outposts: use channel groups instead of saving channel names

[BeryJu]

Details

Instead of managing channel name ourselves use channels' group feature to join all outpost channels into a per-outpost group that we can send messages to

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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 has been updated (make gen-build)

If changes to the frontend have been made

• The code has been formatted (make web)
• The translation files have been updated (make i18n-extract)

If applicable

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

[netlify]

✅ Deploy Preview for authentik-storybook canceled.

Name	Link
🔨 Latest commit	13fff2f
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-storybook/deploys/652d3fffa705920009085d2d

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (00b2a77) 92.67% compared to head (13fff2f) 92.52%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7183      +/-   ##
==========================================
- Coverage   92.67%   92.52%   -0.14%     
==========================================
  Files         568      568              
  Lines       28049    28044       -5     
==========================================
- Hits        25991    25946      -45     
- Misses       2058     2098      +40     

Flag	Coverage Δ
e2e	50.43% <47.62%> (-0.75%)	⬇️
integration	26.44% <42.86%> (+0.11%)	⬆️
unit	89.57% <90.48%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
authentik/outposts/consumer.py	91.67% <100.00%> (ø)
authentik/outposts/models.py	86.59% <100.00%> (-2.03%)	⬇️
authentik/outposts/tasks.py	75.27% <100.00%> (ø)
authentik/outposts/tests/test_ws.py	100.00% <100.00%> (ø)
authentik/outposts/urls.py	100.00% <100.00%> (ø)
authentik/root/settings.py	88.00% <ø> (ø)
authentik/providers/proxy/tasks.py	72.23% <50.00%> (+5.56%)	⬆️

... and 5 files with indirect coverage changes

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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-outposts-use-groups-1697466191-13fff2f
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

For arm64, use these values:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-outposts-use-groups-1697466191-13fff2f-arm64
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
image:
    repository: ghcr.io/goauthentik/dev-server
    tag: gh-outposts-use-groups-1697466191-13fff2f

For arm64, use these values:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
image:
    repository: ghcr.io/goauthentik/dev-server
    tag: gh-outposts-use-groups-1697466191-13fff2f-arm64

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