hiera jails are not picked up

[sowiso]

Hi,

We're using class { 'fail2ban': }

and configure with hiera:

fail2ban::package_ensure: 'latest'
fail2ban::jails:
  - ssh
  - ssh-ddos
  - apache-auth
  - apache-overflows

on ubuntu 18.04. but no jails are being installed? Did we miss anything?

fail2ban-client status Status |- Number of jail: 0 `- Jail list: