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Use metadata informers instead of dynamic informers in controller manager

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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.
This commit is contained in:
Clayton Coleman
2019-07-10 18:37:24 -04:00
parent 98d87a4f03
commit d631f9b7e9
9 changed files with 43 additions and 44 deletions
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5
cmd/kube-controller-manager/app/core.go
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@@ -33,7 +33,6 @@ import (
"k8s.io/apimachinery/pkg/runtime/schema"
utilfeature "k8s.io/apiserver/pkg/util/feature"
cacheddiscovery "k8s.io/client-go/discovery/cached/memory"
"k8s.io/client-go/dynamic"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/metadata"
restclient "k8s.io/client-go/rest"
@@ -334,7 +333,7 @@ func startResourceQuotaController(ctx ControllerContext) (http.Handler, bool, er
QuotaClient: resourceQuotaControllerClient.CoreV1(),
ResourceQuotaInformer: ctx.InformerFactory.Core().V1().ResourceQuotas(),
ResyncPeriod: controller.StaticResyncPeriodFunc(ctx.ComponentConfig.ResourceQuotaController.ResourceQuotaSyncPeriod.Duration),
InformerFactory: ctx.GenericInformerFactory,
InformerFactory: ctx.ObjectOrMetadataInformerFactory,
ReplenishmentResyncPeriod: ctx.ResyncPeriod,
DiscoveryFunc: discoveryFunc,
IgnoredResourcesFunc: quotaConfiguration.IgnoredResources,
@@ -439,7 +438,7 @@ func startGarbageCollectorController(ctx ControllerContext) (http.Handler, bool,
ctx.RESTMapper,
deletableResources,
ignoredResources,
ctx.GenericInformerFactory,
ctx.ObjectOrMetadataInformerFactory,
ctx.InformersStarted,
)
if err != nil {