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hive status publishing: read the hive's OIDC secret from the store, retry until it is there

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hive-c0re publishes this hive's status to the swarm queue as the OIDC
client `hive-<name>`. Its secret came from
`deploy.hive-controller.statusPublish.clientSecretFile`, which defaulted
to authelia's minted file only on a host running both authelia and the
queue. Every other hive had no secret and never published, so the
controller showed it `never_reported`.

Now `swarm-secret-publish`, beside authelia, also copies each hive's
`hive-<name>` secret to `swarm/hives/<hive>/oidc/client`. Its policy
already allows `swarm/hives/*`. hive-c0re reads that path under the
hive's own store leaf, which the existing `swarm/hives/<hive>/*` grant
covers, and holds the value in memory.

The shared queue client no longer remembers a failed first connect for
the life of the process. A failed attempt is retried with a backoff
from 5s, doubling to a cap of 5 minutes; the dashboard banner stays up
until an attempt succeeds. The two status publishers wait for the
client instead of giving up on the first `None`, so a secret published
after boot is picked up without a restart.

Removed: the `statusPublish.clientSecretFile` option (both spellings,
now removed options with a message), its same-host default, its
LoadCredential, the assertion tying it to the other two coordinates,
and `swarm_queue_client::QueueConfig::from_env`, whose only caller was
this read. Publishing is now on wherever the queue URL and token
endpoint are set and the hive holds a store leaf.

Refs #5015
This commit is contained in:
atlas 2026-10-09 23:12:28 +02:00 • committed by mara
commit c2c61b6146
1 changed files with 643 additions and 394 deletions
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18
nix/module-eval/secret-publisher.nix
View file

@ -84,6 +84,24 @@ let
deploy.matrix.enable = true;
};
cases = [
{
# Each hive's hive-c0re reads this exact path
# (`swarm_secret_client::queue::hive_client_path`, pinned by that crate's
# own test), for every hive in the roster, not only the one this host is.
# The agents' client beside it stays a separate path.
name = "the publisher writes every hive's own client under that hive's prefix";
ok =
let
s = secretPublisherHere.systemd.services.swarm-secret-publish.script;
in
lib.all
(h: lib.hasInfix "secret/swarm/hives/${h}/oidc/client" s && lib.hasInfix "/hive-${h}.secret" s)
[
"h1"
"h2"
]
&& lib.hasInfix "secret/swarm/hives/h1/queue/agent" s;
}
{
# The controller reads this exact path
# (`swarm_secret_client::queue::controller_client_path`, pinned by that