tweaked cloud-init

modules/host/main.tf

@@ -49,15 +49,6 @@ resource "hcloud_server" "server" {
       done
     EOT
   }
-
-  provisioner "remote-exec" {
-    inline = [
-      # Disable automatic reboot (after transactional updates), and configure the reboot method as kured
-      "set -ex",
-      "rebootmgrctl set-strategy off",
-      "echo 'REBOOT_METHOD=kured' > /etc/transactional-update.conf",
-    ]
-  }
 }
 
 resource "hcloud_server_network" "server" {

modules/host/templates/userdata.yaml.tpl

@@ -17,6 +17,12 @@ 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 ~}
@@ -33,3 +39,7 @@ runcmd:
 
 # Fix hostname (during first boot)
 - hostnamectl hostname ${hostname}
+
+# Finishing automatic reboot via Kured setup
+- systemctl reload transactional-update
+- rebootmgrctl set-strategy off