June 2025 monthly summary for eksctl-io/eksctl focusing on key features, bug fixes, and impact. Key features delivered: - Enable ECR pull-through cache support by updating the IAM node role policy from AmazonEC2ContainerRegistryReadOnly to AmazonEC2ContainerRegistryPullOnly. This enables support for ECR pull-through cache repositories and aligns with AWS guidelines. Commit: ec4e7fb5fc7ecb98c92cfdc5cc1b6febac19e768 ("Change node role policy ReadOnly -> PullOnly (support ECR pull-through cache) (#8386)"). Major bugs fixed: - No major bugs reported or fixed in scope for this repo this month. Overall impact and accomplishments: - Strengthened security with least-privilege IAM policy changes for ECR access and improved deployment performance by enabling pull-through caching for ECR images. This reduces external fetches, lowers latency, and aligns with AWS best practices, contributing to faster, more reliable cluster operations and cost efficiency. - Demonstrated end-to-end delivery from policy design to code change and commit traceability, enhancing maintainability and governance. Technologies/skills demonstrated: - AWS IAM policy configuration, ECR integration, eksctl repository changes, and Git-based change management. Demonstrated ability to apply AWS guidelines to production tooling with clear commit traceability.

April 2025: Delivered Karpenter AWS provider feature to support ECR pull-through cache by updating node IAM policies to AmazonEC2ContainerRegistryPullOnly. Updated documentation and CloudFormation templates across versions to reflect the change. No major bugs fixed this month. Impact: faster cluster provisioning and image pulls, reduced bottlenecks in deployment and improved AWS alignment. Skills: IAM policy configuration, CloudFormation/template updates, documentation, and commit traceability.

January 2025 monthly summary for eksctl: key feature delivered and validation improvements for bare clusters with Auto Mode. Implemented Bare Clusters Auto Mode Validation Enhancement to restrict certain cluster creation fields only when VPC CNI is disabled AND Auto Mode is disabled, with updated error messages to reflect Auto Mode conditions. This reduces misconfigurations and improves UX for users enabling Auto Mode.