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You can simply run a sh script that sets it up... https://github.com/Nyr/openvpn-install

I use this script for my servers as well and it seems much quicker and easier. What benefits does OP's method provide?

Ansible provides idempotency and some measure of auditabity. Ansible is one way to manage things.

I use this as well. Takes all of 2 mind to set up, or add a new user