docs: clarify OIDC role mapping requires a mapped group#97
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Setting OIDC_CLAIM_ROLES makes group matching mandatory: non-admin users in no mapped group are rejected with "User has not been granted any roles for this application." Document the OIDC_ROLE_VIEWER/EDITOR fix and correct the misleading "legacy no-op" framing. Generated-By: PostHog Code Task-Id: 8650f3d2-ad2c-4988-9843-4c7941b886d5
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Fixes a documentation gap surfaced in a Discord
#helpthread: a newly created (non-admin) OIDC user was rejected at login with{"detail":"User has not been granted any roles for this application."}.The cause is that once
OIDC_CLAIM_ROLESis set, RomM requires every user to match at least one mapped role group. Admins matchedOIDC_ROLE_ADMIN, but regular users in no mapped group were turned away. The fix (per the thread) is to map non-admins to the User role viaOIDC_ROLE_VIEWER/OIDC_ROLE_EDITOR.The old docs described those vars as legacy no-ops, which hid the fact that they're still how you grant non-admins access.
Changes
administration/oidc/index.md— replaced the "Legacy role variables" note with a warning explaining group matching becomes mandatory, showing the exact error and theOIDC_ROLE_VIEWER=platform-usersfix; clarified that skippingOIDC_CLAIM_ROLESprovisions everyone as User.troubleshooting/authentication.md— new OIDC entry keyed on the exact error string, with the fix.resources/snippets/env-vars.md— correctedOIDC_ROLE_VIEWER/OIDC_ROLE_EDITORdescriptions.Created with PostHog Code