Merge pull request #66403 from deads2k/api-03-panic-track

Automatic merge from submit-queue (batch tested with PRs 66341, 66405, 66403, 66264, 66447). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

indicate which scheme has conflicting data

An oversight when adding scheme origination to error messages.  There are a couple state dependent panics which are useful to gain info on.

@sttts 
@kubernetes/sig-api-machinery-misc 

```release-note
NONE
```
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Kubernetes Submit Queue 2018-07-20 16:02:11 -07:00 committed by GitHub
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@ -159,7 +159,7 @@ func (s *Scheme) AddUnversionedTypes(version schema.GroupVersion, types ...Objec
gvk := version.WithKind(t.Name())
s.unversionedTypes[t] = gvk
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))
panic(fmt.Sprintf("%v.%v has already been registered as unversioned kind %q - kind name must be unique in scheme %q", old.PkgPath(), old.Name(), gvk, s.schemeName))
}
s.unversionedKinds[gvk.Kind] = t
}
@ -200,7 +200,7 @@ func (s *Scheme) AddKnownTypeWithName(gvk schema.GroupVersionKind, obj Object) {
}
if oldT, found := s.gvkToType[gvk]; found && oldT != t {
panic(fmt.Sprintf("Double registration of different types for %v: old=%v.%v, new=%v.%v", gvk, oldT.PkgPath(), oldT.Name(), t.PkgPath(), t.Name()))
panic(fmt.Sprintf("Double registration of different types for %v: old=%v.%v, new=%v.%v in scheme %q", gvk, oldT.PkgPath(), oldT.Name(), t.PkgPath(), t.Name(), s.schemeName))
}
s.gvkToType[gvk] = t