diff --git a/pkg/client/apiutil/restmapper.go b/pkg/client/apiutil/restmapper.go index f14f8a9f59..e0ff72dc13 100644 --- a/pkg/client/apiutil/restmapper.go +++ b/pkg/client/apiutil/restmapper.go @@ -152,6 +152,12 @@ func (m *mapper) getMapper() meta.RESTMapper { // addKnownGroupAndReload reloads the mapper with updated information about missing API group. // versions can be specified for partial updates, for instance for v1beta1 version only. func (m *mapper) addKnownGroupAndReload(groupName string, versions ...string) error { + // versions will here be [""] if the forwarded Version value of + // GroupVersionResource (in calling method) was not specified. + if len(versions) == 1 && versions[0] == "" { + versions = nil + } + // If no specific versions are set by user, we will scan all available ones for the API group. // This operation requires 2 requests: /api and /apis, but only once. For all subsequent calls // this data will be taken from cache. diff --git a/pkg/client/apiutil/restmapper_test.go b/pkg/client/apiutil/restmapper_test.go index 99ea5a79d8..782a8ce478 100644 --- a/pkg/client/apiutil/restmapper_test.go +++ b/pkg/client/apiutil/restmapper_test.go @@ -404,6 +404,34 @@ func TestLazyRestMapperProvider(t *testing.T) { g.Expect(crt.GetRequestCount()).To(gmg.Equal(6)) }) + t.Run("LazyRESTMapper should work correctly if the version isn't specified", func(t *testing.T) { + g := gmg.NewWithT(t) + + httpClient, err := rest.HTTPClientFor(restCfg) + g.Expect(err).NotTo(gmg.HaveOccurred()) + + lazyRestMapper, err := apiutil.NewDynamicRESTMapper(restCfg, httpClient) + g.Expect(err).NotTo(gmg.HaveOccurred()) + + kind, err := lazyRestMapper.KindFor(schema.GroupVersionResource{Group: "networking.k8s.io", Resource: "ingress"}) + g.Expect(err).NotTo(gmg.HaveOccurred()) + g.Expect(kind.Version).ToNot(gmg.BeEmpty()) + + kinds, err := lazyRestMapper.KindsFor(schema.GroupVersionResource{Group: "authentication.k8s.io", Resource: "tokenreviews"}) + g.Expect(err).NotTo(gmg.HaveOccurred()) + g.Expect(kinds).ToNot(gmg.BeEmpty()) + g.Expect(kinds[0].Version).ToNot(gmg.BeEmpty()) + + resorce, err := lazyRestMapper.ResourceFor(schema.GroupVersionResource{Group: "scheduling.k8s.io", Resource: "priorityclasses"}) + g.Expect(err).NotTo(gmg.HaveOccurred()) + g.Expect(resorce.Version).ToNot(gmg.BeEmpty()) + + resorces, err := lazyRestMapper.ResourcesFor(schema.GroupVersionResource{Group: "policy", Resource: "poddisruptionbudgets"}) + g.Expect(err).NotTo(gmg.HaveOccurred()) + g.Expect(kinds).ToNot(gmg.BeEmpty()) + g.Expect(resorces[0].Version).ToNot(gmg.BeEmpty()) + }) + t.Run("LazyRESTMapper can fetch CRDs if they were created at runtime", func(t *testing.T) { g := gmg.NewWithT(t)