Netplan to NMCLI

render.yml

{%- set ns = namespace(
     ethernets=network_ethernets,
     vlans={},
     bridges={},
     bonds={},
     ip={}
    )
-%}
{%- for bond_name, bond_config in network_bonds.items() -%}
  {%- for interface in bond_config.interfaces -%}
    {%- set ns.ethernets = 
          ns.ethernets 
            | combine(
                {
                  interface: ns.ethernets[interface] | combine(
                    {
                      'controller': bond_name,
                      'type': 'ethernet',
                      'interface_name': interface,
                      'name': interface,
                      'state': 'up',
                      'port_type': 'bond'
                    }
                  )}) -%}
    
  {%- endfor -%}
{%- endfor -%}
{%- for bridge_name, bridge_config in network_bridges.items() -%}
    {%- set ns.ip = {'dhcp4': 'no', 'auto6': 'no'} -%}
    {%- if bridge_config.addresses | default(False) -%}
      {%- set ns.ip = ns.ip | combine({'address': bridge_config.addresses | first}) -%}
    {%- endif -%}
    {%- if bridge_config.gateway4 | default(False) -%}
      {%- set ns.ip = ns.ip | combine({'auto_gateway': 'yes', 'gateway4': bridge_config.addresses | first}) -%}
    {%- endif -%}
    {%- if bridge_config.nameservers | default(False) -%}
      {%- set ns.ip = ns.ip | combine({'dns': bridge_config.nameservers.addresses, 'dns_search': bridge_config.nameservers.search}) -%}
    {%- endif -%}
    {%- set ns.bridges = 
          ns.bridges
            | combine(
                {
                  bridge_name:
                    {
                      'type': 'ethernet',
                      'interface_name': bridge_name,
                      'name': bridge_name,
                      'state': 'up',
                      'port_type': 'bridge',
                      'mtu': bridge_config.mtu | default(1500),
                      'ip': ns.ip
                    }
                  }) -%}
{%- endfor -%}
{{ ns.ethernets.values() | list | to_nice_yaml }}
{{ ns.bridges.values() | list | to_nice_yaml }}

vars.yml

netplan_configuration:
  network:
    ethernets:
      eth0:
        mtu: 1500
      eth1:
        mtu: 1500
    bonds:
      bond0:
        interfaces:
          - eth0
          - eth1
        mtu: 1500
        parameters:
          down-delay: 0
          lacp-rate: fast
          mii-monitor-interval: 100
          mode: 802.3ad
          transmit-hash-policy: layer3+4
          up-delay: 0
    bridges:
      br0:
        addresses:
          - 10.0.10.100/24
        gateway4: 10.0.10.1
        interfaces:
          - bond0
        mtu: 1500
        nameservers:
          addresses:
            - 10.0.10.1
          search:
            - home.prettybaked.com
        parameters:
          forward-delay: 0
          stp: true
      br10:
        interfaces:
          - bond0.10
        mtu: 1500
        parameters:
          forward-delay: 0
          stp: true
      br11:
        interfaces:
          - bond0.11
        mtu: 1500
        parameters:
          forward-delay: 0
          stp: true
      br12:
        interfaces:
          - bond0.12
        mtu: 1500
        parameters:
          forward-delay: 0
          stp: true
      br20:
        interfaces:
          - bond0.20
        mtu: 1500
        parameters:
          forward-delay: 0
          stp: true
      br30:
        interfaces:
          - bond0.30
        mtu: 1500
        parameters:
          forward-delay: 0
          stp: true
    vlans:
      bond0.10:
        id: 10
        link: bond0
        mtu: 1500
      bond0.11:
        id: 11
        link: bond0
        mtu: 1500
      bond0.12:
        id: 12
        link: bond0
        mtu: 1500
      bond0.20:
        id: 20
        link: bond0
        mtu: 1500
      bond0.30:
        id: 30
        link: bond0
        mtu: 1500

network_ethernets: '{{ netplan_configuration.network.ethernets }}'
network_bridges: '{{ netplan_configuration.network.bridges }}'
network_bonds: '{{ netplan_configuration.network.bonds }}'
network_vlans: '{{ netplan_configuration.network.vlans }}'