New bridged_network option

tasks/pkg_Alpine.yml

@@ -51,6 +51,15 @@
   tags:
     - pkg
 
+- name: install bridge (alpine)
+  apk:
+    name:
+      - bridge
+    state: present
+  when: bridged_network is defined
+  tags:
+    - pkg
+
 - name: install ssmtp (alpine)
   apk:
     name:

templates/networking.j2

@@ -7,15 +7,23 @@ iface lo inet loopback
 
 # The main interface
 auto eth0
+{% if bridged_network is defined and bridged_network %}
+auto br0
+iface br0
+    requires eth0
+    bridge-ports eth0
+    bridge-fd 0
+    bridge-stp off
+{% else %}
+iface eth0
+{% endif %}
 {% if wanted_ip4 is defined %}
-iface eth0 inet static
     address {{ wanted_ip4 }}/24
     gateway {{ local_network.gateway }}
 {% else %}
-iface eth0 inet dhcp
+    use dhcp
 {% endif %}
 {% if wanted_ip6 is defined %}
-iface eth0 inet6 static
 {% if local_network.gateway6 is defined %}
     address {{ wanted_ip6 }}/64
     gateway {{ local_network.gateway6 }}