drop UID from the IPAddress.Spec.ParentRef

This field is not needed, IPAddresses are unique and
the name is canonicalized to avoid duplicates.

Change-Id: Iccaaf5d55e2af61fea7af9abd39584a80ed4054e

pkg/apis/networking/types.go

@@ -18,7 +18,6 @@ package networking
 
 import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/intstr"
 	api "k8s.io/kubernetes/pkg/apis/core"
 )
@@ -695,9 +694,6 @@ type ParentReference struct {
 	Namespace string
 	// Name is the name of the object being referenced.
 	Name string
-	// UID is the uid of the object being referenced.
-	// +optional
-	UID types.UID
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

pkg/registry/core/service/ipallocator/controller/repairip.go

@@ -552,7 +552,6 @@ func serviceToRef(svc *v1.Service) *networkingv1alpha1.ParentReference {
 		Resource:  "services",
 		Namespace: svc.Namespace,
 		Name:      svc.Name,
-		UID:       svc.UID,
 	}
 }
 

pkg/registry/core/service/ipallocator/ipallocator.go

@@ -571,6 +571,5 @@ func serviceToRef(svc *api.Service) *networkingv1alpha1.ParentReference {
 		Resource:  "services",
 		Namespace: svc.Namespace,
 		Name:      svc.Name,
-		UID:       svc.UID,
 	}
 }

staging/src/k8s.io/api/networking/v1alpha1/types.go

@@ -19,7 +19,6 @@ package v1alpha1
 import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/types"
 )
 
 // +genclient
@@ -143,9 +142,6 @@ type ParentReference struct {
 	// Name is the name of the object being referenced.
 	// +required
 	Name string `json:"name,omitempty" protobuf:"bytes,4,opt,name=name"`
-	// UID is the uid of the object being referenced.
-	// +optional
-	UID types.UID `json:"uid,omitempty" protobuf:"bytes,5,opt,name=uid,casttype=k8s.io/apimachinery/pkg/types.UID"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object