[openstack-dev] [fuel] API changes for Nailgun openstack config

[Alexander Saprykin]

Hi all,

Please be informed that in accordance to bug [1] openstack config API will
support bulk operations for 9.0 release. 'node_id' integer parameter is
replaced by 'node_ids' list in all related handlers.

* URL query parameter in GET /openstack-config/
* POST /openstack-config/
* PUT /openstack-config/execute/

'node_id' parameter will be deprecated since Fuel 9.0 and will be removed
in 10.
API change is introduced in patch [2].

[1]: https://launchpad.net/bugs/1558561
[2]: https://review.openstack.org/#/c/296646/10

-- 
Best regards,
Alexander Saprykin
Skype: cutwatercore
IRC: #asaprykin
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Re: [openstack-dev] [Fuel] Rewriting nailgun agent on Python proposal

[Alexander Saprykin]

Dear all,

Thank you for the opinions about this problem.

I would agree with Roman, that it is always better to reuse solutions than
re-inventing the wheel. We should investigate possibility of using
ironic-inspector and integrating it into fuel.

Best regards,
Alexander Saprykin

2016-03-15 13:03 GMT+01:00 Sergii Golovatiuk <sgolovat...@mirantis.com>:

> My strong +1 to drop off nailgun-agent completely in favour of
> ironic-inspector. Even taking into consideration we'lll need to
> extend  ironic-inspector for fuel needs.
>
> --
> Best regards,
> Sergii Golovatiuk,
> Skype #golserge
> IRC #holser
>
> On Tue, Mar 15, 2016 at 11:06 AM, Roman Prykhodchenko <m...@romcheg.me>
> wrote:
>
>> My opition on this is that we have too many re-invented wheels in Fuel
>> and it’s better think about replacing them with something we can re-use
>> than re-inventing them one more time.
>>
>> Let’s take a look at Ironic and try to figure out how we can use its
>> features for the same purpose.
>>
>>
>> - romcheg
>> > 15 бер. 2016 р. о 10:38 Neil Jerram <neil.jer...@metaswitch.com>
>> написав(ла):
>> >
>> > On 15/03/16 07:11, Vladimir Kozhukalov wrote:
>> >> Alexander,
>> >>
>> >> We have many other places where use Ruby (astute, puppet custom types,
>> >> etc.). I don't think it is a good reason to re-write something just
>> >> because it is written in Ruby. You are right about tests, about
>> plugins,
>> >> but let's look around. Ironic community has already invented discovery
>> >> component (btw written in python) and I can't see any reason why we
>> >> should continue putting efforts in nailgun agent and not try to switch
>> >> to ironic-inspector.
>> >
>> > +1 in general terms.  It's strange to me that there are so many
>> > OpenStack deployment systems that each do each piece of the puzzle in
>> > their own way (Fuel, Foreman, MAAS/Juju etc.) - and which also means
>> > that I need substantial separate learning in order to use all these
>> > systems.  It would be great to see some consolidation.
>> >
>> > Regards,
>> >   Neil
>> >
>> >
>> >
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[openstack-dev] [Fuel] Rewriting nailgun agent on Python proposal

[Alexander Saprykin]

Hi,

We have fuel-nailgun-agent project which was initially written on Ruby. It
is 900 lines of code single script, that collects and provides to the
nailgun information about node's hardware.

In the past several iteration we had to introduce new modifications to that
script we discovered couple of major problems with it.

1. Most of our software engineers are Python programmers and it's quite
complicated to add new features. We have or to write ugly ruby code or to
wait for somebody who knows it to write it.

2. Nailgun agent doesn't have tests. At all.

3. It would be good to have a plugins support in the nailgun agent. In case
if customer wants to collect any extra information about nodes that can be
used in fuel plugins.

Possible obstacles:

Nailgun agent depends from Ruby library called *ohai* which provides
hardware information.

Our proposal is to:

1. Rewrite fuel nailgun agent to Python.

2. Add proper unit tests.

3. Ohai library can be used as CLI tool or it can be replaced with pure
python solution (to be investigated)

4. Nailgun agent can be extended with plugins based on steevedore.


Best regards,
Alexander Saprykin
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