if len(c.MatchLabelKeys) > 0 {
			return true
		}
	}
	return false
}

// nodeAffinityPolicyInUse returns true if the pod spec is non-nil and has NodeAffinityPolicy field set
// in TopologySpreadConstraints
func nodeAffinityPolicyInUse(podSpec *api.PodSpec) bool {
	if podSpec == nil {
		return false
	}
	for _, c := range podSpec.TopologySpreadConstraints {