gistfile1.txt

# A Records:
dns::record::a {
    "dns":
		zone => "local.officecloud.dk",
		data => ["192.168.1.10"];
	"web":
		zone => "local.officecloud.dk",
		data => ["192.168.1.20"];
	"db":
		zone => "local.officecloud.dk",
		data => ["192.168.1.25"];
	"es":
		zone => "local.officecloud.dk",
		data => ["192.168.1.26"];
	"proxy":
		zone => "local.officecloud.dk",
		data => ["192.168.1.30"];
}

# error
$x = loadyaml('/tmp/config/sites.yaml')
dns::record::a {
	$x
}

gistfile2.txt

define dns::record::a (
  $zone,
  $data,
  $ttl = '',
  $ptr = false,
  $host = $name ) {

  $alias = "${host},A,${zone}"

  dns::record { $alias:
    zone => $zone,
    host => $host,
    ttl  => $ttl,
    data => $data
  }

  if $ptr {
    $ip = inline_template('<%= data.kind_of?(Array) ? data.first : data %>')
    $reverse_zone = inline_template('<%= ip.split(".")[0..-2].reverse.join(".") %>.IN-ADDR.ARPA')
    $octet = inline_template('<%= ip.split(".")[-1] %>')

    dns::record::ptr { $octet:
      zone => $reverse_zone,
      data => "${host}.${zone}"
    }
  }
}

sites.yaml

---
demo:
  zone: "local.officecloud.dk"
  data: ["192.168.1.10"]