// 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
}
// 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
}