OpenApi generate from k8s 1.28 with USE_SINGLE_PARAMETER and client-side openapi validation enabled

[yue9944882]

With this PR, the generated openapi client will land a non-backward-compatible change which refactors the api interface simpler and clearer, e.g.:

Previously the API interface was like:

V1PodList list =
        api.listPodForAllNamespaces(null, null, null, null, null, null, null, null, null, null);

After enabling USE_SINGLE_PARAMETER, it will be:

    V1PodList list = api.listPodForAllNamespaces()
            .fieldSelector(..) // optional builder flow
            .resourceVersion(..)
            .execute();

[brendandburns]

This will be a pretty disruptive change. Is there a way to have both options be feasible for a time? Otherwise people adopting this change will require some major code changes.

Or maybe we can do this change in the main branch but not in the -legacy version? Is that the plan?

[yue9944882]

@brendandburns right, for those who are not ready to onboard the new API interface, they can still use the legacy version module by adding -legacy suffix to their pom dependency:

https://github.com/kubernetes-client/java/blob/master-java8/pom.xml#L5

in the foreseeable future, we publish both from master branch and master-java8 branch together

[brendandburns]

Sounds good.

/lgtm
/approve

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