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feat(ec2): add C8a (InstanceClass.C8A) instance class#37372

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feat(ec2): add C8a (InstanceClass.C8A) instance class#37372
syukawa-gh wants to merge 2 commits intoaws:mainfrom
syukawa-gh:feat/ec2-c8a-instance-class

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@syukawa-gh syukawa-gh commented Mar 27, 2026

Reason for this change

C8a instances (compute optimized, 5th gen AMD EPYC Turin) are generally available but not yet in CDK.

Closes #36722

Description of changes

Add InstanceClass.COMPUTE8_AMD and InstanceClass.C8A enum values and their mapping to c8a.

Description of how you validated changes

Follows the same pattern as existing instance classes (C7A, C8G, etc.).

Checklist

@syukawa-dev
feat(ec2): add C8a (InstanceClass.C8A) instance class
999195b 
Add support for compute optimized C8a instances based on 5th
generation AMD EPYC (codename Turin).

Closes aws#36722
@github-actions github-actions bot added the beginning-contributor [Pilot] contributed between 0-2 PRs to the CDK label Mar 27, 2026
@aws-cdk-automation aws-cdk-automation requested a review from a team March 27, 2026 08:37
@github-actions github-actions bot added effort/small Small work item – less than a day of effort feature-request A feature should be added or improved. p2 labels Mar 27, 2026
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syukawa-gh commented Mar 27, 2026

Exemption Request: This PR adds new enum values (InstanceClass.COMPUTE8_AMD and InstanceClass.C8A) with their mapping. No integration test is applicable for instance class constant additions.

@aws-cdk-automation aws-cdk-automation added the pr-linter/exemption-requested The contributor has requested an exemption to the PR Linter feedback. label Mar 27, 2026
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The pull request linter fails with the following errors:

❌ Features must contain a change to an integration test file and the resulting snapshot.

If you believe this pull request should receive an exemption, please comment and provide a justification. A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed, add Clarification Request to a comment.

✅ A exemption request has been requested. Please wait for a maintainer's review.

@aws-cdk-automation aws-cdk-automation added the pr/needs-community-review This PR needs a review from a Trusted Community Member or Core Team Member. label Mar 27, 2026
@syukawa-dev
feat(ec2): add README example and unit tests for C8A instance class
0660228 
Add C8A (AMD EPYC 4th gen) usage example to the Instances section of
the README and add unit tests verifying InstanceClass.C8A and
InstanceClass.COMPUTE8_AMD produce the correct instance type strings.
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syukawa-gh commented Apr 2, 2026

Closing in favor of #37461 (same change, updated version)

@syukawa-gh syukawa-gh closed this Apr 2, 2026
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beginning-contributor [Pilot] contributed between 0-2 PRs to the CDK effort/small Small work item – less than a day of effort feature-request A feature should be added or improved. p2 pr/needs-community-review This PR needs a review from a Trusted Community Member or Core Team Member. pr-linter/exemption-requested The contributor has requested an exemption to the PR Linter feedback.

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aws-ec2: Add C8a (InstanceClass.C8A) to available instance classes

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