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deploy: move the swarm collector toggle

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The one move where the suffix grep is the wrong instrument. There are two
otel options a word apart — `swarm.otel.enable` (one per swarm) and
`otel.enable` (one per hive, every hive runs it) — so `\.otel\.enable`
matches twenty-five references of which most must not change. The module
already carries a comment warning about exactly this, on a line that
names `swarm.otel` in full rather than through a binding.

Triaged by hand and confirmed the other way round: after the move, a grep
for the per-hive option still finds it in the files that should keep it.

Also worth recording what the alias sweep cannot do. `swarm.nix` reads
this as `swarmCfg.otel.enable`, where `swarmCfg = cfg.swarm` and `cfg =
config.services.hyperhive` — an alias bound to an alias, two hops from
the option path. No syntactic sweep resolves that chain, which is why the
module system's own evaluation is the only complete check here and the
static sweeps are a way to narrow the work, not to finish it.
This commit is contained in:
atlas 2026-08-30 03:35:23 +02:00 • committed by mara
commit ba5ab313b3
10 changed files with 54 additions and 52 deletions
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24
nix/host-modules/deploy.nix
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@ -61,6 +61,10 @@ in
[ "services" "hyperhive" "swarm" "nats" "enable" ]
[ "services" "hyperhive" "deploy" "nats" ]
)
(lib.mkRenamedOptionModule
[ "services" "hyperhive" "swarm" "otel" "enable" ]
[ "services" "hyperhive" "deploy" "otel" ]
)
];
options.services.hyperhive.deploy = {
@ -123,6 +127,26 @@ in
'';
};
otel = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
Run the **swarm's** telemetry collector on this host.
Derives from
{option}`services.hyperhive.swarm.enableRequiredServices` with the
metrics pair it feeds: a swarm has one of these, and it belongs
wherever the shared services live rather than on every hive.
⚠️ Not to be confused with
{option}`services.hyperhive.otel.enable`, the **hive-tier**
collector, which every hive runs and which is a different option.
A hive that does not run the swarm collector still runs its own,
and reaches this one by name at
{option}`services.hyperhive.swarm.otel.domain`.
'';
};
nats = lib.mkOption {
type = lib.types.bool;
default = false;