962da3b784
The three client registrations move into glue-{controller,nats,matrix}-oidc-client.nix,
gated only on deploy.authelia.enable and reading their ids from swarm.* options,
so the host running authelia registers every one of them whichever host runs
the service. The matrix callback is a new read-only swarm.matrix.sso.redirectUri,
read by both the homeserver's config and its client entry.
swarm-secret-publish now also publishes the queue's and the homeserver's minted
secrets to swarm/services/<id>/oidc/client. The queue host reads its responder's
secret there with swarm-bao-nats-auth-oidc under the responder's own leaf
(swarm-nats-auth role gains that one read path), and the homeserver's host with
swarm-bao-matrix-oidc under matrix-ctl's leaf (swarm-matrix-ctl role gains its
one read path). The host-file copies are gone: swarm-nats-auth-secrets now
delivers only the callout seeds and the store identity, and
hive-matrix-oidc-secret is removed. A fetch unit whose leaf is unset still
renders and fails naming the option pair.
Closes #4943
48 lines
2 KiB
Nix
48 lines
2 KiB
Nix
# Glue: register the swarm controller as an OIDC client wherever authelia runs.
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#
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# ONE PAIRING PER FILE — swarm-controller ← authelia, and nothing else. Deleting
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# this leaves a controller whose token requests authelia answers with a 401, and
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# no minted secret for swarm-secret-publish to put in the store.
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#
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# ⚠️ Gated on authelia being HERE, and NOT on this host running the controller.
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# A client is a row in THIS host's provider config, so it is declared where that
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# config is rendered; ./swarm-controller.nix's `config` hangs off
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# `deploy.swarm-controller.enable`, which answers a question about a different
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# host. Same shape as ./glue-grafana-oidc-client.nix.
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#
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# Registered whether or not the swarm runs a controller: nothing in `swarm.*`
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# records that, so the cost of a swarm without one is one unused client and one
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# unused minted secret.
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{
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lib,
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config,
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...
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}:
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let
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hyperhiveCfg = config.services.hyperhive;
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deployCfg = hyperhiveCfg.deploy;
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queueClientId = hyperhiveCfg.swarm.controller.queueClientId;
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in
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{
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config = lib.mkIf deployCfg.authelia.enable {
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# One declaration, two readers: the id is the read-only option the
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# controller authenticates under, so a mismatch cannot be introduced here.
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services.hyperhive.swarm.authelia.oidc.clients = [
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{
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id = queueClientId;
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description = "HyperHive swarm controller";
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# `client_credentials`: a daemon authenticating as itself, with nobody
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# to redirect. Declared rather than inferred from an empty redirect
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# list, because authelia permits only the grants a client names and an
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# omitted `grant_types` means authorization-code alone.
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kind = "machine";
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# Its own id as its own permitted audience. The controller mints a
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# token for `SWARM_CONTROLLER_OTEL_AUDIENCE` (./swarm-controller.nix),
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# and ./swarm-otel.nix's `oidc/swarm` authenticator checks for this
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# same id; either half without the other is a 401 several layers from
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# this line.
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audience = [ queueClientId ];
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}
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];
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};
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}
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