Update metrics server Helm chart version.

Change Summary

This git diff represents a minor but significant update to the main.tf file within the IaC/modules/metrics directory. The primary change is the update of the metrics-server Helm chart version from 3.12 to 3.13.

Technical Details

• File Modified: IaC/modules/metrics/main.tf
• Change:
  • The version of the metrics-server Helm chart was updated from 3.12 to 3.13.
  • This is a straightforward change involving a single line modification within the helm_release resource block.

Key Learnings & Insights

• Reasoning Behind the Change:
  • The version update likely incorporates bug fixes, security patches, or new features available in version 3.13. Keeping dependencies up-to-date is a best practice to ensure the system benefits from the latest improvements and security enhancements.
• Problem-Solving Approach:
  • The approach here is proactive maintenance, ensuring that the infrastructure code utilizes the most recent stable version of a dependency.
• Best Practices Demonstrated:
  • Regular updates of dependencies to their latest versions help in maintaining a secure and performant system.
• Trade-offs:
  • While updating to the latest version is generally beneficial, it’s important to consider the changelog and release notes to ensure there are no breaking changes that could affect the current system.

Impact Assessment

• Overall System Effect:
  • This change should result in the deployment of a more recent version of the metrics-server, potentially offering improved functionality and security.
• Performance & Security:
  • The update may include performance enhancements or security fixes, contributing to a more robust metrics collection service.
• Breaking Changes:
  • It’s crucial to review the release notes for version 3.13 to ensure there are no breaking changes that could require additional modifications to the existing configuration.

Developer Notes

• Gotchas:
  • Always check the release notes for the new version to be aware of any deprecated features or required configuration changes.
• Edge Cases:
  • Ensure that the new version is compatible with the current Kubernetes version and other dependencies within the cluster.
• Future Improvements:
  • Consider implementing a CI/CD pipeline that automates the process of updating and testing Helm chart versions to streamline future updates.