Description of metadata configuration options

Configuration option = Default value	Description
[DEFAULT]
metadata_host = $my_ip	(StrOpt) The IP address for the metadata API server
metadata_listen = 0.0.0.0	(StrOpt) The IP address on which the metadata API will listen.
metadata_listen_port = 8775	(IntOpt) The port on which the metadata API will listen.
metadata_manager = nova.api.manager.MetadataManager	(StrOpt) OpenStack metadata service manager
metadata_port = 8775	(IntOpt) The port for the metadata API port
metadata_workers = None	(IntOpt) Number of workers for metadata service. The default will be the number of CPUs available.
vendordata_driver = nova.api.metadata.vendordata_json.JsonFileVendorData	(StrOpt) Driver to use for vendor data
vendordata_jsonfile_path = None	(StrOpt) File to load JSON formatted vendor data from