Manage interfaces and update dependency check

Setup bridge networking, install useful packages and fix Ansible
dependency check.

roles/ansible/tasks/main.yml

@@ -1,7 +1,7 @@
 - name: 'Install Ansible dependency: python3-apt'
   shell: 'apt-get update && apt-get install python3-apt -y'
   args:
-    creates: /usr/lib/python2.7/dist-packages/apt
+    creates: /usr/lib/python3/dist-packages/apt
     warn: false
 
 - name: 'Install Ansible dependency: aptitude'

roles/base/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: Reboot host
+  reboot:
+    msg: "Reboot initiated by Ansible"
+    connect_timeout: 5
+  listen: reboot_host

roles/base/tasks/main.yml

@@ -0,0 +1,15 @@
+- name: Install useful software
+  apt:
+    name: ["vim", "wget"]
+    state: present
+
+- name: Install network interfaces
+  template:
+    src: bridged-interface.cfg
+    dest: /etc/network/interfaces
+  notify: reboot_host
+
+- name: Install bridge utilities
+  apt:
+    name: bridge-utils
+    state: present

roles/base/templates/bridged-interface.cfg

@@ -0,0 +1,14 @@
+# {{ ansible_managed }}
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# 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