Merge pull request #54463 from saad-ali/volumeAttachmentAPI

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>.

Introduce new `VolumeAttachment` API Object

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

Introduce a new `VolumeAttachment` API Object. This object will be used by the CSI volume plugin to enable external attachers (see design [here](https://github.com/kubernetes/community/pull/1258). In the future, existing volume plugins can be refactored to use this object as well.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:  Part of issue https://github.com/kubernetes/features/issues/178

**Special notes for your reviewer**:
None

**Release note**:

```release-note
NONE
```

Kubernetes-commit: ebe8ea73fd1a961779242dfbb629befa153e96fc

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/register.go

@@ -70,7 +70,6 @@ func AddToGroupVersion(scheme *runtime.Scheme, groupVersion schema.GroupVersion)
 	)
 
 	// register manually. This usually goes through the SchemeBuilder, which we cannot use here.
-	scheme.AddGeneratedDeepCopyFuncs(GetGeneratedDeepCopyFuncs()...)
 	AddConversionFuncs(scheme)
 	RegisterDefaults(scheme)
 }
@@ -90,6 +89,5 @@ func init() {
 	)
 
 	// register manually. This usually goes through the SchemeBuilder, which we cannot use here.
-	scheme.AddGeneratedDeepCopyFuncs(GetGeneratedDeepCopyFuncs()...)
 	RegisterDefaults(scheme)
 }

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/BUILD

@@ -32,7 +32,6 @@ go_library(
     importpath = "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured",
     deps = [
         "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/conversion:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/conversion/unstructured:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/zz_generated.deepcopy.go

@@ -21,27 +21,9 @@ limitations under the License.
 package unstructured
 
 import (
-	conversion "k8s.io/apimachinery/pkg/conversion"
 	runtime "k8s.io/apimachinery/pkg/runtime"
-	reflect "reflect"
 )
 
-// GetGeneratedDeepCopyFuncs returns the generated funcs, since we aren't registering them.
-//
-// Deprecated: deepcopy registration will go away when static deepcopy is fully implemented.
-func GetGeneratedDeepCopyFuncs() []conversion.GeneratedDeepCopyFunc {
-	return []conversion.GeneratedDeepCopyFunc{
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Unstructured).DeepCopyInto(out.(*Unstructured))
-			return nil
-		}, InType: reflect.TypeOf(&Unstructured{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*UnstructuredList).DeepCopyInto(out.(*UnstructuredList))
-			return nil
-		}, InType: reflect.TypeOf(&UnstructuredList{})},
-	}
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Unstructured) DeepCopyInto(out *Unstructured) {
 	clone := in.DeepCopy()

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/zz_generated.deepcopy.go

@@ -21,164 +21,10 @@ limitations under the License.
 package v1
 
 import (
-	conversion "k8s.io/apimachinery/pkg/conversion"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	types "k8s.io/apimachinery/pkg/types"
-	reflect "reflect"
 )
 
