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Merge pull request #37505 from k82cn/use_controller_inf

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Automatic merge from submit-queue (batch tested with PRs 39807, 37505, 39844, 39525, 39109)

Made cache.Controller to be interface.

**What this PR does / why we need it**:

#37504
This commit is contained in:
Kubernetes Submit Queue 2017-01-13 13:40:41 -08:00 committed by GitHub
commit 6b5d82b512
36 changed files with 115 additions and 110 deletions
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2
federation/pkg/federation-controller/cluster/clustercontroller.go
View File

@ -49,7 +49,7 @@ type ClusterController struct {
clusterKubeClientMap map[string]ClusterClient
// cluster framework and store
clusterController *cache.Controller
clusterController cache.Controller
clusterStore clustercache.StoreToClusterLister
}

4
federation/pkg/federation-controller/configmap/configmap_controller.go
View File

@ -58,7 +58,7 @@ type ConfigMapController struct {
// Definitions of configmaps that should be federated.
configmapInformerStore cache.Store
// Informer controller for configmaps that should be federated.
configmapInformerController cache.ControllerInterface
configmapInformerController cache.Controller
// Client to federated api server.
federatedApiClient federationclientset.Interface
@ -112,7 +112,7 @@ func NewConfigMapController(client federationclientset.Interface) *ConfigMapCont
// Federated informer on configmaps in members of federation.
configmapcontroller.configmapFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {

4
federation/pkg/federation-controller/daemonset/daemonset_controller.go
View File

@ -63,7 +63,7 @@ type DaemonSetController struct {
// Definitions of daemonsets that should be federated.
daemonsetInformerStore cache.Store
// Informer controller for daemonsets that should be federated.
daemonsetInformerController cache.ControllerInterface
daemonsetInformerController cache.Controller
// Client to federated api server.
federatedApiClient federationclientset.Interface
@ -119,7 +119,7 @@ func NewDaemonSetController(client federationclientset.Interface) *DaemonSetCont
// Federated informer on daemonsets in members of federation.
daemonsetcontroller.daemonsetFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {

6
federation/pkg/federation-controller/deployment/deploymentcontroller.go
View File

@ -80,7 +80,7 @@ func parseFederationDeploymentPreference(fd *extensionsv1.Deployment) (*fed.Fede
type DeploymentController struct {
fedClient fedclientset.Interface
deploymentController *cache.Controller
deploymentController cache.Controller
deploymentStore cache.Store
fedDeploymentInformer fedutil.FederatedInformer
@ -119,7 +119,7 @@ func NewDeploymentController(federationClient fedclientset.Interface) *Deploymen
eventRecorder: recorder,
}
deploymentFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
deploymentFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
@ -146,7 +146,7 @@ func NewDeploymentController(federationClient fedclientset.Interface) *Deploymen
}
fdc.fedDeploymentInformer = fedutil.NewFederatedInformer(federationClient, deploymentFedInformerFactory, &clusterLifecycle)
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {

6
federation/pkg/federation-controller/ingress/ingress_controller.go
View File

@ -91,7 +91,7 @@ type IngressController struct {
// Definitions of ingresses that should be federated.
ingressInformerStore cache.Store
// Informer controller for ingresses that should be federated.
ingressInformerController cache.ControllerInterface
ingressInformerController cache.Controller
// Client to federated api server.
federatedApiClient federationclientset.Interface
@ -157,7 +157,7 @@ func NewIngressController(client federationclientset.Interface) *IngressControll
// Federated informer on ingresses in members of federation.
ic.ingressFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
@ -189,7 +189,7 @@ func NewIngressController(client federationclientset.Interface) *IngressControll
// Federated informer on configmaps for ingress controllers in members of the federation.
ic.configMapFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
glog.V(4).Infof("Returning new informer for cluster %q", cluster.Name)
return cache.NewInformer(
&cache.ListWatch{

4
federation/pkg/federation-controller/namespace/namespace_controller.go
View File

@ -60,7 +60,7 @@ type NamespaceController struct {
// Definitions of namespaces that should be federated.
namespaceInformerStore cache.Store
// Informer controller for namespaces that should be federated.
namespaceInformerController cache.ControllerInterface
namespaceInformerController cache.Controller
// Client to federated api server.
federatedApiClient federationclientset.Interface
@ -116,7 +116,7 @@ func NewNamespaceController(client federationclientset.Interface) *NamespaceCont
// Federated informer on namespaces in members of federation.
nc.namespaceFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {

