d2fb4bff79
Drops swarm.otel.url (a loopback default an operator had to override on a split host) in favor of swarm.otel.domain -- the same gateway.localNames + nginx-vhost-through-the-gateway shape every other swarm service (authelia, grafana, victoriametrics, ui) already uses. The hive tier's exporter now reaches it as https://<domain> unconditionally, resolved locally by dnsmasq on a co-located host and over the real network otherwise, instead of a config knob nobody sets until they hit the silent drop. Costs CA trust on the hive tier: otel.nix wires lib/hive-ca-trust.nix's trustBundle with hostUnit = true on the opentelemetry-collector host unit, the same flag #3441/#3442 added for swarm-controller and hive-c0re. mara, #3125 comment 58363: "go c".
84 lines
3.8 KiB
Nix
84 lines
3.8 KiB
Nix
# "The swarm-wide services run HERE."
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#
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# A swarm has one forge, one matrix, one SSO. This says this host is
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# where they live, and asserts the per-service `enable`s that follow —
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# the same mode-not-default shape as ./local-defaults.nix, one tier down.
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#
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# Only the *optional* services derive: matrix and authelia. The forge has
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# no `enable` to assert, because it is not optional — it is the canonical
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# store for the meta flake and every agent's config repo, so it deploys
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# with hyperhive itself.
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{
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lib,
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config,
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...
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}:
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let
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swarmCfg = config.services.hyperhive.swarm;
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in
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{
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options.services.hyperhive.swarm.enableRequiredServices = lib.mkOption {
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type = lib.types.bool;
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default = false;
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example = true;
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description = ''
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Host the swarm's shared services on this hive. The services that
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exist once per swarm rather than once per hive and are *optional*
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— the matrix homeserver, the SSO provider — have their `enable`
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asserted from this, so a swarm's service host is declared in one
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place.
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The forge is swarm-wide too but has nothing to assert: it is the
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canonical store for the meta flake and every agent's config repo,
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so it deploys with hyperhive itself and is not optional.
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`services.hyperhive.enableAllLocalDefaults` turns this on as part
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of the all-on-one-box mode. Set it directly to run the swarm's
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services on a host that is not otherwise all-local — a dedicated
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services box with hives elsewhere is exactly that shape.
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With it off, this hive is a *client* of those services: it still
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configures how to reach them, it just doesn't run them.
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'';
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};
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# Same precedence reasoning as ./local-defaults.nix: fills in for an
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# operator who hasn't spoken, yields to one who has.
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config.services.hyperhive.swarm = {
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matrix.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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authelia.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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# The queue. Added later than the two above and missed at the time —
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# this file predates the `swarm-nats` container by nine days and had
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# not been revisited since, so its absence was sequence rather than
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# intent. It meets the rule in the option's own description exactly:
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# once per swarm, and optional.
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#
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# The tell that it was an omission: `local-defaults.nix` already
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# derives `nats.autoGenerateCallout` from the all-local mode, so that
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# mode was minting the queue's callout nkeys and then never starting
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# the queue they authenticate against.
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nats.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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# The metrics pair. Once per swarm and optional, so they meet the rule
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# in the option's description the same way the three above do — a hive
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# that is not the service host is a *client* of this Grafana, not a
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# second one.
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#
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# They derive together on purpose: a store with no UI is unreadable and
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# a UI with no store is empty, so there is no sensible deployment that
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# takes one and not the other from this switch. An operator who wants
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# exactly one still sets it directly, which `mkDefault` allows.
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victoriametrics.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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grafana.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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# The collector that feeds the pair above, and the only tier holding
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# the upstream credential. Same rule as the rest: once per swarm,
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# optional, and a hive that is not the service host is a *client* of
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# it (by name, `swarm.otel.domain`) rather than a second one.
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otel.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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};
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# The collector that feeds the pair above (note: no `swarm.` prefix,
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# this is ./otel.nix's existing per-hive option).
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config.services.hyperhive.otel.enable = lib.mkDefault swarmCfg.enableRequiredServices;
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}
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