-// GetGeneratedDeepCopyFuncs returns the generated funcs, since we aren't registering them.
-//
-// Deprecated: deepcopy registration will go away when static deepcopy is fully implemented.
-func GetGeneratedDeepCopyFuncs() []conversion.GeneratedDeepCopyFunc {
-	return []conversion.GeneratedDeepCopyFunc{
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*APIGroup).DeepCopyInto(out.(*APIGroup))
-			return nil
-		}, InType: reflect.TypeOf(&APIGroup{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*APIGroupList).DeepCopyInto(out.(*APIGroupList))
-			return nil
-		}, InType: reflect.TypeOf(&APIGroupList{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*APIResource).DeepCopyInto(out.(*APIResource))
-			return nil
-		}, InType: reflect.TypeOf(&APIResource{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*APIResourceList).DeepCopyInto(out.(*APIResourceList))
-			return nil
-		}, InType: reflect.TypeOf(&APIResourceList{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*APIVersions).DeepCopyInto(out.(*APIVersions))
-			return nil
-		}, InType: reflect.TypeOf(&APIVersions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*DeleteOptions).DeepCopyInto(out.(*DeleteOptions))
-			return nil
-		}, InType: reflect.TypeOf(&DeleteOptions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Duration).DeepCopyInto(out.(*Duration))
-			return nil
-		}, InType: reflect.TypeOf(&Duration{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*ExportOptions).DeepCopyInto(out.(*ExportOptions))
-			return nil
-		}, InType: reflect.TypeOf(&ExportOptions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GetOptions).DeepCopyInto(out.(*GetOptions))
-			return nil
-		}, InType: reflect.TypeOf(&GetOptions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupKind).DeepCopyInto(out.(*GroupKind))
-			return nil
-		}, InType: reflect.TypeOf(&GroupKind{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupResource).DeepCopyInto(out.(*GroupResource))
-			return nil
-		}, InType: reflect.TypeOf(&GroupResource{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupVersion).DeepCopyInto(out.(*GroupVersion))
-			return nil
-		}, InType: reflect.TypeOf(&GroupVersion{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupVersionForDiscovery).DeepCopyInto(out.(*GroupVersionForDiscovery))
-			return nil
-		}, InType: reflect.TypeOf(&GroupVersionForDiscovery{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupVersionKind).DeepCopyInto(out.(*GroupVersionKind))
-			return nil
-		}, InType: reflect.TypeOf(&GroupVersionKind{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*GroupVersionResource).DeepCopyInto(out.(*GroupVersionResource))
-			return nil
-		}, InType: reflect.TypeOf(&GroupVersionResource{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Initializer).DeepCopyInto(out.(*Initializer))
-			return nil
-		}, InType: reflect.TypeOf(&Initializer{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Initializers).DeepCopyInto(out.(*Initializers))
-			return nil
-		}, InType: reflect.TypeOf(&Initializers{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*InternalEvent).DeepCopyInto(out.(*InternalEvent))
-			return nil
-		}, InType: reflect.TypeOf(&InternalEvent{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*LabelSelector).DeepCopyInto(out.(*LabelSelector))
-			return nil
-		}, InType: reflect.TypeOf(&LabelSelector{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*LabelSelectorRequirement).DeepCopyInto(out.(*LabelSelectorRequirement))
-			return nil
-		}, InType: reflect.TypeOf(&LabelSelectorRequirement{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*List).DeepCopyInto(out.(*List))
-			return nil
-		}, InType: reflect.TypeOf(&List{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*ListMeta).DeepCopyInto(out.(*ListMeta))
-			return nil
-		}, InType: reflect.TypeOf(&ListMeta{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*ListOptions).DeepCopyInto(out.(*ListOptions))
-			return nil
-		}, InType: reflect.TypeOf(&ListOptions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*MicroTime).DeepCopyInto(out.(*MicroTime))
-			return nil
-		}, InType: reflect.TypeOf(&MicroTime{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*ObjectMeta).DeepCopyInto(out.(*ObjectMeta))
-			return nil
-		}, InType: reflect.TypeOf(&ObjectMeta{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*OwnerReference).DeepCopyInto(out.(*OwnerReference))
-			return nil
-		}, InType: reflect.TypeOf(&OwnerReference{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Patch).DeepCopyInto(out.(*Patch))
-			return nil
-		}, InType: reflect.TypeOf(&Patch{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Preconditions).DeepCopyInto(out.(*Preconditions))
-			return nil
-		}, InType: reflect.TypeOf(&Preconditions{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*RootPaths).DeepCopyInto(out.(*RootPaths))
-			return nil
-		}, InType: reflect.TypeOf(&RootPaths{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*ServerAddressByClientCIDR).DeepCopyInto(out.(*ServerAddressByClientCIDR))
-			return nil
-		}, InType: reflect.TypeOf(&ServerAddressByClientCIDR{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Status).DeepCopyInto(out.(*Status))
-			return nil
-		}, InType: reflect.TypeOf(&Status{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*StatusCause).DeepCopyInto(out.(*StatusCause))
-			return nil
-		}, InType: reflect.TypeOf(&StatusCause{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*StatusDetails).DeepCopyInto(out.(*StatusDetails))
-			return nil
-		}, InType: reflect.TypeOf(&StatusDetails{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Time).DeepCopyInto(out.(*Time))
-			return nil
-		}, InType: reflect.TypeOf(&Time{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*Timestamp).DeepCopyInto(out.(*Timestamp))
-			return nil
-		}, InType: reflect.TypeOf(&Timestamp{})},
-		{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
-			in.(*WatchEvent).DeepCopyInto(out.(*WatchEvent))
-			return nil
-		}, InType: reflect.TypeOf(&WatchEvent{})},
-	}
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *APIGroup) DeepCopyInto(out *APIGroup) {
 	*out = *in