[openstack-dev] Learning to Debug the Gate

Davanum Srinivas davanum at gmail.com
Tue Nov 10 15:54:41 UTC 2015


Took about 35 mins or so :)

-- Dims

On Tue, Nov 10, 2015 at 10:45 AM, Matt Riedemann
<mriedem at linux.vnet.ibm.com> wrote:
>
>
> On 11/9/2015 3:54 PM, Anita Kuno wrote:
>>
>> On 11/05/2015 07:45 PM, Anita Kuno wrote:
>>>
>>> On 11/03/2015 05:30 PM, Anita Kuno wrote:
>>>>
>>>> On 11/02/2015 12:39 PM, Anita Kuno wrote:
>>>>>
>>>>> On 10/29/2015 10:42 PM, Anita Kuno wrote:
>>>>>>
>>>>>> On 10/29/2015 08:27 AM, Anita Kuno wrote:
>>>>>>>
>>>>>>> On 10/28/2015 12:14 AM, Matt Riedemann wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On 10/27/2015 4:08 AM, Anita Kuno wrote:
>>>>>>>>>
>>>>>>>>> Learning how to debug the gate was identified as a theme at the
>>>>>>>>> "Establish Key Themes for the Mitaka Cycle" cross-project session:
>>>>>>>>> https://etherpad.openstack.org/p/mitaka-crossproject-themes
>>>>>>>>>
>>>>>>>>> I agreed to take on this item and facilitate the process.
>>>>>>>>>
>>>>>>>>> Part one of the conversation includes referencing this video
>>>>>>>>> created by
>>>>>>>>> Sean Dague and Dan Smith:
>>>>>>>>> https://www.youtube.com/watch?v=fowBDdLGBlU
>>>>>>>>>
>>>>>>>>> Please consume this as you are able.
>>>>>>>>>
>>>>>>>>> Other suggestions for how to build on this resource were mentioned
>>>>>>>>> and
>>>>>>>>> will be coming in the future but this was an easy, actionable first
>>>>>>>>> step.
>>>>>>>>>
>>>>>>>>> Thank you,
>>>>>>>>> Anita.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> __________________________________________________________________________
>>>>>>>>>
>>>>>>>>> OpenStack Development Mailing List (not for usage questions)
>>>>>>>>> Unsubscribe:
>>>>>>>>> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>>>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> https://www.openstack.org/summit/vancouver-2015/summit-videos/presentation/tales-from-the-gate-how-debugging-the-gate-helps-your-enterprise
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> The source for the definition of "the gate":
>>>>>>>
>>>>>>> http://git.openstack.org/cgit/openstack-infra/project-config/tree/zuul/layout.yaml#n34
>>>>>>>
>>>>>>> Thanks for following along,
>>>>>>> Anita.
>>>>>>>
>>>>>>
>>>>>> This is the status page showing the status of our running jobs,
>>>>>> including patches in the gate pipeline:
>>>>>> http://status.openstack.org/zuul/
>>>>>>
>>>>>> Thank you,
>>>>>> Anita.
>>>>>>
>>>>>
>>>>> This is a simulation of how the gate tests patches:
>>>>> http://docs.openstack.org/infra/publications/zuul/#%2818%29
>>>>>
>>>>> Click in the browser window to advance the simulation.
>>>>>
>>>>> Thank you,
>>>>> Anita.
>>>>>
>>>>
>>>> Here is a presentation that uses the slide deck linked above, I
>>>> recommend watching: https://www.youtube.com/watch?v=WDoSCGPiFDQ
>>>>
>>>> Thank you,
>>>> Anita.
>>>>
>>>
>>> Three links in this edition of Learning to Debug the Gate:
>>>
>>> The view that tracks our top bugs:
>>> http://status.openstack.org/elastic-recheck/
>>>
>>> The logstash queries that create the above view:
>>>
>>> http://git.openstack.org/cgit/openstack-infra/elastic-recheck/tree/queries
>>>
>>> Logstash itself, where you too can practice creating queries:
>>> http://logstash.openstack.org
>>>
>>> Note: in logstash the query is the transferable piece of information.
>>> Filters can help you create a query, they do not populate a query. The
>>> information that is in the query bar is what is important here.
>>>
>>> Practice making some queries of your own.
>>>
>>> Thanks for reading,
>>> Anita.
>>>
>>
>> Today the elastic search cluster was upgraded to 1.7.3:
>>
>> http://lists.openstack.org/pipermail/openstack-dev/2015-November/078314.html
>>
>> Go over the 1.7 elastic search docs:
>> https://www.elastic.co/guide/en/elasticsearch/reference/1.7/index.html
>> and try a few queries.
>>
>> Thanks for following along,
>> Anita.
>>
>> __________________________________________________________________________
>> OpenStack Development Mailing List (not for usage questions)
>> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>
>
> If you want a fun little play by play of a critical blocking gate issue for
> nova, it's in the nova irc logs starting here:
>
> http://eavesdrop.openstack.org/irclogs/%23openstack-nova/%23openstack-nova.2015-11-10.log.html#t2015-11-10T14:59:27
>
> Which led to a block of oslo.messaging 2.8.0 in g-r and a revert in the o.m
> repo. The point isn't the outcome, but the process in which we figured out
> what the regression was and quickly resolved it using logstash and seeing
> what recent dependent library releases impacted nova.
>
> --
>
> Thanks,
>
> Matt Riedemann
>
>
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev



-- 
Davanum Srinivas :: https://twitter.com/dims



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