6
federation/pkg/federation-controller/replicaset/replicasetcontroller.go
View File

@ -80,7 +80,7 @@ func parseFederationReplicaSetReference(frs *extensionsv1.ReplicaSet) (*fed.Fede
type ReplicaSetController struct {
fedClient fedclientset.Interface
replicaSetController *cache.Controller
replicaSetController cache.Controller
replicaSetStore cache.StoreToReplicaSetLister
fedReplicaSetInformer fedutil.FederatedInformer
@ -121,7 +121,7 @@ func NewReplicaSetController(federationClient fedclientset.Interface) *ReplicaSe
eventRecorder: recorder,
}
replicaSetFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
replicaSetFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
@ -148,7 +148,7 @@ func NewReplicaSetController(federationClient fedclientset.Interface) *ReplicaSe
}
frsc.fedReplicaSetInformer = fedutil.NewFederatedInformer(federationClient, replicaSetFedInformerFactory, &clusterLifecycle)
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {

4
federation/pkg/federation-controller/secret/secret_controller.go
View File

@ -61,7 +61,7 @@ type SecretController struct {
// Definitions of secrets that should be federated.
secretInformerStore cache.Store
// Informer controller for secrets that should be federated.
secretInformerController cache.ControllerInterface
secretInformerController cache.Controller
// Client to federated api server.
federatedApiClient federationclientset.Interface
@ -117,7 +117,7 @@ func NewSecretController(client federationclientset.Interface) *SecretController
// Federated informer on secrets in members of federation.
secretcontroller.secretFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {

4
federation/pkg/federation-controller/service/cluster_helper.go
View File

@ -41,11 +41,11 @@ type clusterCache struct {
// A store of services, populated by the serviceController
serviceStore cache.StoreToServiceLister
// Watches changes to all services
serviceController *cache.Controller
serviceController cache.Controller
// A store of endpoint, populated by the serviceController
endpointStore cache.StoreToEndpointsLister
// Watches changes to all endpoints
endpointController *cache.Controller
endpointController cache.Controller
// services that need to be synced
serviceQueue *workqueue.Type
// endpoints that need to be synced

6
federation/pkg/federation-controller/service/servicecontroller.go
View File

@ -121,12 +121,12 @@ type ServiceController struct {
// A store of services, populated by the serviceController
serviceStore cache.StoreToServiceLister
// Watches changes to all services
serviceController *cache.Controller
serviceController cache.Controller
federatedInformer fedutil.FederatedInformer
// A store of services, populated by the serviceController
clusterStore federationcache.StoreToClusterLister
// Watches changes to all services
clusterController *cache.Controller
clusterController cache.Controller
eventBroadcaster record.EventBroadcaster
eventRecorder record.EventRecorder
// services that need to be synced
@ -245,7 +245,7 @@ func New(federationClient fedclientset.Interface, dns dnsprovider.Interface,
s.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterAvailableDelay)
},
}
fedInformerFactory := func(cluster *v1beta1.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
fedInformerFactory := func(cluster *v1beta1.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {

4
federation/pkg/federation-controller/util/federated_informer.go
View File

@ -116,7 +116,7 @@ type FederatedInformerForTestOnly interface {
// A function that should be used to create an informer on the target object. Store should use
// cache.DeletionHandlingMetaNamespaceKeyFunc as a keying function.
type TargetInformerFactory func(*federationapi.Cluster, kubeclientset.Interface) (cache.Store, cache.ControllerInterface)
type TargetInformerFactory func(*federationapi.Cluster, kubeclientset.Interface) (cache.Store, cache.Controller)
// A structure with cluster lifecycle handler functions. Cluster is available (and ClusterAvailable is fired)
// when it is created in federated etcd and ready. Cluster becomes unavailable (and ClusterUnavailable is fired)
@ -242,7 +242,7 @@ func isClusterReady(cluster *federationapi.Cluster) bool {
}
type informer struct {
controller cache.ControllerInterface
controller cache.Controller
store cache.Store
stopChan chan struct{}
}

2
federation/pkg/federation-controller/util/federated_informer_test.go
View File

@ -77,7 +77,7 @@ func TestFederatedInformer(t *testing.T) {
return true, watch.NewFake(), nil
})
targetInformerFactory := func(cluster *federationapi.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
targetInformerFactory := func(cluster *federationapi.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {

