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hyperhive/nix/module-eval/shared.nix
atlas 18ed3f5040 module-eval: evaluate shared fixture configs once
Thirty-three module-eval fixtures were a second (or later) full
`nixosSystem` evaluation of a config another fixture already evaluated:
16 shapes defined identically in two to seven cluster files, plus
duplicates inside agent-queue-bao, core-toggle and
swarm-services-switch. Each cluster imports ./lib.nix itself, so nothing
was shared between them.

nix/module-eval/shared.nix now defines each of those 16 shapes once.
nix/checks.nix instantiates it a single time and passes it as `shared`
to the 23 clusters that read one, and each cluster rebinds the fixture
under its existing local name. Assertions are unchanged. Case text
changes only in core-toggle, where two cases built the forge-host
fixture inline and now read the file's `forgeHere`, and in two inline
`let` bindings (bao-otel-collector, grafana) that now take the shared
fixture.

Six folds are value-equal rather than textually equal: they drop an
explicit `deploy.hive-controller.enable = false` or
`deploy.swarm-otel.enable = false` that equals what the option already
resolves to for that config. Nothing under nix/host-modules sets either
option apart from the `mkDefault allSwarmServices` on swarm-otel, and
the only option-priority read there is `domain.highestPrio`.

Part of #5171.
2026-10-13 08:14:50 +02:00

96 lines
3 KiB
Nix

# The fixtures more than one `checks.module-eval-*` cluster reads, each
# evaluated once. ../checks.nix imports this file once and hands the result to
# every cluster that uses one; a cluster rebinds the fixture under its own
# local name.
#
# ⚠️ Sharing only pays when ../checks.nix instantiates this file ONCE: a
# cluster that ran `import ./shared.nix` itself would get its own copy of
# every fixture, the same as defining them locally. The cost is that each
# fixture here stays live for the whole evaluation rather than one cluster's.
#
# Holds only configs that are identical across their users. A cluster whose
# claim needs one more option set defines its own fixture.
{
pkgs,
lib,
self,
nixosSystem,
}:
let
inherit
(import ./lib.nix {
inherit
pkgs
lib
self
nixosSystem
;
})
hive
hiveWithController
agent
agentWith
;
in
{
agentBare = agent { };
agentWithBao = agentWith { services.hyperhive.agent.bao.addr = "https://bao.t.local:8200"; };
bare = hive { };
bareWithController = hiveWithController { };
allLocal = hiveWithController { deploy.singleHostSwarm = true; };
autheliaOnly = hive { deploy.authelia.enable = true; };
forgeHere = hive { deploy.forgejo.enable = true; };
baoOnly = hive { deploy.bao.enable = true; };
servicesHere = hive { deploy.allSwarmServices = true; };
controllerAlone = hive { deploy.swarm-controller.enable = true; };
matrixNoBaoIdentity = hiveWithController { deploy.matrix.enable = true; };
baoWithMatrix = hiveWithController {
deploy.bao.enable = true;
deploy.matrix.enable = true;
};
# A second job declared as bare `host:port`, so a case can read one rendered
# scrape list where the store's entry carries a path and this one carries
# none.
baoWithCollector = hive {
deploy.bao.enable = true;
deploy.swarm-otel.enable = true;
swarm.otel.scrapeTargets.plain = "127.0.0.1:9999";
};
# `clientSecretFile` is what ../host-modules/otel.nix's identity assertion
# demands of any hive with the tier on.
baoWithHiveOtel = hive {
deploy.bao.enable = true;
otel.enable = true;
otel.clientSecretFile = "/var/lib/hive-otel-oidc/client.secret";
};
# The swarm collector with the IdP on another host and the store leaf placed
# by hand, without and with the collector's own OIDC pair.
otelReaderMissingLeaf = hive {
deploy.swarm-otel.enable = true;
swarm.authelia.url = "https://auth.example.invalid";
deploy.bao.clientCertFile = "/etc/pki/bao-client.pem";
deploy.bao.clientKeyFile = "/etc/pki/bao-client-key.pem";
};
otelReaderNamedInFull = hive {
deploy.swarm-otel.enable = true;
swarm.authelia.url = "https://auth.example.invalid";
deploy.bao.clientCertFile = "/etc/pki/bao-client.pem";
deploy.bao.clientKeyFile = "/etc/pki/bao-client-key.pem";
deploy.bao.otelOidcClientCertFile = "/etc/pki/bao-otel-oidc.pem";
deploy.bao.otelOidcClientKeyFile = "/etc/pki/bao-otel-oidc-key.pem";
};
}