freebsd10.json

{
  "builders": [
    {
      "type": "virtualbox-iso",
      "vm_name": "freebsd100-packer",
      "boot_wait": "10s",
      "disk_size": 10240,
      "guest_os_type": "FreeBSD_64",
      "iso_checksum": "fd25619fa0d69c29bea8347b1070ac75",
      "iso_checksum_type": "md5",
      "iso_url": "FreeBSD-10.0-RELEASE-amd64-disc1.iso",
      "ssh_username": "vagrant",
      "ssh_password": "vagrant",
      "ssh_port": 22,
      "ssh_wait_timeout": "10000s",
      "shutdown_command": "echo 'shutdown -p now'|su -",
      "guest_additions_path": "VBoxGuestAdditions_{{.Version}}.iso",
      "virtualbox_version_file": ".vbox_version",
      "vboxmanage": [
        [
          "modifyvm",
          "{{.Name}}",
          "--memory",
          "1024"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--cpus",
          "1"
        ]
      ],
      "http_directory": ".",
      "boot_command": [
	    "<esc>",
        "load geom_mbr",
        "<enter>",
        "<wait><wait><wait><wait><wait><wait><wait><wait><wait><wait>",
        "boot -s",
        "<enter>",
        "<wait><wait><wait><wait><wait><wait><wait><wait><wait><wait>",
        "/bin/sh<enter>",
        "mdmfs -s 100m md1 /tmp<enter>",
        "dhclient -l /tmp/dhclient.lease.em0 em0<enter>",
        "<wait><wait><wait>",
        "echo 'sleeping for 10 seconds, then running install script.'<enter>",
        "fetch -o /tmp/install.sh http://{{ .HTTPIP }}:{{ .HTTPPort }}/install.sh && chmod +x /tmp/install.sh && /tmp/install.sh {{.Name}}<enter>",
		"<wait10>"
      ]
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "script": "postinstall.sh",
      "override": {
        "virtualbox-iso": {
          "execute_command": "cat '{{.Path}}' | su -"
        }
      }
    }
  ],
  "post-processors": [
    {
      "type": "vagrant",
      "output": "freebsd100-packer.box"
    }
  ]
}

install.sh

#!/bin/sh -x

NAME=$1

# create disks
gpart destroy -F ada0
gpart create -s gpt ada0
gpart add -b 34 -s 94 -t freebsd-boot ada0
gpart add -s 1G -t freebsd-swap -l swap0 ada0
gpart add -t freebsd-ufs ada0
gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada0

newfs -U /dev/ada0p3
mount /dev/ada0p3 /mnt

# Install the OS
cd /usr/freebsd-dist
cat base.txz | tar --unlink -xpJf - -C /mnt
cat lib32.txz | tar --unlink -xpJf - -C /mnt
cat kernel.txz | tar --unlink -xpJf - -C /mnt
cat src.txz | tar --unlink -xpJf - -C /mnt

# Enable required services
cat >> /mnt/etc/rc.conf << EOT
hostname="${NAME}"
ifconfig_em0="dhcp"
sshd_enable="YES"
EOT

# Install a few requirements
echo 'nameserver 8.8.8.8' > /mnt/etc/resolv.conf

cat << EOF > /mnt/etc/fstab
# Device        Mountpoint      FStype  Options Dump    Pass#
/dev/ada0p3     /               ufs     rw      1       1
/dev/ada0p2     none            swap    sw      0       0
EOF


# Set up user accounts
mkdir -p /mnt/usr/home/vagrant
echo "vagrant" | pw -V /mnt/etc useradd vagrant -h 0 -s csh -G wheel -d /usr/home/vagrant -c "Vagrant User"
echo "vagrant" | pw -V /mnt/etc usermod root

chown 1001:1001 /mnt/usr/home/vagrant

umount /mnt

# Reboot
reboot

postinstall.sh

#!/usr/local/bin/bash -ux

#Set the time correctly
ntpdate -v -b in.pool.ntp.org

date > /etc/vagrant_box_build_time

# allow freebsd-update to run fetch without stdin attached to a terminal
sed 's/\[ ! -t 0 \]/false/' /usr/sbin/freebsd-update > /tmp/freebsd-update
chmod +x /tmp/freebsd-update

# update freebsd-update
env ASSUME_ALWAYS_YES=YES /usr/sbin/pkg bootstrap
/usr/sbin/pkg update
/usr/sbin/pkg upgrade

#Installing vagrant keys
mkdir /usr/home/vagrant/.ssh
chmod 700 /usr/home/vagrant/.ssh
cd /usr/home/vagrant/.ssh
fetch --no-verify-peer -am 'https://raw.github.com/mitchellh/vagrant/master/keys/vagrant.pub' -o authorized_keys
chown -R vagrant /usr/home/vagrant/.ssh
chmod -R go-rwsx /usr/home/vagrant/.ssh

# Enable NFS
echo 'rpcbind_enable="YES"' >> /etc/rc.conf
echo 'nfs_server_enable="YES"' >> /etc/rc.conf
echo 'mountd_flags="-r"' >> /etc/rc.conf

# Enable passwordless sudo
echo "vagrant ALL=(ALL) NOPASSWD: ALL" >> /usr/local/etc/sudoers

pkg install -y libtool
pkg install -y sudo

# disable X11 because vagrants are (usually) headless
cat >> /etc/make.conf << EOT
WITHOUT_X11="YES"
EOT

pkg install -y virtualbox-ose-additions

sed -i '' -e '/^WITHOUT_X11/d' /etc/make.conf

echo 'vboxdrv_load="YES"' >> /boot/loader.conf
echo 'vboxnet_enable="YES"' >> /etc/rc.conf
echo 'vboxguest_enable="YES"' >> /etc/rc.conf
echo 'vboxservice_enable="YES"' >> /etc/rc.conf

pw groupadd vboxusers
pw groupmod vboxusers -m vagrant

exit