StevenReitsma opened a new pull request #5645: [AIRFLOW-5027] Generalized CloudWatch log grabbing for ECS and SageMaker operators URL: https://github.com/apache/airflow/pull/5645 My first Airflow PR so I hope I adhered to all the contribution guidelines. All comments welcome. --- Make sure you have checked _all_ steps below. ### Jira - [x] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR" - https://issues.apache.org/jira/browse/AIRFLOW-5027 ### Description - [x] Here are some details about my PR, including screenshots of any UI changes: It's very useful to have the CloudWatch task logs of an ECS/SageMaker job available within Airflow. Currently, this is not possible for ECS tasks. The SageMaker operator starts a job on AWS SageMaker. It already supports grabbing the CloudWatch logs of the (finished) job to the Airflow instance. The ECS operator is very similar in that it starts a job on AWS ECS. It doesn't, however, support grabbing CloudWatch logs at the end of a job. I've separated the existing log grabbing of the SageMaker hook to a separate logs hook and both the SageMaker hook and ECS operator now call that logs hook at the end of a job. ### Tests - [x] My PR adds the following unit tests: Added: `tests.contrib.hooks.TestAwsLogsHook` Changed: `tests.contrib.hooks.TestSageMakerHook` Changed: `tests.contrib.sensors.TestSageMakerTrainingSensor` ### Commits - [x] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)" ### Documentation - [x] In case of new functionality, my PR adds documentation that describes how to use it. - All the public functions and the classes in the PR contain docstrings that explain what it does ### Code Quality - [x] Passes `flake8`
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