ansible.infra.services/roles/ntp_server/defaults/main.yml

---
pools: []
allowed_subnets: []
#  - net: "192.168.0.0"
#    mask: "255.255.255.0"
driftfile: "/var/lib/ntp/drift"
logfile: "/var/log/messages"
#keyfile: "/etc/ntp/keys"
...