baolsen commented on a change in pull request #6773: [AIRFLOW-6038] AWS DataSync example_dags added URL: https://github.com/apache/airflow/pull/6773#discussion_r357501204
########## File path: airflow/providers/amazon/aws/example_dags/example_datasync_simple.py ########## @@ -0,0 +1,75 @@ +# 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 `AWSDataSyncOperator` in a simple manner. + +This DAG gets an AWS TaskArn for a specified source and destination, and then attempts to execute it. +It assumes there is a single task returned and does not do error checking (eg if multiple tasks were found). + +This DAG relies on the following environment variables: + +* SOURCE_LOCATION_URI - Source location URI, usually on premisis SMB or NFS +* DESTINATION_LOCATION_URI - Destination location URI, usually S3 +""" + +from os import getenv + +from airflow import models, utils +from airflow.providers.amazon.aws.operators.datasync import AWSDataSyncOperator + +# [START howto_operator_datasync_simple_args_1] +TASK_ARN = getenv( + "TASK_ARN", "my_aws_datasync_task_arn") +# [END howto_operator_datasync_simple_args_1] + +# [START howto_operator_datasync_simple_args_2] +SOURCE_LOCATION_URI = getenv( + "SOURCE_LOCATION_URI", "smb://hostname/directory/") + +DESTINATION_LOCATION_URI = getenv( + "DESTINATION_LOCATION_URI", "s3://mybucket/prefix") +# [END howto_operator_datasync_simple_args_2] + +default_args = {"start_date": utils.dates.days_ago(1)} + +with models.DAG( + "example_datasync_simple_1", Review comment: Should be clearer now, thanks ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
