{
  "builders": [
    {
      "boot_wait": "10s",
      "cpus": "2",
      "disk_image": true,
      "disk_size": "{{user `disk_size`}}",
      "iso_checksum": "1bf86f40534c7c4c5491bbc8064bf1b0764da8c88d5a12edce0f442bc3055784",
      "iso_urls": [
        "{{template_dir}}/images/ubuntu-20.04-server-cloudimg-amd64.img",
        "{{template_dir}}/images/79f46c38b9e000a66d0edecf3222e2371fccd8a1.img",
        "https://cloud-images.ubuntu.com/releases/focal/release-20221213/ubuntu-20.04-server-cloudimg-amd64.img"
      ],
      "iso_target_path": "{{template_dir}}/images",
      "iso_target_extension": "img",
      "memory": "4096",
      "output_directory": "{{template_dir}}/scratch",
      "headless": true,
      "qemuargs": [
        [
          "-cdrom",
          "{{template_dir}}/cloud-init.img"
        ]
      ],
      "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",
      "ssh_password": "vagrant",
      "ssh_username": "vagrant",
      "type": "qemu",
      "use_backing_file": false,
      "vm_name": "backbone"
    }
  ],
  "post-processors": [
    {
      "output": "{{template_dir}}/builds/backbone.box",
      "type": "vagrant"
    }
  ],
  "provisioners": [
    {
      "execute_command": "echo 'vagrant' | {{.Vars}} sudo -S -E sh -eux '{{.Path}}'",
      "expect_disconnect": true,
      "scripts": [
        "{{template_dir}}/scripts/sshd.sh",
        "{{template_dir}}/scripts/networking.sh",
        "{{template_dir}}/scripts/update.sh",
        "{{template_dir}}/scripts/cleanup.sh",
        "{{template_dir}}/scripts/minimize.sh"
      ],
      "type": "shell"
    }
  ],
  "variables": {
    "disk_size": "16384"
  }
}