[carlos-marquez-wgu]

Description

Adds ADR-0029 which defines how the Tutor implementation for authorization schema discovery works.

Authorization schema discovery already proposed a Tutor patch route in ADR 0019 and ADR 0023. This ADR fills the gap of how we feed the resulting authz schema YAML file to be discoverable.

The proposal includes adding a new Django setting for discovery to find the file, which needs to be an absolute filesystem path, and then using a Tutor plugin to place the rendered patch (openedx-authz-schema) where it can be found by this setting.

I also include two rejected alternatives: riding an existing installed package that Tutor already mounts files to, and scanning /openedx/config/ which already contains unrelated YAML configurations shipped by Tutor.

Key decisions

• Create a Tutor plugin in https://github.com/openedx/openedx-tutor-plugins
• Add new Django setting OPENEDX_AUTHZ_SCHEMA_FILES
• Treat schema resources as multi-document YAML streams so multiple plugin contributions survive concatenation
• Updates to discovery.py (filesystem paths) and loading.py (multi-document parsing)

Merge checklist:
Check off if complete or not applicable:

• Documentation updated (not only docstrings)
• Fixup commits are squashed away
• Unit tests added/updated
• Manual testing instructions provided
• Noted any: Concerns, dependencies, migration issues, deadlines, tickets

AI Usage

Kiro + Claude were used to assist with the creation of documentation while throughly and carefully guided, everything was reviewed and corrected manually by an actual person and ensured the changes were up to standard and met the closing issue requirements.

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[rodmgwgu]

I agree with this approach, thanks!

[BryanttV]

Thanks, @carlos-marquez-wgu! I just have a couple of comments.

we should update the ADR number, since 0028 is already taken.

[rodmgwgu]

ADR 0029 has already been taken, can you please update this to be ADR 0030?

[rodmgwgu]

Thanks!

[carlos-marquez-wgu]

ADR 0029 has already been taken, can you please update this to be ADR 0030?

Done, thanks! 😄

[mariajgrimaldi]

Why would this be in a different repo and not here as a monorepo with the other tooling? Was the alternative we discussed in this thread considered? https://openedx.slack.com/archives/C07PRCN6G0N/p1791302390271369

[carlos-marquez-wgu]

Oh, I totally misread that part of the conversation and thought the suggested approach was using openedx-tutor-plugins repo, sorry and thanks for pointing it out!

Yeah having the tutor plugin here as a monorepo makes more sense, I updated the ADR to use a tutor subfolder here in the same repo

Thanks @mariajgrimaldi!