PoC: Move dashboard-resourcemap to controller

[kvaps]

Signed-off-by: Andrei Kvapil [email protected]

What this PR does

Release note

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[gemini-code-assist[bot]]

Summary of Changes

Hello @kvaps, I'm Gemini Code Assist[^1]! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly refactors the management of dashboard-related RBAC resources within the Cozystack ecosystem. It transitions from a decentralized approach, where each application's Helm chart defined its own dashboard resource mappings, to a centralized controller-based model. The new DashboardResourcesReconciler now observes HelmRelease and CozystackResourceDefinition objects to dynamically create, update, and clean up necessary Role and RoleBinding resources, ensuring consistent and automated RBAC for dashboard access across applications.

Highlights

• New Controller for Dashboard Resources: Introduced a new DashboardResourcesReconciler to centralize the management of Kubernetes Role-Based Access Control (RBAC) resources for dashboard access. This controller dynamically creates and updates Role and RoleBinding objects based on HelmRelease and CozystackResourceDefinition objects.
• Dynamic RBAC Provisioning: The new controller automatically generates RBAC rules for secrets, services, ingresses, and workload monitors, templating resource names based on the associated HelmRelease and CozystackResourceDefinition specifications. It also handles the generation of RBAC subjects for tenant namespaces.
• Removal of Static Helm Chart RBAC: Eliminated numerous dashboard-resourcemap.yaml files from various application Helm charts (e.g., bucket, clickhouse, kafka, postgres, redis, virtual-machine, etc.). This removes redundant and static RBAC definitions, streamlining chart maintenance and ensuring consistent RBAC policy application.
• Improved Code Structure: The change moves the logic for dashboard resource mapping from distributed Helm templates into a single, dedicated Go controller, enhancing maintainability and testability of the RBAC provisioning logic.

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