58 lines
2.8 KiB
Markdown
58 lines
2.8 KiB
Markdown
# Admin Bootstrap and OIDC Role Sync
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## Overview
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- **Admin bootstrap:** In production, no seeds run. The first admin user is created/updated from environment variables in the Docker entrypoint (after migrate, before server). Password can be changed without redeploy via `bin/mv eval "Mv.Release.seed_admin()"`.
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- **OIDC role sync:** Optional mapping from OIDC groups (e.g. from Authentik profile scope) to the Admin role. Users in the configured admin group get the Admin role on registration and on each sign-in.
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## Admin Bootstrap (Part A)
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### Environment Variables
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- `ADMIN_EMAIL` – Email of the admin user to create/update. If unset, seed_admin/0 does nothing.
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- `ADMIN_PASSWORD` – Password for the admin user. If unset (and no file), no new user is created; if a user with ADMIN_EMAIL already exists (e.g. OIDC-only), their role is set to Admin (no password change).
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- `ADMIN_PASSWORD_FILE` – Path to a file containing the password (e.g. Docker secret).
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### Release Task
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- `Mv.Release.seed_admin/0` – Reads ADMIN_EMAIL and password from ADMIN_PASSWORD or ADMIN_PASSWORD_FILE. If both email and password are set: creates or updates the user with the Admin role. If only ADMIN_EMAIL is set: sets the Admin role on an existing user with that email (for OIDC-only admins); does not create a user. Idempotent.
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### Entrypoint
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- rel/overlays/bin/docker-entrypoint.sh – After migrate, runs seed_admin(), then starts the server.
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### Seeds (Dev/Test)
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- priv/repo/seeds.exs – Uses ADMIN_PASSWORD or ADMIN_PASSWORD_FILE when set; otherwise fallback "testpassword" only in dev/test.
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## OIDC Role Sync (Part B)
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### Configuration
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- `OIDC_ADMIN_GROUP_NAME` – OIDC group name that maps to the Admin role. If unset, no role sync.
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- `OIDC_GROUPS_CLAIM` – JWT claim name for group list (default "groups").
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- Module: Mv.OidcRoleSyncConfig (oidc_admin_group_name/0, oidc_groups_claim/0).
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### Sign-in page (OIDC-only mode)
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- `OIDC_ONLY` (or Settings → OIDC → "Only OIDC sign-in") – When set to true/1/yes and OIDC is configured, the sign-in page shows only the Single Sign-On button (password login is hidden). ENV takes precedence over Settings.
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### Sync Logic
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- Mv.OidcRoleSync.apply_admin_role_from_user_info(user, user_info) – If admin group configured, sets user role to Admin or Mitglied based on user_info groups.
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### Where It Runs
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1. Registration: register_with_oidc after_action calls OidcRoleSync.
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2. Sign-in: sign_in_with_oidc prepare after_action calls OidcRoleSync for each user.
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### Internal Action
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- User.set_role_from_oidc_sync – Internal update (role_id only). Used by OidcRoleSync; not exposed.
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## See Also
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- .env.example – Admin and OIDC group env vars.
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- lib/mv/release.ex – seed_admin/0.
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- lib/mv/oidc_role_sync.ex – Sync implementation.
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- docs/oidc-account-linking.md – OIDC account linking.
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