GitLab

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This page contains SRE related topics for GitLab. For GitLab application-specific information, user documentation, and policy, please see mw:GitLab on mediawiki.org.

GitLab is reachable at https://gitlab.wikimedia.org/. We run multiple instances of GitLab:

GitLab instances

gitlab1001 and gitlab2001 are setup using puppet. The configuration currently lives in profile::gitlab. Former configuration from gitlab-ansible was migrated completely to puppet (see T283076). GitLab is installed as a Omnibus installation on all instances. So all GitLab components are installed using the official packages and are executed on a single host. The reasons for this setup can be found in the Initialization docs in Mediawiki.

GitLab login is implemented with SSO using the CAS/SSO. So users will be redirected to idp.wikimedia.org to login to the SSO portal. Authentication is currently open to all users with a Wikimedia developer account.

GitLab runners

For our current and future runner setups, see GitLab/Gitlab Runner.