anchor.diff:  # playbook.yml
   - hosts: localhost
     gather_facts: no
  -  pre_tasks:
  +  tasks:
     - name: This will execute BEFORE the example_role, so it makes sense
       debug: msg="in pre_tasks list"
  -  roles:
  -  - role: example_role
  +  - include_role:
  +      name: example_role
   
   # roles/example_role/tasks/main.yml
   - debug: msg="in example_role"
  
positive.code: - name: Install etcd (for etcdctl)
    action: "{{ ansible_pkg_mgr }} name=etcd state=latest"
    register: install_result
    ----
  
negative.code: ----
  - hosts: openshift_hosts
    gather_facts: no
    tasks:
    - include_role:
        name: openshift_facts
  
    - openshift_facts:
        role: common
        hostname: host
        public_hostname: host.example.com
  