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https://github.com/ceph/ceph-csi.git
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fb000647b5
Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.9.2 to 0.10.0. - [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases) - [Commits](https://github.com/kubernetes-sigs/controller-runtime/compare/v0.9.2...v0.10.0) --- updated-dependencies: - dependency-name: sigs.k8s.io/controller-runtime dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
126 lines
4.9 KiB
Go
126 lines
4.9 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package internal
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import (
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"context"
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"time"
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"k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/cache"
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)
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// InformersMap create and caches Informers for (runtime.Object, schema.GroupVersionKind) pairs.
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// It uses a standard parameter codec constructed based on the given generated Scheme.
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type InformersMap struct {
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// we abstract over the details of structured/unstructured/metadata with the specificInformerMaps
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// TODO(directxman12): genericize this over different projections now that we have 3 different maps
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structured *specificInformersMap
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unstructured *specificInformersMap
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metadata *specificInformersMap
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// Scheme maps runtime.Objects to GroupVersionKinds
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Scheme *runtime.Scheme
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}
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// NewInformersMap creates a new InformersMap that can create informers for
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// both structured and unstructured objects.
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func NewInformersMap(config *rest.Config,
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scheme *runtime.Scheme,
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mapper meta.RESTMapper,
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resync time.Duration,
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namespace string,
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selectors SelectorsByGVK,
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disableDeepCopy DisableDeepCopyByGVK,
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) *InformersMap {
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return &InformersMap{
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structured: newStructuredInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy),
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unstructured: newUnstructuredInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy),
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metadata: newMetadataInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy),
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Scheme: scheme,
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}
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}
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// Start calls Run on each of the informers and sets started to true. Blocks on the context.
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func (m *InformersMap) Start(ctx context.Context) error {
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go m.structured.Start(ctx)
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go m.unstructured.Start(ctx)
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go m.metadata.Start(ctx)
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<-ctx.Done()
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return nil
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}
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// WaitForCacheSync waits until all the caches have been started and synced.
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func (m *InformersMap) WaitForCacheSync(ctx context.Context) bool {
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syncedFuncs := append([]cache.InformerSynced(nil), m.structured.HasSyncedFuncs()...)
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syncedFuncs = append(syncedFuncs, m.unstructured.HasSyncedFuncs()...)
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syncedFuncs = append(syncedFuncs, m.metadata.HasSyncedFuncs()...)
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if !m.structured.waitForStarted(ctx) {
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return false
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}
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if !m.unstructured.waitForStarted(ctx) {
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return false
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}
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if !m.metadata.waitForStarted(ctx) {
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return false
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}
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return cache.WaitForCacheSync(ctx.Done(), syncedFuncs...)
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}
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// Get will create a new Informer and add it to the map of InformersMap if none exists. Returns
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// the Informer from the map.
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func (m *InformersMap) Get(ctx context.Context, gvk schema.GroupVersionKind, obj runtime.Object) (bool, *MapEntry, error) {
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switch obj.(type) {
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case *unstructured.Unstructured:
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return m.unstructured.Get(ctx, gvk, obj)
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case *unstructured.UnstructuredList:
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return m.unstructured.Get(ctx, gvk, obj)
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case *metav1.PartialObjectMetadata:
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return m.metadata.Get(ctx, gvk, obj)
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case *metav1.PartialObjectMetadataList:
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return m.metadata.Get(ctx, gvk, obj)
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default:
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return m.structured.Get(ctx, gvk, obj)
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}
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}
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// newStructuredInformersMap creates a new InformersMap for structured objects.
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func newStructuredInformersMap(config *rest.Config, scheme *runtime.Scheme, mapper meta.RESTMapper, resync time.Duration,
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namespace string, selectors SelectorsByGVK, disableDeepCopy DisableDeepCopyByGVK) *specificInformersMap {
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return newSpecificInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy, createStructuredListWatch)
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}
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// newUnstructuredInformersMap creates a new InformersMap for unstructured objects.
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func newUnstructuredInformersMap(config *rest.Config, scheme *runtime.Scheme, mapper meta.RESTMapper, resync time.Duration,
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namespace string, selectors SelectorsByGVK, disableDeepCopy DisableDeepCopyByGVK) *specificInformersMap {
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return newSpecificInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy, createUnstructuredListWatch)
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}
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// newMetadataInformersMap creates a new InformersMap for metadata-only objects.
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func newMetadataInformersMap(config *rest.Config, scheme *runtime.Scheme, mapper meta.RESTMapper, resync time.Duration,
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namespace string, selectors SelectorsByGVK, disableDeepCopy DisableDeepCopyByGVK) *specificInformersMap {
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return newSpecificInformersMap(config, scheme, mapper, resync, namespace, selectors, disableDeepCopy, createMetadataListWatch)
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}
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