From 1d7c13b3a4c52278641bd8d20017bef12130fab5 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 29 Jun 2021 17:40:42 +0200
Subject: add autoinstall role for ubuntu/installer

---
 .../installer/ubuntu/autoinstall/defaults/main.yml |  36 +++++
 .../ubuntu/autoinstall/files/early-command.py      |  25 +++
 roles/installer/ubuntu/autoinstall/tasks/main.yml  |  20 +++
 .../autoinstall/templates/autoinstall.yml.j2       | 172 +++++++++++++++++++++
 4 files changed, 253 insertions(+)
 create mode 100644 roles/installer/ubuntu/autoinstall/defaults/main.yml
 create mode 100644 roles/installer/ubuntu/autoinstall/files/early-command.py
 create mode 100644 roles/installer/ubuntu/autoinstall/tasks/main.yml
 create mode 100644 roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2

(limited to 'roles/installer/ubuntu')

diff --git a/roles/installer/ubuntu/autoinstall/defaults/main.yml b/roles/installer/ubuntu/autoinstall/defaults/main.yml
new file mode 100644
index 00000000..1a4fd3ed
--- /dev/null
+++ b/roles/installer/ubuntu/autoinstall/defaults/main.yml
@@ -0,0 +1,36 @@
+---
+# ubuntu_autoinstall_tmpdir:
+
+ubuntu_autoinstall_locale: en_US
+
+ubuntu_autoinstall_keyboard_layout: de
+ubuntu_autoinstall_keyboard_variant: nodeadkeys
+
+ubuntu_autoinstall_timezone: Europe/Vienna
+
+# ubuntu_autoinstall_kernel_image:
+ubuntu_autoinstall_virtual_machine: no
+
+ubuntu_autoinstall_efi_esp_size: 128M
+
+ubuntu_autoinstall_system_lvm_size_default: all
+ubuntu_autoinstall_system_lvm_volumes_default:
+  - name: root
+    size: 2.5G
+    filesystem: ext4
+    mountpoint: /
+  - name: var
+    size: 1280M
+    filesystem: ext4
+    mountpoint: /var
+  - name: var+log
+    size: 768M
+    filesystem: ext4
+    mountpoint: /var/log
+    mount_options:
+    - nodev
+    - noatime
+    - noexec
+
+
+ubuntu_autoinstall_install_tasks: []
diff --git a/roles/installer/ubuntu/autoinstall/files/early-command.py b/roles/installer/ubuntu/autoinstall/files/early-command.py
new file mode 100644
index 00000000..93d72b2d
--- /dev/null
+++ b/roles/installer/ubuntu/autoinstall/files/early-command.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import os
+from shutil import copyfile
+import yaml
+
+os.umask(0o077)
+copyfile('/autoinstall.yaml', '/autoinstall.yaml_before-early-command')
+
+config = {}
+with open('/autoinstall.yaml', 'r') as file:
+    config = yaml.safe_load(file)
+
+try:
+    for c in config['storage']['config']:
+        if 'type' not in c or c['type'] != 'disk' or 'path' not in c:
+            continue
+
+        c['path'] = os.path.realpath(c['path'])
+
+        with open('/autoinstall.yaml', 'w') as file:
+            yaml.dump(config, file, default_flow_style=False)
+
+except KeyError:
+    pass
diff --git a/roles/installer/ubuntu/autoinstall/tasks/main.yml b/roles/installer/ubuntu/autoinstall/tasks/main.yml
new file mode 100644
index 00000000..4a3034d0
--- /dev/null
+++ b/roles/installer/ubuntu/autoinstall/tasks/main.yml
@@ -0,0 +1,20 @@
+---
+- name: create autoinstall sub-directory
+  file:
+    path: "{{ ubuntu_autoinstall_tmpdir }}/autoinstall"
+    state: directory
+
+- name: create empty meta-data file
+  copy:
+    content: ""
+    dest: "{{ ubuntu_autoinstall_tmpdir }}/autoinstall/meta-data"
+
+- name: copy early-command script
+  copy:
