Add an example with all possible extensions

Signed-off-by: Stephen Kitt <skitt@redhat.com>

staging/src/k8s.io/code-generator/examples/crd/apis/extensions/v1/doc.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2024 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.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:defaulter-gen=TypeMeta
+// +groupName=extensions.test.crd.code-generator.k8s.io
+// +groupGoName=ExtensionsExample
+
+package v1 // import "k8s.io/code-generator/examples/crd/apis/extensions/v1"

staging/src/k8s.io/code-generator/examples/crd/apis/extensions/v1/register.go

@@ -0,0 +1,59 @@
+/*
+Copyright 2024 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 v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+var SchemeGroupVersion = schema.GroupVersion{Group: "extensions.test.crd.code-generator.k8s.io", Version: "v1"}
+
+var (
+	// TODO: move SchemeBuilder with zz_generated.deepcopy.go to k8s.io/api.
+	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	AddToScheme        = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes)
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+// Adds the list of known types to api.Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&TestType{},
+		&TestTypeList{},
+	)
+
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&metav1.Status{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

staging/src/k8s.io/code-generator/examples/crd/apis/extensions/v1/types.go

@@ -0,0 +1,65 @@
+/*
+Copyright 2024 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 v1
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// +genclient
+// +genclient:method=GetExtended,verb=get
+// +genclient:method=ListExtended,verb=list
+// +genclient:method=CreateExtended,verb=create
+// +genclient:method=UpdateExtended,verb=update
+// +genclient:method=PatchExtended,verb=patch
+// +genclient:method=ApplyExtended,verb=apply
+// +genclient:method=GetSubresource,verb=get,subresource=testsubresource,result=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource
+// +genclient:method=CreateSubresource,verb=create,subresource=testsubresource,input=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource,result=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource
+// +genclient:method=UpdateSubresource,verb=update,subresource=subresource,input=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource,result=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource
+// +genclient:method=ApplySubresource,verb=apply,subresource=subresource,input=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource,result=k8s.io/code-generator/examples/crd/apis/extensions/v1.TestSubresource
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// TestType is a top-level type. A client is created for it.
+type TestType struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	// +optional
+	Status TestTypeStatus `json:"status,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type TestSubresource struct {
+	metav1.TypeMeta `json:",inline"`
+
+	Name string `json:"name"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// TestTypeList is a top-level list type. The client methods for lists are automatically created.
+// You are not supposed to create a separate client for this one.
+type TestTypeList struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []TestType `json:"items"`
+}
+
+type TestTypeStatus struct {
+	Blah string `json:"blah"`
+}

staging/src/k8s.io/code-generator/examples/crd/apis/extensions/v1/zz_generated.deepcopy.go

@@ -0,0 +1,127 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 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.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestSubresource) DeepCopyInto(out *TestSubresource) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestSubresource.
+func (in *TestSubresource) DeepCopy() *TestSubresource {
+	if in == nil {
+		return nil
+	}
+	out := new(TestSubresource)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *TestSubresource) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestType) DeepCopyInto(out *TestType) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestType.
+func (in *TestType) DeepCopy() *TestType {
+	if in == nil {
+		return nil
+	}
+	out := new(TestType)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *TestType) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestTypeList) DeepCopyInto(out *TestTypeList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]TestType, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestTypeList.
+func (in *TestTypeList) DeepCopy() *TestTypeList {
+	if in == nil {
+		return nil
+	}
+	out := new(TestTypeList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *TestTypeList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestTypeStatus) DeepCopyInto(out *TestTypeStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestTypeStatus.
+func (in *TestTypeStatus) DeepCopy() *TestTypeStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(TestTypeStatus)
+	in.DeepCopyInto(out)
+	return out
+}

staging/src/k8s.io/code-generator/examples/crd/apis/extensions/v1/zz_generated.defaults.go

@@ -0,0 +1,33 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 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.
+*/
+
+// Code generated by defaulter-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// RegisterDefaults adds defaulters functions to the given scheme.
+// Public to allow building arbitrary schemes.
+// All generated defaulters are covering - they call all nested defaulters.
+func RegisterDefaults(scheme *runtime.Scheme) error {
+	return nil
+}