Update metrics server Helm version.

Change Summary

This update involves a version upgrade of the metrics-server Helm chart from version 3.12.2 to 3.13.0 in the main.tf file located in the IaC/modules/metrics directory. This change is aimed at incorporating the latest features, bug fixes, and security patches provided by the new version.

Technical Details

• File Modified: IaC/modules/metrics/main.tf
• Change Made: Updated the version attribute of the helm_release resource from 3.12.2 to 3.13.0.
• Helm Release Configuration: ```hcl resource “helm_release” “release” { name = “metrics-server” chart = “metrics-server” repository = “https://kubernetes-sigs.github.io/metrics-server/”
  • version = “3.12.2”
  • version = “3.13.0” namespace = kubernetes_namespace_v1.metrics.metadata[0].name set = [ { ```

Key Learnings & Insights

• Version Management: Regularly updating dependencies to their latest versions helps in leveraging new features and security improvements.
• Change Review: It’s crucial to review release notes for any breaking changes or deprecated features when upgrading versions.
• Automation: Using Infrastructure as Code (IaC) allows for seamless and repeatable deployment of updates, reducing manual errors.

Impact Assessment

• Performance: The new version may include performance enhancements that could improve the metrics collection and reporting efficiency.
• Security: Upgrading to the latest version typically includes security patches, reducing vulnerability risks.
• Maintainability: Staying up-to-date with the latest versions simplifies future upgrades and maintenance.
• Breaking Changes: Ensure to check the release notes for any breaking changes that might require additional configuration adjustments.

Developer Notes

• Gotchas: Verify that the new version of the metrics-server is compatible with the existing Kubernetes cluster version.
• Edge Cases: Monitor the metrics collection post-upgrade for any anomalies or performance issues.
• Future Improvements: Consider setting up automated tests to validate the functionality of the metrics-server after such upgrades.