sensors.base import BaseSensorOperator
from airflow.utils.decorators import apply_defaults
class TableauJobFailedException(AirflowException):
"""An exception that indicates that a Job failed to complete."""
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: The job to watch.
:type job_id: str
:param site_id: The id of the site where the workbook belongs to.
:type site_id: Optional[str]
:param tableau_conn_id: The Tableau Connection id containing the credentials
to authenticate to the Tableau Server.
:type tableau_conn_id: str
"""
template_fields = ("job_id",)
@apply_defaults
def __init__(
self,
*,
job_id: str,
site_id: Optional[str] = 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: dict) -> bool:
"""
Pokes until the job has successfully finished.
:param context: The task context during execution.
:type context: dict
: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 = TableauJobFinishCode(
int(tableau_hook.server.jobs.get_by_id(self.job_id).finish_code)
)
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