4 files changed, 84 insertions, 0 deletions
diff --git a/roles/installer/ubuntu/usb/defaults/main.yml b/roles/installer/ubuntu/usb/defaults/main.yml
new file mode 100644
index 00000000..8afdb9f0
--- /dev/null
+++ b/roles/installer/ubuntu/usb/defaults/main.yml
@@ -0,0 +1,3 @@
+---
+### path to the unmounted usb drive (/dev/...)
+# installer_ubuntu_usb_devicepath
diff --git a/roles/installer/ubuntu/usb/tasks/main.yml b/roles/installer/ubuntu/usb/tasks/main.yml
new file mode 100644
index 00000000..26df154d
--- /dev/null
+++ b/roles/installer/ubuntu/usb/tasks/main.yml
@@ -0,0 +1,48 @@
+---
+- name: check if usb drive device exists
+  run_once: true
+  stat:
+    path: "{{ usb_install_path }}"
+  register: usb_install_device
+
+- name: fail if usb drive path is not a device
+  run_once: true
+  assert:
+    that: usb_install_device.stat.exists and usb_install_device.stat.isblk
+    msg: the path to the usb drive does not exist or is not a block device
+
+- block:
+  - name: create temporary workdir
+    tempfile:
+      prefix: "usb-install.{{ inventory_hostname }}."
+      state: directory
+    register: tmpdir
+
+  - name: generate autoinstall files
+    vars:
+      ubuntu_autoinstall_tmpdir: "{{ tmpdir.path }}"
+    import_role:
+      name: installer/ubuntu/autoinstall
+
+  - name: generate isolinux configuration for BIOS boot
+    template:
+      src: isolinux.cfg.j2
+      dest: "{{ tmpdir.path }}/isolinux.cfg"
+
+  - name: generate grub configuration for UEFI boot
+    template:
+      src: grub.cfg.j2
+      dest: "{{ tmpdir.path }}/grub.cfg"
+
+  - name: update iso9660 filesystem on installer usb drive
+    become: yes
+    command: xorriso -dev "stdio:{{ usb_install_path }}" -pathspecs on -boot_image any replay -update isolinux.cfg /isolinux/isolinux.cfg -update grub.cfg /boot/grub/grub.cfg -find / -disk_name autoinstall -type d -exec rm_r -- -add /autoinstall=autoinstall
+    args:
+      chdir: "{{ tmpdir.path }}"
+
+  always:
+  - name: cleanup temporary workdir
+    when: tmpdir.path is defined
+    file:
+      path: "{{ tmpdir.path }}"
+      state: absent
diff --git a/roles/installer/ubuntu/usb/templates/grub.cfg.j2 b/roles/installer/ubuntu/usb/templates/grub.cfg.j2
new file mode 100644
index 00000000..6ba4e6be
--- /dev/null
+++ b/roles/installer/ubuntu/usb/templates/grub.cfg.j2
@@ -0,0 +1,18 @@
+if loadfont $prefix/font.pf2 ; then
+  set gfxmode=auto
+  insmod efi_gop
+  insmod efi_uga
+  insmod gfxterm
+  terminal_output gfxterm
+fi
+
+set menu_color_normal=white/black
+set menu_color_highlight=black/light-gray
+set timeout=10
+set default=0
+
+menuentry "automated installer for {{ inventory_hostname }}" {
+	set gfxpayload=keep
+	linux  /casper/vmlinuz quiet autoinstall "ds=nocloud;s=/cdrom/autoinstall/" {{ (install_cooked.kernel_cmdline | default([])) | join(' ') }}
+	initrd /casper/initrd
+}
diff --git a/roles/installer/ubuntu/usb/templates/isolinux.cfg.j2 b/roles/installer/ubuntu/usb/templates/isolinux.cfg.j2
new file mode 100644
index 00000000..68269dfc
--- /dev/null
+++ b/roles/installer/ubuntu/usb/templates/isolinux.cfg.j2
@@ -0,0 +1,15 @@
+DEFAULT {{ inventory_hostname }}
+TIMEOUT 100
+PROMPT 1
+SAY *****************************************
+SAY **
+SAY **  Distro:   {{ install_distro }}
+SAY **  Codename: {{ install_codename }}
+SAY **
+SAY **  will be booting automated installer for {{ inventory_hostname }} in 10s ...
+SAY **
+
+LABEL {{ inventory_hostname }}
+  KERNEL /casper/vmlinuz
+  INITRD /casper/initrd
+  APPEND quiet autoinstall ds=nocloud;s=/cdrom/autoinstall/ {{ (install_cooked.kernel_cmdline | default([])) | join(' ') }}