homeserver-ansible/roles/networking/connection/tasks/main.yml

- name: Install packages
  community.general.pacman:
    name:
      - networkmanager

- name: Enable NetworkManager
  service:
    name: NetworkManager
    enabled: yes
    state: started

- name: Send script to remove externally managed eth0 connection
  template:
    src: rmconn.sh
    dest: /root/rmconn.sh
    mode: 700
  register: rmconn

- name: Run rmconn every 30 minutes
  cron:
    name: "Ensure eth0 is not externally managed"
    minute: "*/30"
    job: "/root/rmconn.sh"
    state: present

- name: Run rmconn every minute (temporarily)
  cron:
    name: "Ensure eth0 is not externally managed (temporary)"
    minute: "*"
    job: "/root/rmconn.sh"
    state: present
  when: rmconn.changed

- name: Run rmconn at boot
  cron:
    name: "Ensure eth0 is not externally managed (at reboot)"
    special_time: reboot
    job: "/root/rmconn.sh"
    state: present

- name: Create NetworkManager connection
  community.general.nmcli:
    dns4: "{{ local_ip }}"
    dns4_ignore_auto: yes
    ip4: "{{ local_ip }}{{ subnet_prefix }}"
    gw4: "{{ gateway }}"
    method4: manual
    state: present
    conn_name: wired
    ifname: "{{ interface }}"
    type: ethernet
  register: nmcli_conf
  changed_when: false
  poll: 0
  async: 1000

- name: Set ansible_host to static IP
  set_fact:
    ansible_host: "{{ local_ip }}"

- name: Reconnect to new IP
  wait_for_connection:
    timeout: 240

  when: nmcli_conf.changed

- name: Remove rmconn task at every minute
  cron:
    name: "Ensure eth0 is not externally managed (temporary)"
    state: absent