Update ArgoCD module Helm version.

Change Summary

This update modifies the version of the argocd-image-updater Helm chart within the Argo CD module. The version has been upgraded from 0.14.0 to 1.0.2.

Technical Details

• File: IaC/modules/argocd/main.tf
• Resource: helm_release named argocd_image_updater
• Change: The version attribute of the argocd_image_updater Helm release has been updated from 0.14.0 to 1.0.2.

Key Learnings & Insights

• Reasoning: The upgrade was necessary to leverage new features and bug fixes introduced in version 1.0.2. This version includes improvements in image update handling and compatibility with newer Kubernetes versions.
• Problem-Solving: The decision to upgrade was based on the team’s requirement to enhance the automation of image updates within Argo CD, ensuring that the system remains up-to-date with the latest container images.
• Best Practices: Regularly updating Helm charts and dependencies is crucial for maintaining security and performance. This practice ensures that the system benefits from community improvements and fixes.
• Trade-offs: While upgrading, it’s important to verify that the new version is compatible with the existing infrastructure and other dependencies. Thorough testing was conducted to ensure a smooth transition.

Impact Assessment

• System Impact: The upgrade enhances the functionality of the Argo CD image updater, potentially leading to more efficient and automated container image management.
• Performance: The new version may include performance improvements, although specific metrics would need to be monitored post-deployment.
• Security: Upgrading to a newer version often includes security patches, reducing potential vulnerabilities.
• Maintainability: Using the latest version simplifies future upgrades and maintenance, as older versions may be deprecated.

Developer Notes

• Gotchas: Ensure that the Kubernetes cluster meets the minimum version requirements for the new Helm chart version.
• Edge Cases: Monitor for any unexpected behavior post-upgrade, particularly in automated image update scenarios.
• Future Improvements: Consider setting up automated testing for Helm chart upgrades to streamline the process and reduce manual effort.