How to customize /etc/resolv.conf in RHEL instances which boot on Red Hat OpenStack Platform

Solution In Progress - Updated -

Issue

How to customize /etc/resolv.conf in RHEL instances which boot on Red Hat OpenStack Platform

E.g., how to modify the parameters

domain <...>
search <...>

Environment

Red Hat OpenStack Platform 8
Red Hat OpenStack Platform 9
Red Hat OpenStack Platform 10
Red Hat OpenStack Platform 11

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