[hibernate-dev] ci.hibernate resource locks configuration

[Gunnar Morling]

Could we alternatively avoid the conflict by using different ports for
different jobs (if that's the contended resource), e.g. by leveraging the
Jenkins port allocator plug-in [1]?

This plug-in selects unique port numbers and makes them available to a job
run as environment variable from where it e.g. could be fed to Arquillian.

--Gunnar

[1] https://wiki.jenkins-ci.org/display/JENKINS/Port+Allocator+Plugin


2013/7/30 Sanne Grinovero <sanne at hibernate.org>

> Hi all,
> I am enabling the "resources lock exclusion" plugin: this allows to
> specify - using a string - a resource that a specific build requires
> for exclusive access, preventing parallel execution of multiple builds
> using the same resource.
>
> I'm enabling two resources specifically:
>  - JGROUPS
>  - JBOSSAS
> (literally)
>
> Please keep that in mind when
>  a) creating new jobs
>  b) adding new tests using any such resource in a project which doesn't
> have any
>
> For example, Hibernate Search includes some tests which create a
> JGroups communication channel - either explicitly or by using
> Infinispan - and if another build was run at the same time they would
> fail as JGroups would automatically connect to the other running test,
> setting up an unpredictable state.
> So by enabling "JGROUPS" as a required exclusive resource, if any
> other project needing the same could declare the same resource usage
> we can prevent them to be run in parallel.
>
> JBOSSAS is defined by projects using Arquillian; I enabled it only on
> OGM and Search: any more needing it?
>
> The good aspect is that by doing so I can re-enable parallel execution
> and Jenkins should figure out which builds it is allowed to run
> instead, without wasting CI time.
>
> Side effects: expects several fail reports in the coming hours, as I
> *thought* I got it right but actually made a mistake, triggering many
> parallel builds :-)
>
> Sanne
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