33
pkg/client/cache/controller.go vendored
View File

@ -61,21 +61,21 @@ type Config struct {
type ProcessFunc func(obj interface{}) error
// Controller is a generic controller framework.
type Controller struct {
type controller struct {
config Config
reflector *Reflector
reflectorMutex sync.RWMutex
}
// TODO make the "Controller" private, and convert all references to use ControllerInterface instead
type ControllerInterface interface {
type Controller interface {
Run(stopCh <-chan struct{})
HasSynced() bool
LastSyncResourceVersion() string
}
// New makes a new Controller from the given Config.
func New(c *Config) *Controller {
ctlr := &Controller{
func New(c *Config) Controller {
ctlr := &controller{
config: *c,
}
return ctlr
@ -84,7 +84,7 @@ func New(c *Config) *Controller {
// Run begins processing items, and will continue until a value is sent down stopCh.
// It's an error to call Run more than once.
// Run blocks; call via go.
func (c *Controller) Run(stopCh <-chan struct{}) {
func (c *controller) Run(stopCh <-chan struct{}) {
defer utilruntime.HandleCrash()
r := NewReflector(
c.config.ListerWatcher,
@ -103,18 +103,15 @@ func (c *Controller) Run(stopCh <-chan struct{}) {
}
// Returns true once this controller has completed an initial resource listing
func (c *Controller) HasSynced() bool {
func (c *controller) HasSynced() bool {
return c.config.Queue.HasSynced()
}
// Requeue adds the provided object back into the queue if it does not already exist.
func (c *Controller) Requeue(obj interface{}) error {
return c.config.Queue.AddIfNotPresent(Deltas{
Delta{
Type: Sync,
Object: obj,
},
})
func (c *controller) LastSyncResourceVersion() string {
if c.reflector == nil {
return ""
}
return c.reflector.LastSyncResourceVersion()
}
// processLoop drains the work queue.
@ -126,7 +123,7 @@ func (c *Controller) Requeue(obj interface{}) error {
// actually exit when the controller is stopped. Or just give up on this stuff
// ever being stoppable. Converting this whole package to use Context would
// also be helpful.
func (c *Controller) processLoop() {
func (c *controller) processLoop() {
for {
obj, err := c.config.Queue.Pop(PopProcessFunc(c.config.Process))
if err != nil {
@ -218,7 +215,7 @@ func NewInformer(
objType runtime.Object,
resyncPeriod time.Duration,
h ResourceEventHandler,
) (Store, *Controller) {
) (Store, Controller) {
// This will hold the client state, as we know it.
clientState := NewStore(DeletionHandlingMetaNamespaceKeyFunc)
@ -284,7 +281,7 @@ func NewIndexerInformer(
resyncPeriod time.Duration,
h ResourceEventHandler,
indexers Indexers,
) (Indexer, *Controller) {
) (Indexer, Controller) {
// This will hold the client state, as we know it.
clientState := NewIndexer(DeletionHandlingMetaNamespaceKeyFunc, indexers)

14
pkg/client/cache/shared_informer.go vendored
View File

@ -43,7 +43,7 @@ type SharedInformer interface {
AddEventHandler(handler ResourceEventHandler) error
GetStore() Store
// GetController gives back a synthetic interface that "votes" to start the informer
GetController() ControllerInterface
GetController() Controller
Run(stopCh <-chan struct{})
HasSynced() bool
LastSyncResourceVersion() string
@ -108,7 +108,7 @@ func WaitForCacheSync(stopCh <-chan struct{}, cacheSyncs ...InformerSynced) bool
type sharedIndexInformer struct {
indexer Indexer
controller *Controller
controller Controller
processor *sharedProcessor
cacheMutationDetector CacheMutationDetector
@ -145,6 +145,10 @@ func (v *dummyController) HasSynced() bool {
return v.informer.HasSynced()
}
func (c *dummyController) LastSyncResourceVersion() string {
return ""
}
type updateNotification struct {
oldObj interface{}
newObj interface{}
@ -207,10 +211,10 @@ func (s *sharedIndexInformer) LastSyncResourceVersion() string {
s.startedLock.Lock()
defer s.startedLock.Unlock()
if s.controller == nil || s.controller.reflector == nil {
if s.controller == nil {
return ""
}
return s.controller.reflector.LastSyncResourceVersion()
return s.controller.LastSyncResourceVersion()
}
func (s *sharedIndexInformer) GetStore() Store {
@ -232,7 +236,7 @@ func (s *sharedIndexInformer) AddIndexers(indexers Indexers) error {
return s.indexer.AddIndexers(indexers)
}
func (s *sharedIndexInformer) GetController() ControllerInterface {
func (s *sharedIndexInformer) GetController() Controller {
return &dummyController{informer: s}
}

