Faking RHEV in qemu under packer so that cloud init takes its user data from a floppy disk

config.json

{
  "builders":
  [
    {
      "type": "qemu",
      "output_directory": "output",
      "iso_url": "trusty-server-cloudimg-amd64-disk1.img",
      "iso_checksum": "cf12c9878c9fb71c95d8f8c288761a99",
      "iso_checksum_type": "md5",
      "ssh_wait_timeout": "300s",
      "shutdown_command": "sudo halt -p",
      "disk_size": 4096,
      "format": "qcow2",
      "accelerator": "kvm",
      "disk_image": true,
      "headless": true,
      "floppy_files": ["user-data.txt"],
      "http_directory": "httpdir",
      "ssh_username": "ubuntu",
      "ssh_password": "passw0rd",
      "net_device": "virtio-net",
      "disk_interface": "virtio",
      "vnc_port_min": 5947,
      "vnc_port_max": 5987,
      "qemuargs": [
        [ "-smbios", "type=1,product=RHEV" ]
      ],
      "boot_wait": "5s"
    }
  ]
}

user-data.txt

#cloud-config
password: passw0rd
chpasswd: {expire: False}
ssh_pwauth: yes