iiab/roles/0-init/tasks/network.yml

- name: Do we have a gateway? If 'ip route' specifies a default route, Ansible parses details here...
  debug:
    var: ansible_default_ipv4

- name: "If above ansible_default_ipv4.gateway is defined, set WAN candidate 'discovered_wan_iface: {{ ansible_default_ipv4.alias }}' -- using ansible_default_ipv4.alias"
  set_fact:
    discovered_wan_iface: "{{ ansible_default_ipv4.alias }}"
  when: ansible_default_ipv4.gateway is defined

- name: "Verify gateway active: ping -c4 {{ ansible_default_ipv4.gateway }} -- using ansible_default_ipv4.gateway"
  shell: ping -c4 "{{ ansible_default_ipv4.gateway }}" | grep icmp_seq=4 | wc -l
  register: gw_active_test
  when: discovered_wan_iface != "none"

- name: "If gateway responded, set 'gw_active: True' and 'iiab_wan_iface: {{ discovered_wan_iface }}' -- using discovered_wan_iface"
  set_fact:
    iiab_wan_iface: "{{ discovered_wan_iface }}"
    gw_active: True
  when: discovered_wan_iface != "none" and gw_active_test.stdout == "1"


- name: 'Test for Internet access, using: {{ iiab_download_url }}/heart-beat.txt'
  get_url:
    url: "{{ iiab_download_url }}/heart-beat.txt"
    dest: /tmp/heart-beat.txt
    #timeout: "{{ download_timeout }}"
    # @jvonau recommends: 100sec is too much (keep 10sec default)
  ignore_errors: True
  #async: 10
  #poll: 2
  register: internet_access_test

- name: "Set 'internet_available: True' if above download succeeded AND not disregard_network"
  set_fact:
    internet_available: True    # Initialized to 'False' in 0-init/defaults/main.yml
  when: not internet_access_test.failed and not disregard_network

- name: Remove downloaded Internet test file /tmp/heart-beat.txt
  file:
    path: /tmp/heart-beat.txt
    state: absent


- name: "Set 'iiab_fqdn: {{ iiab_hostname }}.{{ iiab_domain }}'"
  set_fact:
    iiab_fqdn: "{{ iiab_hostname }}.{{ iiab_domain }}"
    FQDN_changed: False

- name: Set hostname / domain (etc) in various places -- if iiab_fqdn != ansible_fqdn ({{ ansible_fqdn }})
  include_tasks: hostname.yml
  when: iiab_fqdn != ansible_fqdn

# 2021-07-30: FQDN_changed isn't used as in the past -- its remaining use is
# for {named, dhcpd, squid} in roles/network/tasks/main.yml -- possibly it
# should be reconsidered?  See PR #2876: roles/network might become optional?
- name: "Also set 'FQDN_changed: True' -- if iiab_fqdn != ansible_fqdn ({{ ansible_fqdn }})"
  set_fact:
    FQDN_changed: True
  when: iiab_fqdn != ansible_fqdn


- name: "Set 'gui_port: 80' for Admin Console if not adm_cons_force_ssl"
  set_fact:
    gui_port: 80
  when: not adm_cons_force_ssl    # 2021-07-30: default_vars.yml initializes 'adm_cons_force_ssl: False'

- name: "Set 'gui_port: 443' for Admin Console if adm_cons_force_ssl"
  set_fact:
    gui_port: 443
  when: adm_cons_force_ssl