user-data.pkrtpl.hcl

#cloud-config
system_info:
  default_user:
    name: <USERNAME>
  plain_text_passwd: "<PASSWORD>"
  lock_passwd: false
autoinstall:
  version: 1
  locale: en_US
  keyboard:
    layout: us
    # variant: us
  ssh:
    install-server: true
    allow-pw: true
    # disable_root: true
    ssh_quiet_keygen: true
    allow_public_ssh_keys: true
  packages:
    - openssh-server
    - open-vm-tools
    - cloud-init
    - qemu-guest-agent
  storage:
    layout:
      name: direct
    swap:
      size: 0

  user-data:
    users:
      - name: ubuntu
        groups: [adm, sudo]
        shell: /bin/bash
        sudo: ALL=(ALL) NOPASSWD:ALL
        # Replace this with your actual SSH public key content
        ssh_authorized_keys:
          - "<KEY GOES HERE>"
  # Prevent interactive prompts during installation
  apt:
    conf: |
      APT::Get::Assume-Yes "true";
      APT::Get::Force-Yes "true";
      Dpkg::Options "--force-confdef";
      Dpkg::Options "--force-confold";
  late-commands:
    - echo 'ubuntu ALL=(ALL) NOPASSWD:ALL' > /target/etc/sudoers.d/ubuntu
    - chmod 440 /target/etc/sudoers.d/ubuntu
    - echo 'DEBIAN_FRONTEND=noninteractive' >> /target/etc/environment
    # Ensure cloud-init services are enabled
    - systemctl enable cloud-init --root=/target
    - systemctl enable cloud-init-local --root=/target
    - systemctl enable cloud-config --root=/target
    - systemctl enable cloud-final --root=/target