metal-bmc

metal-bmc is responsible to gather data from machines via the out of band interfaces and report them back to the metal-apiserver. It also passes commands to the machines like power on/off, led on/off, firmware update etc. Access to the console of a machine is also terminated here in conjunction with the metal-console running in the control-plane.

More details per package as follows:

Reporter

Reporter reports the ip addresses that are leased to ipmi devices together with their machine uuids to the metal-apiserver. Therewith it is possible to have knowledge about new machines very early in the metal-apiserver and also get knowledge about possibly changing ipmi ip addresses. metal-bmc parses the DHCPD lease file and reports the mapping of machine uuids to ipmi ip address to the metal-apiserver.

BMC

The bmc package serves the following:

Commands

Commands from the metal-apiserver are passed via nsq and executed either through redfish or ipmi against the out-of-band interface of a machine.

Firmware

Firmware updates the firmware of the BIOS and the BMC of a machine.

Console

Console forwards the serial console access terminated in metal-console to the machine.