Please do not attempt to simplify this code
https://github.com/kubernetes/kubernetes/blob/60c4c2b2521fb454ce69dee737e3eb91a25e0535/pkg/controller/volume/persistentvolume/pv_controller.go
Discussions: https://discu.eu/q/https://github.com/kubernetes/kubernetes/blob/60c4c2b2521fb454ce69dee737e3eb91a25e0535/pkg/controller/volume/persistentvolume/pv_controller.go