[llvm-dev] [cfe-dev] [lldb-dev] RFC: Using GitHub Actions for CI testing on the release/* branches

[Tom Stellard via llvm-dev]

On 11/12/2019 10:03 AM, Jonas Devlieghere wrote:
> Hey Tom,
> 
> That sounds really useful. Would it be possible to include LLDB as
> well? We have a subset of tests (unit & lit) that can be run without
> Python/SWIG by passing LLDB_DISABLE_PYTHON=ON to CMake.
> 

I can try to add an lldb builder.  Would you be able to provide me
with the cmake arguments plus a check target where all tests are expected
to pass?

Thanks,
Tom

> Thanks,
> Jonas
> 
> On Tue, Nov 12, 2019 at 2:35 AM Hans Wennborg via cfe-dev
> <cfe-dev at lists.llvm.org> wrote:
>>
>> On Tue, Nov 12, 2019 at 1:32 AM Tom Stellard via lldb-dev
>> <lldb-dev at lists.llvm.org> wrote:
>>>
>>> Hi,
>>>
>>> I would like to start using GitHub Actions[1] for CI testing on the release/*
>>> branches.  As far as I know we don't have any buildbots listening to the
>>> release branches, and I think GitHub Actions are a good way for us to quickly
>>> bring-up some CI jobs there.
>>>
>>> My proposal is to start by adding two post-commit CI jobs to the release/9.x branch.
>>> One for building and testing (ninja checka-all) llvm/clang/lld on Linux,
>>> Windows, and Mac, and another for detecting ABI changes since the 9.0.0 release.
>>>
>>> I have already implemented these two CI jobs in my llvm-project fork on GitHub[2][3],
>>> but in order to get these running in the main repository, I would need to:
>>>
>>> 1. Create a new repository in the LLVM organization called 'actions' for storing some custom
>>> builds steps for our CI jobs (see [4]).
>>> 2. Commit yaml CI definitions to the .github/workflows directory in the release/9.x
>>> branch.
>>>
>>> In the future, I would also like to add buil and tests jobs for other sub-projects
>>> once I am able to get those working.
>>>
>>> In addition to being used for post-commit testing, having these CI definitions in the
>>> main tree will make it easier for me (or anyone) to do pre-commit testing for the
>>> release branch in a personal fork.  It will also allow me to experiment with some new
>>> workflows to help make managing the releases much easier.
>>>
>>> I think this will be a good way to test Actions in a low traffic environment to
>>> see if they are something we would want to use for CI on the master branch.
>>>
>>> Given that we are close to the end of the 9.0.1 cycle, unless there are any
>>> strong objections, I would like to get this enabled by Mon Nov 18, to maximize its
>>> usefulness.  Let me know what you think.
>>>
>>> Thanks,
>>> Tom
>>>
>>> [1] https://github.com/features/actions
>>> [2] https://github.com/tstellar/llvm-project/commit/952d80e8509ecc95797b2ddbf1af40abad2dcf4e/checks?check_suite_id=305765621
>>> [3] https://github.com/tstellar/llvm-project/commit/6d74f1b81632ef081dffa1e0c0434f47d4954423/checks?check_suite_id=303074176
>>> [4] https://github.com/tstellar/actions
>>
>> Sounds great to me!
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