virtualbox.json

{
  "builders": [
    {
      "boot_command": [
        "gentoo-nofb",
        "<enter>",
        "<wait10>",
        "<enter>",
        "<wait10>",
        "<wait10>",
        "<wait10>",
        "<wait10>",
        "<wait10>",
        "passwd {{user `username`}}",
        "<enter>",
        "<wait>",
        "{{user `password`}}",
        "<enter>",
        "<wait>",
        "{{user `password`}}",
        "<enter>",
        "<wait>",
        "sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config",
        "<enter>",
        "<wait>",
        "echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config",
        "<enter>",
        "<wait>",
        "/etc/init.d/sshd start",
        "<enter>",
        "<wait>"
      ],
      "boot_wait": "5s",
      "disk_size": 60000,
      "guest_additions_mode": "disable",
      "guest_os_type": "Gentoo_64",
      "headless": false,
      "iso_checksum": "1fe353fec7142a551348ba3aa1b42dcf73df8ad815340f7da30239357f8d6b2fa4a5e2db8075efde9b3c28fcf16b62d5f8045cfb9c57fa0bda55821fe5390d44",
      "iso_checksum_type": "sha512",
      "iso_url": "http://distfiles.gentoo.org/releases/amd64/autobuilds/{{user `stage3`}}/install-amd64-minimal-{{user `stage3`}}.iso",
      "shutdown_command": "shutdown -hP now",
      "ssh_password": "{{user `password`}}",
      "ssh_username": "{{user `username`}}",
      "ssh_wait_timeout": "20s",
      "type": "virtualbox-iso",
      "vm_name": "Gentoo"
    }
  ],
  "description": "Faithful Stage 3 Gentoo Installation (VirtualBox)",
  "post-processors": [
    {
      "output": "gentoo-amd64-stage3-virtualbox.box",
      "type": "vagrant"
    }
  ],
  "provisioners": [
    {
      "destination": "/tmp",
      "source": "scripts",
      "type": "file"
    },
    {
      "environment_vars": [
        "STAGE3={{user `stage3`}}",
        "VM_TYPE=virtualbox",
        "SCRIPTS=/tmp"
      ],
      "scripts": [
        "provision.sh"
      ],
      "type": "shell"
    }
  ],
  "variables": {
    "password": "packer",
    "stage3": "20150702",
    "username": "root"
  }
}