fix: unbound interface naming

README.md

@@ -18,6 +18,7 @@ This is a good playground to learn and I encourage you to adapt these roles to y
 - Rootless Podman: Containers run as `{{ ansible_user }}` (daemonless, `sudo podman ps` shows nothing)
 - User systemd services: `systemctl --user status <service>` with lingering enabled
 - Nginx reverse proxy for web services
+- IP Freebind when available (e.g. unbound does not wait for wireguard to be up to start resolving DNS)
 
 **Available Services:**
 

inventory/host_vars/example.yml

@@ -19,6 +19,33 @@ network_interfaces:
     ipv4:
       address: "{{ podman_gw_gateway }}/10"
 
+# Unbound DNS resolver configuration
+# ----------------------------------
+# Interface IPs for binding
+unbound_interface_lan: 192.168.1.2
+unbound_interface_vpn: 192.168.20.4
+
+# unbound LAN configuration
+unbound_custom_lan_domain: "example.lan"
+unbound_custom_lan_config_path: "{{ unbound_config_base_path }}/lan.conf"
+unbound_custom_lan_records:
+  "server.example.lan":
+    v4: 192.168.1.2
+    aliases:
+      - "server"
+
+# unbound VPN configuration
+unbound_custom_vpn_config_path: "{{ unbound_config_base_path }}/vpn.conf"
+unbound_custom_vpn_records:
+  "server.example.lan":
+    v4: 192.168.20.4
+    aliases:
+      - "server"
+
+unbound_firewall_allowed_sources:
+  - { src: "192.168.1.0/24", comment: "DNS from LAN" }
+  - { src: "192.168.20.0/27", comment: "DNS from VPN" }
+
 # NTP servers configuration
 # -------------------------
 ntp_pools:

roles/unbound/defaults/main.yml

@@ -9,9 +9,14 @@ unbound_custom_vpn_config_path: "{{ unbound_config_base_path }}/vpn.conf"
 unbound_custom_lan_domain: "example.lan"
 unbound_port: 53
 unbound_apparmor_profile_path: /etc/apparmor.d/usr.sbin.unbound
+
+unbound_interface_lan: 192.168.1.1
+unbound_interface_vpn: 192.168.27.1
+
 unbound_firewall_allowed_sources:
   - { src: "192.168.1.0/24", comment: "DNS from LAN" }
   - { src: "192.168.27.0/27", comment: "DNS from VPN" }
+
 unbound_custom_lan_records:
   "example.lan":
     v4: 192.168.1.2

roles/unbound/tasks/main.yml

@@ -151,23 +151,10 @@
     - Check Unbound config syntax
     - Reload systemd and restart unbound
 
-- name: Make sure unbound starts after wg-quick@wg0
+- name: Remove WireGuard dependency from unbound (using ip-freebind instead)
-  block:
-    - name: Ensure unbound.service.d directory exists
   ansible.builtin.file:
     path: /etc/systemd/system/unbound.service.d
-        state: directory
+    state: absent
-        mode: "0755"
-    - name: Configure unbound systemd service
-      ansible.builtin.copy:
-        dest: /etc/systemd/system/unbound.service.d/override.conf
-        content: |
-          [Unit]
-          After=wg-quick@wg0.service
-          Requires=wg-quick@wg0.service
-          # Make Unbound part of network-online.target (provides DNS)
-          Before=network-online.target
-          Wants=network-online.target
   notify: Reload systemd and restart unbound
 
 - name: Enables unbound service

roles/unbound/templates/unbound.conf.j2

@@ -8,10 +8,13 @@ server:
     # listening port
     port: {{ unbound_port }}
 
-    # Define interfaces binds
+    # Allow binding to IP addresses that don't exist yet (e.g., WireGuard at boot)
-    interface: lo
+    ip-freebind: yes
-    interface: lan0
+
-    interface: wg0
+    # Define interface binds by IP address
+    interface: 127.0.0.1                      # lo
+    interface: {{ unbound_interface_lan }}    # lan0
+    interface: {{ unbound_interface_vpn }}    # wg0
 
     # Define access controls (note that ufw might be also configured)
     access-control: 0.0.0.0/0 refuse