openstack ironic project summary, february 2014

OpenStack's Baremetal provisioning service

Devananda van der VeenHP Cloud

Twitter: @devanandaEmail: devananda.vdv@gmail.com

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

$ cat /etc/nova/nova.conf…

compute_driver = BareMetalDriver

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Nova changes

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Nova changes

→ second database backend

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Nova changes

→ second database backend→ incompatible scheduler

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Nova changes

→ second database backend→ incompatible scheduler→ extra service

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Very promising, but ...

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Also very limited.

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Also very limited.

→ HA is external

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Also very limited.

→ HA is external→ only one driver per region

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Also very limited.

→ HA is external→ only one driver per region→ progress blocked

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

So...

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Ironic™

commit 84a7dc47e2f666ff11b5816387b7ada2371e48c2Author: Monty Taylor <mordred@inaugust.com>Date: Thu May 2 14:50:57 2013 -0400

Added project infrastructure needs.

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Time goes by...

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Openstack is not a virtualization layer.It's an abstraction layer.

- Daniel Sabbah, CTO @ IBM

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

nova-api“nova boot ...”

nova-scheduler

nova-compute

neutronglance

hypervisors(libvirt, xen, etc)

etc

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

nova-api

ironic-api

“nova boot ...”

nova-scheduler

nova-compute

neutron

glance

ironic-conductor

drivers

cinder, swift, ...

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

1 2 3 ...

API services

DBConductor service(s)

REST

RPC

admin

only!

chassis:optional grouping

nodes:status & metadata

ports:mac address

conductors:heartbeatdriver list

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

rpc_thread_pool worker_thread_pool

requestTaskManager()- loads driver- locks Node

validate request

spawn worker

202 Accepted work...

update node status

return to pool

wake up

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

./api/controllers/v1/           # V1 API   {chassis,driver,node,port}   # main objects./cmd/*                         # cmdline wrappers./common/*                      # common utils./conductor/manager.py          # main service./conductor/rpcapi.py           # RPC API./db/sqlalchemy/*               # DB stuff./drivers/                      # driver API  ./modules/{pxe,ipmitool,ssh}  # driver modules./objects/*                     # Nova RPC objects./openstack/common/*            # Oslo./tests/*                       # Unit tests

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Driver Interface

→ three classes of interface → core → common → vendor

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Current Drivers

→ PXE→ IPMI→ SSH

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Proposed Drivers

→ HP iLO & 3par→ AMD SeaMicro

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Node locking via TaskManager()

→ all actions on Node guarded by mutex→ driver loading happens in same context→ lock backed by DB // sync'd across Conductors

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Testing locally

→ Emulate hardware with VMs→ OpenVSwitch & local net bridge→ Devstack || TripleO

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Questions?

© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Thank you

https://launchpad.net/ironichttps://github.com/openstack/ironic

irc.freenode.net#openstack-ironic#tripleo