---
# Optional dummy network interface used for multi-homed Perforce licensing.
# Controlled by the dummy_interface variable.
- name: "Set up the dummy interface"
  when: dummy_interface
  block:
    - name: "Add the dummy module file for reboots"
      ansible.builtin.copy:
        content: "dummy"
        dest: "/etc/modules-load.d/dummy.conf"
        owner: "root"
        group: "root"
        mode: '0644'
      when: ansible_facts["os_family"] == "RedHat"

    - name: "Add the dummy module"
      community.general.modprobe:
        name: "dummy"
        state: "present"
      when: ansible_facts["os_family"] == "RedHat"

    - name: "Set up dummy interface for perforce license (RedHat)"
      ansible.builtin.copy:
        src: "./ifcfg-dummy0"
        dest: "/etc/sysconfig/network-scripts/ifcfg-dummy0"
        owner: "root"
        group: "root"
        mode: '0644'
      when: ansible_facts["os_family"] == "RedHat"

    - name: "Check the dummy interface admin state (RedHat)"
      ansible.builtin.command: "ip link show dummy0"
      register: dummy0_link
      changed_when: false
      failed_when: false
      when: ansible_facts["os_family"] == "RedHat"

    - name: "Start the dummy interface (RedHat)"
      ansible.builtin.command: "ifup dummy0"
      # 'UP' appears in the interface flags (<...,UP,LOWER_UP>) only when it is
      # already administratively up, so only bring it up when it is not.
      when:
        - ansible_facts["os_family"] == "RedHat"
        - "'UP' not in (dummy0_link.stdout | default(''))"
      changed_when: true

    - name: "Set up dummy netdev for perforce license (Debian)"
      ansible.builtin.copy:
        src: "./10-dummy0.netdev"
        dest: "/etc/systemd/network/10-dummy0.netdev"
        owner: "root"
        group: "root"
        mode: '0644'
      when: ansible_facts["os_family"] == "Debian"

    - name: "Set up dummy network for perforce license (Debian)"
      ansible.builtin.copy:
        src: "./20-dummy0.network"
        dest: "/etc/systemd/network/20-dummy0.network"
        owner: "root"
        group: "root"
        mode: '0644'
      when: ansible_facts["os_family"] == "Debian"

    - name: "Restart systemd-networkd"
      ansible.builtin.systemd:
        name: "{{ item }}"
        state: restarted
      loop:
        - systemd-networkd
        - systemd-resolved
      when: ansible_facts["os_family"] == "Debian"

    - name: "Pause to give DNS a chance to recover"
      ansible.builtin.pause:
        seconds: 15