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Clever CloudHow-toFor adminsApplies from 4.2.3

Changing domain or OIDC provider

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Moving a running Studio to new names, or to another OpenID Connect provider. The game and its history do not move; what changes is how people reach it and who the Studio thinks they are.

What you get

The Studio served at its new publicUrl and playUrl (or logging people in through the new provider), every member back with their role, and the old names or the old provider retired.

Context and versions

  • A hosted Studio on Clever Cloud, from 4.2.3.
  • Verified on: not verified on a live installation. Neither change was exercised; what follows is read from the code and the deployment guide.

Prerequisites

  • The new subdomains of your domain (Domains and TLS), or the new provider set up (Keycloak, Generic OIDC).
  • A backup taken just before (Backups, step 3), and the list of members with their roles (GET /api/members as an owner).

Where to run the commands

clever …: on your machine, in the engine repository where the apps are linked. invite: in a shell on the studio app (clever ssh --alias my-game-studio). The provider's settings: in its admin console.

Steps

Changing domain

  1. Add the new names beside the old ones: both studio. and play. to the studio app, the worker's to the worker (Domains and TLS).
  1. At the provider, add the new URIs to the studio client, keeping the old ones for now: the redirect URI <new publicUrl>/auth/callback, the post-logout redirect <new publicUrl>, and set the back-channel logout URL to <new publicUrl>/auth/backchannel.
  1. Change publicUrl, playUrl (and worker.url if the worker moves) in the configuration, set it, and redeploy the studio (Configuration, step 5). The server accepts mutations only with Origin equal to the new publicUrl: the old name stops working for writes at once.
  1. Tell the members:
    • Everyone logs in again on the new name: the session cookie (__Host-ws_session) belongs to the host that set it, so the old name's cookie is never sent to the new one.
    • The CLI keeps its tokens per server: npm run studio-server -- login --server https://<new studio name>; an MCP client configured with the old URL is pointed at the new one.
    • An invitation link printed before still works with its host changed to the new name: the token is the same.
    • The published builds' URLs (/play/<n>/ on the game's origin) change with playUrl.
  1. Once everyone is on the new name, remove the old URIs at the provider and the old names from the apps (clever domain rm <old name> --alias my-game-studio).

Changing OIDC provider

The Studio knows a person by the provider's (iss, sub). A new provider gives everyone a new identity: to the Studio they are new users, members of nothing. The roles have to be given again, by invitation.

  1. Set the new provider's client secret and the configuration's oidc (issuer, clientId, audience, cliClientId), and redeploy the studio. It reads the new issuer's discovery at start. Every session ends at its next check (the old provider's refresh tokens mean nothing to the new one), and the old provider's Bearer tokens are refused.

  1. Re-invite each member, with their role, from the operator's side; each logs in through the new provider with the same verified email:

    # in a shell on the studio app (clever ssh --alias my-game-studio)
cd "$APP_HOME" && npm run studio-server -- invite --email lea@example.fr --role dev
  1. As an owner on the new provider, remove the old identities from the members list: they still appear (and the last owner of them cannot be removed until a new owner exists, step 7).

Expected result, and how to check it

  • Domain: https://<new studio name>/readyz answers 200, a member logs in there and writes, the game shows in the room view (the game's frame on the new playUrl).
  • Provider: GET /api/members lists every member with a new identity and their role; GET /auth/cli names the new issuer.

Common errors

SymptomCauseFix
The provider refuses the redirectThe new callback URI not added to the studio clientStep 2
forbidden (403) on every saveA tab still open on the old nameReload on the new name
"not a member of this project" after the provider changeNot re-invited yetStep 7
The game's frames stay emptyplayUrl not on the same domain as publicUrlTwo subdomains of one domain

Files or data changed

STUDIO_CONFIG_JSON (and the client secret for a provider change); the apps' domains; the provider's client; new user and member rows, invitations and audit entries. The game's files and history do not change.

Recovery or going back

  • Domain: set the old URLs back and redeploy, as long as the old names and URIs were kept (step 5 not done yet).
  • Provider: set the old provider back and redeploy; the old identities are still members unless step 8 removed them.

References