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Merged
merged 1 commit into from
May 17, 2022
Merged

fix:ResourceConflictException from AWS Lambda on pipeline upsert #3106

merged 1 commit into from
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nmadan
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@nmadan nmadan commented May 12, 2022

Issue #, if available:

Description of changes: PR 3052 introduced a bug where pipelines that were upserted would try to update user's lambda step function code twice. This resulted in the following error for the second update_function_code call:

[ERROR]	2022-05-12T03:49:04.962Z	c0ba672c-1dbd-4894-ab57-ec1ecfc6c448	Encountered exception {'Message': 'The operation cannot be performed at this time. An update is in progress for resource: arn:aws:lambda:<region>:<account-id>:function:<function-name>', 'Code': 'ResourceConflictException'}

This PR aims to fix this issue but changing the pipeline upsert logic to either create or update pipeline (not both).
It also includes retries in case lambda does throw a ResourceConflictException

Testing done: unit tests

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codecov-commenter commented May 12, 2022

Codecov Report

Merging #3106 (a44939a) into master (92b1d47) will increase coverage by 0.03%.
The diff coverage is 72.00%.

@@            Coverage Diff             @@
##           master    #3106      +/-   ##
==========================================
+ Coverage   89.51%   89.55%   +0.03%     
==========================================
  Files         199      199              
  Lines       17177    17181       +4     
==========================================
+ Hits        15376    15386      +10     
+ Misses       1801     1795       -6     
Impacted Files Coverage Δ
src/sagemaker/workflow/pipeline.py 90.19% <46.15%> (+2.03%) ⬆️
src/sagemaker/lambda_helper.py 97.24% <100.00%> (+2.90%) ⬆️

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try:
self.describe()
except ClientError:
exists = False
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nit: is there a better way to check this?

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ListPipelines is another option but I think Describe works better since List calls are paginated.

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Even when using describe, excepting ClientError to mean it does not exist, there can be some other cause of ClientError right, since it's top level API error

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Fixed in latest revision

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@shreyapandit shreyapandit changed the title fix:ResourceConflictException from AWS lambda on pipeline upsert fix:ResourceConflictException from AWS Lambda on pipeline upsert May 17, 2022
@shreyapandit shreyapandit merged commit 6f2cd5a into aws:master May 17, 2022
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