iiab/roles/network/tasks/edit_ifcfg.yml

- name: Turn off ISP nameservers
  lineinfile: state=present
              backrefs=yes
              regexp='^PEERDNS'
              line='PEERDNS="no"'
              dest={{ has_ifcfg_gw }}

- name: Turn on local nameserver
  lineinfile: state=present
              line='DNS1="127.0.0.1"'
              dest={{ has_ifcfg_gw }}

- name: Remove the UUID
  lineinfile: state=absent
              regexp='^UUID'
              dest={{ has_ifcfg_gw }}

# Leave wifi as is NAME=<AP> needs to match keyring name.
- name: Fix the NM name
  lineinfile: state=present
              backrefs=yes
              regexp='^NAME'
              line='NAME="iiab-WAN"'
              dest={{ has_ifcfg_gw }}
  when: has_wifi_gw == "none"

# testpoint - quoting and present
# note DEVICE can change what is displayed via "ip and friends"
- name: Fix the DEVICE
  lineinfile: state=present
              backrefs=yes
              regexp='^DEVICE'
              line='DEVICE="{{ iiab_wan_iface }}"'
              dest={{ has_ifcfg_gw }}
  when: iiab_wan_iface != "none" and has_wifi_gw == "none"

- name: Add marker
  lineinfile: state=present
              line="# Modified by IIAB"
              dest={{ has_ifcfg_gw }}

- name: Rename supplied gateway ifcfg file to WAN if present
  shell: mv "{{ has_ifcfg_gw }}" /etc/sysconfig/network-scripts/ifcfg-WAN
  when: has_wifi_gw == "none"

- name: Now setting ifcfg-WAN True after moving file
  set_fact:
    has_WAN: True
  when: has_wifi_gw == "none"