func replaceTopology()

in plugins/in_tree_volume.go [86:101]

• 14 lines of code
• 9 McCabe index (conditional complexity)

func replaceTopology(pv *v1.PersistentVolume, oldKey, newKey string) error {
	// Make sure the necessary fields exist
	if pv == nil || pv.Spec.NodeAffinity == nil || pv.Spec.NodeAffinity.Required == nil ||
		pv.Spec.NodeAffinity.Required.NodeSelectorTerms == nil || len(pv.Spec.NodeAffinity.Required.NodeSelectorTerms) == 0 {
		return nil
	}
	for i := range pv.Spec.NodeAffinity.Required.NodeSelectorTerms {
		for j, r := range pv.Spec.NodeAffinity.Required.NodeSelectorTerms[i].MatchExpressions {
			if r.Key == oldKey {
				pv.Spec.NodeAffinity.Required.NodeSelectorTerms[i].MatchExpressions[j].Key = newKey
			}
		}
	}

	return nil
}