- tags:
    - lxc-host
    - lxc-host-network
  become: yes
  vars:
    file_prefix: "/etc/systemd/network/{{ lxc_host__networkd_number }}-lxc-host"
    br_if: "{{ lxc_host__br_if }}"
    internal_if: "{{ host_database[ansible_hostname].interfaces[lxc_host__internal_if] }}"
  block:
    - debug: var=br_if
    - debug: var=internal_if

    - name: Configure sysctl, enable ipv4 and ipv6 forwarding
      sysctl:
        name: "{{ item }}"
        value: 1
      with_items:
        - net.ipv4.ip_forward
        - net.ipv6.conf.all.forwarding

    - name: enable systemd-networkd
      service:
        name: systemd-networkd
        enabled: yes
        state: started

#    - name: "/etc/systemd/network/50-0-lxc-host-{{ lxc_host__hardware_if }}.network"
#      notify: systemctl restart systemd-networkd
#      copy:
#        dest: "/etc/systemd/network/50-0-lxc-host-{{ lxc_host__hardware_if }}.network"
#        content: |
#          [Match]
#          Name={{ lxc_host__hardware_if }}
#
#          [Network]
#          Address={{ hardware_if.ipv4.address }}/{{ hardware_if.ipv4.netmask }}
#          Gateway={{ hardware_if.ipv4.gateway }}

    - name: "{{ file_prefix }}-1-{{ lxc_host__internal_if }}.netdev"
      notify: systemctl restart systemd-networkd
      copy:
        dest: "{{ file_prefix }}-1-{{ lxc_host__internal_if }}.netdev"
        content: |
          [NetDev]
          Name={{ lxc_host__internal_if }}
          Kind=dummy

    - name: "{{ file_prefix }}-2-{{ lxc_host__internal_if }}.network"
      notify: systemctl restart systemd-networkd
      copy:
        dest: "{{ file_prefix }}-2-{{ lxc_host__internal_if }}.network"
        content: |
          [Match]
          Name={{ lxc_host__internal_if }}

          [Network]
          Bridge={{ br_if }}

    - name: "{{ file_prefix }}-3-{{ br_if }}.netdev"
      notify: systemctl restart systemd-networkd
      copy:
        dest: "{{ file_prefix }}-3-{{ br_if }}.netdev"
        content: |
          [NetDev]
          Name={{ br_if }}
          Kind=bridge

    - name: "{{ file_prefix }}-4-{{ br_if }}.network"
      notify: systemctl restart systemd-networkd
      copy:
        dest: "{{ file_prefix }}-4-{{ br_if }}.network"
        content: |
          [Match]
          Name={{ br_if }}

          [Network]
          {% if internal_if.ipv4 is defined %}
          Address={{ internal_if.ipv4.address }}/{{ internal_if.ipv4.netmask }}
          {% endif %}
          {% if internal_if.ipv6 is defined %}
          Address={{ internal_if.ipv6.address }}/{{ internal_if.ipv6.netmask }}
          {% endif %}