example.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'hetzner-bootstrap'

# get your API login from Hetzner's customer panel at: https://robot.your-server.de/
# assign env variables:
#   ROBOT_USER
#   ROBOT_PASSWORD
#
# rbenv-tip: checkout rbenv-vars, it's awesome!
#            https://github.com/sstephenson/rbenv-vars/

bs = Hetzner::Bootstrap.new(api: Hetzner::API.new(
  ENV['ROBOT_USER'],
  ENV['ROBOT_PASSWORD']
))

# 2 disks, software raid 1, etc.
template = <<EOT
DRIVE1 /dev/sda
DRIVE2 /dev/sdb
FORMATDRIVE2 0

## ===============
##  SOFTWARE RAID:
## ===============

## activate software RAID?  < 0 | 1 >
SWRAID 1

## Choose the level for the software RAID < 0 | 1 >
SWRAIDLEVEL 1

## which bootloader should be used?  < lilo | grub >
BOOTLOADER grub

HOSTNAME <%= hostname %>

## PART  <mountpoint/lvm>  <filesystem/VG>  <size in MB>
##
## * <mountpoint/lvm> mountpoint for this filesystem  *OR*  keyword 'lvm'
##                    to use this PART as volume group (VG) for LVM
## * <filesystem/VG>  can be ext2, ext3, reiserfs, xfs, swap  *OR*  name
##                    of the LVM volume group (VG), if this PART is a VG
## * <size>           you can use the keyword 'all' to assign all the
##                    remaining space of the drive to the *last* partition.
##                    you can use M/G/T for unit specification in MIB/GIB/TIB
##
## notes:
##   - extended partitions are created automatically
##   - '/boot' cannot be on a xfs filesystem!
##   - '/boot' cannot be on LVM!
##   - when using software RAID 0, you need a '/boot' partition

PART /boot ext2    1G
PART lvm   host   75G
PART lvm   guest  all

#LV <VG> <name> <mount> <filesystem> <size>
LV host root /    ext3  50G
LV host swap swap swap   5G


## ========================
##  OPERATING SYSTEM IMAGE:
## ========================

## full path to the operating system image
##   supported image sources:  local dir,  ftp,  http,  nfs
##   supported image types:  tar,  tar.gz,  tar.bz,  tar.bz2,  tgz,  tbz
## examples:
#
# local: /path/to/image/filename.tar.gz
# ftp:   ftp://<user>:<password>@hostname/path/to/image/filename.tar.bz2
# http:  http://<user>:<password>@hostname/path/to/image/filename.tbz
# https: https://<user>:<password>@hostname/path/to/image/filename.tbz
# nfs:   hostname:/path/to/image/filename.tgz

# Default images provided by hetzner as of October 2014:
# Archlinux-2014-64-minmal.tar.gz
# CentOS-65-32-minimal.tar.gz
# CentOS-65-64-cpanel.tar.gz
# CentOS-65-64-minimal.tar.gz
# CentOS-70-64-minimal.tar.gz
# Debian-76-wheezy-32-minimal.tar.gz
# Debian-76-wheezy-64-LAMP.tar.gz
# Debian-76-wheezy-64-minimal.tar.gz
# openSUSE-131-64-minimal.tar.gz
# Ubuntu-1204-precise-64-minimal.tar.gz
# Ubuntu-1404-trusty-64-minimal.tar.gz


IMAGE /root/images/Ubuntu-1204-precise-64-minimal.tar.gz

EOT

# the post_install hook is a great place to setup further
# software/system provisioning
#
post_install = <<EOT
  # knife bootstrap <%= ip %> -N <%= hostname %> "role[base],role[kvm_host]"
EOT

# duplicate entry for each system
bs << { ip: '1.2.3.4',
        template: template,               # string will be parsed by erubis
        hostname: 'server100',            # sets hostname
        public_keys: '~/.ssh/id_dsa.pub', # will be copied to your system
        post_install: post_install }      # will be executed *locally* at the end

bs.bootstrap!