DCD-880: Variablify create_backups tasks

roles/create_backups/molecule/default/molecule.yml

@@ -8,12 +8,8 @@ lint:
 platforms:
   - name: amazon_linux2
     image: amazonlinux:2
-    groups:
-      - aws_node_local
   - name: ubuntu_lts
     image: ubuntu:bionic
-    groups:
-      - aws_node_local
 provisioner:
   name: ansible
   lint:

roles/create_backups/molecule/default/playbook.yml

@@ -2,5 +2,10 @@
 - name: Converge
   hosts: all
   tasks:
+    # Role default vars must be included because we aren't running the whole role, just a subset of tasks
+    - name: Include role vars
+      include_vars:
+        file: ../../defaults/main.yml
+
     - name: Install distro-specific backup support packages
       include_tasks: "../../tasks/{{ ansible_distribution|lower }}.yml"