// 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) (runtime.Object, error) {
versionedOptions := util.VersionizeV1ListOptions(options)
return client.Core().Namespaces().List(versionedOptions)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
versionedOptions := util.VersionizeV1ListOptions(options)
return client.Core().Namespaces().Watch(versionedOptions)
},
},
&api_v1.Namespace{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj 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) (runtime.Object, error) {
versionedOptions := util.VersionizeV1ListOptions(options)
return targetClient.Core().Namespaces().List(versionedOptions)
},
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
versionedOptions := util.VersionizeV1ListOptions(options)
return targetClient.Core().Namespaces().Watch(versionedOptions)
},
},
&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 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 runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
_, err := client.Core().Namespaces().Create(namespace)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
_, err := client.Core().Namespaces().Update(namespace)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
namespace := obj.(*api_v1.Namespace)
err := client.Core().Namespaces().Delete(namespace.Name, &api_v1.DeleteOptions{})
// IsNotFound error is fine since that means the object is deleted already.
if errors.IsNotFound(err) {
return nil
}
return err
})
nc.deletionHelper = deletionhelper.NewDeletionHelper(
nc.hasFinalizerFunc,
nc.removeFinalizerFunc,
nc.addFinalizerFunc,
// objNameFunc
func(obj runtime.Object) string {
namespace := obj.(*api_v1.Namespace)
return namespace.Name
},
nc.updateTimeout,
nc.eventRecorder,
nc.namespaceFederatedInformer,
nc.federatedUpdater,
)
return nc
}
// NewIngressController returns a new ingress controller
func NewIngressController(client federationclientset.Interface) *IngressController {
glog.V(4).Infof("->NewIngressController V(4)")
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(v1.EventSource{Component: "federated-ingress-controller"})
ic := &IngressController{
federatedApiClient: client,
ingressReviewDelay: time.Second * 10,
configMapReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
ingressBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
configMapBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
}
// Build deliverers for triggering reconciliations.
ic.ingressDeliverer = util.NewDelayingDeliverer()
ic.clusterDeliverer = util.NewDelayingDeliverer()
ic.configMapDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on ingresses that should be federated.
ic.ingressInformerStore, ic.ingressInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return client.Extensions().Ingresses(api.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return client.Extensions().Ingresses(api.NamespaceAll).Watch(options)
},
},
&extensionsv1beta1.Ingress{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverIngressObj(obj, 0, false)
},
))
// Federated informer on ingresses in members of federation.
ic.ingressFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return targetClient.Extensions().Ingresses(api.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return targetClient.Extensions().Ingresses(api.NamespaceAll).Watch(options)
},
},
&extensionsv1beta1.Ingress{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some ingress operation succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverIngressObj(obj, ic.ingressReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the ingresses again, and configure it's ingress controller's configmap with the correct UID
ic.clusterDeliverer.DeliverAfter(cluster.Name, cluster, ic.clusterAvailableDelay)
},
},
)
// 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) {
glog.V(4).Infof("Returning new informer for cluster %q", cluster.Name)
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
if targetClient == nil {
glog.Errorf("Internal error: targetClient is nil")
}
return targetClient.Core().ConfigMaps(uidConfigMapNamespace).List(options) // we only want to list one by name - unfortunately Kubernetes don't have a selector for that.
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
if targetClient == nil {
glog.Errorf("Internal error: targetClient is nil")
}
return targetClient.Core().ConfigMaps(uidConfigMapNamespace).Watch(options) // as above
},
},
&v1.ConfigMap{},
controller.NoResyncPeriodFunc(),
// Trigger reconcilation whenever the ingress controller's configmap in a federated cluster is changed. In most cases it
// would be just confirmation that the configmap for the ingress controller is correct.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverConfigMapObj(cluster.Name, obj, ic.configMapReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
ic.clusterDeliverer.DeliverAfter(cluster.Name, cluster, ic.clusterAvailableDelay)
},
},
)
// Federated ingress updater along with Create/Update/Delete operations.
