restclient "k8s.io/client-go/rest"
	. "k8s.io/client-go/tools/cache"
	utiltesting "k8s.io/client-go/util/testing"
)

func parseSelectorOrDie(s string) fields.Selector {
	selector, err := fields.ParseSelector(s)
	if err != nil {
		panic(err)
	}
	return selector
}

// buildQueryValues is a convenience function for knowing if a namespace should be in a query param or not
func buildQueryValues(query url.Values) url.Values {

// Conveniently, exactly the format that ParseSelector takes.
func (ls Set) String() string {
	selector := make([]string, 0, len(ls))
	for key, value := range ls {
		selector = append(selector, key+"="+value)
	}
	// Sort for determinism.
	sort.StringSlice(selector).Sort()
	return strings.Join(selector, ",")
}

// Has returns whether the provided field exists in the map.
func (ls Set) Has(field string) bool {

			labelSet = labels.Merge(labelSet, rc.Spec.Selector)
			selector = labelSet.AsSelector()
		}
	case rsKind:
		if rs, err := rsl.ReplicaSets(pod.Namespace).Get(owner.Name); err == nil {
			if other, err := metav1.LabelSelectorAsSelector(rs.Spec.Selector); err == nil {
				if r, ok := other.Requirements(); ok {
					selector = selector.Add(r...)
				}
			}
		}
	case ssKind:

// Conveniently, exactly the format that ParseSelector takes.
func (ls Set) String() string {
	selector := make([]string, 0, len(ls))
	for key, value := range ls {
		selector = append(selector, key+"="+value)
	}
	// Sort for determinism.
	sort.StringSlice(selector).Sort()
	return strings.Join(selector, ",")
}

// Has returns whether the provided label exists in the map.
func (ls Set) Has(label string) bool {

		informers.WithNamespace(namespace),
		informers.WithTweakListOptions(func(listOptions *metav1.ListOptions) {
			listOptions.LabelSelector = labels.Set(map[string]string{labelKey: "true"}).AsSelector().String()
		})).
		Core().V1().ConfigMaps()
	c.cmInformer = i.Informer()
	c.cmHandle, _ = c.cmInformer.AddEventHandler(&DistroReportHandler{dc: c})

	return c
}

			{"metadata.name": "foo"},
		},
		false: {
			{"foo": "bar"},
		},
	}

	for expectedResult, fieldSet := range testFieldMap {
		for _, field := range fieldSet {
			m := MatchNode(labels.Everything(), field.AsSelector())
			_, matchesSingle := m.MatchesSingle()
			if e, a := expectedResult, matchesSingle; e != a {
				t.Errorf("%+v: expected %v, got %v", fieldSet, e, a)
			}
		}
	}
}

	"k8s.io/apimachinery/pkg/watch"
)

// Selector is a Visitor for resources that match a label selector.
type Selector struct {
	Client        RESTClient
	Mapping       *meta.RESTMapping
	Namespace     string
	LabelSelector string
	FieldSelector string
	LimitChunks   int64
}

// NewSelector creates a resource selector which hides details of getting items by their label selector.

	// Using an index for selectoes is problematic because selector != label
	// We can match a label to a selector, but we can't generate a selector from a label.
	c.ForEach(gvk.Telemetry, func(rs *resource.Instance) bool {
		s := rs.Message.(*v1alpha1.Telemetry)

		// For this analysis, ignore Telemetries with no selectors specified at all.
		if s.Selector == nil || len(s.GetSelector().MatchLabels) == 0 {
			return true
		}

	"istio.io/istio/pkg/config/analysis/msg"
	"istio.io/istio/pkg/config/resource"
	"istio.io/istio/pkg/config/schema/gvk"
)

// SelectorAnalyzer validates, per namespace, that:
// * sidecar resources that define a workload selector match at least one pod
// * there aren't multiple sidecar resources that select overlapping pods
type SelectorAnalyzer struct{}

var _ analysis.Analyzer = &SelectorAnalyzer{}

// Metadata implements Analyzer

)

// ByServiceSelector returns a predicate that matches workload instances
// of a given service.
func ByServiceSelector(namespace string, selector labels.Instance) func(*model.WorkloadInstance) bool {
	return func(wi *model.WorkloadInstance) bool {
		return wi.Namespace == namespace && selector.Match(wi.Endpoint.Labels)
	}
}

// FindAllInIndex returns a list of workload instances in the index
// that match given predicate.
//