first test adding microk8s checks for thruk

global/overlay/etc/puppet/modules/rut/manifests/controller_checks.pp

@@ -1,7 +1,8 @@
 # Everything is awesome!
 class rut::controller_checks {
     nagioscfg::service {'check_rut_pods':
-    hostgroup_name => ['internal-sto4-prod-k8sc-0.rut.sunet.se'],
+    host_name      => ['internal-sto4-prod-k8sc-0.rut.sunet.se'],
     check_command  => 'check_nrpe!check_rut_pods',
     description    => 'Microk8s cluster health',
     }
+}