title: ansible: include role in a role?
body: <p>Is it possible to reuse a role in a role? I do not mean via defining a dependency in the meta/main.yml file of a role but by <strong>including</strong> the role in the tasks/main.yml of another role directly?</p>
  <p>For example, I define a couple of basic roles in rolebooks and some more high level roles in roles.
  I want the high level roles to include some of the basic roles in addition to some specific tasks.</p>
  <pre><code>playbooks/
  
    rolebooks/
      some_role/
        
    roles/
      webtier/
        tasks/
          main.yml
  </code></pre>
  <p>In playbooks/roles/webtier/tasks/main.yml:</p>
  <pre class="lang-yaml prettyprint-override"><code>    - shell: echo 'hello'
      - { role: rolebooks/some_role }
      - shell: echo 'still busy'
  </code></pre>
  <p>Thanks</p>