Migrating to Gitlab

Migrating to Gitlab

Migrating to Gitlab Daniel Vetter, Intel OTC @danvet LPC 2018, Vancouver why this talk kernel DRM X.Org stuff from the kernel ● git (in 2006!) ● proper commit messages ● iterating on patch series ● maintainer model stuff from X.org ● committer model ● testing/CI ● MIT licensing ● gitlab? pain points ● popularity of git send-email ● admin pains: SMTP, bouquet of services ● exodus to github, w/ memories of bitkeeper pw: not the droid you're looking for ● code interleaved with discussions ● loss of semantics: baseline, target, previous revisions ● pw is a sidechannel, no enforcing possible pain points: tracking&cordination ● no chaining/deprecating of patch iterations ● no sync between inboxes and patchwork ● no standard setup ● patchwork is terrible pain points: CI&tooling ● no postive confirmation, lack of transparency ● client side scripting, patch parsing is fun ● patchwork is terrible why gitlab ● open core, but just DCO + MIT ● cares about big project workflows ● debian, gnome, khronos use it ● batteries included ● (failed pilot with phabricator) big project workflows ● multiple repos, issue trackers, discussion channels, patch queues ● multi-repo pull requests ● kernel: single tree, x.org: multiple projects ● gitlab cares: super-pull, fork relationships, ... gitlab: merge requests ● git branch, including reflog ✚ target branch ✚ discussions and review ✚ CI results gitlab: patch review ● but my mail setup! ● per-patch review only recently added ● probably stick to mailing lists ● merge request for tracking series evolution gitlab: CI ● server-side CI: docker + scriptlets ● jobs, triggers, dependencies ● generic/special runners ● per-repo CI settings file, with #include directive ● hardware CI: external CI results/tracking ● CI can block merging ● full transparency for contributors docker: not so great ● perfect control over build env, but: ● docker-in-docker build needs root ● binfmt-misc, kvm, … ● probably need kvm-containers ● lots of cloud fun with runners gitlab: automation ● webhooks, requires a server somewhere ● not (yet?) github actions ● biggest potential for long-term wins gitlab: issue tracker ● bugzilla vs. GDPR ● per repo issue templates, w/ twists ● customization through labels timeline ● most projects migrated git ● kernel migration blocked until early next year ● lots of experimenting with CI (8k runs thus far) ● migrating issue tracking ● 2k merge requests thus far summary ● patchwork: solution to a self-inflicted problem ➔ you want to track merge/pull requests ● gitlab CI: awesome ● docker/cloud: not so awesome ● gitlab automation: falling behind ● gitlab patch review: bad, but with potential.

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