Merge pull request #519 from jetstack/release-0.2-adjust-backoff

Update exponential backoff base to 5s and max to 5m

pkg/controller/certificates/controller.go

@@ -66,7 +66,7 @@ func New(
 ) *Controller {
 	ctrl := &Controller{client: client, cmClient: cmClient, issuerFactory: issuerFactory, recorder: recorder}
 	ctrl.syncHandler = ctrl.processNextWorkItem
-	ctrl.queue = workqueue.NewNamedRateLimitingQueue(workqueue.NewItemExponentialFailureRateLimiter(time.Second*2, time.Minute*1), "certificates")
+	ctrl.queue = workqueue.NewNamedRateLimitingQueue(workqueue.NewItemExponentialFailureRateLimiter(time.Second*5, time.Minute*5), "certificates")
 	// Create a scheduled work queue that calls the ctrl.queue.Add method for
 	// each object in the queue. This is used to schedule re-checks of
 	// Certificate resources when they get near to expiry