Re: [openstack-dev] [ironic] [tripleo] demo: node auto-discovery with one power button click

[Stig Telfer]

Hi Dmitry - 

> On 11 May 2017, at 15:56, Dmitry Tantsur  wrote:
> 
> Hi all!
> 
> While people are enjoying the Forum, I also have something to show.
> 
> I've got a lot of questions about auto-discovery, so I've recorded a demo
> of it using TripleO Ocata: https://www.youtube.com/watch?v=wJkDxxjL3NQ.
> 
> Please let me know what you think!
> 
> Dmitry

Thanks for doing this, much appreciated.  If anyone’s interested, we’ve been 
using this neat capability on bare metal deployments to good effect.

We hit some knock-on consequences as a result of not wasting tedious hours 
manually commissioning our BMCs.  Fiddly stuff, like how to automate assigning 
BMC config after inspection, when BMCs come out of the factory all assigned the 
same default IP...

My colleague Mark and I wrote up our experience and solutions here:

http://www.stackhpc.com/ironic-idrac-ztp.html 


Share and enjoy,
Stig

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Re: [openstack-dev] [ironic] [tripleo] demo: node auto-discovery with one power button click

[Dmitry Tantsur]

On 05/11/2017 07:28 PM, Jiri Tomasek wrote:



On 11.5.2017 16:56, Dmitry Tantsur wrote:

Hi all!

While people are enjoying the Forum, I also have something to show.

I've got a lot of questions about auto-discovery, so I've recorded a demo
of it using TripleO Ocata: https://www.youtube.com/watch?v=wJkDxxjL3NQ.

Please let me know what you think!

Dmitry

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Hi, thanks for interesting demo! I am wondering how does this compare to 
"Discover nodes, knowing IP range for their BMCs and the default IPMI 
credentials" blueprint [1].


These are essentially unrelated approaches to doing node discovery.



I really like the power of introspection rules. TripleO UI can nicely benefit 
from this, letting user provide rules to apply on introspection.


Regarding the autodiscovery use case, is it possible to somehow power up the 
machines using API? What if user does not know the $IPMI_HOST?


Well, this particular use case is about manual or not supported power. E.g. you 
press the button or you use some fancy proprietary CMDB.




Can we replace enabling autodiscovery option in undercloud with discovering 
nodes as defined in [1] which would return json resembling to instackenv.json 
file and register the nodes using this? Does it make sense?


Why replace, if we can have both? :)



Can Ironic-inspector send messages via zaqar to notify subscribers about 
starting the autodiscovery?


This is a good idea, and Ironic is essentially capable of it (as soon as you set 
up Zaqar to listen to oslo.messaging topic). Inspector is not, that would be a 
good RFE.




[1] https://blueprints.launchpad.net/tripleo/+spec/node-discovery-by-range

Thanks
-- Jirka

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Re: [openstack-dev] [ironic] [tripleo] demo: node auto-discovery with one power button click

[Jiri Tomasek]

On 11.5.2017 16:56, Dmitry Tantsur wrote:

Hi all!

While people are enjoying the Forum, I also have something to show.

I've got a lot of questions about auto-discovery, so I've recorded a demo
of it using TripleO Ocata: https://www.youtube.com/watch?v=wJkDxxjL3NQ.

Please let me know what you think!

Dmitry

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Hi, thanks for interesting demo! I am wondering how does this compare to 
"Discover nodes, knowing IP range for their BMCs and the default IPMI 
credentials" blueprint [1].


I really like the power of introspection rules. TripleO UI can nicely 
benefit from this, letting user provide rules to apply on introspection.


Regarding the autodiscovery use case, is it possible to somehow power up 
the machines using API? What if user does not know the $IPMI_HOST?


Can we replace enabling autodiscovery option in undercloud with 
discovering nodes as defined in [1] which would return json resembling 
to instackenv.json file and register the nodes using this? Does it make 
sense?


Can Ironic-inspector send messages via zaqar to notify subscribers about 
starting the autodiscovery?


[1] https://blueprints.launchpad.net/tripleo/+spec/node-discovery-by-range

Thanks
-- Jirka

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[openstack-dev] [ironic] [tripleo] demo: node auto-discovery with one power button click

[Dmitry Tantsur]

Hi all!

While people are enjoying the Forum, I also have something to show.

I've got a lot of questions about auto-discovery, so I've recorded a demo
of it using TripleO Ocata: https://www.youtube.com/watch?v=wJkDxxjL3NQ.

Please let me know what you think!

Dmitry

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