virtualbox-iso build

base.json

{
  "variables": {
    "chef_version": "12.0.3",
    "packer_box_dir": "/home/packer/builds/"
  },
  "builders": [
    {
      "type": "virtualbox-iso",
      "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<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<wait>",
        " netcfg/get_hostname=ubuntu-1204<wait>",
        " netcfg/get_domain=vagrantup.com<wait>",
        " noapic<wait>",
        " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg<wait>",
        " -- <wait>",
        "<enter><wait>"
      ],
      "boot_wait": "10s",
      "disk_size": 40960,
      "guest_os_type": "Ubuntu_64",
      "http_directory": "packer/http",
      "headless": "true",
      "iso_url": "http://releases.ubuntu.com/12.04/ubuntu-12.04.5-server-amd64.iso",
      "iso_checksum": "769474248a3897f4865817446f9a4a53",
      "iso_checksum_type": "md5",
      "ssh_username": "vagrant",
      "ssh_password": "vagrant",
      "ssh_port": 22,
      "ssh_wait_timeout": "10000s",
      "shutdown_command": "echo 'shutdown -P now' > /tmp/shutdown.sh; echo 'vagrant'|sudo -S sh '/tmp/shutdown.sh'",
      "vboxmanage": [
        [ "modifyvm", "{{.Name}}", "--memory", "4096" ],
        [ "modifyvm", "{{.Name}}", "--cpus", "2" ]
      ]
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "only": [
        "virtualbox-iso"
      ],
      "execute_command": "echo 'vagrant' | sudo -S sh '{{ .Path }}'",
      "inline": [
        "rm -rf /var/lib/apt/lists/*",
        "apt-get update -y",
        "apt-get install -y linux-headers-$(uname -r) build-essential dkms curl",
        "apt-get clean",
        "mount -o loop VBoxGuestAdditions.iso /media/cdrom",
        "sh /media/cdrom/VBoxLinuxAdditions.run",
        "umount /media/cdrom",
        "mkdir ~/.ssh",
        "wget -qO- https://raw.github.com/mitchellh/vagrant/master/keys/vagrant.pub >> ~/.ssh/authorized_keys",
        "echo 'vagrant ALL=NOPASSWD:ALL' > /tmp/vagrant",
        "chmod 0440 /tmp/vagrant",
        "mv /tmp/vagrant /etc/sudoers.d/"
      ]
    }
  ],
  "post-processors": [
    {
      "type": "vagrant",
      "output": "{{user `packer_box_dir` }}vagrant-{{timestamp}}-virtualbox.box",
      "only": [
        "virtualbox-iso"
      ]
    }
  ]
}

packer http preseed.cfg

# This file goes into packer/http/preseed.cfg
# https://www.packer.io/docs/builders/virtualbox-iso.html#http_directory
choose-mirror-bin mirror/http/proxy string
d-i base-installer/kernel/override-image string linux-server
d-i clock-setup/utc boolean true
d-i clock-setup/utc-auto boolean true
d-i finish-install/reboot_in_progress note
d-i grub-installer/only_debian boolean true
d-i grub-installer/with_other_os boolean true
d-i partman-auto-lvm/guided_size string max
d-i partman-auto/choose_recipe select atomic
d-i partman-auto/method string lvm
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true
d-i partman-lvm/device_remove_lvm boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
d-i partman/confirm_write_new_label boolean true

# Default user
d-i passwd/user-fullname string vagrant
d-i passwd/username string vagrant
d-i passwd/user-password password vagrant
d-i passwd/user-password-again password vagrant
d-i passwd/username string vagrant

# Minimum packages (see postinstall.sh)
d-i pkgsel/include string openssh-server
d-i pkgsel/install-language-support boolean false
d-i pkgsel/update-policy select none
d-i pkgsel/upgrade select none

d-i time/zone string UTC
d-i user-setup/allow-password-weak boolean true
d-i user-setup/encrypt-home boolean false
tasksel tasksel/first multiselect standard, ubuntu-server