first test adding microk8s checks for thruk

global/overlay/etc/puppet/cosmos-rules.yaml

@@ -55,6 +55,7 @@
     loki_tag: latest
     grafana_tag: latest
     receive_otel: true
+    rut::controller_checks:
     resolvers:
       - 89.46.20.75
       - 89.46.21.29

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

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