{
  "builders": [
        {
          "type": "test",
          "iso_checksum": "sha256:946a6077af6f5f95a51f82fdc44051c7aa19f9cfc5f737954845a6050543d7c2",
          "iso_url": "http://old-releases.ubuntu.com/releases/14.04.1/ubuntu-14.04.1-server-amd64.iso",
          "disk_size": "40960",
          "guest_os_type": "Ubuntu_64",

          "ssh_password": "vagrant",
          "ssh_username": "vagrant",
          "ssh_wait_timeout": "10000s",

          "http_directory": "./testdata/http",
          "boot_wait": "10s",
          "boot_command": [
            "<esc><wait>",
            "<esc><wait>",
            "<enter><wait>",
            "/install/vmlinuz<wait>",
            " auto<wait>",
            " console-setup/ask_detect=false<wait>",
            " console-setup/layoutcode=us<wait>",
            " console-setup/modelcode=pc105<wait>",
            " debconf/frontend=noninteractive<wait>",
            " debian-installer=en_US.UTF-8<wait>",
            " fb=false<wait>",
            " initrd=/install/initrd.gz<wait>",
            " kbd-chooser/method=us<wait>",
            " keyboard-configuration/layout=USA<wait>",
            " keyboard-configuration/variant=USA<wait>",
            " locale=en_US.UTF-8<wait>",
            " netcfg/get_domain=vm<wait>",
            " netcfg/get_hostname=vagrant<wait>",
            " noapic<wait>",
            " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg<wait>",
            " -- <wait>",
            "<enter><wait>"
          ],

          "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",
          "post_shutdown_delay": "60s"
        }
  ]
}