
All controllers in controller-manager that deal with objects generically work with those objects without needing the full object. Update the GC and quota controller to use PartialObjectMetadata input objects which is faster and more efficient.
57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
/*
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Copyright 2019 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 controller
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/informers"
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"k8s.io/client-go/metadata/metadatainformer"
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)
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// InformerFactory creates informers for each group version resource.
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type InformerFactory interface {
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ForResource(resource schema.GroupVersionResource) (informers.GenericInformer, error)
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Start(stopCh <-chan struct{})
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}
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type informerFactory struct {
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typedInformerFactory informers.SharedInformerFactory
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metadataInformerFactory metadatainformer.SharedInformerFactory
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}
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func (i *informerFactory) ForResource(resource schema.GroupVersionResource) (informers.GenericInformer, error) {
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informer, err := i.typedInformerFactory.ForResource(resource)
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if err != nil {
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return i.metadataInformerFactory.ForResource(resource), nil
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}
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return informer, nil
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}
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func (i *informerFactory) Start(stopCh <-chan struct{}) {
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i.typedInformerFactory.Start(stopCh)
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i.metadataInformerFactory.Start(stopCh)
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}
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// NewInformerFactory creates a new InformerFactory which works with both typed
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// resources and metadata-only resources
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func NewInformerFactory(typedInformerFactory informers.SharedInformerFactory, metadataInformerFactory metadatainformer.SharedInformerFactory) InformerFactory {
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return &informerFactory{
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typedInformerFactory: typedInformerFactory,
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metadataInformerFactory: metadataInformerFactory,
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}
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}
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