Cannot implements rest.GetterWithOptions in custom REST storage

[pgayvallet]

Actually, starting the apiserver with a REST resource implementing GetterWithOptions with NewGetOptions returning a type registered in the scheme of the REST resource model will fail with the following error :
error in registering resource: {resourcename}, no kind {GetOptionKind} is registered for version "v1"

This is caused by the fact that when constructing the APIGroupInfo ( in pkg/builders/api_group_builder#Build), the field OptionsExternalVersion is not populated, and therefore set to the default that's defined in k8s.io/apiserver/pkg/server/genericapiserver#NewDefaultAPIGroupInfo : &schema.GroupVersion{Version: "v1"}, which does not contains our {GetOptionKind}

the endpoint installer is then using this default groupversion when trying to resolve the type of get custom get options, resulting in given error.

This is quickly fixed by adding a single line :

i.OptionsExternalVersion = &i.GroupMeta.GroupVersion

after the line

i.GroupMeta.GroupVersion = g.Versions[0].GroupVersion

in pkg/builders/api_group_builder#Build

[fejta-bot]

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[k8s-ci-robot]

@fejta-bot: Closing this issue.

In response to this:

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