// .DefaultConstraints and the selectors from the services, replication
// controllers, replica sets and stateful sets that match the pod.
func (pl *PodTopologySpread) buildDefaultConstraints(p *v1.Pod, action v1.UnsatisfiableConstraintAction) ([]topologySpreadConstraint, error) {
	constraints, err := pl.filterTopologySpreadConstraints(pl.defaultConstraints, p.Labels, action)
	if err != nil || len(constraints) == 0 {
		return nil, err
	}

	} else {
		allErrs = append(allErrs, metav1validation.ValidateLabelName(v, p)...)
	}
	return allErrs
}

func validateWhenUnsatisfiable(p *field.Path, v v1.UnsatisfiableConstraintAction) *field.Error {
	supportedScheduleActions := sets.New(string(v1.DoNotSchedule), string(v1.ScheduleAnyway))

	if len(v) == 0 {
		return field.Required(p, "can not be empty")
	}

	return p
}

// SpreadConstraint constructs a TopologySpreadConstraint object and injects
// into the inner pod.
func (p *PodWrapper) SpreadConstraint(maxSkew int, tpKey string, mode v1.UnsatisfiableConstraintAction, selector *metav1.LabelSelector, minDomains *int32, nodeAffinityPolicy, nodeTaintsPolicy *v1.NodeInclusionPolicy, matchLabelKeys []string) *PodWrapper {
	c := v1.TopologySpreadConstraint{

	DefaultHardPodAffinitySymmetricWeight int32 = 1
)

// UnsatisfiableConstraintAction defines the actions that can be taken for an
// unsatisfiable constraint.
type UnsatisfiableConstraintAction string

const (
	// DoNotSchedule instructs the scheduler not to schedule the pod
	// when constraints are not satisfied.
	DoNotSchedule UnsatisfiableConstraintAction = "DoNotSchedule"

	Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
}

// +enum
type UnsatisfiableConstraintAction string

const (
	// DoNotSchedule instructs the scheduler not to schedule the pod
	// when constraints are not satisfied.
	DoNotSchedule UnsatisfiableConstraintAction = "DoNotSchedule"
	// ScheduleAnyway instructs the scheduler to schedule the pod
	// even if constraints are not satisfied.

		return field.Required(fldPath, "can not be empty")
	}
	return nil
}

// ValidateWhenUnsatisfiable tests that the argument is a valid UnsatisfiableConstraintAction.
func ValidateWhenUnsatisfiable(fldPath *field.Path, action core.UnsatisfiableConstraintAction) *field.Error {
	if !supportedScheduleActions.Has(action) {
		return field.NotSupported(fldPath, action, sets.List(supportedScheduleActions))
	}
	return nil

	out.MaxSkew = in.MaxSkew
	out.TopologyKey = in.TopologyKey
	out.WhenUnsatisfiable = core.UnsatisfiableConstraintAction(in.WhenUnsatisfiable)
	out.LabelSelector = (*metav1.LabelSelector)(unsafe.Pointer(in.LabelSelector))
	out.MinDomains = (*int32)(unsafe.Pointer(in.MinDomains))

		},
		wantFieldErrors: []*field.Error{field.NotSupported(fieldPathWhenUnsatisfiable, core.UnsatisfiableConstraintAction(""), sets.List(supportedScheduleActions))},
	}, {
		name: "unsupported scheduling mode",
		constraints: []core.TopologySpreadConstraint{
			{MaxSkew: 1, TopologyKey: "k8s.io/zone", WhenUnsatisfiable: core.UnsatisfiableConstraintAction("N/A")},
		},

			postIndex := iNdEx + intStringLen
			if postIndex < 0 {
				return ErrInvalidLengthGenerated
			}
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			m.WhenUnsatisfiable = UnsatisfiableConstraintAction(dAtA[iNdEx:postIndex])
			iNdEx = postIndex
		case 4:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field LabelSelector", wireType)
			}
			var msglen int