forked from OSchip/llvm-project
68 lines
2.4 KiB
ReStructuredText
68 lines
2.4 KiB
ReStructuredText
.. _AddingNewCIJobs:
|
|
|
|
==================
|
|
Adding New CI Jobs
|
|
==================
|
|
|
|
.. contents::
|
|
:local:
|
|
|
|
Adding The Job
|
|
==============
|
|
|
|
libc++ uses Buildkite for running its CI. Setting up new CI jobs is easy, and
|
|
these jobs can run either on our existing infrastructure, or on your own.
|
|
|
|
If you need to run the job on your own machines, please follow the
|
|
`Buildkite guide <https://buildkite.com/docs/agent/v3>`_ to setup your
|
|
own agents. Make sure you tag your agents in a way that you'll be able
|
|
to recognize them when defining your job below. Finally, in order for the
|
|
agent to register itself to Buildkite, it will need a ``BUILDKITE_AGENT_TOKEN``.
|
|
Please contact a maintainer to get your token.
|
|
|
|
Then, simply add a job to the Buildkite pipeline by editing ``libcxx/utils/ci/buildkite-pipeline.yml``.
|
|
Take a look at how the surrounding jobs are defined and do something similar.
|
|
An example of a job definition is:
|
|
|
|
.. code-block:: yaml
|
|
|
|
- label: "C++11"
|
|
command: "libcxx/utils/ci/run-buildbot generic-cxx11"
|
|
artifact_paths:
|
|
- "**/test-results.xml"
|
|
agents:
|
|
queue: "libcxx-builders"
|
|
retry:
|
|
automatic:
|
|
- exit_status: -1 # Agent was lost
|
|
limit: 2
|
|
|
|
If you've created your own agents, you should provide the tag that you used
|
|
when creating them in the ``queue`` entry -- this will instruct Buildkite to
|
|
run that job only on agents that have that tag.
|
|
|
|
We try to keep the pipeline definition file as simple as possible, and to
|
|
keep any script used for CI inside ``libcxx/utils/ci``. This ensures that
|
|
it's possible to reproduce CI issues locally with ease, understanding of
|
|
course that some setups may require access to special hardware that is not
|
|
available.
|
|
|
|
Testing Your New Job
|
|
====================
|
|
|
|
Testing your new job is easy -- once your agent is set up (if any), just open
|
|
a code review and the libc++ CI pipeline will run, including any changes you
|
|
might have made to the pipeline definition itself.
|
|
|
|
Service Level Agreement
|
|
=======================
|
|
|
|
To keep the libc++ CI useful for everyone, we aim for a quick turnaround time
|
|
for all CI jobs. This allows the overall pipeline to finish in a reasonable
|
|
amount of time, which is important because it directly affects our development
|
|
velocity. We also try to make sure that jobs run on reliable infrastructure in
|
|
order to avoid flaky failures, which reduce the value of CI for everyone.
|
|
|
|
We may be reluctant to add and support CI jobs that take a long time to finish
|
|
or that are too flaky.
|