rails_directory = "#{node[:web][:base_directory]}/rails"
-piwik_configuration = data_bag_item("web", "piwik").to_hash.reject do |k,v|
+piwik_configuration = data_bag_item("web", "piwik").to_hash.reject do |k,_|
["chef_type", "data_bag", "id"].include?(k)
end