iiab/roles/network/tasks/computed_network.yml

# just lie about active gateway present on XOs to suppress ifcfg-WAN
# auto-creation/moving with XOs using NM/system-connections/ via keyfile.
# ifcfg-rh acts on /etc/sys*/net*/ifcfg-* where we search for devices.
- name: Setting XO has WiFi gateway
  set_fact:
     user_wan_iface: "{{ discovered_wan_iface }}"
  when: discovered_wan_iface != "none" and xo_model != "none" and has_ifcfg_gw == "none"

- name: Checking for NetworkManager-config-server
  shell: rpm -qa | grep  NetworkManager-config-server | wc -l
  register: strict_networking_check

- name: Found Checking for NetworkManager-config-server
  set_fact:
     strict_networking: True
  when: strict_networking_check == "1"

- name: Use restricted network features
  set_fact:
     iiab_demo_mode: True
  when: teamviewer_install and not strict_networking

- name: XO laptop wants USB WiFi interface as AP mode
  set_fact:
     iiab_wireless_lan_iface: "{{ discovered_lan_iface }}"
  when: num_wifi_interfaces >= "2" and xo_model != "none" and discovered_wan_iface != "none" and discovered_wireless_iface == "eth0"

# static backout suppy new template file
- name: gui-static-wan
  set_fact:
    wan_ip: dhcp
    gui_static_wan_ip: undefined
  when: gui_static_wan_ip != "unset" and not gui_static_wan

- name: Undo gui-static-wan by requesting new template file
  set_fact:
     has_WAN: False
  when: gui_static_wan_ip != "unset" and not gui_static_wan

# figure out more than one interfaces to detect.
- name: Using GUI_STATIC info
  set_fact:
    has_WAN: False
    has_ifcfg_gw: "none"
    wan_ip: "{{ gui_static_wan_ip }}"
    wan_netmask: "{{ gui_static_wan_netmask }}"
    wan_gateway: "{{ gui_static_wan_gateway }}"
    wan_nameserver: "{{ gui_static_wan_nameserver }}"
  when: gui_static_wan and user_wan_iface != "auto"

# we need to have an interface name for ifcfg-WAN to be able to change gateway
# the DEVICE from the gui. Thanks to George for proving my point about knowing
# what device to switch to.
#- name: Using GUI_WAN info
#  set_fact:
#    user_wan_iface: "{{ gui_wan_iface }}"
#  when: gui_wan_iface != "unset" and gui_desired_network_role is defined and gui_desired_network_role != "LanController"

# should make the GUI buttons the last call
- name: Checking iiab_wan_enabled
  set_fact:
    user_wan_iface: "none"
  when: 'not iiab_wan_enabled'

# gui wants LanController # keeps ifcfg-WAN but onboot=no
# the change over might be a little bumpy ATM.
- name: Setting GUI wants 'LanController'
  set_fact:
    device_gw: "none"
    user_wan_iface: "none"
    iiab_gateway_enabled: "False"
  when: gui_desired_network_role is defined and gui_desired_network_role == "LanController"

# device_gw is used with the LAN detection and LAN's ifcfg file deletion.
# single interface vars/ users would need to set iiab_wan_enabled False as above, to disable the WAN
# and set user_lan_iface = <device> to suppress the auto detection for the same effect.

- name: Setting user_lan_iface for 'LanController' for single interface
  set_fact:
     user_lan_iface: "{{ discovered_wan_iface }}"
  when: discovered_wan_iface != "none" and num_lan_interfaces == "0" and gui_desired_network_role is defined and gui_desired_network_role == "LanController"

# override with user_wan_iface setting if no longer in auto
- name: Setting user WAN fact
  set_fact:
    iiab_wan_iface: "{{ user_wan_iface }}"
  when: user_wan_iface != "auto"

# user disabled interface - overriding all other entries
- name: Checking iiab_lan_enabled
  set_fact:
    user_lan_iface: "none"
  when: 'not iiab_lan_enabled'

# gui wants Appliance Note: could of used iiab_lan_enabled false
- name: Setting GUI wants 'Appliance'
  set_fact:
    user_lan_iface: "none"
    iiab_gateway_enabled: "False"
  when: gui_desired_network_role is defined and gui_desired_network_role == "Appliance"

# gui wants Gateway
- name: Setting GUI wants and has active 'Gateway'
  set_fact:
    user_lan_iface: "auto"
    user_wan_iface: "{{ iiab_wan_iface }}"
  when: gui_desired_network_role is defined and gui_desired_network_role == "Gateway" and iiab_wan_iface != "none"

# make it so number 2 vars should use user_wan_iface but we can cover a single
# wired if dhcp fails the interface should revert to LAN, static address should
# stick around but testing gateway response is not preformed.
- name: User wants single wired interface as static or dhcp gateway
  set_fact:
     user_wan_iface: "{{ discovered_lan_iface }}"
  when: num_lan_interfaces == "1" and user_lan_iface == "auto" and user_wan_iface == "auto"

- name: No LAN configured - 'Appliance' mode
  set_fact:
    iiab_network_mode: "Appliance"
  when: iiab_lan_iface == "none"

- name: LAN configured - 'LanController' mode
  set_fact:
    iiab_network_mode: "LanController"
  when: iiab_lan_iface != "none" and iiab_wan_iface == "none"

- name: LAN configured - 'Gateway' mode
  set_fact:
    iiab_network_mode: "Gateway"
  when: iiab_lan_iface != "none" and iiab_wan_iface != "none"

# override with user_lan_iface setting if no longer in auto
- name: Setting user LAN fact
  set_fact:
    iiab_lan_iface: "{{ user_lan_iface }}"
  when: 'user_lan_iface != "auto"'

# so this works
- name: Interface count
  shell: ls /sys/class/net | grep -v -e lo | wc | awk '{print $1}'
  register: adapter_count

# well if there ever was a point to tell the user things are FUBAR this is it.
- name: We're hosed no work interfaces
  set_fact:
    iiab_network_mode: "No_network_found"
  when: adapter_count.stdout|int == "0"

# well if there ever was a point to tell the user things are FUBAR this is it.
- name: I'm not guessing declare gateway please
  set_fact:
    iiab_network_mode: "Undetectable_use_local_vars"
    iiab_wan_iface: "none"
  when: adapter_count.stdout|int >= "5" and device_gw == "none" and gui_wan_iface == "unset" and gui_static_wan is defined

- name: Add location section to config file
  ini_file: dest='{{ iiab_config_file }}'
            section=computed_network
            option='{{ item.option }}'
            value='{{ item.value }}'
  with_items:
  - option: 'iiab_wan_enabled'
    value: '{{ iiab_wan_enabled }}'
  - option: 'user_wan_iface'
    value: '{{ user_wan_iface }}'
  - option: 'iiab_wan_iface'
    value: '{{ iiab_wan_iface }}'
  - option: 'iiab_lan_enabled'
    value: '{{ iiab_lan_enabled }}'
  - option: 'user_lan_iface'
    value: '{{ user_lan_iface }}'
  - option: 'iiab_lan_iface'
    value: '{{ iiab_lan_iface }}'
  - option: 'iiab_network_mode'
    value: '{{ iiab_network_mode }}'
  - option: 'hostapd_enabled'
    value: '{{ hostapd_enabled }}'
  - option: 'host_ssid'
    value: '{{ host_ssid }}'
  - option: 'host_wifi_mode'
    value: '{{ host_wifi_mode }}'
  - option: 'host_channel'
    value: '{{ host_channel }}'