ic.federatedIngressUpdater = util.NewFederatedUpdater(ic.ingressFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to create Ingress: %v", ingress)
_, err := client.Extensions().Ingresses(ingress.Namespace).Create(ingress)
if err != nil {
glog.Errorf("Error creating ingress %q: %v", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace}, err)
} else {
glog.V(4).Infof("Successfully created ingress %q", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace})
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to update Ingress: %v", ingress)
_, err := client.Extensions().Ingresses(ingress.Namespace).Update(ingress)
if err != nil {
glog.V(4).Infof("Failed to update Ingress: %v", err)
} else {
glog.V(4).Infof("Successfully updated Ingress: %q", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace})
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to delete Ingress: %v", ingress)
err := client.Extensions().Ingresses(ingress.Namespace).Delete(ingress.Name, &v1.DeleteOptions{})
return err
})
// Federated configmap updater along with Create/Update/Delete operations. Only Update should ever be called.
ic.federatedConfigMapUpdater = util.NewFederatedUpdater(ic.configMapFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.Errorf("Internal error: Incorrectly attempting to create ConfigMap: %q", configMapName)
_, err := client.Core().ConfigMaps(configMap.Namespace).Create(configMap)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.V(4).Infof("Attempting to update ConfigMap: %v", configMap)
_, err := client.Core().ConfigMaps(configMap.Namespace).Update(configMap)
if err == nil {
glog.V(4).Infof("Successfully updated ConfigMap %q", configMapName)
} else {
glog.V(4).Infof("Failed to update ConfigMap %q: %v", configMapName, err)
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.Errorf("Internal error: Incorrectly attempting to delete ConfigMap: %q", configMapName)
err := client.Core().ConfigMaps(configMap.Namespace).Delete(configMap.Name, &v1.DeleteOptions{})
return err
})
ic.deletionHelper = deletionhelper.NewDeletionHelper(
ic.hasFinalizerFunc,
ic.removeFinalizerFunc,
ic.addFinalizerFunc,
// objNameFunc
func(obj pkgruntime.Object) string {
ingress := obj.(*extensionsv1beta1.Ingress)
return ingress.Name
},
ic.updateTimeout,
ic.eventRecorder,
ic.ingressFederatedInformer,
ic.federatedIngressUpdater,
)
return ic
}
// 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
}
// NewSecretController returns a new secret controller
func NewSecretController(client federationclientset.Interface) *SecretController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(apiv1.EventSource{Component: "federated-secrets-controller"})
secretcontroller := &SecretController{
federatedApiClient: client,
secretReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
secretBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build delivereres for triggering reconciliations.
secretcontroller.secretDeliverer = util.NewDelayingDeliverer()
secretcontroller.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on secrets that should be federated.
secretcontroller.secretInformerStore, secretcontroller.secretInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return client.Core().Secrets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return client.Core().Secrets(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.Secret{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj pkgruntime.Object) { secretcontroller.deliverSecretObj(obj, 0, false) }))
// Federated informer on secrets in members of federation.
secretcontroller.secretFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return targetClient.Core().Secrets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return targetClient.Core().Secrets(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.Secret{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some secret opration succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
secretcontroller.deliverSecretObj(obj, secretcontroller.secretReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the secrets again.
secretcontroller.clusterDeliverer.DeliverAt(allClustersKey, nil, time.Now().Add(secretcontroller.clusterAvailableDelay))
},
},
)
// Federated updeater along with Create/Update/Delete operations.
secretcontroller.federatedUpdater = util.NewFederatedUpdater(secretcontroller.secretFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
secret := obj.(*apiv1.Secret)
_, err := client.Core().Secrets(secret.Namespace).Create(secret)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
secret := obj.(*apiv1.Secret)
_, err := client.Core().Secrets(secret.Namespace).Update(secret)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
secret := obj.(*apiv1.Secret)
err := client.Core().Secrets(secret.Namespace).Delete(secret.Name, &apiv1.DeleteOptions{})
return err
})
secretcontroller.deletionHelper = deletionhelper.NewDeletionHelper(
secretcontroller.hasFinalizerFunc,
secretcontroller.removeFinalizerFunc,
secretcontroller.addFinalizerFunc,
// objNameFunc
func(obj pkgruntime.Object) string {
secret := obj.(*apiv1.Secret)
return secret.Name
},
secretcontroller.updateTimeout,
secretcontroller.eventRecorder,
secretcontroller.secretFederatedInformer,
secretcontroller.federatedUpdater,
)
return secretcontroller
}
// NewDaemonSetController returns a new daemonset controller
func NewDaemonSetController(client federationclientset.Interface) *DaemonSetController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(api_v1.EventSource{Component: "federated-daemonset-controller"})
daemonsetcontroller := &DaemonSetController{
federatedApiClient: client,
daemonsetReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
daemonsetBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build deliverers for triggering reconciliations.
