deploy: drop unnecessary resource handlers to reduce dc requeues

No reason to enqueue deployment configs on rc ADDs since there is no
new info deployment configs don't know at that point (adoption is not
possible). No reason to enqueue on pod ADDs since the only reasons we
need pod notification are 1) to bring back DELETEd pods and 2) to
update the deployment config status with AvailableReplicas once a pod
is UPDATEd to Ready/Available.

Author: 0xmichalis

pkg/deploy/controller/deploymentconfig/factory.go

@@ -54,13 +54,11 @@ func NewDeploymentConfigController(dcInformer, rcInformer, podInformer framework
 	})
 	c.rcStore.Indexer = rcInformer.GetIndexer()
 	rcInformer.AddEventHandler(framework.ResourceEventHandlerFuncs{
-		AddFunc:    c.addReplicationController,
 		UpdateFunc: c.updateReplicationController,
 		DeleteFunc: c.deleteReplicationController,
 	})
 	c.podStore.Indexer = podInformer.GetIndexer()
 	podInformer.AddEventHandler(framework.ResourceEventHandlerFuncs{
-		AddFunc:    c.addPod,
 		UpdateFunc: c.updatePod,
 		DeleteFunc: c.deletePod,
 	})
@@ -144,20 +142,6 @@ func (c *DeploymentConfigController) deleteDeploymentConfig(obj interface{}) {
 	c.enqueueDeploymentConfig(dc)
 }
 
-// addReplicationController figures out which deploymentconfig is managing this replication
-// controller and requeues the deployment config.
-// TODO: Determine if we need to resync here. Would be useful for adoption but we cannot
-// adopt right now.
-func (c *DeploymentConfigController) addReplicationController(obj interface{}) {
-	rc := obj.(*kapi.ReplicationController)
-	glog.V(4).Infof("Replication controller %q added.", rc.Name)
-	// We are waiting for the deployment config store to sync but still there are pathological
-	// cases of highly latent watches.
-	if dc, err := c.dcStore.GetConfigForController(rc); err == nil && dc != nil {
-		c.enqueueDeploymentConfig(dc)
-	}
-}
-
 // updateReplicationController figures out which deploymentconfig is managing this replication
 // controller and requeues the deployment config.
 func (c *DeploymentConfigController) updateReplicationController(old, cur interface{}) {
@@ -201,12 +185,6 @@ func (c *DeploymentConfigController) deleteReplicationController(obj interface{}
 	}
 }
 
-func (c *DeploymentConfigController) addPod(obj interface{}) {
-	if dc, err := c.dcStore.GetConfigForPod(obj.(*kapi.Pod)); err == nil && dc != nil {
-		c.enqueueDeploymentConfig(dc)
-	}
-}
-
 func (c *DeploymentConfigController) updatePod(old, cur interface{}) {
 	curPod := cur.(*kapi.Pod)
 	oldPod := old.(*kapi.Pod)