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Cloud Connector: Configuration

A GitLab Rails instance accesses backend services uses a Cloud Connector Service Access Token:

  • This token is synced to a GitLab instance from CustomersDot daily and stored in the instance's local database.
  • For GitLab.com, we do not require this step; instead, we issue short-lived tokens for each request.

The Cloud Connector JWT contains a custom claim, which represents the list of access scopes that define which features, or unit primitives, this token is valid for.

Configuration structure

The information about how paid features are bundled into GitLab tiers and add-ons is configured and stored in a YAML file:

services:
  code_suggestions:
    backend: 'gitlab-ai-gateway'
    cut_off_date: 2024-02-15 00:00:00 UTC
    min_gitlab_version: '16.8'
    bundled_with:
      duo_pro:
        unit_primitives:
          - code_suggestions
  duo_chat:
    backend: 'gitlab-ai-gateway'
    min_gitlab_version_for_beta: '16.8'
    min_gitlab_version: '16.9'
    bundled_with:
      duo_pro:
        unit_primitives:
          - duo_chat
          - documentation_search

Terms

The configuration contains the following information:

  • unit_primitives: Each unit primitive represents the smallest logical feature that a permission/access scope can govern. It represents the actual feature, and the value of this attribute is used as a scope when Service Access token is being issued.

    The recommended naming convention for the new unit_primitive should be $VERB_$NOUN. Example: explain_vulnerability

  • service: The feature, or UP, can be delivered as part of the existing service (Duo Chat) or as a stand-alone service. Example: The documentation_search represent an unit primitive that is delivered as part of the Duo Chat service.

  • bundled_with: Represents the list of add-ons. Each unit primitive is bundled with add-on. Example: Code Suggestions and Duo Chat were two features sold together under the DUO PRO add-on. Same unit primitive can be bundled with multiple add-ons. Example: Code Suggestions could be available with both the DUO PRO and DUO ENTERPRISE add-ons.

  • cut_off_date: Represents the cut-off date when the feature is no longer available for free (Experimental). If it's not set, the feature is available for free by default.

  • min_gitlab_version: Represents the minimum required GitLab version to use the feature. If it's not set, the feature is available for all GitLab versions.

  • min_gitlab_version_for_free_access: Represents the minimum required GitLab version to use the service during the free access period. If it's not set, the service is available for all GitLab versions.

  • backend: The name of the backend serving this feature. The name is used as a token audience claim. Example: gitlab-ai-gateway.

CustomersDot configuration

For GitLab Dedicated and self-managed GitLab instances we are delegating trust to the CustomersDot, the access token issuer.

The configuration is located in cloud_connector.yml, and represents an almost exact copy of the GitLab.com configuration.

GitLab.com configuration

Because the GitLab.com deployment enjoys special trust, it has the advantage of being able to self-sign and create IJWTs for every request to a Cloud Connector feature.

To issue tokens with the proper scopes, GitLab.com needs access to the configuration. The configuration is located in access_data.yml, and it's an almost exact copy of the CustomersDot configuration.