RFR: 8253424: Add support for running pre-submit testing using GitHub Actions [v5]

[Erik Joelsson]

On Fri, 25 Sep 2020 13:10:01 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

>> A few days ago I posted an initial version of the necessary configuration required to run pre-submit build and tests
>> for JDK main-line contributions using GitHub Actions [2] and the free tier [3] available to everyone working with open
>> source repositories. I've incorporated the feedback into an updated version that I believe is ready to be integrated.
>> If this is integrated into the `master` branch, future branches created and updated in personal forks will build and
>> run the basic tier 1 tests as described in this configuration, on Linux, Windows and macOS (all on x64). It's of course
>> possible for any contributor to opt out fully or partially of these automatic runs in a few different ways.  To opt out
>> completely, a contributor can simply disable GitHub Actions on their personal fork, and no further jobs will be
>> executed. Another option is to add a repository secret [4] with the name `JDK_SUBMIT_FILTER` set to any value. If this
>> is set, only branches prefixed with `submit/` will be subject to automatic build and test. This can also be further
>> refined by adding a repository secret named `JDK_SUBMIT_PLATFORMS` with a value such as `Linux x64, Windows x64` to
>> limit automatic build and test to these two platforms. It will still be possible to run the tests on any branch and/or
>> platform by manually triggering the workflow.  To see what this looks like in practice, an example run can be found
>> here: https://github.com/rwestberg/jdk/actions/runs/265131985 (note that there is currently a failing test on Windows
>> which is tracked by JDK-8249095, which should probably be resolved before this change is integrated).  Best regards,
>> Robin  [1] https://mail.openjdk.java.net/pipermail/jdk-dev/2020-September/004736.html [2]
>> https://github.com/features/actions [3]
>> https://docs.github.com/en/actions/getting-started-with-github-actions/about-github-actions#usage-limits [4]
>> https://docs.github.com/en/actions/reference/encrypted-secrets
>
> Robin Westberg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Avoid persisting transient artifacts, combine all test results into a final bundle

Marked as reviewed by erikj (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/284