title: Passing an array with facter
body: <p>Let us say I have an array of values</p>
  
  <pre><code>["node1.example.org", "node2.example.org"]
  </code></pre>
  
  <p>And I want to pass this using facter, and use it in puppet at such:</p>
  
  <pre><code>host {
    $nodes:
       ...
  }
  </code></pre>
  
  <p>How can I do this?</p>