evgenyslab opened a new pull request, #37552:
URL: https://github.com/apache/airflow/pull/37552
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---
Update logic in `Amazon/aws` providers for `batch_client` `hook`'s
`parse_job_description` function. This function is ONLY called within the
`get_job_description` function that allows for retries; however, there is only
handling of `botocore.exceptions.ClientError` error in this function.
This means, that if AWS simply fails to provide the job description - if
there is a delay in AWS to register job information, this function will
immediate fail instead of trying. This may happen under certain conditions,
especially when using the `batch` operators for submitting jobs which
immediately use returned `job_id` to query for the job information - but again,
if AWS fails to register the job description in time - this will cause an
unnecessary failure in Airflow side of things.
The proposed change allows `parse_job_description` to return `None` instead
of raising if zero jobs are returned by AWS. Similarly, if more than one
matching job is returned, the function will provide the description of the
first job.
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