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hyperhive/nix/host-modules/glue-bao-readers-policy-order.nix
atlas e2da5509ae swarm-ci-runner: run the forge CI runner as a swarm service
The CI runner was a hive deploy module: hive-ci.nix ran it beside the
forge, and hive-c0re registered it through the forge's admin API with
the `core` token, writing the registration token through hive-priv. It
could only run on the forge's host, and it kept an admin-scoped forge
token on a hive.

Now the runner is a swarm service:

- swarm-ci-runner.nix runs it in a `swarm-ci-runner` container on the
  host that sets deploy.ci-runner.enable, reaching the forge by name.
  It needs neither the forge nor a hive there.
- swarm-controller reads the forge's runner registration token with its
  own admin token and writes it to swarm/services/ci-runner/
  registration-token whenever it differs from what it last wrote. Its
  grant on that path is create/update only.
- The runner's own leaf (CN swarm-ci-runner, role and policy of the same
  name) reads that one path. swarm-bao-ci-runner.service fetches it into
  the runner's EnvironmentFile and restarts the runner on a change.
- A pre-start step removes .runner when the daemon's journal since its
  last start holds Forgejo's "unregistered runner" refusal (the daemon
  exits 1 when its startup Declare gets it), or when .runner names
  another forge address; upstream's pre-start step then registers again.

Removed from the hive side: hive-ci.nix and deploy.forgejo.ci.*,
forge/ci_runner.rs, PrivRequest::RegisterCiRunner and its handler and
ReadWritePaths entry, InfraContainer::Ci with hivectl's --ci and the
dashboard's hive-ci journal entry, HYPERHIVE_FORGE_CI_ENABLED, and
read:admin,write:admin from CORE_TOKEN_SCOPES: nothing else in hive-c0re
calls /api/v1/admin/*. The old ci options, under both swarm.forge.ci and
deploy.forgejo.ci, now fail evaluation naming deploy.ci-runner.

The forge's half of the old ci.enable, the actions/checkout mirror and
DEFAULT_ACTIONS_URL = self, is deploy.forgejo.actionsFromSelf.

Closes #4954
2026-10-05 13:55:37 +02:00

81 lines
3 KiB
Nix

# Glue: where the store and one of its readers share a host, the reader waits
# for the unit that writes the cert-auth role it logs in with.
#
# ONE PAIRING PER FILE — the store's reader policy units ← the readers
# they grant, and nothing else. Deleting this leaves every reader as it is on a
# host whose store is remote: it may log in before its role exists, and its own
# retries are what carry it past that.
#
# ⚠️ Gated on BOTH the store and that reader being here. Off the store's host
# there is no local policy unit to order against. On the store's host without
# the reader, setting `systemd.services.<reader>.after` would define a unit
# with no ExecStart, so each gate below restates the one the reader's own
# module puts on it. A reader whose gate changes must change here too.
#
# Ordering, never a requirement: a policy unit that failed still counts as
# done, and the reader's own retries carry it past that. `wants` as well as
# `after`, so a reader started on its own pulls its policy unit into the same
# transaction.
{
lib,
config,
...
}:
let
hyperhiveCfg = config.services.hyperhive;
deployCfg = hyperhiveCfg.deploy;
baoDeploy = deployCfg.bao;
havePair = cert: key: cert != null && key != null;
# Reader unit → the gate its own module defines it under.
readersHere = {
# ./glue-queue-agent-credential.nix
swarm-bao-queue-agent =
deployCfg.hive-controller.enable
&& havePair baoDeploy.queueAgentClientCertFile baoDeploy.queueAgentClientKeyFile;
# ./swarm-grafana.nix
swarm-bao-grafana-oidc = deployCfg.grafana.enable;
# ./swarm-otel.nix
swarm-bao-otel-oidc =
deployCfg.swarm-otel.enable
&& havePair baoDeploy.otelOidcClientCertFile baoDeploy.otelOidcClientKeyFile;
# ./swarm-bao.nix: its block is gated on the store, which `orderAfterPolicy`
# already checks.
swarm-bao-forwarder-oidc = true;
# ./swarm-nats.nix: the queue's TLS leaf, not a secret, but the same wait.
swarm-bao-nats-tls = deployCfg.nats.enable;
# ./swarm-ci-runner.nix
swarm-bao-ci-runner = deployCfg.ci-runner.enable;
};
# Readers that log in under another unit's principal: reader unit → the
# gate its own module defines it under, and that principal's policy unit.
readersOfOtherPolicy = {
# ./swarm-nats.nix, under the queue responder's leaf.
swarm-bao-nats-auth-oidc = {
here = deployCfg.nats.enable;
policy = "swarm-bao-nats-auth-policy";
};
# ./hive-matrix.nix, under matrix-ctl's leaf.
swarm-bao-matrix-oidc = {
here = deployCfg.matrix.enable;
policy = "swarm-bao-matrix-ctl-policy";
};
};
orderAfterPolicy =
reader: here: policy:
lib.mkIf (baoDeploy.enable && here) {
systemd.services.${reader} = {
after = [ "${policy}.service" ];
wants = [ "${policy}.service" ];
};
};
in
{
config = lib.mkMerge (
lib.mapAttrsToList (reader: here: orderAfterPolicy reader here "${reader}-policy") readersHere
++ lib.mapAttrsToList (reader: r: orderAfterPolicy reader r.here r.policy) readersOfOtherPolicy
);
}