Use SAML Groups as CODEOWNERS
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Proposal
We're a company who like many others federated user identity into GitLab from an external IDP (e.g. AAD, Okta, Ping, OneLogin etc.) and provision access to users using Role Based Access Control (RBAC). Basically we create user groups that map to organisational roles. We ideally would be able to dictate the access of our users as much of possible in GitLab, and our repos, from the SAML groups that are pushed with the user when they federate in from SSO.
Specifically, it would be extremely useful if we could reference those SAML groups in CODEOWNERS files. In this way we would not need a complex re-mapping of our organisational structure into GitLab's groups in order to make sure that only those in the MYCORP-SECURITY user group can approve changes to any aws-security-group terraform file (for example) across multiple repos/gitlab groups.