- name: Checking for ifcfg-WAN file - Can Fail
  stat: path=/etc/sysconfig/network-scripts/ifcfg-WAN
  when: not first_run
  register: has_ifcfg_WAN
  ignore_errors: True

- name: Setting ifcfg-WAN True
  set_fact:
    has_WAN: True
  when: not first_run and has_ifcfg_WAN.stat.exists

# DETECT -- gateway and wireless - Can Fail
- name: Get a list of slaves from previous config - Can Fail
  shell: "egrep -rn BRIDGE=br0 /etc/sysconfig/network-scripts/ifcfg-* | gawk -F'[-:]' '{print $3}'"
  when: not first_run
  register: ifcfg_slaves
  ignore_errors: True
  changed_when: False

# returns list of paths
- name: Find gateway config based on device - Can Fail
  shell: "egrep -rn {{ device_gw }} /etc/sysconfig/network-scripts/ifcfg* | gawk -F ':' '{print $1}'"
  when: not first_run and device_gw != "none"
  register: ifcfg_gw_device
  ignore_errors: True
  changed_when: False

# last match wins
- name: Setting has ifcfg gw based on device if found
  set_fact:
    has_ifcfg_gw: "{{ item|trim }}"
  when: ifcfg_gw_device.stdout_lines is defined and item|trim != "" and item|trim != "/etc/sysconfig/network-scripts/ifcfg-LAN"
  with_items:
      - "{{ ifcfg_gw_device.stdout_lines }}"
  ignore_errors: True

# returns path
- name: Find active gateway config based on macaddress - Can Fail
  shell: "egrep -irn {{ ansible_default_ipv4.macaddress }} /etc/sysconfig/network-scripts/ifcfg* | gawk -F ':' '{print $1}' | head -n 1"
  when: ansible_default_ipv4.gateway is defined
  register: ifcfg_gw_mac
  ignore_errors: True
  changed_when: False

- name: Set has ifcfg gw based on macaddress if found
  set_fact:
    has_ifcfg_gw: "{{ ifcfg_gw_mac.stdout|trim }}"
  when: ifcfg_gw_mac is defined and ifcfg_gw_mac.changed and ifcfg_gw_mac.stdout != ""

# could use something else - Can Fail
- name: Find WiFi gateway config if present - Can Fail
  shell: egrep -rn ESSID /etc/sysconfig/network-scripts/ifcfg* | gawk -F ':' '{print $1}' | gawk -F '/' '{print $5}'
  register: ifcfg_WAN_wifi
  ignore_errors: True

#returns file name
- name: Setting has_wifi_gw based on ESSID if found - Can Fail
  set_fact:
    has_wifi_gw: "{{ item|trim }}"
  when: ifcfg_WAN_wifi.changed and item|trim != ""
  with_items:
      - "{{ ifcfg_WAN_wifi.stdout_lines }}"

- name: Finding device for WiFi AP gateway - Can Fail
  shell: egrep -rn DEVICE /etc/sysconfig/network-scripts/{{ has_wifi_gw }} |  gawk -F '=' '{print $2}'
  when: has_wifi_gw != "none" and has_ifcfg_gw != "none"
  register: AP_device
  ignore_errors: True

- name: Setting WiFi device
  set_fact:
    ap_device: "{{ AP_device.stdout }}"
  when: AP_device.stdout is defined and AP_device.stdout != ""

#unused
#- name: Get a list of ifcfg files to delete - Can Fail
#  shell: "ls -1 /etc/sysconfig/network-scripts/ifcfg-* | grep -v -e ifcfg-lo  -e ifcfg-WAN -e {{ has_wifi_gw }}"
#  register: ifcfg_files
#  changed_when: False
#  ignore_errors: True
#  when: num_lan_interfaces >= "1" or iiab_wireless_lan_iface != "none"