diskimage-builder/elements/ironic-discoverd-ramdisk/README.md

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ironic-discoverd [1] is a StackForge project for conducting hardware properties
discovery via booting a special discovery ramdisk and interrogating hardware
from within it.
This ramdisk collects hardware information from the machine
it's booted on and posts it to the URL provided via
kernel argument 'discoverd_callback_url'.
The hardware information collected by the ramdisk are:
* BMC IP address (may be required for associating with existing node in Ironic)
* CPU count and architecture
* Memory amount in MiB
* Hard drive size in GiB
* IP and mac addresses for all NICs except the loopback
The machine is halted at the end of the process.
[1] https://pypi.python.org/pypi/ironic-discoverd