ansible-role-wireguard/templates/wg.conf.j2

#jinja2: lstrip_blocks:"True",trim_blocks:"True"
[Interface]
Address = {{hostvars[inventory_hostname].wireguard_address}}
PrivateKey = {{private_key}}
ListenPort = {{wireguard_port}}
{% if hostvars[inventory_hostname].wireguard_dns is defined %}
DNS = {{hostvars[inventory_hostname].wireguard_dns}}
{% endif %}
{% if hostvars[inventory_hostname].wireguard_postup is defined %}
PostUp = {{hostvars[inventory_hostname].wireguard_postup}}
{% endif %}
{% if hostvars[inventory_hostname].wireguard_postdown is defined %}
PostDown = {{hostvars[inventory_hostname].wireguard_postdown}}
{% endif %}
{% if hostvars[inventory_hostname].wireguard_save_config is defined %}
SaveConfig = true
{% endif %}

{% for host in ansible_play_hosts %}
  {% if host != inventory_hostname %}
    [Peer]
    PublicKey = {{hostvars[host].public_key}}
    {% if hostvars[host].wireguard_allowed_ips is defined %}
    AllowedIPs = {{hostvars[host].wireguard_allowed_ips}}
    {% else %}
    AllowedIPs = {{hostvars[host].wireguard_ip}}/32
    {% endif %}
    {% if hostvars[host].wireguard_persistent_keepalive is defined %}
    PersistentKeepalive = {{hostvars[host].wireguard_persistent_keepalive}}
    {% endif %}
    {% if hostvars[host].wireguard_port is defined and hostvars[host].wireguard_port is number %}
      {% if hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
    Endpoint = {{hostvars[host].wireguard_endpoint}}:{{hostvars[host].wireguard_port}}
      {% else %}
    Endpoint = {{host}}:{{hostvars[host].wireguard_port}}
      {% endif %}
    {% elif hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
    Endpoint = {{hostvars[host].wireguard_endpoint}}:{{wireguard_port}}
    {% else %}
    Endpoint = {{host}}:51820
    {% endif %}
  {% endif %}
{% endfor %}