From ed2ea315f6b48700373087e259223e5761069fac Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 30 Jun 2021 00:13:57 +0200
Subject: ubuntu installer: add support for software raid (WIP)

---
 .../installer/ubuntu/autoinstall/defaults/main.yml |   2 +
 .../autoinstall/templates/autoinstall.yml.j2       | 100 +++++++++++++++++++--
 2 files changed, 95 insertions(+), 7 deletions(-)

(limited to 'roles/installer/ubuntu')

diff --git a/roles/installer/ubuntu/autoinstall/defaults/main.yml b/roles/installer/ubuntu/autoinstall/defaults/main.yml
index 1a4fd3ed..4af5a42d 100644
--- a/roles/installer/ubuntu/autoinstall/defaults/main.yml
+++ b/roles/installer/ubuntu/autoinstall/defaults/main.yml
@@ -11,7 +11,9 @@ ubuntu_autoinstall_timezone: Europe/Vienna
 # ubuntu_autoinstall_kernel_image:
 ubuntu_autoinstall_virtual_machine: no
 
+
 ubuntu_autoinstall_efi_esp_size: 128M
+ubuntu_autoinstall_swraid_boot_size: 256M
 
 ubuntu_autoinstall_system_lvm_size_default: all
 ubuntu_autoinstall_system_lvm_volumes_default:
diff --git a/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2 b/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2
index 97b54b0a..52eb0d44 100644
--- a/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2
+++ b/roles/installer/ubuntu/autoinstall/templates/autoinstall.yml.j2
@@ -29,19 +29,35 @@ autoinstall:
 
   storage:
     config:
+{% if install_cooked.disks.primary != "software-raid" %}
     - id: disk-primary
       type: disk
       path: {{ install_cooked.disks.primary }}
-{% if install_cooked.efi | default(false) %}
+{%   if install_cooked.efi | default(false) %}
       ptable: gpt
+{%   else %}
+      ptable: msdos
+      grub_device: true
+{%   endif %}
+      wipe: superblock-recursive
 {% else %}
+{%   for raid_member in install_cooked.disks.raid.members %}
+    - id: raid-disk{{ loop.index }}
+      type: disk
+      path: {{ raid_member }}
+{%     if install_cooked.efi | default(false) %}
+      ptable: gpt
+{%     else %}
       ptable: msdos
       grub_device: true
-{% endif %}
+{%     endif %}
       wipe: superblock-recursive
+{%   endfor %}
+{% endif %}
 
 {% if install_cooked.efi | default(false) %}
 {%   set part_offset = 1 %}
+{%   if install_cooked.disks.primary != "software-raid" %}
     - id: partition-esp
       type: partition
       device: disk-primary
@@ -49,6 +65,25 @@ autoinstall:
       number: 1
       size: {{ ubuntu_autoinstall_efi_esp_size | human_to_bytes }}
       grub_device: true
+{%   else %}
+{%     for raid_member in install_cooked.disks.raid.members %}
+    - id: raid-partition-esp{{ loop.index }}
+      type: partition
+      device: raid-disk{{ loop.index }}
+      flag: boot
+      number: 1
+      size: {{ ubuntu_autoinstall_efi_esp_size | human_to_bytes }}
+      grub_device: true
+{%     endfor %}
+    - id: partition-esp
+      type: raid
+      raidlevel: {{ install_cooked.disks.raid.level }}
+      metadata: 0.90
+      devices:
+{%     for raid_member in install_cooked.disks.raid.members %}
+      - raid-partition-esp{{ loop.index }}
+{%     endfor %}
+{%   endif %}
     - id: format-esp
       type: format
       volume: partition-esp
@@ -61,25 +96,76 @@ autoinstall:
 
 {% else %}
 {%   set part_offset = 0 %}
+{% endif %}
+{% if install_cooked.disks.primary == "software-raid" %}
+{%   for raid_member in install_cooked.disks.raid.members %}
+    - id: raid-partition-boot{{ loop.index }}
+      type: partition
+      device: raid-disk{{ loop.index }}
+      number: {{ part_offset + 1 }}
+      size: {{ ubuntu_autoinstall_swraid_boot_size | human_to_bytes }}
+{%   endfor %}
+    - id: partition-boot
+      type: raid
+      raidlevel: {{ install_cooked.disks.raid.level }}
+      devices:
+{%   for raid_member in install_cooked.disks.raid.members %}
+      - raid-partition-boot{{ loop.index }}
+{%   endfor %}
+    - id: format-boot
+      type: format
+      volume: partition-boot
+      fstype: ext4
+    - id: mount-boot
+      type: mount
+      device: format-boot
+      path: /boot
+{%   set part_offset = part_offset + 1 %}
 
 {% 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) %}
+{% if install_cooked.disks.primary != "software-raid" %}
     - id: partition-lvm
       type: partition
       device: disk-primary
       flag: linux
       number: {{ part_offset + 1 }}
-{% if system_lvm_size != 'all' %}
+{%   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 %}
+{%   endif %}
       size: -1
 
+{% else %}
+{%   for raid_member in install_cooked.disks.raid.members %}
+    - id: raid-partition-lvm{{ loop.index }}
+      type: partition
+      device: raid-disk{{ loop.index }}
+      number: {{ part_offset + 1 }}
+{%     if system_lvm_size != 'all' %}
+      size: {{ system_lvm_size | human_to_bytes }}
+    - id: raid-partition-unused{{ loop.index }}
+      type: partition
+      device: raid-disk{{ loop.index }}
+      flag: linux
+      number: {{ part_offset + 2 }}
+{%     endif %}
+      size: -1
+{%   endfor %}
+    - id: partition-lvm
+      type: raid
+      raidlevel: {{ install_cooked.disks.raid.level }}
+      devices:
+{%   for raid_member in install_cooked.disks.raid.members %}
+      - raid-partition-lvm{{ loop.index }}
+{%   endfor %}
+
+{% endif %}
     - id: lvm-vg-system
       type: lvm_volgroup
       devices:
@@ -146,9 +232,9 @@ autoinstall:
   - 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
+  - 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 byobu open-iscsi btrfs-progs pollinate lxd-agent-loader open-vm-tools
+{% if install_cooked.disks.primary != "software-raid" %}
+  - curtin in-target --target=/target -- apt-get -y -q purge mdadm
 {% 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
-- 
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