require 'xmlrpc/client'
Facter.add(:odoo_ref) do
  confine :virtual => 'physical'
  setcode do
    mac = Facter.value(:discovery_bootif)
    sn = Facter.value(:serialnumber)
    url = 'http://odoo-server:8069'
    db = 'production'
    username = 'username'
    password = 'password'
    common = XMLRPC::Client.new2("#{url}/xmlrpc/2/common")
    uid = common.call('authenticate', db, username, password, {})
    models = XMLRPC::Client.new2("#{url}/xmlrpc/2/object").proxy
    records = models.execute_kw(db, uid, password,
      'stock.production.lot', 'search_read',
      [['|', ['serialnumber', '=', mac], ['serialnumber', '=', sn]]],
      {:fields => ['ref']})
    if records.length == 1
      records.first['ref']
    end
  end
end