refactor(rbgs): init rbgs apiVersion v1alpha2

[Syspretor]

Ⅰ. Motivation

Ⅱ. Modifications

Ⅲ. Does this pull request fix one issue?

fixes #XXXX

Ⅳ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

Ⅴ. Describe how to verify it

VI. Special notes for reviews

Checklist

• Format your code make fmt.
• Add unit tests or integration tests.
• Update the documentation related to the change.

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! 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 refactors the RoleBasedGroupSet API by introducing a new v1alpha2 version. This update involves defining the new API schema, generating the required deepcopy methods, and updating the client-go libraries to interact with the new API version. The v1alpha1 API is designated as the storage version to manage API compatibility and upgrades effectively.

Highlights

• New API Version v1alpha2 for RoleBasedGroupSet: A new API definition for RoleBasedGroupSet has been introduced under v1alpha2, providing an updated schema for this resource.
• API Versioning Strategy: The existing v1alpha1 API for RoleBasedGroupSet has been explicitly marked as the storage version using +kubebuilder:storageversion, ensuring proper migration and compatibility during API evolution.
• Client-Go Component Generation: All necessary client-go components, including deepcopy functions, apply configurations, fake clients, typed clients, informers, and listers, have been generated or updated to support the new v1alpha2 RoleBasedGroupSet API.

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Changelog

• api/workloads/v1alpha1/rolebasedgroupset_types.go
  • Added +kubebuilder:storageversion marker to the RoleBasedGroupSet type.
• api/workloads/v1alpha2/rolebasedgroupset_types.go
  • Added the new RoleBasedGroupSet API definition for v1alpha2.
• api/workloads/v1alpha2/zz_generated.deepcopy.go
  • Added deepcopy methods for RoleBasedGroupSet, RoleBasedGroupSetList, RoleBasedGroupSetSpec, and RoleBasedGroupSetStatus.
• client-go/applyconfiguration/utils.go
  • Updated ForKind function to include RoleBasedGroupSet, RoleBasedGroupSetSpec, and RoleBasedGroupSetStatus for v1alpha2.
• client-go/applyconfiguration/workloads/v1alpha2/rolebasedgroupset.go
  • Added apply configuration for RoleBasedGroupSet.
• client-go/applyconfiguration/workloads/v1alpha2/rolebasedgroupsetspec.go
  • Added apply configuration for RoleBasedGroupSetSpec.
• client-go/applyconfiguration/workloads/v1alpha2/rolebasedgroupsetstatus.go
  • Added apply configuration for RoleBasedGroupSetStatus.
• client-go/clientset/versioned/typed/workloads/v1alpha2/fake/fake_rolebasedgroupset.go
  • Added fake client implementation for RoleBasedGroupSet.
• client-go/clientset/versioned/typed/workloads/v1alpha2/fake/fake_workloads_client.go
  • Updated fake client to include RoleBasedGroupSets.
• client-go/clientset/versioned/typed/workloads/v1alpha2/generated_expansion.go
  • Added RoleBasedGroupSetExpansion interface.
• client-go/clientset/versioned/typed/workloads/v1alpha2/rolebasedgroupset.go
  • Added client interface and implementation for RoleBasedGroupSet.
• client-go/clientset/versioned/typed/workloads/v1alpha2/workloads_client.go
  • Updated client interface to include RoleBasedGroupSetsGetter.
  • Updated client implementation to include RoleBasedGroupSets.
• client-go/informers/externalversions/generic.go
  • Updated generic informer to include rolebasedgroupsets.
• client-go/informers/externalversions/workloads/v1alpha2/interface.go
  • Updated informer interface to include RoleBasedGroupSets.
  • Updated informer implementation to include RoleBasedGroupSets.
• client-go/informers/externalversions/workloads/v1alpha2/rolebasedgroupset.go
  • Added informer for RoleBasedGroupSet.
• client-go/listers/workloads/v1alpha2/expansion_generated.go
  • Added RoleBasedGroupSetListerExpansion and RoleBasedGroupSetNamespaceListerExpansion.
• client-go/listers/workloads/v1alpha2/rolebasedgroupset.go
  • Added lister for RoleBasedGroupSet.

Activity

• The pull request was created by Syspretor.
• The pull request introduces a new API version for RoleBasedGroupSet, indicating a significant architectural update.
• Automated code generation tools were likely used to create many of the new client-go files based on the new API definition.

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[gemini-code-assist]

Code Review

This pull request introduces the v1alpha2 API version for RoleBasedGroupSet and related types. This includes new type definitions, and all the necessary auto-generated client-go code (clientsets, informers, listers, applyconfigurations).

My main concern is that v1alpha1 is marked as the storage version, but there are significant structural differences between v1alpha1 and the new v1alpha2 API, and no conversion logic has been implemented. This is a critical issue that will lead to data loss and prevent the CRD from being correctly updated and used. I've left a detailed comment on this.

Please address this by implementing the required conversion webhooks.

[gemini-code-assist]

By marking v1alpha1 as the storage version, you are establishing it as the hub for API conversions. The newly introduced v1alpha2 version has significant structural differences compared to v1alpha1, particularly in RoleBasedGroupSpec and RoleSpec.

For example:

• v1alpha1.RoleBasedGroupSpec contains PodGroupPolicy and CoordinationRequirements, which are absent in v1alpha2.RoleBasedGroupSpec.
• v1alpha1.RoleSpec uses TemplateSource, TemplatePatch, and LeaderWorkerSet directly, while v1alpha2.RoleSpec refactors this into an inlined Pattern struct with StandalonePattern and LeaderWorkerPattern.

Without implementing conversion webhooks, these structural differences will lead to data loss when converting between versions. For example, if a user creates a v1alpha1 resource with PodGroupPolicy and then retrieves it as v1alpha2, that field will be lost.

You need to implement the conversion.Hub and conversion.Convertible interfaces for the v1alpha1 and v1alpha2 types respectively to handle the conversion between these versions. Please add the conversion logic as part of this PR to ensure data integrity across API versions.