feat: add dns resolver/master classes

- define resolver and master dns server
- export A and PTR records from dns clients
- collect exported resources for master
- create hiera structure for acls, zones and views

site/profiles/manifests/dns/client.pp

@@ -0,0 +1,34 @@
+# profiles::dns::client
+define profiles::dns::client (
+  Integer   $ttl  = 600,
+  String    $intf = $facts['networking']['primary'],
+  String    $addr = $facts['networking']['ip'],
+  String    $fqdn = $facts['networking']['fqdn'],
+  Boolean   $forward = true,
+  Boolean   $reverse = true,
+){
+
+  if $forward {
+    @@resource_record { "${fqdn}_${intf}-a":
+      ensure => present,
+      record => $::facts['networking']['fqdn'],
+      type   => 'A',
+      data   => [$::facts['networking']['ip']],
+      ttl    => $ttl,
+      zone   => "${::facts['networking']['domain']}-master",
+      tag    => 'master-a-record',
+    }
+  }
+
+  if $reverse {
+    @@resource_record { "${fqdn}_${addr}-ptr":
+      ensure => present,
+      record => $::facts['arpa'][$intf]['addr'],
+      type   => 'PTR',
+      data   => [$fqdn],
+      ttl    => $ttl,
+      zone   => "${::facts['arpa'][$intf]['zone']}-master",
+      tag    => 'master-ptr-record',
+    }
+  }
+}