Add Backup

roles/docker/tasks/configure.yml

@@ -1,6 +1,6 @@
 ---
 - name: Write script for calico/docker bridge configuration
-  template: src=create_cbr.j2 dest=/etc/network/if-up.d/create_cbr mode=u+x
+  template: src=create_cbr.j2 dest=/etc/network/if-up.d/create_cbr mode=u+x backup=yes
   when: kube_network_plugin is defined and kube_network_plugin == "calico"
 
 - name: Configure calico/docker bridge

roles/docker/tasks/install.yml

@@ -6,7 +6,7 @@
     - ca-certificates
 
 - name: Configure docker apt repository
-  template: src=docker.list.j2 dest=/etc/apt/sources.list.d/docker.list
+  template: src=docker.list.j2 dest=/etc/apt/sources.list.d/docker.list backup=yes
 
 - name: Install docker-engine
   apt: pkg={{ item }} state=present force=yes update_cache=yes

roles/docker/templates/docker.list.j2

@@ -1 +1 @@
-deb https://apt.dockerproject.org/repo debian-{{ ansible_distribution_release }} main
+deb https://apt.dockerproject.org/repo {{ansible_distribution|lower}}-{{ ansible_distribution_release}} main