Install and configure freeradius with MySQL based on documentation
None
See defaults/main.yml
Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
- hosts: servers
roles:
- uspdev.freeradius
insert into radcheck (username,attribute,op,value) values("maria", "Cleartext-Password", ":=", "m123");
radtest maria m123 localhost 0 mysecret
tail -f /var/log/freeradius/radius.log