2
pkg/controller/certificates/certificate_controller.go
View File

@ -48,7 +48,7 @@ type CertificateController struct {
kubeClient clientset.Interface
// CSR framework and store
csrController *cache.Controller
csrController cache.Controller
csrStore cache.StoreToCertificateRequestLister
syncHandler func(csrKey string) error

12
pkg/controller/disruption/disruption.go
View File

@ -63,26 +63,26 @@ type DisruptionController struct {
kubeClient clientset.Interface
pdbStore cache.Store
pdbController *cache.Controller
pdbController cache.Controller
pdbLister cache.StoreToPodDisruptionBudgetLister
podController cache.ControllerInterface
podController cache.Controller
podLister cache.StoreToPodLister
rcIndexer cache.Indexer
rcController *cache.Controller
rcController cache.Controller
rcLister cache.StoreToReplicationControllerLister
rsStore cache.Store
rsController *cache.Controller
rsController cache.Controller
rsLister cache.StoreToReplicaSetLister
dIndexer cache.Indexer
dController *cache.Controller
dController cache.Controller
dLister cache.StoreToDeploymentLister
ssStore cache.Store
ssController *cache.Controller
ssController cache.Controller
ssLister cache.StoreToStatefulSetLister
// PodDisruptionBudget keys that need to be synced.

4
pkg/controller/endpoint/endpoints_controller.go
View File

@ -147,8 +147,8 @@ type EndpointController struct {
// Since we join two objects, we'll watch both of them with
// controllers.
serviceController *cache.Controller
podController cache.ControllerInterface
serviceController cache.Controller
podController cache.Controller
// podStoreSynced returns true if the pod store has been synced at least once.
// Added as a member to the struct to allow injection for testing.
podStoreSynced func() bool

2
pkg/controller/garbagecollector/garbagecollector.go
View File

@ -48,7 +48,7 @@ const ResourceResyncTime time.Duration = 0
type monitor struct {
store cache.Store
controller *cache.Controller
controller cache.Controller
}
type objectReference struct {

2
pkg/controller/namespace/namespace_controller.go
View File

@ -56,7 +56,7 @@ type NamespaceController struct {
// store that holds the namespaces
store cache.Store
// controller that observes the namespaces
controller *cache.Controller
controller cache.Controller
// namespaces that have been queued up for processing by workers
queue workqueue.RateLimitingInterface
// function to list of preferred resources for namespace deletion

4
pkg/controller/petset/pet_set.go
View File

@ -64,12 +64,12 @@ type StatefulSetController struct {
// podStoreSynced returns true if the pod store has synced at least once.
podStoreSynced func() bool
// Watches changes to all pods.
podController cache.ControllerInterface
podController cache.Controller
// A store of StatefulSets, populated by the psController.
psStore cache.StoreToStatefulSetLister
// Watches changes to all StatefulSets.
psController *cache.Controller
psController cache.Controller
// A store of the 1 unhealthy pet blocking progress for a given ps
blockingPetStore *unhealthyPetTracker

4
pkg/controller/podautoscaler/horizontal.go
View File

@ -66,13 +66,13 @@ type HorizontalController struct {
// A store of HPA objects, populated by the controller.
store cache.Store
// Watches changes to all HPA objects.
controller *cache.Controller
controller cache.Controller
}
var downscaleForbiddenWindow = 5 * time.Minute
var upscaleForbiddenWindow = 3 * time.Minute
func newInformer(controller *HorizontalController, resyncPeriod time.Duration) (cache.Store, *cache.Controller) {
func newInformer(controller *HorizontalController, resyncPeriod time.Duration) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (runtime.Object, error) {

2
pkg/controller/podgc/gc_controller.go
View File

@ -50,7 +50,7 @@ type PodGCController struct {
internalPodInformer cache.SharedIndexInformer
podStore cache.StoreToPodLister
podController cache.ControllerInterface
podController cache.Controller
deletePod func(namespace, name string) error
terminatedPodThreshold int

