Description of agent configuration options

Configuration option = Default value	Description
[agent]
agent_api_version = v1	(StrOpt) API version to use for communicating with the ramdisk agent.
agent_pxe_append_params = nofb nomodeset vga=normal	(StrOpt) Additional append parameters for baremetal PXE boot.
agent_pxe_bootfile_name = pxelinux.0	(StrOpt) Neutron bootfile DHCP parameter.
agent_pxe_config_template = $pybasedir/drivers/modules/agent_config.template	(StrOpt) Template file for PXE configuration.
heartbeat_timeout = 300	(IntOpt) Maximum interval (in seconds) for agent heartbeats.