controllers: simplify deepcopy calls

This commit is contained in:
Dr. Stefan Schimanski
2017-08-15 14:14:21 +02:00
parent 28f6b3fcc0
commit 1d053c4f7c
50 changed files with 86 additions and 475 deletions

View File

@@ -358,26 +358,15 @@ func (a *HorizontalController) reconcileKey(key string) error {
func (a *HorizontalController) reconcileAutoscaler(hpav1Shared *autoscalingv1.HorizontalPodAutoscaler) error {
// make a copy so that we never mutate the shared informer cache (conversion can mutate the object)
hpav1Raw, err := scheme.Scheme.DeepCopy(hpav1Shared)
if err != nil {
a.eventRecorder.Event(hpav1Shared, v1.EventTypeWarning, "FailedConvertHPA", err.Error())
return fmt.Errorf("failed to deep-copy the HPA: %v", err)
}
hpav1 := hpav1Shared.DeepCopy()
// then, convert to autoscaling/v2, which makes our lives easier when calculating metrics
hpav1 := hpav1Raw.(*autoscalingv1.HorizontalPodAutoscaler)
hpaRaw, err := UnsafeConvertToVersionVia(hpav1, autoscalingv2.SchemeGroupVersion)
if err != nil {
a.eventRecorder.Event(hpav1, v1.EventTypeWarning, "FailedConvertHPA", err.Error())
return fmt.Errorf("failed to convert the given HPA to %s: %v", autoscalingv2.SchemeGroupVersion.String(), err)
}
hpa := hpaRaw.(*autoscalingv2.HorizontalPodAutoscaler)
hpaStatusOriginalRaw, err := scheme.Scheme.DeepCopy(&hpa.Status)
if err != nil {
a.eventRecorder.Event(hpav1Shared, v1.EventTypeWarning, "FailedConvertHPA", err.Error())
return fmt.Errorf("failed to deep-copy the HPA status: %v", err)
}
hpaStatusOriginal := hpaStatusOriginalRaw.(*autoscalingv2.HorizontalPodAutoscalerStatus)
hpaStatusOriginal := hpa.Status.DeepCopy()
reference := fmt.Sprintf("%s/%s/%s", hpa.Spec.ScaleTargetRef.Kind, hpa.Namespace, hpa.Spec.ScaleTargetRef.Name)