4
pkg/controller/podgc/gc_controller_test.go
View File

@ -37,6 +37,10 @@ func (*FakeController) HasSynced() bool {
return true
}
func (*FakeController) LastSyncResourceVersion() string {
return ""
}
func TestGCTerminated(t *testing.T) {
type nameToPhase struct {
name string

2
pkg/controller/replication/replication_controller.go
View File

@ -86,7 +86,7 @@ type ReplicationManager struct {
// A store of pods, populated by the podController
podLister cache.StoreToPodLister
// Watches changes to all pods
podController cache.ControllerInterface
podController cache.Controller
// podListerSynced returns true if the pod store has been synced at least once.
// Added as a member to the struct to allow injection for testing.
podListerSynced func() bool

9
pkg/controller/resourcequota/replenishment_controller.go
View File

@ -90,7 +90,7 @@ func ObjectReplenishmentDeleteFunc(options *ReplenishmentControllerOptions) func
type ReplenishmentControllerFactory interface {
// NewController returns a controller configured with the specified options.
// This method is NOT thread-safe.
NewController(options *ReplenishmentControllerOptions) (cache.ControllerInterface, error)
NewController(options *ReplenishmentControllerOptions) (cache.Controller, error)
}
// replenishmentControllerFactory implements ReplenishmentControllerFactory
@ -118,7 +118,8 @@ func NewReplenishmentControllerFactoryFromClient(kubeClient clientset.Interface)
func controllerFor(
groupResource schema.GroupResource,
f informers.SharedInformerFactory,
handlerFuncs cache.ResourceEventHandlerFuncs) (cache.ControllerInterface, error) {
handlerFuncs cache.ResourceEventHandlerFuncs,
) (cache.Controller, error) {
genericInformer, err := f.ForResource(groupResource)
if err != nil {
return nil, err
@ -128,7 +129,7 @@ func controllerFor(
return informer.GetController(), nil
}
func (r *replenishmentControllerFactory) NewController(options *ReplenishmentControllerOptions) (result cache.ControllerInterface, err error) {
func (r *replenishmentControllerFactory) NewController(options *ReplenishmentControllerOptions) (result cache.Controller, err error) {
if r.kubeClient != nil && r.kubeClient.Core().RESTClient().GetRateLimiter() != nil {
metrics.RegisterMetricAndTrackRateLimiterUsage("replenishment_controller", r.kubeClient.Core().RESTClient().GetRateLimiter())
}
@ -276,7 +277,7 @@ func IsUnhandledGroupKindError(err error) bool {
// returning the first success or failure it hits. If there are no hits either way, it return an UnhandledGroupKind error
type UnionReplenishmentControllerFactory []ReplenishmentControllerFactory
func (f UnionReplenishmentControllerFactory) NewController(options *ReplenishmentControllerOptions) (cache.ControllerInterface, error) {
func (f UnionReplenishmentControllerFactory) NewController(options *ReplenishmentControllerOptions) (cache.Controller, error) {
for _, factory := range f {
controller, err := factory.NewController(options)
if !IsUnhandledGroupKindError(err) {

6
pkg/controller/resourcequota/resource_quota_controller.go
View File

@ -60,7 +60,7 @@ type ResourceQuotaController struct {
// An index of resource quota objects by namespace
rqIndexer cache.Indexer
// Watches changes to all resource quota
rqController *cache.Controller
rqController cache.Controller
// ResourceQuota objects that need to be synchronized
queue workqueue.RateLimitingInterface
// missingUsageQueue holds objects that are missing the initial usage informatino
@ -72,7 +72,7 @@ type ResourceQuotaController struct {
// knows how to calculate usage
registry quota.Registry
// controllers monitoring to notify for replenishment
replenishmentControllers []cache.ControllerInterface
replenishmentControllers []cache.Controller
}
func NewResourceQuotaController(options *ResourceQuotaControllerOptions) *ResourceQuotaController {
@ -83,7 +83,7 @@ func NewResourceQuotaController(options *ResourceQuotaControllerOptions) *Resour
missingUsageQueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "resourcequota_priority"),
resyncPeriod: options.ResyncPeriod,
registry: options.Registry,
replenishmentControllers: []cache.ControllerInterface{},
replenishmentControllers: []cache.Controller{},
}
if options.KubeClient != nil && options.KubeClient.Core().RESTClient().GetRateLimiter() != nil {
metrics.RegisterMetricAndTrackRateLimiterUsage("resource_quota_controller", options.KubeClient.Core().RESTClient().GetRateLimiter())

