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.

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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.

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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


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