Enable backports

tasks/apt.yml

@@ -17,6 +17,10 @@
   file: path=/etc/apt/sources.list state=absent
   notify: apt-get update
 
+- name: apt - enable backports
+  template: dest=/etc/apt/preferences.d/low-prio-stretch src=low-prio-stretch.j2
+  notify: apt-get update
+
 - name: install basic tools
   apt: pkg="{{ item }}" cache_valid_time=3600 update_cache=yes
   with_items: "{{ common_basic_packages }}"

templates/low-prio-stretch.j2

@@ -0,0 +1,3 @@
+Package: *
+Pin: release n=stretch
+Pin-Priority: 100