Bare metal servers provisioning software

I am searching for a not very complicated system for provisioning bare metal servers (mostly Supermicro).

The steps for the new server deployment at the moment are:

Add server to a bootstrap network segment
Install base OS on the new server (Ubuntu)
Make some tweaks via ansible (add user/keys, some packages, iptables rules, etc)
Move server to the prod network segment and transfer to app admins.

Items 1,3,4 already automated with Ansible, now time to OS install process.

I’m looking to , but it looks some overkill for my purpose.

I would appreciate some advice.

Thanks!

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