otel: finish the agent collector name in option and network docs
The otel enable description and the exposeHostPorts example in network.md still described agents dialing a bridge address. Rewrap the two long lines the earlier edit left.
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3 changed files with 18 additions and 13 deletions
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@ -119,10 +119,10 @@ plus whatever swarm-service names this host contributes via
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(matrix) when this host runs those services, `auth.<swarm-domain>`
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(matrix) when this host runs those services, `auth.<swarm-domain>`
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when it runs authelia, and `hive-collector.<swarm-domain>` on every hive
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when it runs authelia, and `hive-collector.<swarm-domain>` on every hive
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with `otel.enable` — answering each with the bridge IP (where nginx
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with `otel.enable` — answering each with the bridge IP (where nginx
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is reachable, and where the hive's own collector listens). Note forge and matrix are swarm-domain names, not
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is reachable, and where the hive's own collector listens). Note forge and
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sub-domains of `<hive-domain>`: a swarm runs one forge and one
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matrix are swarm-domain names, not sub-domains of `<hive-domain>`: a swarm
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homeserver, so their names belong to the swarm rather than to whichever
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runs one forge and one homeserver, so their names belong to the swarm rather
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hive happens to host them. dnsmasq forwards everything else to the host's
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than to whichever hive happens to host them. dnsmasq forwards everything else to the host's
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own resolvers: it runs on the host and reads the host's
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own resolvers: it runs on the host and reads the host's
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`/etc/resolv.conf` directly. Containers don't need to know the
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`/etc/resolv.conf` directly. Containers don't need to know the
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upstream — they query the bridge IP and dnsmasq does the right thing
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upstream — they query the bridge IP and dnsmasq does the right thing
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@ -188,8 +188,10 @@ that `otel.endpoint` is the _upstream_, which no agent ever dials. See
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`services.hyperhive.network.exposeHostPorts = [ 4318 ];` opens each
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`services.hyperhive.network.exposeHostPorts = [ 4318 ];` opens each
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listed TCP port `P` on the bridge-interface `allowedTCPPorts`, so an
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listed TCP port `P` on the bridge-interface `allowedTCPPorts`, so an
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agent can connect to `<bridgeIp>:P` (point the collector endpoint at
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agent can connect to `<bridgeIp>:P` (for a dev OTLP collector, point its
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`http://<bridgeIp>:4318`, default `http://10.42.0.1:4318`).
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endpoint at `http://<bridgeIp>:4318`, default `http://10.42.0.1:4318`).
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The hive's own collector needs none of this: agents dial it by
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`otel.collector.host`.
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<!-- vale write-good.Passive = NO -->
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<!-- vale write-good.Passive = NO -->
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@ -41,11 +41,12 @@ destination in its own right. With both, telemetry goes to both. See
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**Telemetry leaves a hive exactly one way: through the collector that
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**Telemetry leaves a hive exactly one way: through the collector that
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`enable` starts on the host.** Agents never talk to `endpoint` themselves —
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`enable` starts on the host.** Agents never talk to `endpoint` themselves —
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they export unauthenticated to a bridge address only their own containers can
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they export unauthenticated to a collector address only their own containers
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reach. They dial it as `http://hive-collector.<swarm domain>:<collector port>`,
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can reach. They dial it as
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a name identical on every hive, which each hive's own dnsmasq
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`http://hive-collector.<swarm domain>:<collector port>`, a name identical on
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answers with its bridge IP, so an agent's build carries no hive-specific
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every hive, which each hive's own dnsmasq answers with its bridge IP, so an
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address. The otel module opens that port on the bridge itself. That collector forwards to the swarm's
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agent's build carries no hive-specific address. The otel module opens that
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port on the bridge itself. That collector forwards to the swarm's
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([`swarm/services.md`](../swarm/services.md#telemetry-collector-otel)), the
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([`swarm/services.md`](../swarm/services.md#telemetry-collector-otel)), the
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single process holding the upstream credential and the only writer to the
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single process holding the upstream credential and the only writer to the
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swarm's stores. No agent holds a copy, and neither does the hive.
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swarm's stores. No agent holds a copy, and neither does the hive.
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@ -67,8 +67,10 @@ in
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Enabling this also runs this hive's collector on the host: there is
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Enabling this also runs this hive's collector on the host: there is
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exactly one way telemetry leaves this hive, and it is through that
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exactly one way telemetry leaves this hive, and it is through that
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collector. Agents export unauthenticated to a bridge address only
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collector. Agents export unauthenticated to
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their own containers can reach.
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{option}`services.hyperhive.otel.collector.host`, a name this hive's
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resolver answers with a bridge address only its own containers can
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reach.
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That collector forwards to the swarm's
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That collector forwards to the swarm's
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({option}`services.hyperhive.deploy.swarm-otel.enable`), which holds the
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({option}`services.hyperhive.deploy.swarm-otel.enable`), which holds the
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