mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
synced 2025-03-12 11:47:05 +00:00
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
/*
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Copyright 2021-2022 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 nfdmaster
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import (
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"time"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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restclient "k8s.io/client-go/rest"
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"k8s.io/client-go/tools/cache"
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"k8s.io/klog/v2"
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nfdv1alpha1 "sigs.k8s.io/node-feature-discovery/pkg/apis/nfd/v1alpha1"
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nfdclientset "sigs.k8s.io/node-feature-discovery/pkg/generated/clientset/versioned"
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nfdscheme "sigs.k8s.io/node-feature-discovery/pkg/generated/clientset/versioned/scheme"
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nfdinformers "sigs.k8s.io/node-feature-discovery/pkg/generated/informers/externalversions"
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nfdlisters "sigs.k8s.io/node-feature-discovery/pkg/generated/listers/nfd/v1alpha1"
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)
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type nfdController struct {
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ruleLister nfdlisters.NodeFeatureRuleLister
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stopChan chan struct{}
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}
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func newNfdController(config *restclient.Config) *nfdController {
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c := &nfdController{
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stopChan: make(chan struct{}, 1),
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}
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nfdClient := nfdclientset.NewForConfigOrDie(config)
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informerFactory := nfdinformers.NewSharedInformerFactory(nfdClient, 5*time.Minute)
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ruleInformer := informerFactory.Nfd().V1alpha1().NodeFeatureRules()
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_, _ = ruleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
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AddFunc: func(object interface{}) {
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key, _ := cache.MetaNamespaceKeyFunc(object)
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klog.V(2).Infof("NodeFeatureRule %v added", key)
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},
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UpdateFunc: func(oldObject, newObject interface{}) {
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key, _ := cache.MetaNamespaceKeyFunc(newObject)
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klog.V(2).Infof("NodeFeatureRule %v updated", key)
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},
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DeleteFunc: func(object interface{}) {
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key, _ := cache.MetaNamespaceKeyFunc(object)
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klog.V(2).Infof("NodeFeatureRule %v deleted", key)
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},
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})
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informerFactory.Start(c.stopChan)
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utilruntime.Must(nfdv1alpha1.AddToScheme(nfdscheme.Scheme))
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c.ruleLister = ruleInformer.Lister()
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return c
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}
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func (c *nfdController) stop() {
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select {
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case c.stopChan <- struct{}{}:
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default:
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}
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}
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