internal

package
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Published: Jun 3, 2022 License: Apache-2.0, Apache-2.0 Imports: 23 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func FieldIndexName

func FieldIndexName(field string) string

FieldIndexName constructs the name of the index over the given field, for use with an indexer.

func KeyToNamespacedKey

func KeyToNamespacedKey(ns string, baseKey string) string

KeyToNamespacedKey prefixes the given index key with a namespace for use in field selector indexes.

Types

type CacheReader

type CacheReader struct {
	// contains filtered or unexported fields
}

CacheReader wraps a cache.Index to implement the client.CacheReader interface for a single type.

func (*CacheReader) Get

Get checks the indexer for the object and writes a copy of it if found.

func (*CacheReader) List

List lists items out of the indexer and writes them to out.

type InformersMap

type InformersMap struct {

	// Scheme maps runtime.Objects to GroupVersionKinds
	Scheme *runtime.Scheme
	// contains filtered or unexported fields
}

InformersMap create and caches Informers for (runtime.Object, schema.GroupVersionKind) pairs. It uses a standard parameter codec constructed based on the given generated Scheme.

func NewInformersMap

func NewInformersMap(config *rest.Config,
	scheme *runtime.Scheme,
	mapper meta.RESTMapper,
	resync time.Duration,
	namespace string,
	selectors SelectorsByGVK,
) *InformersMap

NewInformersMap creates a new InformersMap that can create informers for both structured and unstructured objects.

func (*InformersMap) Get

Get will create a new Informer and add it to the map of InformersMap if none exists. Returns the Informer from the map.

func (*InformersMap) Remove

func (m *InformersMap) Remove(gvk schema.GroupVersionKind, obj runtime.Object)

Remove will remove an new Informer from the InformersMap and stop it if it exists.

func (*InformersMap) Start

func (m *InformersMap) Start(ctx context.Context) error

Start calls Run on each of the informers and sets started to true. Blocks on the context.

func (*InformersMap) WaitForCacheSync

func (m *InformersMap) WaitForCacheSync(ctx context.Context) bool

WaitForCacheSync waits until all the caches have been started and synced.

type MapEntry

type MapEntry struct {
	// Informer is the cached informer
	Informer cache.SharedIndexInformer

	// CacheReader wraps Informer and implements the CacheReader interface for a single type
	Reader CacheReader
	// contains filtered or unexported fields
}

MapEntry contains the cached data for an Informer.

func (*MapEntry) Start

func (e *MapEntry) Start(stop <-chan struct{})

Start starts the informer managed by a MapEntry. Blocks until the informer stops. The informer can be stopped either individually (via the entry's stop channel) or globally via the provided stop argument.

type Selector

type Selector struct {
	Label labels.Selector
	Field fields.Selector
}

Selector specify the label/field selector to fill in ListOptions.

func (Selector) ApplyToList

func (s Selector) ApplyToList(listOpts *metav1.ListOptions)

ApplyToList fill in ListOptions LabelSelector and FieldSelector if needed.

type SelectorsByGVK

type SelectorsByGVK map[schema.GroupVersionKind]Selector

SelectorsByGVK associate a GroupVersionKind to a field/label selector.

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