a5eb3c15c4
Four comments pointed at ./swarm-otel.nix for something the split moved to ./swarm-otel-service.nix: `domain` (otel.nix), `domainBase` (swarm-ui.nix), the `clientId`/`audience` options (glue-swarm-otel-oidc-client.nix), and `producerName` (swarm-otel.nix's own "Read-only option below"). Every other pointer to ./swarm-otel.nix names its `config` block, units, exporters, authenticators or assertions, which stayed. Refs #3742
58 lines
2.5 KiB
Nix
58 lines
2.5 KiB
Nix
# Glue: register the swarm's collector as an OIDC client wherever authelia
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# runs.
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#
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# ONE PAIRING PER FILE — swarm-otel ← authelia, and nothing else. Deleting
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# this leaves a swarm whose collector is not a client authelia has ever heard
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# of, so no token it presents is ever accepted and authelia mints no secret
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# for the publisher to send on.
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#
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# ⚠️ Gated on authelia being HERE, and deliberately NOT on this host running
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# the collector. A client is a row in THIS host's provider config, so it can
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# only be declared where that config is rendered — and ./swarm-otel.nix's
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# whole `config` block hangs off `deploy.swarm-otel.enable`, so a swarm with
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# the collector and authelia on different hosts registered the client
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# nowhere at all. Same bug, same fix, as ./glue-grafana-oidc-client.nix one
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# module over — read that file's own comment for the property this one
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# shares with it.
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#
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# ⚠️ Registered whether or not the swarm has a collector, for the same
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# reason as Grafana's: nothing in `swarm.*` records that one exists,
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# `deploy.swarm-otel.enable` only answers "does THIS host run it". The cost
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# is one unused client and one unused minted secret in a swarm with no
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# collector — the same trade ./swarm-otel.nix already made for this exact
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# client when it dropped the published-scrape-target guard on registering it.
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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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hyperhiveCfg = config.services.hyperhive;
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deployCfg = hyperhiveCfg.deploy;
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otelCfg = hyperhiveCfg.swarm.otel;
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in
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{
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config = lib.mkIf deployCfg.authelia.enable {
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# One declaration, two readers: `clientId` and `audience` are read-only
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# options ./swarm-otel-service.nix derives from the scrape/push targets it
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# owns, so this file states neither formula a second time.
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services.hyperhive.swarm.authelia.oidc.clients = [
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{
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id = otelCfg.clientId;
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description = "HyperHive swarm collector";
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kind = "machine";
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# Grants `authelia.bearer.authz`, without which the authz endpoint
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# refuses an otherwise valid token and blames the token rather than
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# the missing grant.
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bearerAuthz = true;
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audience = otelCfg.audience;
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# Stated rather than left on authelia's default, because the two
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# agreeing today is not the same as this being the required value:
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# authelia permits only basic / JWT methods for a confidential
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# client holding this scope, and enforces it in the startup
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# validator.
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tokenEndpointAuthMethod = "client_secret_basic";
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}
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];
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};
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}
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