Open Stack

Guys,

Sorry for missing the meeting today. Thanks for the detailed summary/ logs. I am cool with the action item : #action sriram to update the Orchestration session proposal. This is my understanding the logs of things to be updated in the blueprint:

1) orchestration service provides state management with client side APIs
2) add API design and state storage as topics for the orchestration session at the Summit
3) add implementation plan as session topic 

Please correct me if I missed anything.

Just to bring everyone to same page, here are the new links

Folsom BluePrint:  https://blueprints.launchpad.net/nova/+spec/nova-orchestration
Folsom Session proposal:  https://blueprints.launchpad.net/nova/+spec/nova-orchestration
Wiki: http://wiki.openstack.org/NovaOrchestration (I will clean this up tonight)

Maoy: Sandy's pointers are in this email thread (which n0ano meant to fwd you)
Mikeyp: Moving the conversation to the main mailing list per your suggestion

Thanks,
_Sriram

-----Original Message-----
From: Dugger, Donald D [mailto:donald.d.dugger at intel.com] 
Sent: Thursday, March 29, 2012 12:52 PM
To: Sriram Subramanian; Sandy Walsh
Cc: Michael Pittaro (mikeyp at lahondaresearch.org)
Subject: RE: [Nova-orchestration] Thoughts on Orchestration (was Re: Documentation on Caching)

NP, I'll be on the IRC for whoever wants to talk.  Maybe we can try and do the sync you want via email, that's always been my favorite way to communicate (it allows you to focus thoughts and deals with timezones nicely).

--
Don Dugger
"Censeo Toto nos in Kansa esse decisse." - D. Gale
Ph: 303/443-3786


-----Original Message-----
From: Sriram Subramanian [mailto:sriram at computenext.com]
Sent: Thursday, March 29, 2012 1:45 PM
To: Sriram Subramanian; Sandy Walsh
Cc: Dugger, Donald D; Michael Pittaro (mikeyp at lahondaresearch.org)
Subject: RE: [Nova-orchestration] Thoughts on Orchestration (was Re: Documentation on Caching)

I will most likely be running little late from my 12 - 1 meeting which doesn't seem to be ending anytime now :(

I haven't gotten a chance to submit a branch yet. Hopefully by this week end (at least a bare bones)

If you are available for offline sync later this week - I would appreciate that. Apologies for possibly missing the sync.

Thanks,
-Sriram
 
-----Original Message-----
From: nova-orchestration-bounces+sriram=computenext.com at lists.launchpad.net [mailto:nova-orchestration-bounces+sriram=computenext.com at lists.launchpad.net] On Behalf Of Sriram Subramanian
Sent: Wednesday, March 28, 2012 2:44 PM
To: Sandy Walsh
Cc: nova-orchestration at lists.launchpad.net
Subject: Re: [Nova-orchestration] Thoughts on Orchestration (was Re: Documentation on Caching)

Thanks for the pointers Sandy. I will try to spend some cycles on the branch per your suggestion; we will also discuss more tomorrow. 

Yes, BP is not far off from last summit, and would like to flush out more for this summit. 

Thanks,
-Sriram

-----Original Message-----
From: Sandy Walsh [mailto:sandy.walsh at rackspace.com]
Sent: Wednesday, March 28, 2012 11:31 AM
To: Sriram Subramanian
Cc: Michael Pittaro; Dugger, Donald D (donald.d.dugger at intel.com); nova-orchestration at lists.launchpad.net
Subject: Thoughts on Orchestration (was Re: Documentation on Caching)

Ah, gotcha.

I don't think the caching stuff will really affect the Orchestration layer all that much. Certainly the Cells stuff that comstud is working on should be considered.

The BP isn't really too far off from what we discussed last summit.
Although I would give more consideration to the stuff Redhat is thinking about and some of the efforts by HP and IBM with respect to scheduling (mostly HPC stuff). Unifying and/or understanding those efforts would be important.

That said, as with all things OpenStack, code speaks louder than words.
The best way to solicit input on an idea is to submit a branch. That's the approach I'd take now if I had the cycles to put back into Orch. I'd likely build something on top of Amazon Workflow services (in such a way as it could be ripped out later) http://aws.amazon.com/swf/ The replacement could be a new OS Service with SWF as the api template.

What I've been thinking about lately has been how to make a proof of concept operate with trunk side-by-side without busting the existing stuff. Tricky. Orchestration touches a lot of stuff. The error handling is OS could be an issue and unifying the 3 Enum State Machine on Instance could be nasty (Power, Virt & Task).

I know Ziad is playing around with SpiffWorkflow so perhaps he might have some fresh insights?

Hope it helps! Nice to see an effort still going on here. I think it's an important project!

-S


On 03/28/2012 03:08 PM, Sriram Subramanian wrote:
> Hi Sandy,
> 
>  We wanted to understand the scheduler improvements in Essex so that we can update Orchestration blueprint for Folsom. We also wanted to identify the gaps in the current bp so that we can address them.
> 
> Towards the understanding, Mike and Don suggested during last Thursday's call that we understand the caching/ scheduler improvements and be prepared for this week's call.
> 
> Any pointers towards getting the Orchestration proposal right is appreciated.
> 
> Thanks,
> -Sriram
> 
> -----Original Message-----
> From: Sandy Walsh [mailto:sandy.walsh at RACKSPACE.COM]
> Sent: Wednesday, March 28, 2012 4:40 AM
> To: Sriram Subramanian; Michael Pittaro; Dugger, Donald D
> (donald.d.dugger at intel.com)
> Cc: nova-orchestration at lists.launchpad.net
> Subject: RE: Documentation on Caching
> 
> Hi Sriram,
> 
> What specifically are you looking for on Caching (and how would it apply to Orchestration)?
> 
> -S
> 
> ________________________________________
> From: Sriram Subramanian [sriram at computenext.com]
> Sent: Tuesday, March 27, 2012 3:16 PM
> To: Michael Pittaro; Dugger, Donald D (donald.d.dugger at intel.com); 
> Sandy Walsh
> Cc: nova-orchestration at lists.launchpad.net
> Subject: Documentation on Caching
> 
> <Hope I am reaching the correct Michael>
> 
> Michael - can you please point us to the updated documentation on cachig (as per our meeting last Thursday), so that we can come prepared this Thursday.
> 
> Thanks,
> -Sriram
> 
> 
> 
> 
> 
> 



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