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hive-forge, hive-matrix: forward each container's journal to the swarm collector

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Each container now runs the journal forwarder the CI runner's, Grafana's and
the log store's containers run, pushing to a receiver of its own on the swarm
collector (serviceProducers hive-forge and hive-matrix). Each authenticates as
a new machine OIDC client of its own (swarm.forge.otel.clientId,
swarm.matrix.otel.clientId), registered by a glue file wherever authelia runs,
minted by authelia and published to the store by the secret publisher. The
forge's and the homeserver's browser login clients are unchanged. The client
ids are swarm-forge-collector and swarm-matrix-collector, not
hive-<x>-collector, which is the client id a hive named <x>-collector gets.

The fetch unit inside each container reads the client secret with the store
identity the host already holds for that service. The forge publisher's leaf
is handed into the forge container as an nspawn system credential, as the
grafana and log store containers do. matrix-ctl's leaf is already bound into
the homeserver's container, so its forwarder reads it at those paths, as
swarm-matrix-appservice-publish does; with no matrix-ctl identity the
homeserver's forwarder is off. Each of the two policies gains one read stanza
on its forwarder's client path. The host units that use those identities are
unchanged.

The two containers drop --link-journal=host, and the host collector stops
reading them.
This commit is contained in:
atlas 2026-10-16 11:48:22 +02:00 • committed by mara
commit ce44b6e77e
18 changed files with 511 additions and 134 deletions
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20
nix/host-modules/hive-forge/service.nix
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@ -191,5 +191,25 @@ in
# The secret half is fetched from the swarm secret store on the host
# that runs the forge: `swarm-bao-forge-oidc`, in ./default.nix.
};
otel.clientId = lib.mkOption {
type = lib.types.str;
readOnly = true;
# Not `hive-forge-collector`: `hive-<name>` is a hive's own client id,
# and `forge-collector` is a name a hive may take.
default = "swarm-forge-collector";
description = ''
OAuth2 client id the journal forwarder inside the forge's container
authenticates as, and the audience it asks its token for. Its own,
not {option}`services.hyperhive.swarm.forge.sso.clientId`, which is
the browser login's.
Read-only because three hosts have to agree on it: authelia
registers the client (`glue-forge-otel-oidc-client.nix`), the
swarm collector admits it on the container's receiver
(`swarm.otel.serviceProducers`), and the secret publisher carries
its secret to the store.
'';
};
};
}