autoinstall demo files

grub.cfg

set timeout=1
    
loadfont unicode
   
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
   
menuentry "Try or Install Ubuntu Server" {
       set gfxpayload=keep
       linux   /casper/vmlinuz autoinstall quiet ---
       initrd  /casper/initrd
}
grub_platform
if [ "$grub_platform" = "efi" ]; then
menuentry 'Boot from next volume' {
       exit 1
}
menuentry 'UEFI Firmware Settings' {
       fwsetup
}
else
menuentry 'Test memory' {
       linux16 /boot/memtest86+.bin
}
fi

pi-user-data

cat <<'EOF' | sudo tee /tmp/pi-disk/user-data
#cloud-config

ssh_pwauth: false

# Create my user & SSH keys
users:
  - name: jangel
    groups: [sudo]
    sudo: ALL=(ALL) NOPASSWD:ALL
    ssh_import_id: gh:jimangel

runcmd:
 - printf "ubuntu-host-$(openssl rand -hex 3)" > /etc/hostname
 - printf "Ubuntu 22.04 LTS \nIP - $(hostname -I)\n" > /etc/issue
EOF

user-data

#cloud-config
autoinstall:
  version: 1

  ssh:
    install-server: true
    # option "allow-pw" defaults to `true` if authorized_keys is empty, `false` otherwise.
    allow-pw: false

  # "[late-commands] are run in the installer environment with the installed system mounted at /target."
  late-commands:
    # randomly generate the hostname & show the IP at boot
    - echo ubuntu-host-$(openssl rand -hex 3) > /target/etc/hostname
    # dump the IP out at login screen
    - echo "Ubuntu 22.04 LTS \nIP - $(hostname -I)\n" > /target/etc/issue
    # storage was a pain in the ass and merged multiple things, I just want a 100% use of the fs. (alt option: https://gist.github.com/anedward01/b68e00bb2dcfa4f1335cd4590cbc8484#file-user-data-L97-L199)
    - curtin in-target --target=/target -- lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
    - curtin in-target --target=/target -- resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
    # shut-down the host to avoid an infinite installer loop
    - shutdown -h now

  user-data:
    disable_root: true
    timezone: America/Chicago
    package_upgrade: false
    users:
      - name: jangel
        primary_group: users
        groups: sudo
        lock_passwd: true
        # don't need PW since using SSH, leaving this in though...
        # password is "changeme" - created with `docker run -it --rm alpine mkpasswd --method=SHA-512`
        # passwd: "$5$IWwNqL9VUSDoc4Jv$DEUGR.cZQcbz/QvdCOmU13fX5ZW0rANg8LqkAtX3nBA"
        shell: /bin/bash
        # use cat ~/.ssh/id_rsa.pub or generate to get your public key
        ssh_authorized_keys:
          - "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDTK3YYoKho9SvTejt9430NRwu5ZQpwtAQGBbX8piLvLfsrJzzXxWljTvmC63VMAbCy3ii/Z4yReeCt4h7JiFNf+4ggfUmG+SN+6WvRlfKdaQBXKqojNNxVDg/M73CYF/CYjifJYombA1WIFYoZwMSnd4pzuS7pSiMFKEYTznmImgqa40uZfK6My98KTFpbuebeRvF1u/2Q2ISEYRQmHbm79NAj2WPoI73vNDtkKOPn8NU13xQgC4EMlk/Yu0p36THYlMl30iJePhFgNNBTxXBZL41+nn6W9wgfwo78VDNSa0A2Cambad/lYEerSWevsPATU7bf2an7RsDJhvCx58hI4BMl0KQ3/R0MT2OSGU+GHjBzL/T9UHIxN1FynzmwYpI96MEmEqETjG2DzboO93Oo5EkuX/e6wo/ptQ1g9Qarmk66E0shYpTtwQn2mz0Lhv8PD9C/CbZl9QqcQ43yah1MD9PH/OaCj32FpBqDNJp+NuyYbjBDhG5TgGza4yrgww8= jimangel@Jims-MacBook-Pro.local"
          - "ssh-rsa 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 jangel@inwin-6x12-32gb-4650-1"
        sudo: ALL=(ALL) NOPASSWD:ALL
    # shutdown after first host initial provisioning
    power_state:
      mode: poweroff