CR +2 events not triggering gate-and-submit pipeline in zuul
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	Legoktm
	Jul 21 2015, 10:25 PM

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Likely related to today's zuul upgrade. Commenting CR+2 is not triggering the gate-and-submit pipeline. Other pipelines appear to work fine.

Running zuul enqueue --trigger gerrit --pipeline gate-and-submit --project mediawiki/extensions/Echo --change 226227,1 on gallium worked properly, so this appears to be something in the gerrit trigger?

In the debug.log, I see

2015-07-21 21:24:08,188 DEBUG zuul.Scheduler: Adding trigger event: <TriggerEvent comment-added mediawiki/extensions/Echo master 226227,1 Code-Review:2>
...
2015-07-21 21:24:08,190 DEBUG zuul.DependentPipelineManager: Starting queue processor: gate-and-submit
2015-07-21 21:24:08,190 DEBUG zuul.DependentPipelineManager: Finished queue processor: gate-and-submit (changed: False)

...and then nothing happens.

Details

	Subject	Repo	Branch	Lines +/-
	Workaround Zuul normalizing approval fields	integration/config	master	+19 -1

Customize query in gerrit

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Mentioned In: rCICF369e6eb9f3ab: Workaround Zuul normalizing approval fields

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Legoktm created this task.Jul 21 2015, 10:25 PM

Legoktm assigned this task to hashar.

Legoktm raised the priority of this task from to Unbreak Now!.

Legoktm updated the task description. (Show Details)

Legoktm added a project: Continuous-Integration-Infrastructure.

Legoktm subscribed.

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJul 21 2015, 10:25 PM

@chasemp has downgraded zuul to 2.0.0-304-g685ca22-wmf1precise1 for now.

Thanks @chasemp for the revert . I should have been more careful in doing this upgrade.

That is an oddity in Zuul BaseFilter which uses a lower case version of the label description instead of the label type. Given an event having the approval:

{"type":"Code-Review","description":"Code-Review","value":"-1"}

Zuul normalizes the description field to lower case and replaces spaces with dashes. From zuul/model.py:

def normalizeCategory(name):
    name = name.lower()
    return re.sub(' ', '-', name)

Hence we have the normalized form:

>>> import zuul.model
>>> zuul.model.normalizeCategory('Code-Review')
'code-review'
>>>

In BaseFilter.matchesRequiredApprovals() the relevant code is:

if (normalizeCategory(approval['description']) != k or
    int(approval['value']) not in v):
    found_approval = False

In https://gerrit.wikimedia.org/r/#/c/226220/ I changed the case of all labels to fix another issue. That also changed the approval: field to be upper cased ( https://github.com/wikimedia/integration-config/blob/4e31d4a94297a49146fc186a9c4c8b6b6f9f47ac/zuul/layout.yaml#L448-L449 ) triggering this corner case.

So in our Zuul layout.yaml the approvals need to use the normalized description i.e. Code-Review -> code-review.

I have sent a documentation change to Zuul upstream at https://review.openstack.org/#/c/204499/ Needs a bit more work.

Change 226274 had a related patch set uploaded (by Hashar):
Workaround Zuul normalizing approval fields

https://gerrit.wikimedia.org/r/226274

gerritbot added a project: Patch-For-Review.Jul 22 2015, 9:20 AM

Change 226274 merged by jenkins-bot:
Workaround Zuul normalizing approval fields

https://gerrit.wikimedia.org/r/226274

hashar mentioned this in rCICF369e6eb9f3ab: Workaround Zuul normalizing approval fields.Jul 22 2015, 9:32 AM

I deployed the layout change https://gerrit.wikimedia.org/r/226274 and reupgraded Zuul to zuul_2.0.0-327-g3ebedde-wmf2precise1 using the deb from gallium.wikimedia.org/root

Gave it a try by crafting a dummy change against integration/config.git that fails the test. Removed jenkins-bot verified-1 and voted verified+2 / code-review+2 on https://gerrit.wikimedia.org/r/#/c/226275/

The change successfully entered the gate-and-submit pipeline and did trigger the jobs.

Sorry for the mess and again thank you very much to have handled the revert while I was shamelessly sleeping...

Resolved by https://gerrit.wikimedia.org/r/226274

CR +2 events not triggering gate-and-submit pipeline in zuulClosed, ResolvedPublicActions

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CR +2 events not triggering gate-and-submit pipeline in zuul
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