deepcopy: add interface deepcopy funcs

- add DeepCopyObject() to runtime.Object interface
- add DeepCopyObject() via deepcopy-gen
- add DeepCopyObject() manually
- add DeepCopySelector() to selector interfaces
- add custom DeepCopy func for TableRow.Cells

Kubernetes-commit: 39d95b9b065fffebe5b6f233d978fe1723722085

pkg/apis/apiserver/types.go

@@ -21,6 +21,8 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // AdmissionConfiguration provides versioned configuration for admission controllers.
 type AdmissionConfiguration struct {
 	metav1.TypeMeta

pkg/apis/apiserver/v1alpha1/types.go

@@ -21,6 +21,8 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // AdmissionConfiguration provides versioned configuration for admission controllers.
 type AdmissionConfiguration struct {
 	metav1.TypeMeta `json:",inline"`

pkg/apis/audit/types.go

@@ -65,6 +65,8 @@ const (
 	StagePanic = "Panic"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Event captures all the information that can be included in an API audit log.
 type Event struct {
 	metav1.TypeMeta
@@ -118,6 +120,8 @@ type Event struct {
 	ResponseObject *runtime.Unknown
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // EventList is a list of audit Events.
 type EventList struct {
 	metav1.TypeMeta
@@ -127,6 +131,8 @@ type EventList struct {
 	Items []Event
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Policy defines the configuration of audit logging, and the rules for how different request
 // categories are logged.
 type Policy struct {
@@ -142,6 +148,8 @@ type Policy struct {
 	Rules []PolicyRule
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // PolicyList is a list of audit Policies.
 type PolicyList struct {
 	metav1.TypeMeta

pkg/apis/audit/v1alpha1/types.go

@@ -66,6 +66,8 @@ const (
 	StagePanic = "Panic"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Event captures all the information that can be included in an API audit log.
 type Event struct {
 	metav1.TypeMeta `json:",inline"`
@@ -119,6 +121,8 @@ type Event struct {
 	ResponseObject *runtime.Unknown `json:"responseObject,omitempty" protobuf:"bytes,14,opt,name=responseObject"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // EventList is a list of audit Events.
 type EventList struct {
 	metav1.TypeMeta `json:",inline"`
@@ -128,6 +132,8 @@ type EventList struct {
 	Items []Event `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Policy defines the configuration of audit logging, and the rules for how different request
 // categories are logged.
 type Policy struct {
@@ -143,6 +149,8 @@ type Policy struct {
 	Rules []PolicyRule `json:"rules" protobuf:"bytes,2,rep,name=rules"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // PolicyList is a list of audit Policies.
 type PolicyList struct {
 	metav1.TypeMeta `json:",inline"`

pkg/apis/example/types.go

@@ -27,6 +27,8 @@ type (
 	RestartPolicy    string
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Pod is a collection of containers, used as either input (create, update) or as output (list, get).
 type Pod struct {
 	metav1.TypeMeta
@@ -124,6 +126,8 @@ type PodSpec struct {
 	SchedulerName string
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // PodList is a list of Pods.
 type PodList struct {
 	metav1.TypeMeta

pkg/apis/example/v1/types.go

@@ -27,6 +27,8 @@ type (
 	RestartPolicy    string
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // Pod is a collection of containers, used as either input (create, update) or as output (list, get).
 type Pod struct {
 	metav1.TypeMeta `json:",inline"`
@@ -178,6 +180,8 @@ type PodSpec struct {
 	SchedulerName string `json:"schedulername,omitempty" protobuf:"bytes,19,opt,name=schedulername"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // PodList is a list of Pods.
 type PodList struct {
 	metav1.TypeMeta `json:",inline"`

pkg/endpoints/apiserver_test.go

@@ -467,6 +467,9 @@ func (s *SimpleStream) Close() error {
 }
 
 func (obj *SimpleStream) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
+func (obj *SimpleStream) DeepCopyObject() runtime.Object {
+	panic("SimpleStream does not support DeepCopy")
+}
 
