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Created by Kamil Trzciński@ayufan🔴Maintainer10 of 18 tasks completed10/18 tasks

[Feature flag] Rollout of `retarget_merge_requests`

What

Remove the :retarget_merge_requests feature flag introduced with !53710 (merged).

Owners

  • Team: Memory
  • Most appropriate slack channel to reach out to: #g_memory
  • Best individual to reach out to: @ayufan

Expectations

What are we expecting to happen?

MRs that have remove source branch will trigger to retarget automatically MRs targeting the branch to be removed.

Screenshot_2021-02-12_at_12.39.21

What might happen if this goes wrong?

The retarget does not happen.

Beta groups/projects

If applicable, any groups/projects that are happy to have this feature turned on early. Some organizations may wish to test big changes they are interested in with a small subset of users ahead of time for example.

  • gitlab-org/gitlab project: /chatops run feature set --project=gitlab-org/gitlab retarget_merge_requests true
  • gitlab-org/gitlab-runner project: /chatops run feature set --project=gitlab-org/gitlab-runner retarget_merge_requests true
  • gitlab-org/charts/gitlab-runner project: /chatops run feature set --project=gitlab-org/charts/gitlab-runner retarget_merge_requests true
  • gitlab-org/ci-cd/custom-executor-drivers/autoscaler project: /chatops run feature set --project=gitlab-org/ci-cd/custom-executor-drivers/autoscaler retarget_merge_requests true
  • gitlab-org/ci-cd/shared-runners/images/macstadium/orka project: /chatops run feature set --project=gitlab-org/shared-runners/images/macstadium/orka retarget_merge_requests true
  • gitlab-org/gitlab-pages project: /chatops run feature set --project=gitlab-org/gitlab-pages retarget_merge_requests true

Roll Out Steps

  • Enable on staging (/chatops run feature set retarget_merge_requests true --staging)
  • Test on staging
  • Ensure that documentation has been updated
  • Enable on GitLab.com for individual groups/projects listed above and verify behaviour (/chatops run feature set --project=gitlab-org/gitlab retarget_merge_requests true)
  • Coordinate a time to enable the flag with the SRE oncall and release managers
    • In #production mention @sre-oncall and @release-managers. Once an SRE on call and Release Manager on call confirm, you can proceed with the rollout
  • Announce on the issue an estimated time this will be enabled on GitLab.com
  • Enable on GitLab.com by running chatops command in #production (/chatops run feature set retarget_merge_requests true)
  • Cross post chatops Slack command to #support_gitlab-com (more guidance when this is necessary in the dev docs) and in your team channel
  • Announce on the issue that the flag has been enabled
  • Remove feature flag and add changelog entry
  • After the flag removal is deployed, clean up the feature flag by running chatops command in #production channel

Rollback Steps

  • This feature can be disabled by running the following Chatops command:
/chatops run feature set --project=gitlab-org/gitlab retarget_merge_requests false
Edited by Kamil Trzciński