provision.json

{
  "builders": [
    {
      "type": "qemu",
      "iso_url": "{{ user `iso_url` }}",
      "iso_checksum": "sha256:{{ user `iso_checksum` }}",
      "output_directory": "{{ user `output` }}",
      "ssh_password": "{{ user `ssh_password` }}",
      "ssh_timeout": "10000s",
      "ssh_username": "{{ user `ssh_username` }}",
      "vm_name": "{{ user `vm_name` }}",
      "disk_image": "true",
      "skip_resize_disk": "true",
      "display": "{{ user `display` }}",
      "vga": "{{ user `vga` }}",
      "headless": "{{ user `headless` }}",
      "accelerator": "{{ user `accelerator` }}",
      "qemuargs": [
        ["-m", "{{ user `memory` }}"],
        ["-machine", "accel={{ user `accelerator` }}"],
        ["-cpu", "{{ user `cpu` }}"]
      ]
    }
  ],
  "provisioners": [],
  "variables": {
    "iso_url": "{iso}",
    "iso_checksum": "{iso_checksum}",
    "vga": "{vga}",
    "display": "{display}",
    "headless": "{headless}",
    "output": "{output}",
    "ssh_fullname": "{ssh_fullname}",
    "ssh_password": "{ssh_password}",
    "ssh_username": "{ssh_username}",
    "vm_name": "{name}",
    "accelerator": "{accelerator}",
    "memory": "{memory}",
    "cpu": "{cpu}"
  }
}