# 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 typing import Optional from airflow.exceptions import AirflowException from airflow.models import BaseOperator from airflow.providers.tableau.hooks.tableau import TableauHook from airflow.utils.decorators import apply_defaults from tableauserverclient import WorkbookItem class TableauRefreshWorkbookOperator(BaseOperator): """ Refreshes a Tableau Workbook/Extract .. seealso:: https://tableau.github.io/server-client-python/docs/api-ref#workbooks :param workbook_name: The name of the workbook to refresh. :type workbook_name: str :param site_id: The id of the site where the workbook belongs to. :type site_id: Optional[str] :param blocking: By default the extract refresh will be blocking means it will wait until it has finished. :type blocking: bool :param tableau_conn_id: The Tableau Connection id containing the credentials to authenticate to the Tableau Server. :type tableau_conn_id: str """ @apply_defaults def __init__( self, *, workbook_name: str, site_id: Optional[str] = None, blocking: bool = True, tableau_conn_id: str = "tableau_default", **kwargs, ) -> None: super().__init__(**kwargs) self.workbook_name = workbook_name self.site_id = site_id self.blocking = blocking self.tableau_conn_id = tableau_conn_id def execute(self, context: dict) -> str: """ Executes the Tableau Extract Refresh and pushes the job id to xcom. :param context: The task context during execution. :type context: dict :return: the id of the job that executes the extract refresh :rtype: str """ with TableauHook(self.site_id, self.tableau_conn_id) as tableau_hook: workbook = self._get_workbook_by_name(tableau_hook) job_id = self._refresh_workbook(tableau_hook, workbook.id) if self.blocking: from airflow.providers.tableau.sensors.tableau_job_status import ( TableauJobStatusSensor, ) TableauJobStatusSensor( job_id=job_id, site_id=self.site_id, tableau_conn_id=self.tableau_conn_id, task_id="wait_until_succeeded", dag=None, ).execute(context={}) self.log.info( "Workbook %s has been successfully refreshed.", self.workbook_name ) return job_id def _get_workbook_by_name(self, tableau_hook: TableauHook) -> WorkbookItem: for workbook in tableau_hook.get_all(resource_name="workbooks"): if workbook.name == self.workbook_name: self.log.info("Found matching workbook with id %s", workbook.id) return workbook raise AirflowException(f"Workbook {self.workbook_name} not found!") def _refresh_workbook(self, tableau_hook: TableauHook, workbook_id: str) -> str: job = tableau_hook.server.workbooks.refresh(workbook_id) self.log.info("Refreshing Workbook %s...", self.workbook_name) return job.id