rackspace api to launch servers with personalities

gistfile1.rb

#!/usr/bin/env ruby

#
#  this will eventually be a cmd line script:
#  inputs -
#      1) authentication, 2) packages list, 3) chef recipe url, 4) node attributes as .. yaml?
#

require 'rubygems'
require 'right_rackspace'
require 'yaml'

rackspace = Rightscale::Rackspace::Interface::new( YOUR_USER, YOUR_PASS, :auth_endpoint => 'https://auth.api.rackspacecloud.com/v1.0', :verbose_errors => true )

images = rackspace.list_images
ubuntu = images["images"].select {|i| i["name"] =~ /intrepid/}
ubu_img_id = ubuntu.first["id"]

flavors = rackspace.list_flavors
smallest = flavors["flavors"].select {|f| f["name"] =~ /256 slice/}
small_fla_id = smallest.first["id"]

replacementRCtwo = <<RCTWO
#!/bin/bash
# run level 2 init script for chef bootstrap -- ubuntu
DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get install -y ruby rdoc ri libopenssl-ruby ruby1.8-dev build-essential rubygems
gem sources -a http://gems.opscode.com/
gem install chef
gem sources -a http://gems.github.com
exit 0
RCTWO

replacementRCs = <<RCS
cat > /etc/init.d/#{INIT_FILENAME} <<EOF 
#{replacementRCtwo}
EOF

chmod +x /etc/init.d/#{INIT_FILENAME}
ln -s /etc/init.d/#{INIT_FILENAME} /etc/rc2.d/S98#{INIT_FILENAME}
RCS

response = rackspace.create_server(:name => "ussenterprise",
                        :image_id => ubu_img_id,
                        :flavor_id => small_fla_id,
                        :personalities => { '/etc/rcS.d/S98bootstrap.sh' => replacementRCs }
                        )