Update Grafana target revision.

Change Summary

The latest update to the main.tf file within the monitoring module involves upgrading the Grafana Helm chart from version 9.0 to 10.4.2. This change is aimed at leveraging the latest features and improvements offered by the newer Grafana version.

Technical Details

• File Modified: IaC/modules/monitoring/main.tf
• Change: Updated the target_revision of the Grafana Helm chart from “9.0” to “10.4.2”.
• Implementation:
  • The argocd_application resource for Grafana now points to the new chart version.
  • The value_files and values parameters remain unchanged, ensuring configuration consistency.

Key Learnings & Insights

• Reasoning: The upgrade to Grafana 10.4.2 was driven by the need to access new features, bug fixes, and security patches.
• Problem-Solving Approach:
  • Reviewed the Grafana release notes to identify key changes and benefits.
  • Tested the upgrade in a staging environment to ensure compatibility with existing configurations.
• Best Practices:
  • Always test infrastructure changes in a non-production environment before deployment.
  • Maintain up-to-date documentation for configuration files to ease future upgrades.

Impact Assessment

• System Effects:
  • Enhanced monitoring capabilities due to new Grafana features.
  • Potential performance improvements and bug fixes from the updated chart.
• Implications:
  • Performance: Expected to be positive, though specific metrics should be monitored post-deployment.
  • Security: Improved, as newer versions typically include security patches.
  • Maintainability:Simplified, as leveraging the latest version reduces technical debt.

Developer Notes

• Gotchas: Ensure that all dependent services are compatible with Grafana 10.4.2.
• Edge Cases: Monitor for any unexpected behavior in dashboards or alerts post-upgrade.
• Future Improvements: Consider automating the version upgrade process to streamline future updates.