ansible-role-network_interfaces/templates/network-interface-debian.j2

{{ ansible_managed | comment }}
{% set netif = item %}

### netif {{netif}}
{% set dev = netifs[netif].device | default( 'enx' + netifs[netif].mac | regex_replace(':') ) %}
#auto {{dev}}
allow-hotplug {{dev}}

{% if netifs[netif].type == "virt_ptp" %}
# virt_pointopoint -> {{virt_host}} {{netifs[netif].virt_host_netif}}

# ipv4
{% for ip in netifs[netif] | json_query("ips[].ip") | ipv4("address") %}
iface {{ dev }} inet static
      address {{ ip }}
      netmask 32
{% if loop.index == 1 %}
{% set gateway4 = hostvars[virt_host].netifs[netifs[netif].virt_host_netif] | json_query("ips[].ip") | ipv4("address") | first %}
      pointopoint {{ gateway4 }}
      gateway {{ gateway4 }}
{% endif %}
{% endfor %}

# ipv6
{% for ip in netifs[netif] | json_query("ips[].ip") | ipv6("address") %}
iface {{ dev }} inet6 static
      address {{ ip }}
      netmask 128
{% if loop.index == 1 %}
      gateway {{ hostvars[virt_host].netifs[netifs[netif].virt_host_netif].ll6 }}
{% endif %}
{% endfor %}

{% else %}

{% if netifs[netif].type == "bridge" %}
# bridge
iface {{ dev }} inet manual
{% if netifs[netif].devices is defined %}
      bridge_ports {{ netifs[netif].devices | join(" ") }}
{% else %}
      bridge_ports none
{% endif %}
{% endif %}

{% for ip in netifs[netif].ips %}
{% if ip.ip | ipv6 %}
# ipv6 {{ip.ip}}
iface {{ dev }} inet6 static
      address   {{ ip.ip | ipv6('address') }}
      netmask   {{ ip.ip | ipv6('prefix') }}
{% endif %}
{% if ip.ip | ipv4 %}
# ipv4 {{ip.ip}}
iface {{ dev }} inet static
      address   {{ ip.ip | ipv4('address') }}
      network   {{ ip.ip | ipv4('network') }}
      netmask   {{ ip.ip | ipv4('prefix') }}
      broadcast {{ ip.ip | ipv4('broadcast') }}
{% if loop.index == 1 and netifs[netif].routes is defined %}
{% set default_route = netifs[netif].routes | json_query("[?to=='default']") | first %}
      gateway {{default_route.via}}
{% endif %}
{% endif %}
{% endfor %}

{% endif %}

# dns resolvers
iface {{ dev }} inet manual
{% if netifs[netif].dns_resolvers is defined %}
      dns-nameservers {{ netifs[netif].dns_resolvers | join(" ") }}
{% endif %}
{% if netifs[netif].dns_search is defined%}
      dns-search {{ netifs[netif].dns_search | join(" ") }}
{% endif %}