return fmt.Errorf("failed to create k8s client: %v", err)
			}

			var podName, ns string
			if labelSelector != "" {
				pl, err := kubeClient.PodsForSelector(context.TODO(), ctx.NamespaceOrDefault(ctx.Namespace()), labelSelector)
				if err != nil {
					return fmt.Errorf("not able to locate pod with selector %s: %v", labelSelector, err)
				}

				if len(pl.Items) < 1 {
					return errors.New("no pods found")
				}

			},
		},
	}
	runLevel1Excluder := &metav1.LabelSelector{
		MatchExpressions: []metav1.LabelSelectorRequirement{
			{
				Key:      "runlevel",
				Operator: metav1.LabelSelectorOpNotIn,
				Values:   []string{"1"},
			},
		},
	}
	matcher := &object.Matcher{}
	allScopes := v1.AllScopes
	testcases := []struct {
		name string

		objectSelector *metav1.LabelSelector
		attrs          admission.Attributes

	Service types.NamespacedName
	// LabelSelector is the value for the label on the ingress kubernetes objects
	LabelSelector string

	// Cluster to be used in a multicluster environment
	Cluster cluster.Cluster
}

func newIngress(ctx resource.Context, cfg ingressConfig) (i ingress.Instance) {
	if cfg.LabelSelector == "" {
		cfg.LabelSelector = defaultIngressIstioLabel
	}
	c := &ingressImpl{

// Returns the given selector, if labelKey is empty.
func CloneSelectorAndAddLabel(selector *metav1.LabelSelector, labelKey, labelValue string) *metav1.LabelSelector {
	if labelKey == "" {
		// Don't need to add a label.
		return selector
	}

	// Clone.
	newSelector := new(metav1.LabelSelector)

	// TODO(madhusudancs): Check if you can use deepCopy_extensions_LabelSelector here.

}

// AddFlags registers flags for finding resources
func (o *ResourceBuilderFlags) AddFlags(flagset *pflag.FlagSet) {
	o.FileNameFlags.AddFlags(flagset)

	if o.LabelSelector != nil {
		flagset.StringVarP(o.LabelSelector, "selector", "l", *o.LabelSelector, "Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)")
	}
	if o.FieldSelector != nil {

	return &s.NodeSelector
}

// LabelSelectorWrapper wraps a LabelSelector inside.
type LabelSelectorWrapper struct{ metav1.LabelSelector }

// MakeLabelSelector creates a LabelSelector wrapper.
func MakeLabelSelector() *LabelSelectorWrapper {
	return &LabelSelectorWrapper{metav1.LabelSelector{}}
}

// Label applies a {k,v} pair to the inner LabelSelector.
func (s *LabelSelectorWrapper) Label(k, v string) *LabelSelectorWrapper {

			labelKey:   "foo4",
			labelValue: "12",
			want: map[string]string{
				"foo4": "12",
			},
		},
	}

	for _, tc := range cases {
		ls_in := LabelSelector{MatchLabels: tc.labels, MatchExpressions: matchExpressions}
		ls_out := LabelSelector{MatchLabels: tc.want, MatchExpressions: matchExpressions}

		got := CloneSelectorAndAddLabel(&ls_in, tc.labelKey, tc.labelValue)
		if !reflect.DeepEqual(got, &ls_out) {

			},
		},
	}
	rs := &apps.ReplicaSet{
		ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
		Spec: apps.ReplicaSetSpec{
			Selector: &metav1.LabelSelector{MatchLabels: validSelector},
			Template: validPodTemplate.Template,
		},
		Status: apps.ReplicaSetStatus{
			Replicas:           1,
			ObservedGeneration: int64(10),
		},
	}

	Name          *string                             `json:"name,omitempty"`
	SignerName    *string                             `json:"signerName,omitempty"`
	LabelSelector *v1.LabelSelectorApplyConfiguration `json:"labelSelector,omitempty"`
	Optional      *bool                               `json:"optional,omitempty"`
	Path          *string                             `json:"path,omitempty"`
}

}

func TestLabelSelectorMatchExpression(t *testing.T) {
	testCases := []struct {
		name            string
		labelSelector   *metav1.LabelSelector
		wantErrorNumber int
		validateErrs    func(t *testing.T, errs field.ErrorList)
	}{{
		name: "Valid LabelSelector",
		labelSelector: &metav1.LabelSelector{
			MatchExpressions: []metav1.LabelSelectorRequirement{{
				Key:      "key",
				Operator: metav1.LabelSelectorOpIn,