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don't watch headless services on kube-proxy

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This commit is contained in:
Sakuralbj
2024-08-19 22:57:47 +08:00
parent 0f095cf0ba
commit 9064bfbe87
2 changed files with 61 additions and 2 deletions
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9
cmd/kube-proxy/app/server.go
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@@ -537,7 +537,13 @@ func (s *ProxyServer) Run(ctx context.Context) error {
// Note: RegisterHandler() calls need to happen before creation of Sources because sources
// only notify on changes, and the initial update (on process start) may be lost if no handlers
// are registered yet.
serviceConfig := config.NewServiceConfig(ctx, informerFactory.Core().V1().Services(), s.Config.ConfigSyncPeriod.Duration)
// don't watch headless services for kube-proxy, they are proxied by DNS.
serviceInformerFactory := informers.NewSharedInformerFactoryWithOptions(s.Client, s.Config.ConfigSyncPeriod.Duration,
informers.WithTweakListOptions(func(options *metav1.ListOptions) {
options.LabelSelector = labelSelector.String()
options.FieldSelector = fields.OneTermNotEqualSelector("spec.clusterIP", v1.ClusterIPNone).String()
}))
serviceConfig := config.NewServiceConfig(ctx, serviceInformerFactory.Core().V1().Services(), s.Config.ConfigSyncPeriod.Duration)
serviceConfig.RegisterEventHandler(s.Proxier)
go serviceConfig.Run(ctx.Done())
@@ -553,6 +559,7 @@ func (s *ProxyServer) Run(ctx context.Context) error {
// This has to start after the calls to NewServiceConfig because that
// function must configure its shared informer event handlers first.
informerFactory.Start(wait.NeverStop)
serviceInformerFactory.Start(wait.NeverStop)
// Make an informer that selects for our nodename.
currentNodeInformerFactory := informers.NewSharedInformerFactoryWithOptions(s.Client, s.Config.ConfigSyncPeriod.Duration,