[openstack-dev] [nova][neutron][cinder] Averting the Nova crisis by splitting out virt drivers

Davanum Srinivas davanum at gmail.com
Thu Sep 11 14:22:28 UTC 2014


Rados,

personally, i'd want a human to do the +W. Also the critieria would
include a 3) which is the CI for the driver if applicable.

On Thu, Sep 11, 2014 at 9:53 AM, Radoslav Gerganov <rgerganov at vmware.com> wrote:
> On 09/11/2014 04:30 PM, Sean Dague wrote:
>>
>> On 09/11/2014 09:09 AM, Gary Kotton wrote:
>>>
>>>
>>>
>>> On 9/11/14, 2:55 PM, "Thierry Carrez" <thierry at openstack.org> wrote:
>>>
>>>> Sean Dague wrote:
>>>>>
>>>>> [...]
>>>>> Why don't we start with "let's clean up the virt interface and make it
>>>>> more sane", as I don't think there is any disagreement there. If it's
>>>>> going to take a cycle, it's going to take a cycle anyway (it will
>>>>> probably take 2 cycles, realistically, we always underestimate these
>>>>> things, remember when no-db-compute was going to be 1 cycle?). I don't
>>>>> see the need to actually decide here and now that the split is clearly
>>>>> at least 7 - 12 months away. A lot happens in the intervening time.
>>>>
>>>>
>>>> Yes, that sounds like the logical next step. We can't split drivers
>>>> without first doing that anyway. I still think "people need smaller
>>>> areas of work", as Vish eloquently put it. I still hope that refactoring
>>>> our test architecture will let us reach the same level of quality with
>>>> only a fraction of the tests being run at the gate, which should address
>>>> most of the harm you see in adding additional repositories. But I agree
>>>> there is little point in discussing splitting virt drivers (or anything
>>>> else, really) until the internal interface below that potential split is
>>>> fully cleaned up and it becomes an option.
>>>
>>>
>>> How about we start to try and patch gerrit to provide +2 permissions for
>>> people
>>> Who can be assigned Œdriver core¹ status. This is something that is
>>> relevant to Nova and Neutron and I guess Cinder too.
>>
>>
>> If you think that's the right solution, I'd say go and investigate it
>> with folks that understand enough gerrit internals to be able to figure
>> out how hard it would be. Start a conversation in #openstack-infra to
>> explore it.
>>
>> My expectation is that there is more complexity there than you give it
>> credit for. That being said one of the biggest limitations we've had on
>> gerrit changes is we've effectively only got one community member, Kai,
>> who does any of that. If other people, or teams, were willing to dig in
>> and own things like this, that might be really helpful.
>
>
> I don't think we need to modify gerrit to support this functionality. We can
> simply have a gerrit job (similar to the existing CI jobs) which is run on
> every patch set and checks if:
> 1) the changes are only under /nova/virt/XYZ and /nova/tests/virt/XYZ
> 2) it has two +1 from maintainers of driver XYZ
>
> if the above conditions are met, the job will post W+1 for this patchset.
> Does that make sense?
>
>
>
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-- 
Davanum Srinivas :: http://davanum.wordpress.com



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