Convert ohai output(json) to cookbook attributes format.

ohai_to_attributes.rb

def _out(k,hash)
  hash.each_pair do |k2,v2|
  str = [k,"['#{k2}']"].join
  ha = {str => v2}
  out ha
  end
end

def out(hash)
  hash.each_pair do |k,v|
    if v.class == Hash
       _out k,v
    else
      v = %("#{v.to_s}") unless v.class == Array
      puts [k,v.to_s].join(" = ")
    end

  end
end

require 'json'
if STDIN.tty?
  puts "Usage: Please input ohai json from stdin."
  exit
end

json = JSON.parse(STDIN.read)
node = {:node => json}
out node

$ knife node show lxc -l -f json | ruby ./ohai_to_attributes.rb
node['name'] = "lxc"
node['chef_environment'] = "_default"
node['run_list'] = []
node['normal']['tags'] = []
node['automatic']['dmi']['chassis']['manufacturer'] = "Bochs"
-- sinp --