trying the reboot-sentinel route

kustomize/kured.yaml

@@ -18,3 +18,4 @@ spec:
           command:
             - /usr/bin/kured
             - --reboot-command=/usr/bin/systemctl reboot
+            - --reboot-sentinel=/var/run/reboot-needed

modules/host/templates/userdata.yaml.tpl

@@ -17,12 +17,6 @@ write_files:
     AuthorizedKeysFile .ssh/authorized_keys
   path: /etc/ssh/sshd_config.d/kube-hetzner.conf
 
-# Setting the right reboot mode
-- content: | 
-    REBOOT_METHOD=kured
-  path: /etc/transactional-update.conf
-  append: true
-
 # Add ssh authorized keys
 ssh_authorized_keys:
 %{ for key in sshAuthorizedKeys ~}
@@ -40,6 +34,5 @@ runcmd:
 # Fix hostname (during first boot)
 - hostnamectl hostname ${hostname}
 
-# Finishing automatic reboot via Kured setup
-- systemctl reload transactional-update
+# We are going to let kured do the reboot
 - rebootmgrctl set-strategy off