sources: allow overriding user identifier from source mappings

[rissson]

Details

REPLACE ME

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Checklist

• Local tests pass (ak test authentik/)
• The code has been formatted (make lint-fix)

If an API change has been made

• The API schema and clients have been updated (make gen)

If changes to the frontend have been made

• The code has been formatted (make web)

If applicable

• The documentation has been updated
• The documentation has been formatted (make docs)

[netlify]

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[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 93.13%. Comparing base (6be7b2f) to head (daa89d9).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
authentik/core/sources/flow_manager.py	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #22068      +/-   ##
==========================================
- Coverage   93.16%   93.13%   -0.04%     
==========================================
  Files        1024     1024              
  Lines       59287    59289       +2     
  Branches      400      400              
==========================================
- Hits        55236    55219      -17     
- Misses       4051     4070      +19     

Flag	Coverage Δ
conformance	36.91% <33.33%> (+0.05%)	⬆️
e2e	42.09% <83.33%> (-0.01%)	⬇️
integration	33.26% <33.33%> (-0.05%)	⬇️
rust	0.00% <ø> (ø)
unit	92.09% <83.33%> (-0.01%)	⬇️
unit-migrate	92.12% <83.33%> (+0.01%)	⬆️

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[github-actions]

authentik PR Installation instructions

Instructions for docker-compose

Add the following block to your .env file:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-daa89d930ef84756e65dbe6719bae169abc71ef0
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

Afterwards, run the upgrade commands from the latest release notes.

Instructions for Kubernetes

Add the following block to your values.yml file:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
global:
    image:
        repository: ghcr.io/goauthentik/dev-server
        tag: gh-daa89d930ef84756e65dbe6719bae169abc71ef0

Afterwards, run the upgrade commands from the latest release notes.