Update metrics server Helm version.

Change Summary

This update focuses on upgrading the metrics-server Helm chart version from 3.12 to 3.13 within the main.tf file of the metrics module. This change aims to incorporate the latest features, bug fixes, and security patches provided by the new version.

Technical Details

• File Modified: IaC/modules/metrics/main.tf
• Change: Updated the version attribute of the helm_release resource from 3.12 to 3.13.
• Helm Release Configuration: ```hcl resource “helm_release” “release” { name = “metrics-server” chart = “metrics-server” repository = “https://kubernetes-sigs.github.io/metrics-server/”
  • version = “3.12”
  • version = “3.13” namespace = kubernetes_namespace.metrics.metadata[0].name set { name = “args” ```

Key Learnings & Insights

• Version Management: Regularly updating dependencies ensures that the system benefits from the latest improvements and security enhancements.
• Change Minimalism: The change is straightforward, demonstrating that significant improvements can often be achieved with minor modifications.
• Documentation: It’s crucial to document such changes to maintain clarity and traceability within the codebase.

Impact Assessment

• Performance: The new version may include performance optimizations that could enhance the metrics collection and reporting efficiency.
• Security: Updated versions often contain critical security patches, reducing vulnerability risks.
• Maintainability: Staying current with dependency versions simplifies future updates and maintenance.

Developer Notes

• Testing: Ensure thorough testing post-upgrade to verify that all metrics are accurately reported and there are no regressions.
• Rollback Plan: Have a rollback plan in place in case the new version introduces unforeseen issues.
• Future Improvements: Consider setting up automated checks to notify the team of new Helm chart versions for timely updates.