After 1.16 branching, we will be dropping Ruby 2.1 which is only needed for
Debian Jessie iirc.


On Wed, Aug 23, 2017 at 2:44 AM, Eric D Helms <[email protected]> wrote:

> I am beginning to look at updating some of our test infrastructure by
> re-writing Jenkins jobs into the pipeline plugin [1]. This is a new style,
> with a different way of both writing and thinking about how jobs are
> crafted. I've started this work by attempting to write jobs for both
> Foreman and Katello [2].
>
> The current test_develop job for Foreman (which runs after pull requests
> are merged) is a 4x3 matrix resulting in 12 different configurations
> running. They are:
>
>  ruby: 2.1, 2.2, 2.3, 3.4
>  databases: mysql, postgresql, sqlite3
>
> I would like to propose the following:
>
>  1) We drop sqlite3 entirely
>  2) We test all rubies on postgresql only
>  3) We pick the most widely used Ruby version and test mysql with that
>
> This would effectively reduce the number of test runs in the matrix to 5
> which should in theory increase throughput of testing and keep things
> focused on the most important pieces to test. Further, sqlite3 is not a
> production database so I feel it not worth the resources (but it would only
> add one more job to keep it). I also don't see how Ruby version should
> affect database choice and thus find no reason to run the full matrix
> across all rubies for Mysql.
>
> From what I think I know, of the Rubies:
>
>  2.2 -- used in RPM production
>  2.1, 2.3, 2.4 -- used by Debian production
>
> [1] https://jenkins.io/doc/book/pipeline/
> [2] https://github.com/theforeman/foreman-infra/pull/321
>
> --
> Eric D. Helms
> Red Hat Engineering
>
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-- 
Have a nice day,
Tomer Brisker
Red Hat Engineering

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