tweaked userdata

modules/host/main.tf

@@ -75,16 +75,4 @@ data "template_cloudinit_config" "config" {
       }
     )
   }
-
-  # Initialization script (runs at every reboot)
-  part {
-    content_type = "text/cloud-boothook"
-    filename     = "boothook.sh"
-    content = templatefile(
-      "${path.module}/templates/boothook.sh.tpl",
-      {
-        hostname = var.name
-      }
-    )
-  }
 }

modules/host/templates/boothook.sh.tpl

@@ -1,5 +0,0 @@
-#!/bin/sh
-#cloud-boothook
-
-# Fix hostname after reboot
-hostnamectl hostname "${hostname}"

modules/host/templates/userdata.yaml.tpl

@@ -1,14 +1,14 @@
 #cloud-config
-write_files:
 
-# Configure private network
-- content: |
+write_files:
+  # Configure private network
+  - content: |
       BOOTPROTO='dhcp'
       STARTMODE='auto'
     path: /etc/sysconfig/network/ifcfg-eth1
 
-# Disable ssh password authentication
-- content: |
+  # Disable ssh password authentication
+  - content: |
       PasswordAuthentication no
       X11Forwarding no
       MaxAuthTries 2
@@ -17,16 +17,22 @@ write_files:
       AuthorizedKeysFile .ssh/authorized_keys
     path: /etc/ssh/sshd_config.d/kube-hetzner.conf
 
-# Setting the right reboot mode
-- content: | 
+  # Setting the right reboot mode
+  - content: | 
       REBOOT_METHOD=rebootmgr
     path: /etc/transactional-update.conf
 
-# Add ssh authorized keys
-ssh_authorized_keys:
-%{ for key in sshAuthorizedKeys ~}
+  # Add ssh authorized keys
+  ssh_authorized_keys:
+  %{ for key in sshAuthorizedKeys ~}
     - ${key}
-%{ endfor ~}
+  %{ endfor ~}
+
+# Making sure the hostname is set correctly
+manage_etc_hosts: "localhost"
+preserve_hostname: true
+prefer_fqdn_over_hostname: false
+hostname: ${hostname}
 
 runcmd:
   # Activate the private network
@@ -35,9 +41,11 @@ runcmd:
   # Activate ssh configuration
   - systemctl reload sshd
 
-  # Fix hostname (during first boot)
-  - hostnamectl hostname ${hostname}
-
   # Finishing automatic reboot via Kured setup
   - rebootmgrctl set-strategy off
 
+  # Reduce the default number of snapshots from 2-10 number limit, to 4
+  # And from 4-10 number limit important, to 2
+  - snapper -c root set-config "NUMBER_LIMIT=4"
+  - snapper -c root set-config "NUMBER_LIMIT_IMPORTANT=2"
+