PDB class node inventory

class_node_inventory.pp

function myorg::pdb::class_node_inventory (
  Pattern['\A[A-Za-z][A-Za-z0-9]*(::[A-Za-z][A-Za-z0-9]*)*\Z'] $classname,
  Optional[String[1]] $env = undef,
) {
  $query_template = @(EOT)
  <%- | String $classname,
        Optional[String] $env,
      | -%>
      inventory {
        <%- if $env { -%>
        facts.environment = "<%= $env %>" and
        <%- } -%>
        certname in resources [certname] {
          type = "Class" and
          title = "<%= $classname %>"
        } and
        certname in nodes [certname] {
          deactivated is null and
          expired is null
        }
      }
      |- EOT

  $formatted_classname = $classname.split('::').capitalize().join('::')

  $query = $query_template.inline_epp({
    classname => $formatted_classname,
    env       => $env,
  })

  $results = puppetdb_query($query)
}