---
- name: make sure gateway_ip_list is configured
  fail:
    msg: "you must set a list of IPs (comma separated) for gateway_ip_list"
  when: "gateway_ip_list | default('0.0.0.0') == '0.0.0.0'"

- name: fail if unsupported chap configuration
  fail:
    msg: "Mixing clients with CHAP enabled and disabled is not supported."
  with_items: "{{ client_connections | default({})  }}"
  when:
    - item.status is defined
    - item.status == "present"
    - item.chap
    - " '' in client_connections | selectattr('status', 'match', 'present') | map(attribute='chap') | list"