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feat(cli): support hotswapping Lambda function's description and environment variables #21532

Merged
merged 5 commits into from
Aug 10, 2022
Merged

feat(cli): support hotswapping Lambda function's description and environment variables #21532

merged 5 commits into from
Aug 10, 2022

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huyphan
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@huyphan huyphan commented Aug 10, 2022

CDK users who deploy their Lambda function with S3 code provider cannot use hotswap deployment today. It's because -- in order for the function version and alias to work -- they need to use a dynamic value in either function's description or environment variable. Since neither of them is supported by hotswap, CDK always performs a full deployment.

This change allows Lambda function to be hotswappable when there's change in the function's description and/or environment variables. These changes are categorized as configuration changes and are updated by calling updateFunctionConfiguration. Since the existing waiter UpdateFunctionCodeToFinish is now used to wait for both code update and configuration update, I renamed it to UpdateFunctionPropertiesToFinish.

Functional wise, this PR is identical to the now-reverted changes in #21305. The only difference is the fix for integration test (commit #82dbd4)

resolves #20787


#21305

All Submissions:

Adding new Unconventional Dependencies:

  • This PR adds new unconventional dependencies following the process described here

New Features

  • [ X ] Have you added the new feature to an integration test?
    • [ ] Did you use yarn integ to deploy the infrastructure and generate the snapshot (i.e. yarn integ without --dry-run)?

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

huyphan and others added 4 commits August 10, 2022 14:10
…ronment variables

This change allows Lambda function to be hotswap'ed when there's change
in the function's description and/or environment variables. These changes
are categorized as configuration changes and are updated by calling
`updateFunctionConfiguration`. Since the existing waiter
"UpdateFunctionCodeToFinish" is now used to wait for both code update
and configuration update, I renamed it to "UpdateFunctionPropertiesToFinish".
This commit adds a basic integration test for the hotswap feature, for
the case when the Lambda function's description and environment variables
have changed.
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gitpod-io bot commented Aug 10, 2022

@github-actions github-actions bot added the p2 label Aug 10, 2022
@aws-cdk-automation aws-cdk-automation requested a review from a team August 10, 2022 10:57
@huyphan huyphan marked this pull request as ready for review August 10, 2022 12:03
@github-actions github-actions bot added effort/medium Medium work item – several days of effort feature-request A feature should be added or improved. labels Aug 10, 2022
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Previously approved in #21305
Change to unit test looks good. 👍🏻

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mergify bot commented Aug 10, 2022

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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AWS CodeBuild CI Report

  • CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
  • Commit ID: e377802
  • Result: SUCCEEDED
  • Build Logs (available for 30 days)

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@mergify mergify bot merged commit b1777d2 into aws:main Aug 10, 2022
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mergify bot commented Aug 10, 2022

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

josephedward pushed a commit to josephedward/aws-cdk that referenced this pull request Aug 30, 2022
…ronment variables (aws#21532)

CDK users who deploy their Lambda function with S3 code provider cannot use hotswap deployment today. It's because -- in order for the function version and alias to work -- they need to use a dynamic value in either function's description or environment variable. Since neither of them is supported by hotswap, CDK always performs a full deployment. 

This change allows Lambda function to be hotswappable when there's change in the function's description and/or environment variables. These changes are categorized as configuration changes and are updated by calling `updateFunctionConfiguration`. Since the existing waiter `UpdateFunctionCodeToFinish` is now used to wait for both code update and configuration update, I renamed it to `UpdateFunctionPropertiesToFinish`.

Functional wise, this PR is identical to the now-reverted changes in aws#21305. The only difference is the fix for integration test (commit [#82dbd4)](aws@82dbd41)

resolves aws#20787

----


aws#21305


### All Submissions:

* [ X ] Have you followed the guidelines in our [Contributing guide?](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md)

### Adding new Unconventional Dependencies:

* [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md/#adding-new-unconventional-dependencies)

### New Features

* [ X ] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/main/INTEGRATION_TESTS.md)?
	* [  ] Did you use `yarn integ` to deploy the infrastructure and generate the snapshot (i.e. `yarn integ` without `--dry-run`)?

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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(cli): Hotswapping support for Lambda function's description and or environment variable
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