daemonsetcontroller.daemonsetDeliverer = util.NewDelayingDeliverer()
daemonsetcontroller.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on daemonsets that should be federated.
daemonsetcontroller.daemonsetInformerStore, daemonsetcontroller.daemonsetInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api_v1.ListOptions) (pkg_runtime.Object, error) {
return client.Extensions().DaemonSets(api_v1.NamespaceAll).List(options)
},
WatchFunc: func(options api_v1.ListOptions) (watch.Interface, error) {
return client.Extensions().DaemonSets(api_v1.NamespaceAll).Watch(options)
},
},
&extensionsv1.DaemonSet{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj pkg_runtime.Object) { daemonsetcontroller.deliverDaemonSetObj(obj, 0, false) }))
// Federated informer on daemonsets in members of federation.
daemonsetcontroller.daemonsetFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federation_api.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.ControllerInterface) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options api_v1.ListOptions) (pkg_runtime.Object, error) {
return targetClient.Extensions().DaemonSets(api_v1.NamespaceAll).List(options)
},
WatchFunc: func(options api_v1.ListOptions) (watch.Interface, error) {
return targetClient.Extensions().DaemonSets(api_v1.NamespaceAll).Watch(options)
},
},
&extensionsv1.DaemonSet{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some daemonset opration succeeded.
util.NewTriggerOnAllChanges(
func(obj pkg_runtime.Object) {
daemonsetcontroller.deliverDaemonSetObj(obj, daemonsetcontroller.daemonsetReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federation_api.Cluster) {
// When new cluster becomes available process all the daemonsets again.
daemonsetcontroller.clusterDeliverer.DeliverAt(allClustersKey, nil, time.Now().Add(daemonsetcontroller.clusterAvailableDelay))
},
},
)
// Federated updater along with Create/Update/Delete operations.
daemonsetcontroller.federatedUpdater = util.NewFederatedUpdater(daemonsetcontroller.daemonsetFederatedInformer,
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to create daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
_, err := client.Extensions().DaemonSets(daemonset.Namespace).Create(daemonset)
if err != nil {
glog.Errorf("Error creating daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully created deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
},
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to update daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
_, err := client.Extensions().DaemonSets(daemonset.Namespace).Update(daemonset)
if err != nil {
glog.Errorf("Error updating daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully updating deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
},
func(client kubeclientset.Interface, obj pkg_runtime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to delete daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
err := client.Extensions().DaemonSets(daemonset.Namespace).Delete(daemonset.Name, &api_v1.DeleteOptions{})
if err != nil {
glog.Errorf("Error deleting daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully deleting deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
})
daemonsetcontroller.deletionHelper = deletionhelper.NewDeletionHelper(
daemonsetcontroller.hasFinalizerFunc,
daemonsetcontroller.removeFinalizerFunc,
daemonsetcontroller.addFinalizerFunc,
// objNameFunc
func(obj pkg_runtime.Object) string {
daemonset := obj.(*extensionsv1.DaemonSet)
return daemonset.Name
},
daemonsetcontroller.updateTimeout,
daemonsetcontroller.eventRecorder,
daemonsetcontroller.daemonsetFederatedInformer,
daemonsetcontroller.federatedUpdater,
)
return daemonsetcontroller
}
func New(federationClient fedclientset.Interface, dns dnsprovider.Interface,
federationName, serviceDnsSuffix, zoneName string, zoneID string) *ServiceController {
broadcaster := record.NewBroadcaster()
// federationClient event is not supported yet
