infrastructure/ansible/roles/network/templates/wireguard.conf.j2

[Interface]
Address = {{ vpn_ip }}
PostUp = wg set %i private-key <(cat /etc/wireguard/privkey)
ListenPort = 51820

{% for selected_host in groups['cluster_nodes']|difference([inventory_hostname]) %}
[Peer]
PublicKey = {{ hostvars[selected_host].wireguard_pubkey.stdout }}
Endpoint = {{ hostvars[selected_host].public_ip }}:{{ hostvars[selected_host].public_vpn_port }}
AllowedIPs = {{ hostvars[selected_host].vpn_ip }}/32
PersistentKeepalive = 25
{% endfor %}

{% for host in other_vpn_nodes %}
[Peer]
PublicKey = {{ host.pubkey }}
Endpoint = {{ host.public_ip }}:{{ host.public_vpn_port }}
AllowedIPs = {{ host.vpn_ip }}/32
PersistentKeepalive = 25
{% endfor %}