// NewDeploymentController creates a new DeploymentController.
func NewDeploymentController(dInformer informers.DeploymentInformer, rsInformer informers.ReplicaSetInformer, podInformer informers.PodInformer, client clientset.Interface) *DeploymentController {
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(glog.Infof)
// TODO: remove the wrapper when every clients have moved to use the clientset.
eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: client.Core().Events("")})
if client != nil && client.Core().RESTClient().GetRateLimiter() != nil {
metrics.RegisterMetricAndTrackRateLimiterUsage("deployment_controller", client.Core().RESTClient().GetRateLimiter())
}
dc := &DeploymentController{
client: client,
eventRecorder: eventBroadcaster.NewRecorder(v1.EventSource{Component: "deployment-controller"}),
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "deployment"),
progressQueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "progress-check"),
}
dc.rsControl = controller.RealRSControl{
KubeClient: client,
Recorder: dc.eventRecorder,
}
dInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: dc.addDeployment,
UpdateFunc: dc.updateDeployment,
// This will enter the sync loop and no-op, because the deployment has been deleted from the store.
DeleteFunc: dc.deleteDeployment,
})
rsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: dc.addReplicaSet,
UpdateFunc: dc.updateReplicaSet,
DeleteFunc: dc.deleteReplicaSet,
})
podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
DeleteFunc: dc.deletePod,
})
dc.syncHandler = dc.syncDeployment
dc.enqueueDeployment = dc.enqueue
dc.dLister = dInformer.Lister()
dc.rsLister = rsInformer.Lister()
dc.podLister = podInformer.Lister()
dc.dListerSynced = dInformer.Informer().HasSynced
dc.rsListerSynced = dInformer.Informer().HasSynced
dc.podListerSynced = dInformer.Informer().HasSynced
return dc
}
// NewReplicaSetController configures a replica set controller with the specified event recorder
func NewReplicaSetController(rsInformer informers.ReplicaSetInformer, podInformer informers.PodInformer, kubeClient clientset.Interface, burstReplicas int, lookupCacheSize int, garbageCollectorEnabled bool) *ReplicaSetController {
if kubeClient != nil && kubeClient.Core().RESTClient().GetRateLimiter() != nil {
metrics.RegisterMetricAndTrackRateLimiterUsage("replicaset_controller", kubeClient.Core().RESTClient().GetRateLimiter())
}
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: kubeClient.Core().Events("")})
rsc := &ReplicaSetController{
kubeClient: kubeClient,
podControl: controller.RealPodControl{
KubeClient: kubeClient,
Recorder: eventBroadcaster.NewRecorder(api.EventSource{Component: "replicaset-controller"}),
},
burstReplicas: burstReplicas,
expectations: controller.NewUIDTrackingControllerExpectations(controller.NewControllerExpectations()),
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "replicaset"),
garbageCollectorEnabled: garbageCollectorEnabled,
}
rsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: rsc.enqueueReplicaSet,
UpdateFunc: rsc.updateRS,
// This will enter the sync loop and no-op, because the replica set has been deleted from the store.
// Note that deleting a replica set immediately after scaling it to 0 will not work. The recommended
// way of achieving this is by performing a `stop` operation on the replica set.
DeleteFunc: rsc.enqueueReplicaSet,
})
podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: rsc.addPod,
// This invokes the ReplicaSet for every pod change, eg: host assignment. Though this might seem like
// overkill the most frequent pod update is status, and the associated ReplicaSet will only list from
// local storage, so it should be ok.
UpdateFunc: rsc.updatePod,
DeleteFunc: rsc.deletePod,
})
rsc.syncHandler = rsc.syncReplicaSet
rsc.rsLister = rsInformer.Lister()
rsc.podLister = podInformer.Lister()
rsc.podListerSynced = podInformer.Informer().HasSynced
rsc.lookupCache = controller.NewMatchingCache(lookupCacheSize)
return rsc
}