feat(cloudfront): associate key value stores to functions #28571

laurelmay · 2024-01-04T01:54:03Z

CloudFormation now supports specifying KeyValueStoreAssocations on a AWS::CloudFront::Function. This adds that support to the CDK. Even though the field is plural (in CloudFormation and the API), a function can have one value store so the implementation here tries to provide a nicer API around that.

If a Key Value Store is specified, the function will default to js-2.0 instead of js-1.0. Behavior for existing functions is retained. Additionally, an error is thrown if 1.0 is used.

Closes #28377.

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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laurelmay · 2024-01-08T22:32:50Z

@Mergifyio update

mergify · 2024-01-08T22:33:02Z

update

✅ Branch has been successfully updated

go-to-k

Thanks for this PR! I made a few comments.

packages/aws-cdk-lib/aws-cloudfront/lib/function.ts

packages/aws-cdk-lib/aws-cloudfront/test/function.test.ts

go-to-k · 2024-01-21T08:15:16Z

packages/aws-cdk-lib/aws-cloudfront/test/function.test.ts

+
+    test('no value is used in CloudFormation when unspecified in CDK', () => {
+      const stack = new Stack();
+
+      new Function(stack, 'TestFn', {
+        code: FunctionCode.fromInline('code'),
+        runtime: FunctionRuntime.JS_2_0,
+        keyValueStore: undefined,
+      });
+
+      Template.fromStack(stack).hasResourceProperties('AWS::CloudFront::Function', {
+        FunctionConfig: {
+          KeyValueStoreAssociations: Match.absent(),
+        },
+      });
+    });
+  });


I don't see much need for this, but what do you think? (unless you intend to make sure that it is not generated with an empty array, or something like that.)

Suggested change

test('no value is used in CloudFormation when unspecified in CDK', () => {

const stack = new Stack();

new Function(stack, 'TestFn', {

code: FunctionCode.fromInline('code'),

runtime: FunctionRuntime.JS_2_0,

keyValueStore: undefined,

});

Template.fromStack(stack).hasResourceProperties('AWS::CloudFront::Function', {

FunctionConfig: {

KeyValueStoreAssociations: Match.absent(),

},

});

});

});

Yeah, I think I like it being explicit that it should be left absent instead of perhaps an empty list. I agree it's perhaps covered by other cases or less critical but it does feel like an important way to preserve the correct behavior at a CloudFormation layer.

OK, I agree. Let's go ahead with this.

Co-authored-by: k.goto <24818752+go-to-k@users.noreply.github.com>

go-to-k

Looks good.

gracelu0

Thank you for contributing! Left a tiny comment but otherwise LGTM :)

...sting/framework-integ/test/aws-cloudfront/test/integ.function-key-value-store-association.ts

mergify · 2024-01-24T23:30:03Z

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).

aws-cdk-automation · 2024-01-24T23:57:32Z

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mergify · 2024-01-24T23:57:54Z

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).

CloudFormation now supports specifying [`KeyValueStoreAssocations`](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-function-keyvaluestoreassociation.html) on a `AWS::CloudFront::Function`. This adds that support to the CDK. Even though the field is plural (in CloudFormation and the API), [a function can have one value store](https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/kvs-with-functions-associate.html) so the implementation here tries to provide a nicer API around that. If a Key Value Store is specified, the function will default to `js-2.0` instead of `js-1.0`. Behavior for existing functions is retained. Additionally, an error is thrown if 1.0 is used. Closes aws#28377. ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

CloudFormation now supports specifying [`KeyValueStoreAssocations`](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-function-keyvaluestoreassociation.html) on a `AWS::CloudFront::Function`. This adds that support to the CDK. Even though the field is plural (in CloudFormation and the API), [a function can have one value store](https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/kvs-with-functions-associate.html) so the implementation here tries to provide a nicer API around that. If a Key Value Store is specified, the function will default to `js-2.0` instead of `js-1.0`. Behavior for existing functions is retained. Additionally, an error is thrown if 1.0 is used. Closes #28377. ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

github-actions bot added effort/medium Medium work item – several days of effort feature-request A feature should be added or improved. p2 star-contributor [Pilot] contributed between 25-49 PRs to the CDK labels Jan 4, 2024

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laurelmay mentioned this pull request Jan 9, 2024

(cloudfront): Function name is created non-deterministically #28629

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laurelmay added 4 commits January 9, 2024 22:01

feat(cloudfront): associate key value stores to functions

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Update README for function association

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Allow only one associated KV store

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laurelmay force-pushed the kvstore-function-assoc branch from 971bb05 to 8728e41 Compare January 10, 2024 03:01

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aws-cloudfront: support KeyValueStore #28377

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Co-authored-by: k.goto <24818752+go-to-k@users.noreply.github.com>

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feat(cloudfront): associate key value stores to functions #28571

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