test notify knot if file(s) changes

global/overlay/etc/puppet/modules/dns/manifests/knotdns.pp

@@ -34,6 +34,19 @@ class dns::knotdns(
        ensure => installed,
     }
 
+    service { 'knot':
+       ensure  => running,
+       enable  => true,
+    }
+
+    file { '/etc/knot/conf.d/*.conf',
+       ensure  => file,
+       owner   => 'knot',
+       group   => 'knot',
+       refreshonly => true,
+       notify      => Service['knot'],
+    }
+
     exec {"Install KnotREST":
        command => "apt install -fy python3-knot-rest=$knotrestversion && touch $control_file",
        unless  => "test -f $control_file",