// broadcaster.StartRecordingToSink(&unversioned_core.EventSinkImpl{Interface: kubeClient.Core().Events("")})
recorder := broadcaster.NewRecorder(v1.EventSource{Component: UserAgentName})
s := &ServiceController{
dns: dns,
federationClient: federationClient,
federationName: federationName,
serviceDnsSuffix: serviceDnsSuffix,
zoneName: zoneName,
zoneID: zoneID,
serviceCache: &serviceCache{fedServiceMap: make(map[string]*cachedService)},
clusterCache: &clusterClientCache{
rwlock: sync.Mutex{},
clientMap: make(map[string]*clusterCache),
},
eventBroadcaster: broadcaster,
eventRecorder: recorder,
queue: workqueue.New(),
knownClusterSet: make(sets.String),
}
s.clusterDeliverer = util.NewDelayingDeliverer()
s.serviceStore.Indexer, s.serviceController = cache.NewIndexerInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return s.federationClient.Core().Services(v1.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return s.federationClient.Core().Services(v1.NamespaceAll).Watch(options)
},
},
&v1.Service{},
serviceSyncPeriod,
cache.ResourceEventHandlerFuncs{
AddFunc: s.enqueueService,
UpdateFunc: func(old, cur interface{}) {
// there is case that old and new are equals but we still catch the event now.
if !reflect.DeepEqual(old, cur) {
s.enqueueService(cur)
}
},
DeleteFunc: s.enqueueService,
},
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
s.clusterStore.Store, s.clusterController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return s.federationClient.Federation().Clusters().List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return s.federationClient.Federation().Clusters().Watch(options)
},
},
&v1beta1.Cluster{},
clusterSyncPeriod,
cache.ResourceEventHandlerFuncs{
DeleteFunc: s.clusterCache.delFromClusterSet,
AddFunc: s.clusterCache.addToClientMap,
UpdateFunc: func(old, cur interface{}) {
oldCluster, ok := old.(*v1beta1.Cluster)
if !ok {
return
}
curCluster, ok := cur.(*v1beta1.Cluster)
if !ok {
return
}
if !reflect.DeepEqual(oldCluster.Spec, curCluster.Spec) {
// update when spec is changed
s.clusterCache.addToClientMap(cur)
}
pred := getClusterConditionPredicate()
// only update when condition changed to ready from not-ready
if !pred(*oldCluster) && pred(*curCluster) {
s.clusterCache.addToClientMap(cur)
}
// did not handle ready -> not-ready
// how could we stop a controller?
},
},
)
clusterLifecycle := fedutil.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *v1beta1.Cluster) {
s.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterAvailableDelay)
},
}
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) {
return targetClient.Core().Services(v1.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return targetClient.Core().Services(v1.NamespaceAll).Watch(options)
},
},
&v1.Service{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some service operation succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
// TODO: Use this to enque services.
},
))
}
s.federatedInformer = fedutil.NewFederatedInformer(federationClient, fedInformerFactory, &clusterLifecycle)
federatedUpdater := fedutil.NewFederatedUpdater(s.federatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
svc := obj.(*v1.Service)
_, err := client.Core().Services(svc.Namespace).Create(svc)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
svc := obj.(*v1.Service)
_, err := client.Core().Services(svc.Namespace).Update(svc)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
svc := obj.(*v1.Service)
err := client.Core().Services(svc.Namespace).Delete(svc.Name, &v1.DeleteOptions{})
return err
})
s.deletionHelper = deletionhelper.NewDeletionHelper(
s.hasFinalizerFunc,
s.removeFinalizerFunc,
s.addFinalizerFunc,
// objNameFunc
func(obj pkgruntime.Object) string {
service := obj.(*v1.Service)
return service.Name
},
updateTimeout,
s.eventRecorder,
s.federatedInformer,
federatedUpdater,
)
s.endpointWorkerMap = make(map[string]bool)
s.serviceWorkerMap = make(map[string]bool)
s.endpointWorkerDoneChan = make(chan string, maxNoOfClusters)
s.serviceWorkerDoneChan = make(chan string, maxNoOfClusters)
return s
}