+    src: early-command.py
+    dest: "{{ ubuntu_autoinstall_tmpdir }}/autoinstall/early-command.py"
+
+- name: generate autoinstall.yml as user-data
+  template:
+    src: autoinstall.yml.j2
+    dest: "{{ ubuntu_autoinstall_tmpdir }}/autoinstall/user-data"
diff --git a/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2 b/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2
new file mode 100644
index 00000000..97b54b0a
--- /dev/null
+++ b/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2
@@ -0,0 +1,172 @@
+#cloud-config
+autoinstall:
+  version: 1
+  early-commands:
+  - python3 /cdrom/autoinstall/early-command.py
+
+  locale: "{{ ubuntu_autoinstall_locale }}"
+  keyboard:
+    layout: "{{ ubuntu_autoinstall_keyboard_layout }}"
+    variant: "{{ ubuntu_autoinstall_keyboard_variant }}"
+    toggle: null
+
+  network:
+    version: 2
+    ethernets:
+      {{ install_interface | default(network_cooked.primary.name) }}:
+{% if install_dhcp | default(false) %}
+        dhcp4: yes
+{% else %}
+        addresses:
+        - {{ network_cooked.primary.address }}
+        gateway4: {{ network_cooked.primary.gateway }}
+{%   if (network_cooked.nameservers  | default([]) | length) > 0 %}
+        nameservers:
+          search: [ {{ host_domain }} ]
+          addresses: [ {{ network_cooked.nameservers | join(', ') }} ]
+{%   endif %}
+{% endif %}
+
+  storage:
+    config:
+    - id: disk-primary
+      type: disk
+      path: {{ install_cooked.disks.primary }}
+{% if install_cooked.efi | default(false) %}
+      ptable: gpt
+{% else %}
+      ptable: msdos
+      grub_device: true
+{% endif %}
+      wipe: superblock-recursive
+
+{% if install_cooked.efi | default(false) %}
+{%   set part_offset = 1 %}
+    - id: partition-esp
+      type: partition
+      device: disk-primary
+      flag: boot
+      number: 1
+      size: {{ ubuntu_autoinstall_efi_esp_size | human_to_bytes }}
+      grub_device: true
+    - id: format-esp
+      type: format
+      volume: partition-esp
+      label: efi
+      fstype: fat32
+    - id: mount-esp
+      type: mount
+      device: format-esp
+      path: /boot/efi
+
+{% else %}
+{%   set part_offset = 0 %}
+
+{% endif %}
+{% set system_lvm_size = install_cooked.system_lvm.size | default(ubuntu_autoinstall_system_lvm_size_default) %}
+{% set system_lvm_volumes = install_cooked.system_lvm.volumes | default(ubuntu_autoinstall_system_lvm_volumes_default) %}
+    - id: partition-lvm
+      type: partition
+      device: disk-primary
+      flag: linux
+      number: {{ part_offset + 1 }}
+{% if system_lvm_size != 'all' %}
+      size: {{ system_lvm_size | human_to_bytes }}
+    - id: partition-unused
+      type: partition
+      device: disk-primary
+      flag: linux
+      number: {{ part_offset + 2 }}
+{% endif %}
+      size: -1
+
+    - id: lvm-vg-system
+      type: lvm_volgroup
+      devices:
+      - partition-lvm
+      name: {{ host_name }}
+
+{% for volume in system_lvm_volumes %}
+    - id: lvm-lv-{{ volume.name }}
+      type: lvm_partition
+      volgroup: lvm-vg-system
+      name: {{ volume.name }}
+      size: {{ volume.size | human_to_bytes }}
+    - id: format-{{ volume.name }}
+      type: format
+      fstype: {{ volume.filesystem }}
+      volume: lvm-lv-{{ volume.name }}
