network:
  version: 2
  ethernets:
    id0:
      match:
        macaddress: "{{ virtualization_mac_address }}"
{% set has_static = system_cfg.network.ip is defined and system_cfg.network.ip | string | length %}
{% set dns_list = system_cfg.network.dns.servers | default([]) %}
{% set search_list = system_cfg.network.dns.search | default([]) %}
{% if has_static %}
      addresses:
        - "{{ system_cfg.network.ip }}/{{ system_cfg.network.prefix }}"
{% if system_cfg.network.gateway is defined and system_cfg.network.gateway | string | length %}
      gateway4: "{{ system_cfg.network.gateway }}"
{% endif %}
{% else %}
      dhcp4: true
{% if dns_list | length or search_list | length %}
      dhcp4-overrides:
{% if dns_list | length %}
        use-dns: false
{% endif %}
{% if search_list | length %}
        use-domains: false
{% endif %}
{% endif %}
{% endif %}
{% if dns_list or search_list %}
      nameservers:
{% if dns_list %}
        addresses:
{% for dns in dns_list %}
          - "{{ dns }}"
{% endfor %}
{% endif %}
{% if search_list %}
        search:
{% for search in search_list %}
          - "{{ search }}"
{% endfor %}
{% endif %}
{% endif %}