Add missing UID in SubjectAccessReviewSpec

WebhookAuthorizer's Authorize should send *all* the information
present in the user.Info data structure. We are not sending the
UID currently.

pkg/apis/authorization/types.go

@@ -121,6 +121,8 @@ type SubjectAccessReviewSpec struct {
 	// Extra corresponds to the user.Info.GetExtra() method from the authenticator.  Since that is input to the authorizer
 	// it needs a reflection here.
 	Extra map[string]ExtraValue
+	// UID information about the requesting user.
+	UID string
 }
 
 // ExtraValue masks the value so protobuf can generate

pkg/apis/authorization/v1/zz_generated.conversion.go

@@ -233,6 +233,7 @@ func autoConvert_v1_SubjectAccessReviewSpec_To_authorization_SubjectAccessReview
 	out.User = in.User
 	out.Groups = *(*[]string)(unsafe.Pointer(&in.Groups))
 	out.Extra = *(*map[string]authorization.ExtraValue)(unsafe.Pointer(&in.Extra))
+	out.UID = in.UID
 	return nil
 }
 
@@ -247,6 +248,7 @@ func autoConvert_authorization_SubjectAccessReviewSpec_To_v1_SubjectAccessReview
 	out.User = in.User
 	out.Groups = *(*[]string)(unsafe.Pointer(&in.Groups))
 	out.Extra = *(*map[string]v1.ExtraValue)(unsafe.Pointer(&in.Extra))
+	out.UID = in.UID
 	return nil
 }
 

pkg/apis/authorization/v1beta1/zz_generated.conversion.go

@@ -233,6 +233,7 @@ func autoConvert_v1beta1_SubjectAccessReviewSpec_To_authorization_SubjectAccessR
 	out.User = in.User
 	out.Groups = *(*[]string)(unsafe.Pointer(&in.Groups))
 	out.Extra = *(*map[string]authorization.ExtraValue)(unsafe.Pointer(&in.Extra))
+	out.UID = in.UID
 	return nil
 }
 
@@ -247,6 +248,7 @@ func autoConvert_authorization_SubjectAccessReviewSpec_To_v1beta1_SubjectAccessR
 	out.User = in.User
 	out.Groups = *(*[]string)(unsafe.Pointer(&in.Groups))
 	out.Extra = *(*map[string]v1beta1.ExtraValue)(unsafe.Pointer(&in.Extra))
+	out.UID = in.UID
 	return nil
 }