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apimachinery: idempotent registration of unversioned types

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This commit is contained in:
Dr. Stefan Schimanski 2017-05-23 10:25:08 +02:00
parent 3eca0b5ad0
commit 5ea58748f1
1 changed files with 2 additions and 2 deletions
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4
staging/src/k8s.io/apimachinery/pkg/runtime/scheme.go
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@ -151,8 +151,8 @@ func (s *Scheme) AddUnversionedTypes(version schema.GroupVersion, types ...Objec
t := reflect.TypeOf(obj).Elem()
gvk := version.WithKind(t.Name())
s.unversionedTypes[t] = gvk
if _, ok := s.unversionedKinds[gvk.Kind]; ok {
panic(fmt.Sprintf("%v has already been registered as unversioned kind %q - kind name must be unique", reflect.TypeOf(t), gvk.Kind))
if old, ok := s.unversionedKinds[gvk.Kind]; ok && t != old {
panic(fmt.Sprintf("%v.%v has already been registered as unversioned kind %q - kind name must be unique", old.PkgPath(), old.Name(), gvk))
}
s.unversionedKinds[gvk.Kind] = t
}