feat: add support for DeletionProtection attribute passing

[guessi]

Description

• Add support for DeletionProtection attribute passing.

• Make it possible to update DeletionProtection setup with eksctl utils deletion-protection command.

  • Cluster creation

  % ./eksctl create cluster -f ./examples/46-deletion-protection-example.yaml 2025-11-10 13:04:42 [ℹ] eksctl version 0.217.0-dev+9cbe52f2b.2025-11-10T12:59:29Z ... 2025-11-10 13:04:43 [ℹ] creating EKS cluster "deletion-protection-cluster" in "us-west-2" region with managed nodes ... 2025-11-10 13:18:39 [✔] EKS cluster "deletion-protection-cluster" in "us-west-2" region is ready

  • CloudTrail

  { ... "eventTime": "2025-11-10T05:05:12Z", "eventSource": "eks.amazonaws.com", "eventName": "CreateCluster", "awsRegion": "us-west-2", "sourceIPAddress": "cloudformation.amazonaws.com", "userAgent": "cloudformation.amazonaws.com", "requestParameters": { "name": "deletion-protection-cluster", ... "deletionProtection": true }, ... }

  • Enabling

  $ ./eksctl utils deletion-protection --name deletion-protection-cluster --enabled=true --approve 2025-11-10 12:58:56 [ℹ] enabling deletion protection for cluster "deletion-protection-cluster"

  • Disabling

  $ ./eksctl utils deletion-protection --name deletion-protection-cluster --enabled=false --approve 2025-11-10 12:59:13 [ℹ] disabling deletion protection for cluster "deletion-protection-cluster"

  • With no --approve passing

  $ ./eksctl utils deletion-protection --name deletion-protection-cluster --enabled=true 2025-11-10 12:58:23 [✖] --dry-run is not supported for this command

  • Cluster deletion

  $ ./eksctl delete cluster -f ./examples/46-deletion-protection-example.yaml 2025-11-10 13:21:02 [ℹ] deleting EKS cluster "deletion-protection-cluster" ... 2025-11-10 13:28:35 [ℹ] will delete stack "eksctl-deletion-protection-cluster-cluster" 2025-11-10 13:28:36 [✔] all cluster resources were deleted

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the userdocs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes
• (Core team) Added labels for change area (e.g. area/nodegroup) and kind (e.g. kind/improvement)

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