Open Stack

Hello,

yup, this did help. It would be great if I could just pip install the working version of zuul to my build hosts.

Regards
Damian

From: Joshua Hesketh [mailto:joshua.hesketh at gmail.com]
Sent: Friday, September 23, 2016 3:30 PM
To: openstack-infra at lists.openstack.org
Subject: [OpenStack-Infra] Fwd: Zuul-Cloner failing with missing origin/HEAD

I accidentally didn't reply-all. Forwarding this now for the record.

Apparently this has helped Damian. Perhaps we should cut a minor release of zuul?

Cheers,
Josh

---------- Forwarded message ----------
From: Joshua Hesketh <joshua.hesketh at gmail.com<mailto:joshua.hesketh at gmail.com>>
Date: Fri, Sep 23, 2016 at 12:47 PM
Subject: Re: [OpenStack-Infra] Zuul-Cloner failing with missing origin/HEAD
To: "Philipp, Damian" <Damian.Philipp at vector.com<mailto:Damian.Philipp at vector.com>>

Hey Damian,

So I think https://review.openstack.org/#/c/362049/7 might fix your issue. Have you tried installing zuul from source to see if that fixes your problem?

If so, maybe we should do a minor release.

Cheers,
Josh

On Fri, Sep 23, 2016 at 10:05 AM, Philipp, Damian <Damian.Philipp at vector.com<mailto:Damian.Philipp at vector.com>> wrote:
Hello OpenStack Experts,

I am trying to set up a Gating system using Gerrit, Jenkins, and Zuul (2.5.0 installed using PIP on Debian 8). I managed to get zuul-server, zuul-merger and Jenkins up and running. However, I am facing problems when Jenkins executes zuul-cloner as part of a build.

In short: zuul-cloner attempts to use 'origin/HEAD', which is present in the repository that zuul-merger prepared on its machine (Hostname "zuulserver"), but which does *not* exist in the repository that zuul-cloner created on the build slave. Zuul-cloner crashes and aborts the build with an error. Google does not provide any insight on the error message. What am I missing?

Long form: When I run a new build job, Jenkins starts zuul-cloner to prepare the workspace. Here is the relevant line from the Job configuration:

  zuul-cloner http://zuulserver:8822/p $ZUUL_PROJECT

 From this run, I get the following log:

INFO:zuul.CloneMapper:Workspace path set to: /var/jenkins_home/workspace/myjob
INFO:zuul.CloneMapper:Mapping projects to workspace...
INFO:zuul.CloneMapper:  fancyproject -> /var/jenkins_home/workspace/myjob/fancyproject
INFO:zuul.CloneMapper:Expansion completed.
INFO:zuul.Cloner:Preparing 1 repositories
INFO:zuul.Cloner:Creating repo fancyproject from upstream http://zuulserver:8822/p/fancyproject
Traceback (most recent call last):
  File "/usr/local/bin/zuul-cloner", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/zuul/cmd/cloner.py", line 162, in main
    cloner.main()
  File "/usr/local/lib/python2.7/dist-packages/zuul/cmd/cloner.py", line 157, in main
    cloner.execute()
  File "/usr/local/lib/python2.7/dist-packages/zuul/lib/cloner.py", line 74, in execute
    self.prepareRepo(project, dest)
  File "/usr/local/lib/python2.7/dist-packages/zuul/lib/cloner.py", line 156, in prepareRepo
    repo.reset()
  File "/usr/local/lib/python2.7/dist-packages/zuul/merger/merger.py", line 99, in reset
    repo.head.reference = origin.refs['HEAD']
  File "/usr/local/lib/python2.7/dist-packages/git/util.py", line 706, in __getitem__
    raise IndexError("No item found with id %r" % (self._prefix + index))
IndexError: No item found with id u'origin/HEAD'
Build step 'Execute shell' marked build as failure

Cloning the repository actually worked, i.e., I can see the repo including the change to be tested in the Jenkins workspace on the build slave. I can then run "git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/master" in the repository created by zuul-cloner. When I then trigger my change in Gerrit again, the next build run will commence past the call to zuul-cloner. However, manually fixing *every* repository for *every* build job on *every* build slave does not appear to be a viable option. Am I missing something? Is this possibly a bug in Zuul? Googling the error message turns up a couple of commits, but nothing that provides any actual insight.

I apologize if I picked the wrong mailing list for this kind of question. In this case, please direct me to a more appropriate plaace.

Best regards
Damian Philipp
-----------------------------------------------------
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RDE1

Vector Informatik GmbH
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Tel.: +49 711 80670-3656<tel:%2B49%20711%2080670-3656>
Fax: +49 711 80670-399<tel:%2B49%20711%2080670-399>
mailto: Damian.Philipp at vector.com<mailto:Damian.Philipp at vector.com>
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