ansible/roles/network/templates/systemd-network.j2

# {{ ansible_managed }}

{% if item is defined %}
{% if item.name is defined %}
[Match]
Name={{ item.name }}
{% endif %}
{% if item.address is defined %}
[Network]
{% for addr in item.address %}
Address={{ addr }}
{% endfor %}
{% endif %}
{% if item.gateway4 is defined %}
Gateway={{ item.gateway4 }}
{% endif %}
{% if item.gateway6 is defined %}
Gateway={{ item.gateway6 }}
{% endif %}
{% else %}
{# Default network configuration #}
{% if ansible_default_ipv4.interface is defined %}
[Match]
Name={{ ansible_default_ipv4.interface }}
{% if ansible_default_ipv4.address is defined or ansible_default_ipv6.address is defined %}
[Network]
{% if ansible_default_ipv4.address is defined %}
Address={{ ansible_default_ipv4.address }}/{{ (ansible_default_ipv4.network + "/" + ansible_default_ipv4.netmask) | ipaddr('prefix') }}
{% endif %}
{% if ansible_default_ipv6.address is defined %}
Address={{ ansible_default_ipv6.address }}/{{ ansible_default_ipv6.prefix }}
{% endif %}
{% if ansible_default_ipv4.gateway is defined %}
Gateway={{ ansible_default_ipv4.gateway }}
{% endif %}
{% if ansible_default_ipv6.gateway is defined %}
Gateway={{ ansible_default_ipv6.gateway }}
{% endif %}
{% endif %}
{% endif %}
{% endif %}