Add support for zone notification options

manifests/zone.pp

@@ -5,6 +5,9 @@ define bind::zone (
 	$allow_updates   = [],
 	$allow_transfers = [],
 	$dnssec          = false,
+	$notify_ns       = true,
+	$also_notify     = [],
+	$allow_notify    = [],
 ) {
 	$cachedir = $bind::cachedir
 

templates/zone.conf.erb

@@ -31,5 +31,20 @@ zone "<%= _domain %>" {
 		<%= allow_transfer %>;
 <%- end -%>
 	};
+<%- end -%>
+	notify <%= ns_notify ? 'yes' : 'no' %>;
+<%- if not also_notify.empty? -%>
+	also-notify {
+<%-   also_notify.each do |server| -%>
+		<%= server %>;
+<%-   end -%>
+	};
+<%- end -%>
+<%- if not allow_notify.empty? -%>
+	allow-notify {
+<%-   allow_notify.each do |server| -%>
+		<%= server %>;
+<%-   end -%>
+	};
 <%- end -%>
 };