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#!/usr/bin/env ruby

require 'getoptlong'
require 'puppet'
require 'rdoc/usage'

ActiveRecord::Base.establish_connection(
   :adapter  => 'mysql',
   :database => 'puppet',
   :host     => 'localhost',
   :password => 'secret',
   :username => 'puppet'
)

class Hosts < Puppet::Rails::Host; end

opts = GetoptLong.new(
   [ '--class',    '-c', GetoptLong::REQUIRED_ARGUMENT],
   [ '--help',     '-h', GetoptLong::NO_ARGUMENT ],
   [ '--print',    '-p', GetoptLong::REQUIRED_ARGUMENT]
       )

printtype = "name"
opt_hash = Hash.new()
opts.each do |opt, arg|
   case opt
      when '--class'
         opt_hash['class'] = arg
      when '--help'
         RDoc::usage
      when '--print'
         printtype = arg
   end
end

query =''
if opt_hash['class']
    query = "(resources.restype = \'Class\' AND resources.title = \'#{opt_hash['class']}\')"
end

puts Hosts.find(:all,
                :include    => [ :resources ],
                :conditions => query
               ).map { |host| host.send(printtype) }