// NewclusterController returns a new cluster controller
func NewReplicaSetController(federationClient fedclientset.Interface) *ReplicaSetController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(federationClient))
recorder := broadcaster.NewRecorder(api.EventSource{Component: "federated-replicaset-controller"})
frsc := &ReplicaSetController{
fedClient: federationClient,
replicasetDeliverer: fedutil.NewDelayingDeliverer(),
clusterDeliverer: fedutil.NewDelayingDeliverer(),
replicasetWorkQueue: workqueue.New(),
replicaSetBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
defaultPlanner: planner.NewPlanner(&fed.FederatedReplicaSetPreferences{
Clusters: map[string]fed.ClusterReplicaSetPreferences{
"*": {Weight: 1},
},
}),
eventRecorder: recorder,
}
replicaSetFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return clientset.Extensions().ReplicaSets(apiv1.NamespaceAll).List(versionedOptions)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return clientset.Extensions().ReplicaSets(apiv1.NamespaceAll).Watch(versionedOptions)
},
},
&extensionsv1.ReplicaSet{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) { frsc.deliverLocalReplicaSet(obj, replicaSetReviewDelay) },
),
)
}
clusterLifecycle := fedutil.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *fedv1.Cluster) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterAvailableDelay)
},
ClusterUnavailable: func(cluster *fedv1.Cluster, _ []interface{}) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterUnavailableDelay)
},
}
frsc.fedReplicaSetInformer = fedutil.NewFederatedInformer(federationClient, replicaSetFedInformerFactory, &clusterLifecycle)
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return clientset.Core().Pods(apiv1.NamespaceAll).List(versionedOptions)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return clientset.Core().Pods(apiv1.NamespaceAll).Watch(versionedOptions)
},
},
&apiv1.Pod{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, allReplicaSetReviewDelay)
},
),
)
}
frsc.fedPodInformer = fedutil.NewFederatedInformer(federationClient, podFedInformerFactory, &fedutil.ClusterLifecycleHandlerFuncs{})
frsc.replicaSetStore.Indexer, frsc.replicaSetController = cache.NewIndexerInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return frsc.fedClient.Extensions().ReplicaSets(apiv1.NamespaceAll).List(versionedOptions)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
versionedOptions := fedutil.VersionizeV1ListOptions(options)
return frsc.fedClient.Extensions().ReplicaSets(apiv1.NamespaceAll).Watch(versionedOptions)
},
},
&extensionsv1.ReplicaSet{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnMetaAndSpecChanges(
func(obj runtime.Object) { frsc.deliverFedReplicaSetObj(obj, replicaSetReviewDelay) },
),
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
frsc.fedUpdater = fedutil.NewFederatedUpdater(frsc.fedReplicaSetInformer,
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.ReplicaSet)
_, err := client.Extensions().ReplicaSets(rs.Namespace).Create(rs)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.ReplicaSet)
_, err := client.Extensions().ReplicaSets(rs.Namespace).Update(rs)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.ReplicaSet)
err := client.Extensions().ReplicaSets(rs.Namespace).Delete(rs.Name, &apiv1.DeleteOptions{})
return err
})
frsc.deletionHelper = deletionhelper.NewDeletionHelper(
frsc.hasFinalizerFunc,
frsc.removeFinalizerFunc,
frsc.addFinalizerFunc,
// objNameFunc
func(obj runtime.Object) string {
replicaset := obj.(*extensionsv1.ReplicaSet)
return replicaset.Name
},
updateTimeout,
frsc.eventRecorder,
frsc.fedReplicaSetInformer,
frsc.fedUpdater,
)
return frsc
}
// NewNamespaceController returns a new namespace controller
func NewNamespaceController(client federationclientset.Interface) *NamespaceController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(api.EventSource{Component: "federated-namespace-controller"})
nc := &NamespaceController{
federatedApiClient: client,
namespaceReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
namespaceBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build delivereres for triggering reconciliations.
nc.namespaceDeliverer = util.NewDelayingDeliverer()
nc.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on namespaces that should be federated.
nc.namespaceInformerStore, nc.namespaceInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (pkg_runtime.Object, error) {
return client.Core().Namespaces().List(options)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return client.Core().Namespaces().Watch(options)
},
},
&api_v1.Namespace{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj pkg_runtime.Object) { nc.deliverNamespaceObj(obj, 0, false) }))
// Federated informer on namespaces in members of federation.
nc.namespaceFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federation_api.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (pkg_runtime.Object, error) {
return targetClient.Core().Namespaces().List(options)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return targetClient.Core().Namespaces().Watch(options)
},
},
&api_v1.Namespace{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some namespace opration succeeded.
util.NewTriggerOnMetaAndSpecChanges(
func(obj pkg_runtime.Object) { nc.deliverNamespaceObj(obj, nc.namespaceReviewDelay, false) },
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federation_api.Cluster) {
// When new cluster becomes available process all the namespaces again.
nc.clusterDeliverer.DeliverAfter(allClustersKey, nil, nc.clusterAvailableDelay)
},
},
)
// Federated updeater along with Create/Update/Delete operations.
nc.federatedUpdater = util.NewFederatedUpdater(nc.namespaceFederatedInformer,
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
_, err := client.Core().Namespaces().Create(namespace)
return err
},
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
_, err := client.Core().Namespaces().Update(namespace)
return err
},
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
err := client.Core().Namespaces().Delete(namespace.Name, &api.DeleteOptions{})
return err
})
return nc
}
// NewclusterController returns a new cluster controller
func NewReplicaSetController(federationClient fedclientset.Interface) *ReplicaSetController {
frsc := &ReplicaSetController{
fedClient: federationClient,
replicasetDeliverer: fedutil.NewDelayingDeliverer(),
clusterDeliverer: fedutil.NewDelayingDeliverer(),
replicasetWorkQueue: workqueue.New(),
replicaSetBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
defaultPlanner: planner.NewPlanner(&fed.FederatedReplicaSetPreferences{
Clusters: map[string]fed.ClusterReplicaSetPreferences{
"*": {Weight: 1},
},
}),
}
replicaSetFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, framework.ControllerInterface) {
return framework.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
return clientset.Extensions().ReplicaSets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return clientset.Extensions().ReplicaSets(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.ReplicaSet{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) { frsc.deliverLocalReplicaSet(obj, allReplicaSetReviewDealy) },
),
)
}
clusterLifecycle := fedutil.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *fedv1.Cluster) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterUnavailableDelay)
},
ClusterUnavailable: func(cluster *fedv1.Cluster, _ []interface{}) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterUnavailableDelay)
},
}
frsc.fedReplicaSetInformer = fedutil.NewFederatedInformer(federationClient, replicaSetFedInformerFactory, &clusterLifecycle)
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, framework.ControllerInterface) {
return framework.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
return clientset.Core().Pods(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return clientset.Core().Pods(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.Pod{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) {
frsc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterUnavailableDelay)
},
),
)
}
frsc.fedPodInformer = fedutil.NewFederatedInformer(federationClient, podFedInformerFactory, &fedutil.ClusterLifecycleHandlerFuncs{})
frsc.replicaSetStore.Store, frsc.replicaSetController = framework.NewInformer(
&cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
return frsc.fedClient.Extensions().ReplicaSets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return frsc.fedClient.Extensions().ReplicaSets(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.ReplicaSet{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnMetaAndSpecChanges(
func(obj runtime.Object) { frsc.deliverFedReplicaSetObj(obj, replicaSetReviewDelay) },
),
)
return frsc
}