+    - id: mount-{{ volume.name }}
+      type: mount
+      device: format-{{ volume.name }}
+      path: {{ volume.mountpoint }}
+{%   if 'mount_options' in volume and (volume.mount_options | length) > 0 %}
+      options: '{{ volume.mount_options | join(",") }}'
+{%   endif %}
+
+{% endfor %}
+  apt:
+    primary:
+    - uri: http://{{ apt_repo_providers[apt_repo_provider].ubuntu.host }}{{ apt_repo_providers[apt_repo_provider].ubuntu.path }}
+      arches:
+      - amd64
+
+  user-data:
+    hostname: "{{ host_name }}"
+    timezone: "{{ ubuntu_autoinstall_timezone }}"
+    disable_root: false
+    users:
+    - name: root
+      ssh_authorized_keys:
+{% for key in ssh_keys_root %}
+      - {{ key }}
+{% endfor %}
+    runcmd:
+    - [ apt-get, -y, -q, purge, snapd, cloud-init, cloud-guest-utils, cloud-initramfs-copymods, cloud-initramfs-dyn-netconf, python3-cryptography, gpg, sosreport, update-notifier-common, ssh-import-id ]
+    - [ rm, -rf, /etc/cloud, /var/lib/cloud ]
+    - [ apt-get, -y, -q, auto-remove ]
+    - [ bash, -c, 'dpkg -l | grep "^rc" | awk "{ print(\$2) }" | xargs dpkg -P' ]
+{% if ubuntu_autoinstall_virtual_machine %}
+    - [ poweroff ]
+{% endif %}
+
+  ssh:
+    install-server: true
+
+  packages:
+  - python3
+  - python3-apt
+{% for task in ubuntu_autoinstall_install_tasks %}
+  - {{ task }}^
+{% endfor %}
+
+  late-commands:
+  - curtin in-target --target=/target -- swapoff -a; sed -e '/^\/swapfile/d' -i /etc/fstab; rm -f /swapfile
+{% if ansible_port is defined %}
+  - curtin in-target --target=/target -- sed -e 's/^\(\s*#*\s*Port.*\)/Port {{ ansible_port }}/' -i /etc/ssh/sshd_config
+{% endif %}
+  - curtin in-target --target=/target -- apt-mark manual iputils-ping isc-dhcp-client netcat-openbsd netplan.io sudo
+  - curtin in-target --target=/target -- apt-get -y -q purge policykit-1 multipath-tools ubuntu-minimal unattended-upgrades sound-theme-freedesktop thin-provisioning-tools cryptsetup mdadm byobu open-iscsi btrfs-progs pollinate lxd-agent-loader
+{% if not ubuntu_autoinstall_virtual_machine %}
+  - curtin in-target --target=/target -- apt-get -y -q purge open-vm-tools
+{% endif %}
+  - curtin in-target --target=/target -- env SUDO_FORCE_REMOVE=yes apt-get -y -q purge sudo
+  - curtin in-target --target=/target -- apt-get -y -q autoremove
+  - curtin in-target --target=/target -- bash -c 'dpkg -l | grep "^rc" | awk "{ print(\$2) }" | xargs dpkg -P'
+{# purging the snapd package here would trigger a bug in den postrm script because some filesystems in /run/ can not be unmounted... #}
+{# to workadound this issue we only remove the package here and rely on cloud-init to fully purge it on first boot (see user-data: above) #}
+  - curtin in-target --target=/target -- apt-get -y -q remove snapd
+  - curtin in-target --target=/target -- bash -c 'apt-get update -q && apt-get full-upgrade -y -q'
+{% if ubuntu_autoinstall_kernel_image is defined or ubuntu_autoinstall_virtual_machine %}
+
+write_files:
+  - path: /run/kernel-meta-package
+    content: |
+{%   if ubuntu_autoinstall_kernel_image is defined %}
+      {{ ubuntu_autoinstall_kernel_image }}
+{%   else %}
+      linux-virtual
+{%   endif %}
+    owner: root:root
+    permissions: "0644"
+{% endif %}
-- 
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