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imported>Brennen Bearnes
(Update current state: Only one instance in gitlab-test, and production instance is open to all users.)
imported>Jelto
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== GitLab instances ==
== GitLab instances ==


gitlab1001 and gitlab2001 are setup using puppet and Ansible. The base configuration currently lives in [[gerrit:plugins/gitiles/operations/puppet/+/refs/heads/production/modules/profile/manifests/gitlab.pp|profile::gitlab]]. Additional GitLab specific configuration comes from [[gerrit:plugins/gitiles/operations/gitlab-ansible|gitlab-ansible]]. Its planned to migrate all of the logic to puppet and drop Ansible (see [[phab:T283076|T283076]]). GitLab is installed as a [https://docs.gitlab.com/omnibus/ 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 [[mw:GitLab/Initialization|Initialization docs in Mediawiki]].
gitlab1001 and gitlab2001 are setup using puppet. The configuration currently lives in [[gerrit:plugins/gitiles/operations/puppet/+/refs/heads/production/modules/profile/manifests/gitlab.pp|profile::gitlab]]. Former configuration from [[gerrit:plugins/gitiles/operations/gitlab-ansible|gitlab-ansible]] was migrated completely to puppet (see [[phab:T283076|T283076]]). GitLab is installed as a [https://docs.gitlab.com/omnibus/ 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 [[mw:GitLab/Initialization|Initialization docs in Mediawiki]].


GitLab login is implemented with SSO using the [[CAS-SSO|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 login is implemented with SSO using the [[CAS-SSO|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.

Revision as of 14:27, 29 October 2021

This page contains SRE related topics for GitLab. For GitLab application specific information, please see https://www.mediawiki.org/wiki/GitLab (under Implementation).

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.