webhook-medium-2

webhook-mutate.go

// Mutate returns a new mutated pod according to lifespan tolerations rules
func (mpl containerResources) Mutate(pod *corev1.Pod) (*corev1.Pod, error) {
	mpl.Logger = mpl.Logger.WithField("mutation", mpl.Name())
	mpod := pod.DeepCopy()

	resources, err := parseResources()
	if err != nil {
		return &corev1.Pod{}, err
	}

	tn := corev1.ResourceRequirements{
		Limits:   resources.Limits,
		Requests: resources.Requests,
	}

	for index, n := range mpod.Spec.Containers {
		mpl.Logger.WithField("container", n.Name).
			Printf("applying default limits and request resource")

		mpod.Spec.Containers[index].Resources = tn

	}

	return mpod, nil
}