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drop the shared hive agent login

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Every agent now connects to the queue and reads logs with its own secret
from the store (#5181), so the per-hive `hive-<h>-agent` OIDC client has
no reader left. Remove it end to end:

- hive-c0re no longer forwards `hive-queue-agent-{secret,client-id}` into
  containers, and no longer forwards HIVE_AGENT_OIDC_TOKEN_ENDPOINT; the
  agent module that loaded them (nix/agent-modules/queue.nix) is gone, its
  options refused with a removal message.
- The host reader (glue-queue-agent-credential.nix, swarm-bao-queue-agent),
  its store role and policy unit (swarm-bao-queue-agent-policy), its PKI
  leaf and the deploy.bao.queueAgent* / queue.agentCredentialDir options
  are gone; the options are refused with a removal message.
- authelia mints no `hive-<h>-agent` client, and swarm-secret-publish no
  longer writes swarm/hives/<h>/queue/agent.
- swarm-secret-client drops queue::agent_client_path / queue::Credential.
- HIVE_AGENT_NATS_URL is now gated on the agents' queue address alone.

The log store's authelia check stays for operators. swarm-nats-auth still
refuses a `-agent` client id; that refusal and `agentClientSuffix` are left
for a follow-up.

Refs #4459
Refs #4765
This commit is contained in:
atlas 2026-10-13 09:49:32 +02:00 • committed by mara
commit 868c6cf96c
41 changed files with 286 additions and 1410 deletions
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29
nix/host-modules/hive-c0re/environment.nix
View file

@ -11,9 +11,8 @@ let
cfg = config.services.hyperhive.c0re;
baoDeploy = config.services.hyperhive.deploy.bao;
baoCfg = config.services.hyperhive.swarm.bao;
# The same test ../glue-queue-agent-credential.nix applies, and for the same
# reason: a reader is defined by holding a certificate the store accepts,
# not by sharing a host with the store. Deriving this from
# A reader is defined by holding a certificate the store accepts, not by
# sharing a host with the store. Deriving this from
# `deploy.bao.enable` would be the co-location assumption itself.
haveBaoClientIdentity = baoDeploy.clientCertFile != null && baoDeploy.clientKeyFile != null;
in
@ -222,31 +221,15 @@ in
# the one the roster gave it.
HIVE_C0RE_OIDC_CLIENT_ID = "hive-${config.services.hyperhive.hiveName}";
}
// {
# Where ../glue-queue-agent-credential.nix lands the AGENTS' queue
# credential. Read by `hive_c0re::lifecycle::host_config`, which stats the
# two files and forwards them into each container as systemd credentials.
# Never read for its contents here: the secret is `0600` root-owned and
# this daemon is `hive-core`, which is exactly why the transport is a
# credential rather than a bind mount.
HIVE_C0RE_AGENT_QUEUE_CREDENTIAL_DIR = toString config.services.hyperhive.deploy.hive-controller.queue.agentCredentialDir;
}
//
# The agents' half of the same queue, forwarded by `hive_c0re::meta` into
# every container. A pair, gated together, because an agent that got one of
# them would report a half-configured queue instead of none.
# every container.
#
# ⚠️ By name, like `HIVE_C0RE_NATS_URL` above, and never a loopback
# address: inside a container `127.0.0.1` is the agent itself.
lib.optionalAttrs
(
config.services.hyperhive.deploy.hive-controller.queue.agentNatsUrl != null
&& config.services.hyperhive.swarm.statusPublish.tokenEndpoint != null
)
{
HIVE_AGENT_NATS_URL = config.services.hyperhive.deploy.hive-controller.queue.agentNatsUrl;
HIVE_AGENT_OIDC_TOKEN_ENDPOINT = config.services.hyperhive.swarm.statusPublish.tokenEndpoint;
}
lib.optionalAttrs (config.services.hyperhive.deploy.hive-controller.queue.agentNatsUrl != null) {
HIVE_AGENT_NATS_URL = config.services.hyperhive.deploy.hive-controller.queue.agentNatsUrl;
}
//
# Where an agent reads the swarm's logs. Gated on the store identity below,
# because `swarm-logs` authenticates with the agent's own queue secret, read