// updatePetCount attempts to update the Status.Replicas of the given PetSet, with a single GET/PUT retry. func updatePetCount(kubeClient *client.Client, ps apps.PetSet, numPets int) (updateErr error) { if ps.Status.Replicas == numPets || kubeClient == nil { return nil } psClient := kubeClient.Apps().PetSets(ps.Namespace) var getErr error for i, ps := 0, &ps; ; i++ { glog.V(4).Infof(fmt.Sprintf("Updating replica count for PetSet: %s/%s, ", ps.Namespace, ps.Name) + fmt.Sprintf("replicas %d->%d (need %d), ", ps.Status.Replicas, numPets, ps.Spec.Replicas)) ps.Status = apps.PetSetStatus{Replicas: numPets} _, updateErr = psClient.UpdateStatus(ps) if updateErr == nil || i >= statusUpdateRetries { return updateErr } if ps, getErr = psClient.Get(ps.Name); getErr != nil { return getErr } } }