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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index 14efa85e0..a2c582722 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -46,6 +46,8 @@ something that can be merged to the repository. One of the repository maintainers will then review the PR and trigger tests, and possibly start a discussion that goes on until the PR is ready to be merged. +This process is further explained in the +[Pull Request process](docs/pull_requests.md) document. If you get no timely feedback from a project contributor / maintainer, sorry for the delay. You can help us speed up triaging, reviewing and eventually merging diff --git a/docs/pull_requests.md b/docs/pull_requests.md new file mode 100644 index 000000000..953563fb2 --- /dev/null +++ b/docs/pull_requests.md @@ -0,0 +1,86 @@ +# Pull Request process + +Pull Requests in the `openshift-ansible` project follow a +[Continuous](https://en.wikipedia.org/wiki/Continuous_integration) +[Integration](https://martinfowler.com/articles/continuousIntegration.html) +process that is similar to the process observed in other repositories such as +[`origin`](https://github.com/openshift/origin). + +Whenever a +[Pull Request is opened](../CONTRIBUTING.md#submitting-contributions), some +automated test jobs must be successfully run before the PR can be merged. + +Some of these jobs are automatically triggered, e.g., Travis and Coveralls. +Other jobs need to be manually triggered by a member of the +[Team OpenShift Ansible Contributors](https://github.com/orgs/openshift/teams/team-openshift-ansible-contributors). + +## Triggering tests + +We have two different Jenkins infrastructures, and, while that holds true, there +are two commands that trigger a different set of test jobs. We are working on +simplifying the workflow towards a single infrastructure in the future. + +- **Test jobs on the older infrastructure** + + Members of the [OpenShift organization](https://github.com/orgs/openshift/people) + can trigger the set of test jobs in the older infrastructure by writing a + comment with the exact text `aos-ci-test` and nothing else. + + The Jenkins host is not publicly accessible. Test results are posted to S3 + buckets when complete, and links are available both at the bottom of the Pull + Request page and as comments posted by + [@openshift-bot](https://github.com/openshift-bot). + +- **Test jobs on the newer infrastructure** + + Members of the + [Team OpenShift Ansible Contributors](https://github.com/orgs/openshift/teams/team-openshift-ansible-contributors) + can trigger the set of test jobs in the newer infrastructure by writing a + comment containing `[test]` anywhere in the comment body. + + The [Jenkins host](https://ci.openshift.redhat.com/jenkins/job/test_pull_request_openshift_ansible/) + is publicly accessible. Like for the older infrastructure, the result of each + job is also posted to the Pull Request as comments and summarized at the + bottom of the Pull Request page. + +## Triggering merge + +After a PR is properly reviewed and a set of +[required jobs](https://github.com/openshift/aos-cd-jobs/blob/master/sjb/test_status_config.yml) +reported successfully, it can be tagged for merge by a member of the +[Team OpenShift Ansible Contributors](https://github.com/orgs/openshift/teams/team-openshift-ansible-contributors) +by writing a comment containing `[merge]` anywhere in the comment body. + +Tagging a Pull Request for merge puts it in an automated merge queue. The +[@openshift-bot](https://github.com/openshift-bot) monitors the queue and merges +PRs that pass all of the required tests. + +### Manual merges + +The normal process described above should be followed: `aos-ci-test` and +`[test]` / `[merge]`. + +In exceptional cases, such as when known problems with the merge queue prevent +PRs from being merged, a PR may be manually merged if _all_ of these conditions +are true: + +- [ ] Travis job must have passed (as enforced by GitHub) +- [ ] Must have passed `aos-ci-test` (as enforced by GitHub) +- [ ] Must have a positive review (as enforced by GitHub) +- [ ] Must have failed the `[merge]` queue with a reported flake at least twice +- [ ] Must have [issues labeled kind/test-flake](https://github.com/openshift/origin/issues?q=is%3Aopen+is%3Aissue+label%3Akind%2Ftest-flake) in [Origin](https://github.com/openshift/origin) linked in comments for the failures +- [ ] Content must not have changed since all of the above conditions have been met (no rebases, no new commits) + +This exception is temporary and should be completely removed in the future once +the merge queue has become more stable. + +Only members of the +[Team OpenShift Ansible Committers](https://github.com/orgs/openshift/teams/team-openshift-ansible-committers) +can perform manual merges. + +## Useful links + +- Repository containing Jenkins job definitions: https://github.com/openshift/aos-cd-jobs +- List of required successful jobs before merge: https://github.com/openshift/aos-cd-jobs/blob/master/sjb/test_status_config.yml +- Source code of the bot responsible for testing and merging PRs: https://github.com/openshift/test-pull-requests/ +- Trend of the time taken by merge jobs: https://ci.openshift.redhat.com/jenkins/job/merge_pull_request_openshift_ansible/buildTimeTrend |