Add union validation tags

pkg/apis/scheduling/v1alpha1/zz_generated.validations.go

@@ -122,9 +122,23 @@ func Validate_PodGroup(ctx context.Context, op operation.Operation, fldPath *fie
 	return errs
 }
 
+var unionMembershipFor_k8s_io_api_scheduling_v1alpha1_PodGroupPolicy_ = validate.NewUnionMembership(validate.NewUnionMember("basic"), validate.NewUnionMember("gang"))
+
 // Validate_PodGroupPolicy validates an instance of PodGroupPolicy according
 // to declarative validation rules in the API schema.
 func Validate_PodGroupPolicy(ctx context.Context, op operation.Operation, fldPath *field.Path, obj, oldObj *schedulingv1alpha1.PodGroupPolicy) (errs field.ErrorList) {
+	errs = append(errs, validate.Union(ctx, op, fldPath, obj, oldObj, unionMembershipFor_k8s_io_api_scheduling_v1alpha1_PodGroupPolicy_, func(obj *schedulingv1alpha1.PodGroupPolicy) bool {
+		if obj == nil {
+			return false
+		}
+		return obj.Basic != nil
+	}, func(obj *schedulingv1alpha1.PodGroupPolicy) bool {
+		if obj == nil {
+			return false
+		}
+		return obj.Gang != nil
+	})...)
+
 	// field schedulingv1alpha1.PodGroupPolicy.Basic
 	errs = append(errs,
 		func(fldPath *field.Path, obj, oldObj *schedulingv1alpha1.BasicSchedulingPolicy, oldValueCorrelated bool) (errs field.ErrorList) {

staging/src/k8s.io/api/scheduling/v1alpha1/generated.proto

@@ -70,6 +70,7 @@ message PodGroupPolicy {
   // +optional
   // +k8s:optional
   // +oneOf=PolicySelection
+  // +k8s:unionMember(memberName: "PolicySelectionBasic")
   optional BasicSchedulingPolicy basic = 2;
 
   // Gang specifies that the pods in this group should be scheduled using
@@ -78,6 +79,7 @@ message PodGroupPolicy {
   // +optional
   // +k8s:optional
   // +oneOf=PolicySelection
+  // +k8s:unionMember(memberName: "PolicySelectionGang")
   optional GangSchedulingPolicy gang = 3;
 }
 

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

@@ -177,6 +177,14 @@ type PodGroup struct {
 	Policy PodGroupPolicy `json:"policy" protobuf:"bytes,3,opt,name=policy"`
 }
 
+// +k8s:unionDiscriminator
+type PolicySelection string
+
+const (
+	PolicySelectionBasic PolicySelection = "basic"
+	PolicySelectionGang  PolicySelection = "gang"
+)
+
 // PodGroupPolicy defines the scheduling configuration for a PodGroup.
 type PodGroupPolicy struct {
 	// Basic specifies that the pods in this group should be scheduled using
@@ -185,6 +193,7 @@ type PodGroupPolicy struct {
 	// +optional
 	// +k8s:optional
 	// +oneOf=PolicySelection
+	// +k8s:unionMember(memberName: "PolicySelectionBasic")
 	Basic *BasicSchedulingPolicy `json:"basic,omitempty" protobuf:"bytes,2,opt,name=basic"`
 
 	// Gang specifies that the pods in this group should be scheduled using
@@ -193,6 +202,7 @@ type PodGroupPolicy struct {
 	// +optional
 	// +k8s:optional
 	// +oneOf=PolicySelection
+	// +k8s:unionMember(memberName: "PolicySelectionGang")
 	Gang *GangSchedulingPolicy `json:"gang,omitempty" protobuf:"bytes,3,opt,name=gang"`
 }