add missing vars to default file

defaults/main.yml

@@ -10,5 +10,15 @@ wireguard_interface: "wg0"
 # @var:wireguard_private_key: Private key to use. If not private key is given, the role will auto-generate a new key.
 # @var:wireguard_private_key:default: $ "_unset_"
 
+# @var wireguard_dns:default: $ "_unset_"
+# @var wireguard_fwmark:default: $ "_unset_"
+# @var wireguard_mtu:default: $ "_unset_"
+# @var wireguard_table:default: $ "_unset_"
+
+wireguard_preup: []
+wireguard_postup: []
+wireguard_predown: []
+wireguard_postdown: []
+
 wireguard_peers: []
 wireguard_peers_unmanaged: []

tasks/main.yml

@@ -1,4 +1,5 @@
 ---
+- block:
     - name: Ensure dependencies are installed
       package:
         name: "{{ item }}"

templates/etc/wireguard/wg.conf.j2

@@ -17,26 +17,18 @@ MTU = {{ wireguard_mtu }}
 {% if wireguard_table is defined %}
 Table = {{ wireguard_table }}
 {% endif %}
-{% if wireguard_preup is defined %}
 {% for wg_preup in wireguard_preup %}
 PreUp = {{ wg_preup }}
 {% endfor %}
-{% endif %}
-{% if wireguard_postup is defined %}
 {% for wg_postup in wireguard_postup %}
 PostUp = {{ wg_postup }}
 {% endfor %}
-{% endif %}
-{% if wireguard_predown is defined %}
 {% for wg_predown in wireguard_predown %}
 PreDown = {{ wg_predown }}
 {% endfor %}
-{% endif %}
-{% if wireguard_postdown is defined %}
 {% for wg_postdown in wireguard_postdown %}
 PostDown = {{ wg_postdown }}
 {% endfor %}
-{% endif %}
 SaveConfig = false
 {% for host in wireguard_peers %}
 {% if host != inventory_hostname %}
@@ -44,8 +36,8 @@ SaveConfig = false
 [Peer]
 ## {{ host }}
 PublicKey = {{ hostvars[host].__wireguard_public_key }}
-{% if hostvars[host].wireguard_allowed_ips is defined %}
-AllowedIPs = {{ hostvars[host].wireguard_allowed_ips }}
+{% if hostvars[host].wireguard_allowed_ips | length > 0 %}
+AllowedIPs = {{ hostvars[host].wireguard_allowed_ips | join(",") }}
 {% else %}
 AllowedIPs = {{ hostvars[host].wireguard_address.split('/')[0] }}/32
 {% endif %}
@@ -67,8 +59,8 @@ PublicKey = {{ peer.public_key }}
 {% if peer.preshared_key is defined %}
 PresharedKey = {{ peer.preshared_key }}
 {% endif %}
-{% if peer.allowed_ips is defined %}
-AllowedIPs = {{ peer.allowed_ips }}
+{% if peer.allowed_ips | length > 0 %}
+AllowedIPs = {{ peer.allowed_ips | join(",") }}
 {% endif %}
 {% if peer.endpoint is defined %}
 Endpoint = {{ peer.endpoint }}