Update Helm provider version to 3.0.

Change Summary

This change updates the version of the helm provider across multiple Terraform modules from version ~> 2.0 to ~> 3.0. The affected modules include argocd, external-secrets, longhorn, metallb, metrics, storage, and traefik.

Technical Details

• Files Modified:
  • IaC/modules/argocd/init.tf
  • IaC/modules/external-secrets/init.tf
  • IaC/modules/longhorn/init.tf
  • IaC/modules/metallb/init.tf
  • IaC/modules/metrics/init.tf
  • IaC/modules/storage/init.tf
  • IaC/modules/traefik/init.tf
• Changes:
  • Updated the helm provider version from ~> 2.0 to ~> 3.0 in each module’s init.tf file.
• Dependencies:
  • Ensure that all modules using the helm provider are compatible with version 3.0.
  • Verify that there are no breaking changes in the helm provider that could affect the existing configurations.

Key Learnings & Insights

• Reasoning Behind Changes:
  • The update to helm version 3.0 is likely driven by the need to leverage new features, bug fixes, or security patches available in the newer version.
• Problem-Solving Approaches:
  • A systematic approach was used to identify all modules dependent on the helm provider and update them uniformly to avoid version mismatches.
• Best Practices:
  • Regularly updating dependencies to their latest versions helps in maintaining security and taking advantage of new features.
  • It’s crucial to test the changes in a staging environment before deploying to production to ensure compatibility and stability.

Impact Assessment

• Overall System:
  • The change should not introduce significant disruptions if the new helm version is backward-compatible. However, thorough testing is required to ensure all configurations work as expected.
• Performance & Security:
  • Potential performance improvements and security enhancements from the updated helm provider.
• Breaking Changes:
  • There might be breaking changes in the helm provider that could require additional modifications in the Terraform configurations. Review the helm provider release notes for any such changes.

Developer Notes

• Gotchas:
  • Be aware of any deprecated features or changed behaviors in the helm provider version 3.0.
  • Ensure that all Helm charts used in these modules are compatible with the new provider version.
• Future Improvements:
  • Consider automating the dependency update process to streamline future updates.
  • Implement version pinning strategies to better control dependency updates and minimize risks.