fix interface config for initramfs

hetzner/autoinstall/defaults/main.yml

@@ -2,3 +2,5 @@ autoinstall_image: /root/images/Debian-1105-bullseye-amd64-base.tar.gz
 autoinstall_disk_encryption_secret: secret
 autoinstall_authorized_keys_src: .ssh/id_rsa.pub
 autoinstall_hostname: "{{ inventory_hostname }}"
+autoinstall_initramfs_override_interface: true
+autoinstall_initramfs_interface: ens3

hetzner/autoinstall/tasks/main.yml

@@ -7,7 +7,7 @@
       dest: "{{ autoinstall_setup_conf_dest }}"
   
   - name: copy post install script
-    copy:
+    template:
       src: post-install.sh
       dest: "{{ autoinstall_post_install_dest }}"
       owner: root

hetzner/autoinstall/templates/post-install.sh

@@ -41,6 +41,11 @@ add_rfc3442_hook
 mkdir -p /etc/dropbear-initramfs
 cp -a /root/.ssh/authorized_keys /etc/dropbear-initramfs/authorized_keys
 
+# override initramfs interface which is used for dhcp
+{% if autoinstall_initramfs_override_interface %}
+echo "DEVICE={{ autoinstall_initramfs_interface }}" >> /etc/initramfs-tools/initramfs.conf
+{% endif %}
+
 # Update system
 apt-get update >/dev/null
 apt-get -y install cryptsetup-initramfs dropbear-initramfs