2
pkg/controller/route/routecontroller.go
View File

@ -54,7 +54,7 @@ type RouteController struct {
clusterName string
clusterCIDR *net.IPNet
// Node framework and store
nodeController *cache.Controller
nodeController cache.Controller
nodeStore cache.StoreToNodeLister
}

2
pkg/controller/service/servicecontroller.go
View File

@ -87,7 +87,7 @@ type ServiceController struct {
// A store of services, populated by the serviceController
serviceStore cache.StoreToServiceLister
// Watches changes to all services
serviceController *cache.Controller
serviceController cache.Controller
eventBroadcaster record.EventBroadcaster
eventRecorder record.EventRecorder
nodeLister cache.StoreToNodeLister

4
pkg/controller/serviceaccount/tokens_controller.go
View File

@ -145,8 +145,8 @@ type TokensController struct {
secrets cache.Indexer
// Since we join two objects, we'll watch both of them with controllers.
serviceAccountController *cache.Controller
secretController *cache.Controller
serviceAccountController cache.Controller
secretController cache.Controller
// syncServiceAccountQueue handles service account events:
// * ensures a referenced token exists for service accounts which still exist

4
pkg/controller/volume/persistentvolume/pv_controller.go
View File

@ -146,10 +146,10 @@ const createProvisionedPVInterval = 10 * time.Second
// cache.Controllers that watch PersistentVolume and PersistentVolumeClaim
// changes.
type PersistentVolumeController struct {
volumeController *cache.Controller
volumeController cache.Controller
volumeInformer cache.Indexer
volumeSource cache.ListerWatcher
claimController *cache.Controller
claimController cache.Controller
claimInformer cache.Store
claimSource cache.ListerWatcher
classReflector *cache.Reflector

12
plugin/pkg/scheduler/factory/factory.go
View File

@ -80,12 +80,12 @@ type ConfigFactory struct {
StopEverything chan struct{}
informerFactory informers.SharedInformerFactory
scheduledPodPopulator cache.ControllerInterface
nodePopulator cache.ControllerInterface
pvPopulator cache.ControllerInterface
pvcPopulator cache.ControllerInterface
servicePopulator cache.ControllerInterface
controllerPopulator cache.ControllerInterface
scheduledPodPopulator cache.Controller
nodePopulator cache.Controller
pvPopulator cache.Controller
pvcPopulator cache.Controller
servicePopulator cache.Controller
controllerPopulator cache.Controller
schedulerCache schedulercache.Cache

