ubuntu.json

{
  "builders":
  [
    {
      "type": "qemu",
      "iso_url": "http://cloud-images.ubuntu.com/daily/server/xenial/current/xenial-server-cloudimg-amd64-disk1.img",
      "iso_checksum_url": "http://cloud-images.ubuntu.com/daily/server/xenial/current/SHA256SUMS",
      "iso_checksum_type": "sha256",
      "disk_image": true,
      "output_directory": "output",
      "disk_size": 3000,
      "format": "qcow2",
      "disk_compression": true,
      "headless": true,
      "accelerator": "kvm",
      "ssh_username": "ubuntu",
      "ssh_password": "ubuntu",
      "ssh_port": 22,
      "ssh_wait_timeout": "30s",
      "vm_name": "ubuntu",
      "use_default_display": true,
      "qemuargs": [
        ["-m", "1024M"],
        ["-fda", "cloudinit/cloud.img"]
      ]
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "sudo apt-get remove -y cloud-init"
      ]
    }
  ]
}