 func (s *SimpleStream) InputStream(version, accept string) (io.ReadCloser, bool, string, error) {
 	s.version = version
@@ -3761,6 +3764,13 @@ type UnregisteredAPIObject struct {
 func (obj *UnregisteredAPIObject) GetObjectKind() schema.ObjectKind {
 	return schema.EmptyObjectKind
 }
+func (obj *UnregisteredAPIObject) DeepCopyObject() runtime.Object {
+	if obj == nil {
+		return nil
+	}
+	clone := *obj
+	return &clone
+}
 
 func TestWriteJSONDecodeError(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {

pkg/endpoints/handlers/rest_test.go

@@ -64,6 +64,14 @@ type TestPatchSubType struct {
 	StringField string `json:"theField"`
 }
 
+func (obj *testPatchType) DeepCopyObject() runtime.Object {
+	if obj == nil {
+		return nil
+	}
+	clone := *obj
+	return &clone
+}
+
 func TestPatchAnonymousField(t *testing.T) {
 	testGV := schema.GroupVersion{Group: "", Version: "v"}
 	scheme.AddKnownTypes(testGV, &testPatchType{})

pkg/endpoints/openapi/testing/types.go

@@ -21,6 +21,7 @@ import (
 )
 
 // +k8s:deepcopy-gen=true
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 type TestType struct {
 }
 

pkg/endpoints/testing/types.go

@@ -20,6 +20,8 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 type Simple struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata"`
@@ -29,6 +31,8 @@ type Simple struct {
 	Labels map[string]string `json:"labels,omitempty"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 type SimpleRoot struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata"`
@@ -38,6 +42,8 @@ type SimpleRoot struct {
 	Labels map[string]string `json:"labels,omitempty"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 type SimpleGetOptions struct {
 	metav1.TypeMeta `json:",inline"`
 	Param1          string `json:"param1"`
@@ -52,6 +58,8 @@ func (SimpleGetOptions) SwaggerDoc() map[string]string {
 	}
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 type SimpleList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,inline"`
@@ -59,6 +67,8 @@ type SimpleList struct {
 	Items []Simple `json:"items,omitempty"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // SimpleXGSubresource is a cross group subresource, i.e. the subresource does not belong to the
 // same group as its parent resource.
 type SimpleXGSubresource struct {

pkg/registry/generic/rest/streamer.go

@@ -22,6 +22,7 @@ import (
 	"net/url"
 	"strings"
 
+	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apiserver/pkg/registry/rest"
 )
@@ -42,6 +43,9 @@ var _ rest.ResourceStreamer = &LocationStreamer{}
 func (obj *LocationStreamer) GetObjectKind() schema.ObjectKind {
 	return schema.EmptyObjectKind
 }
+func (obj *LocationStreamer) DeepCopyObject() runtime.Object {
+	panic("rest.LocationStreamer does not implement DeepCopyObject")
+}
 
 // InputStream returns a stream with the contents of the URL location. If no location is provided,
 // a null stream is returned.

pkg/registry/rest/rest.go

@@ -319,6 +319,8 @@ type StorageMetadata interface {
 	ProducesObject(verb string) interface{}
 }
 
+// +k8s:deepcopy-gen=true
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 // ConnectRequest is an object passed to admission control for Connect operations
 type ConnectRequest struct {
 	// Name is the name of the object on which the connect request was made

pkg/storage/selection_predicate_test.go

@@ -36,6 +36,12 @@ type IgnoredList struct {
 
 func (obj *Ignored) GetObjectKind() schema.ObjectKind     { return schema.EmptyObjectKind }
 func (obj *IgnoredList) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
+func (obj *Ignored) DeepCopyObject() runtime.Object {
+	panic("Ignored does not support DeepCopy")
+}
+func (obj *IgnoredList) DeepCopyObject() runtime.Object {
+	panic("IgnoredList does not support DeepCopy")
+}
 
 func TestSelectionPredicate(t *testing.T) {
 	table := map[string]struct {

pkg/storage/testing/types.go

@@ -20,6 +20,8 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 type TestResource struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata"`