---
- name: Install iproute2
  become: true
  ansible.builtin.apt:
    name: iproute2
    state: present
    update_cache: true

- name: Create dummy interface
  become: true
  ansible.builtin.command:
    cmd: "ip link add {{ swarm_dummy_interface }} type dummy"
  register: dummy_create
  failed_when:
    - dummy_create.rc != 0
    - "'File exists' not in dummy_create.stderr"
  changed_when: dummy_create.rc == 0

- name: Configure dummy interface address
  become: true
  ansible.builtin.command:
    cmd: >-
      ip address replace {{ swarm_dummy_address }}
      dev {{ swarm_dummy_interface }}

- name: Enable dummy interface
  become: true
  ansible.builtin.command:
    cmd: "ip link set {{ swarm_dummy_interface }} up"

- name: Configure persistent dummy interface
  become: true
  ansible.builtin.copy:
    dest: /etc/systemd/network/10-{{ swarm_dummy_interface }}.netdev
    mode: "0644"
    content: |
      [NetDev]
      Name={{ swarm_dummy_interface }}
      Kind=dummy

- name: Configure persistent dummy address
  become: true
  ansible.builtin.copy:
    dest: /etc/systemd/network/10-{{ swarm_dummy_interface }}.network
    mode: "0644"
    content: |
      [Match]
      Name={{ swarm_dummy_interface }}

      [Network]
      Address={{ swarm_dummy_address }}
  notify: Restart systemd-networkd

- name: Restart systemd-networkd
  become: true
  ansible.builtin.systemd:
    name: systemd-networkd
    state: restarted
    enabled: true