RnD/infra

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R de Ren 33a794e35d feat(sso): wire Keycloak SSO end-to-end across all apps

New stack:
- stacks/oauth2-proxy/ — per-app sidecars (mlflow, portainer, rabbitmq)
  that gate vhosts via nginx auth_request against Keycloak's wbd realm.

Native OIDC wired into:
- grafana       (generic_oauth, role-attribute-path → Admin/Editor/Viewer)
- jupyterhub    (oauthenticator.GenericOAuthenticator)
- node-red      (passport-openidconnect; in-memory state store + users()
                 resolver because adminAuth doesn't expose req.session)
- jenkins       (oic-auth plugin via JCasC; matrix-auth for authz; setup
                 wizard suppressed; custom image with plugins.txt)

Infra fixes uncovered while bringing the above online:
- nginx-proxy: bump proxy_buffer_size to 16k so oauth2-proxy callbacks
  don't 502 on the JWT-bearing Set-Cookie header.
- nginx-proxy: add `resolver 127.0.0.11 valid=30s` so service names
  re-resolve after sidecar recreates (was cross-wiring oauth2-proxy
  upstreams after restart).
- jupyterhub: pass --allow-root to the singleuser spawner (hub runs as
  root inside its container; jupyter-server refused root without flag).
- jupyterhub Dockerfile: install jupyterlab + notebook so
  SimpleLocalProcessSpawner has something to launch.
- node-red Dockerfile: install passport-openidconnect into the image
  so settings.js can require() it.
- portainer: pre-seed local admin via --admin-password=<bcrypt-hash>
  so the 5-minute "no admin → lockout" timer can never trigger.
- deploy.sh: restore executable bit (was 644 in repo).

Admin/viewer policy:
- Created realm role `app-admin` in keycloak wbd realm.
- Grafana maps app-admin → Admin (default Viewer).
- Jenkins matrix-auth grants r.de.ren Overall/Administer, authenticated
  users get Overall/Read + Job/Read + View/Read.
- Node-RED: NODERED_ADMIN_USERS env list → permissions "*", others
  ["read"]. (TODO: switch to app-admin realm role.)
- JupyterHub: JUPYTERHUB_ADMIN_USERS env list. (Same TODO.)
- Gitea: r.de.ren pre-created as local admin; OIDC auto-links via email.

Docs:
- README, cloud/README, stacks/oauth2-proxy/README, and per-stack
  READMEs updated to reflect the new state and remove resolved TODOs.
- cloud/.env.example gains all the new OIDC client + cookie-secret keys.
- cloud/README documents the full kcadm realm bootstrap, including the
  hardcoded-audience mapper and post-logout redirect URIs that are
  non-obvious gotchas.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-21 18:34:37 +00:00

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rabbitmq

General-purpose message broker. AMQP for app-to-app messaging; MQTT plugin for external MQTT-TLS clients (fronted by nginx-proxy stream block).

Used at both cloud and edge. The mosquitto stack is reserved for the FROST SensorThings stack only — do not confuse the two.

Network: app — no published port
External MQTT clients reach nginx-proxy:8883 (cloud) which stream-proxies to rabbitmq:1883 internally. Edge brokers are internal-only.
Management UI: port 15672 → reverse-proxied through nginx-proxy at mq.wbd-rd.nl, gated by oauth2-proxy-rabbitmq (Keycloak wbd realm). Users still log into the RabbitMQ UI itself with the local broker credentials (RABBITMQ_USER / RABBITMQ_PASSWORD); the SSO gate only restricts who can reach the page. Wiring RabbitMQ's native OAuth2 plugin so the UI accepts Keycloak tokens directly is a TODO.

Plugins to enable in config/enabled_plugins:

[rabbitmq_management, rabbitmq_mqtt, rabbitmq_web_mqtt].

TODO:
- ACL policies
- VHost layout (cloud-bus, plant-buses, ml-bus)
- Shovel/federation to mosquitto if FROST needs MQTT bridge to general broker

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rabbitmq

1.1 KiB

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