32
staging/src/k8s.io/client-go/tools/cache/controller.go vendored
View File

@ -61,21 +61,20 @@ type Config struct {
type ProcessFunc func(obj interface{}) error
// Controller is a generic controller framework.
type Controller struct {
type controller struct {
config Config
reflector *Reflector
reflectorMutex sync.RWMutex
}
// TODO make the "Controller" private, and convert all references to use ControllerInterface instead
type ControllerInterface interface {
type Controller interface {
Run(stopCh <-chan struct{})
HasSynced() bool
}
// New makes a new Controller from the given Config.
func New(c *Config) *Controller {
ctlr := &Controller{
func New(c *Config) Controller {
ctlr := &controller{
config: *c,
}
return ctlr
@ -84,7 +83,7 @@ func New(c *Config) *Controller {
// Run begins processing items, and will continue until a value is sent down stopCh.
// It's an error to call Run more than once.
// Run blocks; call via go.
func (c *Controller) Run(stopCh <-chan struct{}) {
func (c *controller) Run(stopCh <-chan struct{}) {
defer utilruntime.HandleCrash()
r := NewReflector(
c.config.ListerWatcher,
@ -103,18 +102,15 @@ func (c *Controller) Run(stopCh <-chan struct{}) {
}
// Returns true once this controller has completed an initial resource listing
func (c *Controller) HasSynced() bool {
func (c *controller) HasSynced() bool {
return c.config.Queue.HasSynced()
}
// Requeue adds the provided object back into the queue if it does not already exist.
func (c *Controller) Requeue(obj interface{}) error {
return c.config.Queue.AddIfNotPresent(Deltas{
Delta{
Type: Sync,
Object: obj,
},
})
func (c *controller) LastSyncResourceVersion() string {
if c.reflector == nil {
return ""
}
return c.reflector.LastSyncResourceVersion()
}
// processLoop drains the work queue.
@ -126,7 +122,7 @@ func (c *Controller) Requeue(obj interface{}) error {
// actually exit when the controller is stopped. Or just give up on this stuff
// ever being stoppable. Converting this whole package to use Context would
// also be helpful.
func (c *Controller) processLoop() {
func (c *controller) processLoop() {
for {
obj, err := c.config.Queue.Pop(PopProcessFunc(c.config.Process))
if err != nil {
@ -218,7 +214,7 @@ func NewInformer(
objType runtime.Object,
resyncPeriod time.Duration,
h ResourceEventHandler,
) (Store, *Controller) {
) (Store, Controller) {
// This will hold the client state, as we know it.
clientState := NewStore(DeletionHandlingMetaNamespaceKeyFunc)
@ -284,7 +280,7 @@ func NewIndexerInformer(
resyncPeriod time.Duration,
h ResourceEventHandler,
indexers Indexers,
) (Indexer, *Controller) {
) (Indexer, Controller) {
// This will hold the client state, as we know it.
clientState := NewIndexer(DeletionHandlingMetaNamespaceKeyFunc, indexers)

10
staging/src/k8s.io/client-go/tools/cache/shared_informer.go vendored
View File

@ -43,7 +43,7 @@ type SharedInformer interface {
AddEventHandler(handler ResourceEventHandler) error
GetStore() Store
// GetController gives back a synthetic interface that "votes" to start the informer
GetController() ControllerInterface
GetController() Controller
Run(stopCh <-chan struct{})
HasSynced() bool
LastSyncResourceVersion() string
@ -108,7 +108,7 @@ func WaitForCacheSync(stopCh <-chan struct{}, cacheSyncs ...InformerSynced) bool
type sharedIndexInformer struct {
indexer Indexer
controller *Controller
controller Controller
processor *sharedProcessor
cacheMutationDetector CacheMutationDetector
@ -145,6 +145,10 @@ func (v *dummyController) HasSynced() bool {
return v.informer.HasSynced()
}
func (c *dummyController) LastSyncResourceVersion() string {
return ""
}
type updateNotification struct {
oldObj interface{}
newObj interface{}
@ -232,7 +236,7 @@ func (s *sharedIndexInformer) AddIndexers(indexers Indexers) error {
return s.indexer.AddIndexers(indexers)
}
func (s *sharedIndexInformer) GetController() ControllerInterface {
func (s *sharedIndexInformer) GetController() Controller {
return &dummyController{informer: s}
}

2
test/e2e/daemon_restart.go
View File

@ -192,7 +192,7 @@ var _ = framework.KubeDescribe("DaemonRestart [Disruptive]", func() {
existingPods := cache.NewStore(cache.MetaNamespaceKeyFunc)
var ns string
var config testutils.RCConfig
var controller *cache.Controller
var controller cache.Controller
var newPods cache.Store
var stopCh chan struct{}
var tracker *podTracker

2
test/e2e/network_partition.go
View File

@ -188,7 +188,7 @@ var _ = framework.KubeDescribe("Network Partition [Disruptive] [Slow]", func() {
nodeSelector := fields.OneTermEqualSelector("metadata.name", node.Name)
stopCh := make(chan struct{})
newNode := make(chan *v1.Node)
var controller *cache.Controller
var controller cache.Controller
_, controller = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (runtime.Object, error) {

3
test/e2e_node/density_test.go
View File

@ -476,8 +476,7 @@ func verifyPodStartupLatency(expect, actual framework.LatencyMetric) error {
}
// newInformerWatchPod creates an informer to check whether all pods are running.
func newInformerWatchPod(f *framework.Framework, mutex *sync.Mutex, watchTimes map[string]metav1.Time,
podType string) *cache.Controller {
func newInformerWatchPod(f *framework.Framework, mutex *sync.Mutex, watchTimes map[string]metav1.Time, podType string) cache.Controller {
ns := f.Namespace.Name
checkPodRunning := func(p *v1.Pod) {
mutex.Lock()