[Gluster-infra] Access to Jenkins

[Niels de Vos]

On Wed, Jun 15, 2016 at 09:14:16PM +0530, Nigel Babu wrote:
> Hello folks,
> 
> We have 45 people who have access to Jenkins UI. Pretty much everyone will be
> losing this access in the next couple of weeks.
> 
> At the moment, I understand that access to the UI is essential for configuring
> jobs. I’m going to change this in the near future. Jenkins Job Builder[1] will
> talk to Jenkins to create/update jobs. Job information will be managed as a
> collection of yaml files. If you want a new job, you can give us a pull request
> with the correct format. The jobs will then be updated (probably via Jenkins).
> You will then no longer need access to Jenkins to create or manage jobs. In
> fact, editing the jobs in the UI will make the YAML files out of sync.
> 
> Before we start this process, I’d love to know if you use your Jenkins access.

Initially it was only possible to start regression tests by logging into
Jenkins and running the job manually. There were fewer patches and the
duration of the job was much shorter too.

Later on, we got more slaves and longer running regression tests.
Someone configured the Jenkins jobs to get triggered on each change that
was posted (now modified to only run after Verified=+1). This caused a
lot of weird side-effects, including tests failing more regularly for
unknown reasons. Retriggering a job was only possible by clicking the
"retrigger" link in the Jenkins webui (now we can do so with "recheck
..." in Gerrit comments).

Sometimes regression tests cause a fatal problem on a slave. The only
way to get the slave back, could be through a hard reboot. The reboot-vm
job in Jenkins made that possible. The job prevented people from
requiring a Rackspace account.

Release tarballs are created through Jenkins. Anyone doing releases
should have their own Jenkins account to run the job.

I think many of the maintainers should be able to run at least the
release job. Configuration of the jobs can be restricted, specially if
Jenkins Job Builder is used. Somewhere in the Contributors Guide there
should be a description on how to make changes to the Jenkins jobs. I've
never used JBB and definitely need some assistance with it.
  http://gluster.readthedocs.io/en/latest/Contributors-Guide/Index/

HTH,
Niels


> If you do use it, please let me know off-list what you use it for.
> 
> [1]: http://docs.openstack.org/infra/system-config/jjb.html
> 
> --
> nigelb
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