subkanthi commented on a change in pull request #19729: URL: https://github.com/apache/airflow/pull/19729#discussion_r759718753
########## File path: airflow/example_dags/example_local_kubernetes_executor.py ########## @@ -0,0 +1,70 @@ +# +# 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. +""" +This is an example dag for using a Local Kubernetes Executor Configuration. +""" +import logging +from datetime import datetime + +from airflow import DAG +from airflow.configuration import conf +from airflow.decorators import task +from airflow.example_dags.libs.helper import print_stuff + +log = logging.getLogger(__name__) + +worker_container_repository = conf.get('kubernetes', 'worker_container_repository') +worker_container_tag = conf.get('kubernetes', 'worker_container_tag') + +try: + from kubernetes.client import models as k8s +except ImportError: + log.warning("Could not import DAGs in example_local_kubernetes_executor.py", exc_info=True) + log.warning("Install Kubernetes dependencies with: pip install apache-airflow[cncf.kubernetes]") + +with DAG( + dag_id='example_local_kubernetes_executor', + schedule_interval=None, + start_date=datetime(2021, 1, 1), + catchup=False, + tags=['example3'], +) as dag: + # You can use annotations on your kubernetes pods! + start_task_executor_config = { + "pod_override": k8s.V1Pod(metadata=k8s.V1ObjectMeta(annotations={"test": "annotation"})) + } + + @task( + executor_config='start_task_executor_config', + queue='kubernetes', + task_id='task_with_kubernetes_executor', + ) + def task_with_template(): + print_stuff() + + def print_context(ds, **kwargs): + """Print the Airflow context and ds variable from the context.""" + print(kwargs) + print(ds) + return 'Whatever you return gets printed in the logs' + + @task(task_id='task_with_local_executor') + def task_with_local(): + print_context() + + task_with_local >> task_with_template Review comment: THanks, made the changes. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
