Simplify to a single network interface template

roles/base/tasks/network.yml

@@ -8,13 +8,12 @@
 
 - name: Install network interfaces
   template:
-    src: "{{ network_type }}-interface.cfg"
+    src: "interface.j2"
     dest: "/etc/network/interfaces.d/{{ item.name }}"
-  notify: reboot_host
   loop: "{{ interfaces }}"
+  notify: reboot_host
 
 - name: Install bridge utilities
   apt:
     name: bridge-utils
     state: present
-  when: network_type == "bridged"

roles/base/templates/bridged-interface.cfg

@@ -1,10 +0,0 @@
-# {{ ansible_managed }}
-
-# The primary network interface
-auto br1
-iface br1 inet static
-   address {{ ip_addr }}
-   gateway {{ ip_gateway }}
-   bridge_ports {{ ip_inter }}
-   bridge_stp on
-   ethernet-wol g

roles/base/templates/interface.j2

@@ -0,0 +1,16 @@
+# {{ ansible_managed }}
+
+{% if item.bridge is defined %}
+auto br1
+iface br1 inet static
+{% else %}
+auto {{ item.name }}
+iface {{ item.name }} inet static
+{% endif %}
+   address {{ item.address }}
+{% if item.gateway is defined %}
+   gateway {{ item.gateway }}
+{% endif %}
+{% if item.bridge is defined %}
+   bridge_ports {{ item.name }}
+{% endif %}

roles/base/templates/static-interface.cfg

@@ -1,7 +0,0 @@
-# {{ ansible_managed }}
-
-# The primary network interface
-auto {{ item.name }}
-iface {{ item.name }} inet static
-   address {{ item.address }}
-   gateway {{ item.gateway }}