virtualbox-ubuntu-16.04-cloud-init.json

{
  "variables": {
    "vm_name": "ubuntu-xenial",
    "cpu": "2",
    "ram_size": "2048",
    "disk_size": "3072",
    "iso_url": "http://releases.ubuntu.com/16.04/ubuntu-16.04.5-server-amd64.iso",
    "iso_checksum_type": "sha1",
    "iso_checksum": "ee32c555567dd5407c58a1cfc7e668ab37a99d99",
    "username" : "vagrant",
    "password" : "vagrant"
  },
  "builders": [
  {
    "vm_name":"{{user `vm_name`}}",
    "type": "virtualbox-iso",
    "boot_wait": "5s",
    "disk_size": "{{user `disk_size`}}",
    "headless": true,
    "guest_additions_mode":"disable",
    "http_directory": "./linux/ubuntu/http/",
    "iso_url": "{{user `iso_url`}}",
    "iso_checksum_type": "{{user `iso_checksum_type`}}",
    "iso_checksum": "{{user `iso_checksum`}}",			 
    "communicator":"ssh",
    "ssh_username": "{{user `username`}}",
    "ssh_password": "{{user `password`}}",
    "ssh_timeout": "4h",
    "shutdown_command": "echo 'vagrant' | sudo -S -E shutdown -P now",   
    "boot_command": [
      "<esc><wait10><esc><esc><enter><wait>",
      "set gfxpayload=1024x768<enter>",
      "linux /install/vmlinuz ",
      "preseed/url=http://{{.HTTPIP}}:{{.HTTPPort}}/16.04/preseed-cloud-init.cfg ",
      "debian-installer=en_US auto locale=en_US kbd-chooser/method=us ",
      "hostname={{.Name}} ",
      "fb=false debconf/frontend=noninteractive ",
      "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA ",
      "keyboard-configuration/variant=USA console-setup/ask_detect=false <enter>",
      "initrd /install/initrd.gz<enter>",
      "boot<enter>"
    ],
    "guest_os_type": "Ubuntu_64",
    "vboxmanage": [
      [
        "modifyvm","{{.Name}}","--memory","{{user `ram_size`}}"
      ],
      [
        "modifyvm","{{.Name}}","--cpus","{{user `cpu`}}"
      ]
    ]
  }],
  "provisioners": [{
    "type": "shell",
    "execute_command": "echo 'vagrant' | sudo -S -E sh {{.Path}}",
    "scripts": [
      "./linux/ubuntu/update.sh",
      "./linux/ubuntu/cloud-init.sh",
      "./linux/ubuntu/cleanup.sh"
    ]
  }],
  "post-processors": [
    {
      "type": "vagrant",
      "keep_input_artifact": false,
      "output": "{{.Provider}}_ubuntu-16.04_chef.box"
    }
  ]
}