Merge pull request #52753 from munnerz/sample-controller

Automatic merge from submit-queue. 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>.

sample-controller: add example CRD controller

**What this PR does / why we need it**:

Adds a sample-controller example repository

fixes #52752

**Special notes for your reviewer**:

This is currently based on the sttts:sttts-codegen-scripts branch and should not be merged until that is (ref https://github.com/kubernetes/kubernetes/pull/52186)

**Release note**:

```
Add sample-controller repository
```

/cc @sttts @nikhita @colemickens

Kubernetes-commit: 9a7800f7d2efb88b397674672ac56f898826cf7c

vendor/k8s.io/apimachinery/pkg/runtime/serializer/negotiated_codec.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package serializer
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+// TODO: We should split negotiated serializers that we can change versions on from those we can change
+// serialization formats on
+type negotiatedSerializerWrapper struct {
+	info runtime.SerializerInfo
+}
+
+func NegotiatedSerializerWrapper(info runtime.SerializerInfo) runtime.NegotiatedSerializer {
+	return &negotiatedSerializerWrapper{info}
+}
+
+func (n *negotiatedSerializerWrapper) SupportedMediaTypes() []runtime.SerializerInfo {
+	return []runtime.SerializerInfo{n.info}
+}
+
+func (n *negotiatedSerializerWrapper) EncoderForVersion(e runtime.Encoder, _ runtime.GroupVersioner) runtime.Encoder {
+	return e
+}
+
+func (n *negotiatedSerializerWrapper) DecoderToVersion(d runtime.Decoder, _gv runtime.GroupVersioner) runtime.Decoder {
+	return d
+}