func (p *PodWrapper) NodeSelector(m map[string]string) *PodWrapper {
	p.Spec.NodeSelector = m
	return p
}

// NodeAffinityIn creates a HARD node affinity (with the operator In)
// and injects into the inner pod.
func (p *PodWrapper) NodeAffinityIn(key string, vals []string) *PodWrapper {
	if p.Spec.Affinity == nil {
		p.Spec.Affinity = &v1.Affinity{}
	}
	if p.Spec.Affinity.NodeAffinity == nil {