forked from openshift/origin
/
quota.go
104 lines (89 loc) · 4.78 KB
/
quota.go
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package controller
import (
"math/rand"
"time"
"github.com/openshift/origin/pkg/cmd/server/bootstrappolicy"
"github.com/openshift/origin/pkg/quota/controller/clusterquotamapping"
"github.com/openshift/origin/pkg/quota/controller/clusterquotareconciliation"
"github.com/openshift/origin/pkg/quota/image"
"k8s.io/kubernetes/pkg/controller"
kresourcequota "k8s.io/kubernetes/pkg/controller/resourcequota"
"k8s.io/kubernetes/pkg/quota/generic"
quotainstall "k8s.io/kubernetes/pkg/quota/install"
)
func RunResourceQuotaManager(ctx ControllerContext) (bool, error) {
concurrentResourceQuotaSyncs := int(ctx.OpenshiftControllerConfig.ResourceQuota.ConcurrentSyncs)
resourceQuotaSyncPeriod := ctx.OpenshiftControllerConfig.ResourceQuota.SyncPeriod.Duration
replenishmentSyncPeriodFunc := calculateResyncPeriod(ctx.OpenshiftControllerConfig.ResourceQuota.MinResyncPeriod.Duration)
saName := "resourcequota-controller"
listerFuncForResource := generic.ListerFuncForResourceFunc(ctx.GenericResourceInformer.ForResource)
quotaConfiguration := quotainstall.NewQuotaConfigurationForControllers(listerFuncForResource)
imageEvaluators := image.NewReplenishmentEvaluators(
listerFuncForResource,
ctx.ImageInformers.Image().InternalVersion().ImageStreams(),
ctx.ClientBuilder.OpenshiftInternalImageClientOrDie(saName).Image())
resourceQuotaRegistry := generic.NewRegistry(imageEvaluators)
resourceQuotaControllerOptions := &kresourcequota.ResourceQuotaControllerOptions{
QuotaClient: ctx.ClientBuilder.ClientOrDie(saName).Core(),
ResourceQuotaInformer: ctx.ExternalKubeInformers.Core().V1().ResourceQuotas(),
ResyncPeriod: controller.StaticResyncPeriodFunc(resourceQuotaSyncPeriod),
Registry: resourceQuotaRegistry,
ReplenishmentResyncPeriod: replenishmentSyncPeriodFunc,
IgnoredResourcesFunc: quotaConfiguration.IgnoredResources,
InformersStarted: ctx.InformersStarted,
InformerFactory: ctx.GenericResourceInformer,
}
controller, err := kresourcequota.NewResourceQuotaController(resourceQuotaControllerOptions)
if err != nil {
return true, err
}
go controller.Run(concurrentResourceQuotaSyncs, ctx.Stop)
return true, nil
}
func RunClusterQuotaReconciliationController(ctx ControllerContext) (bool, error) {
defaultResyncPeriod := 5 * time.Minute
defaultReplenishmentSyncPeriod := 12 * time.Hour
saName := bootstrappolicy.InfraClusterQuotaReconciliationControllerServiceAccountName
clusterQuotaMappingController := clusterquotamapping.NewClusterQuotaMappingController(
ctx.ExternalKubeInformers.Core().V1().Namespaces(),
ctx.QuotaInformers.Quota().InternalVersion().ClusterResourceQuotas())
resourceQuotaControllerClient := ctx.ClientBuilder.ClientOrDie("resourcequota-controller")
discoveryFunc := resourceQuotaControllerClient.Discovery().ServerPreferredNamespacedResources
listerFuncForResource := generic.ListerFuncForResourceFunc(ctx.GenericResourceInformer.ForResource)
quotaConfiguration := quotainstall.NewQuotaConfigurationForControllers(listerFuncForResource)
// TODO make a union registry
resourceQuotaRegistry := generic.NewRegistry(quotaConfiguration.Evaluators())
imageEvaluators := image.NewReplenishmentEvaluators(
listerFuncForResource,
ctx.ImageInformers.Image().InternalVersion().ImageStreams(),
ctx.ClientBuilder.OpenshiftInternalImageClientOrDie(saName).Image())
for i := range imageEvaluators {
resourceQuotaRegistry.Add(imageEvaluators[i])
}
options := clusterquotareconciliation.ClusterQuotaReconcilationControllerOptions{
ClusterQuotaInformer: ctx.QuotaInformers.Quota().InternalVersion().ClusterResourceQuotas(),
ClusterQuotaMapper: clusterQuotaMappingController.GetClusterQuotaMapper(),
ClusterQuotaClient: ctx.ClientBuilder.OpenshiftInternalQuotaClientOrDie(saName).Quota().ClusterResourceQuotas(),
Registry: resourceQuotaRegistry,
ResyncPeriod: defaultResyncPeriod,
ReplenishmentResyncPeriod: controller.StaticResyncPeriodFunc(defaultReplenishmentSyncPeriod),
DiscoveryFunc: discoveryFunc,
IgnoredResourcesFunc: quotaConfiguration.IgnoredResources,
InformersStarted: ctx.InformersStarted,
InformerFactory: ctx.GenericResourceInformer,
}
clusterQuotaReconciliationController, err := clusterquotareconciliation.NewClusterQuotaReconcilationController(options)
if err != nil {
return true, err
}
clusterQuotaMappingController.GetClusterQuotaMapper().AddListener(clusterQuotaReconciliationController)
go clusterQuotaMappingController.Run(5, ctx.Stop)
go clusterQuotaReconciliationController.Run(5, ctx.Stop)
return true, nil
}
func calculateResyncPeriod(period time.Duration) func() time.Duration {
return func() time.Duration {
factor := rand.Float64() + 1
return time.Duration(float64(period.Nanoseconds()) * factor)
}
}