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Add a "force" option to emr serverless stop/delete operator - #30757
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| @cached_property | ||
| def conn(self): | ||
| """Get the underlying boto3 EmrServerlessAPIService client (cached)""" | ||
| return super().conn | ||
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nothing to do with the sauce, but I took the opportunity to clean this as I was around
| "acceptors": [ | ||
| { | ||
| "matcher": "path", | ||
| "argument": "length(jobRuns) == `0`", | ||
| "expected": true, | ||
| "state": "success" | ||
| } | ||
| ] |
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I don't like too much the fact that I don't have a failure case for this waiter, but I think there is nothing we can do about it...
The failure case would be count > prev_count, or detecting a new job_id that we didn't see in the previous calls, which is way beyond the capabilities of waiters.
| start_job.waiter_check_interval_seconds = 10 | ||
| start_job.wait_for_completion = False |
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instead of waiting for the job to finish, we just trigger it and continue...
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| aws_conn_id: str = "aws_default", | ||
| waiter_countdown: int = 5 * 60, | ||
| waiter_check_interval_seconds: int = 30, | ||
| force_stop: bool = False, |
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WDYT about updating the docs/apache-airflow-providers-amazon/operators/emr/emr_serverless.rst to contain this additional param
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I added it to the system test (https://github.com/apache/airflow/pull/30757/files/8370c8172d8c28ffeec3ca460621b9d0447bfba6#diff-69be45953c5be696ca3159bb385a89c90930fc06e68357e8bdb33a1b31694f88R120) inside the howto_operator thing, so it'll be embeded in the doc automatically (as sample usage).
It doesn't explain what it's doing, but it being present there highlights its presence, and the code doc contains the explanation.
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Co-authored-by: Vincent <97131062+vincbeck@users.noreply.github.com>
o-nikolas
commented
Apr 21, 2023
Other than the conflicts that need resolving this looks ready to merge, unless you have any other feedback @phanikumv? |
follow up on #30720
It is not possible to stop an application that has running jobs.
Applications can be stopped as part of the normal process, or in a degraded/timeout scenario, in which case we really want to stop the app no matter what. It's nice to have an option to do that from the operator directly.
NOTE: If extra jobs are launched after the stop/delete operator is called, then it's not going to work properly, and will likely end on a timeout in the waiter, but to support that we'd need to go back and forth between get_jobs and cancel_jobs, possibly never converging.
I'm assuming that this is good enough for most use cases.