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fix(controller): move self-metrics port off oteldb's admin API bind #13

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Merged
tdakkota merged 1 commit into from
Aug 17, 2026
Merged

fix(controller): move self-metrics port off oteldb's admin API bind #13

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4 changes: 3 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -135,9 +135,11 @@ config file.
## Ports

Client APIs (exposed by the client Service): `4317` OTLP gRPC, `4318` OTLP HTTP, `19291` Prometheus
remote-write, `9090` PromQL, `3200` TraceQL (Tempo), `3100` LogQL (Loki), `4040` Pyroscope, `8090`
remote-write, `9090` PromQL, `3200` TraceQL (Tempo), `3100` LogQL (Loki), `4040` Pyroscope, `9464`
self-metrics, `13133` health. Peer replication: `7946` (headless Service).

`8090` is deliberately not exposed: it is oteldb's admin API bind, not a self-metrics endpoint.

## Getting Started

Prerequisites: Go 1.26+, a Kubernetes cluster, `kubectl`, and (for building the image) Docker.
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20 changes: 11 additions & 9 deletions internal/controller/naming.go
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Expand Up @@ -51,15 +51,17 @@ const (

// Container ports exposed by every oteldb node. Names must be <= 15 chars (k8s port-name limit).
const (
portOTLPGRPC = 4317
portOTLPHTTP = 4318
portPromRW = 19291
portPromHTTP = 9090
portTempoHTTP = 3200
portLokiHTTP = 3100
portPyroscope = 4040
portHealth = 13133
portSelfMetric = 8090
portOTLPGRPC = 4317
portOTLPHTTP = 4318
portPromRW = 19291
portPromHTTP = 9090
portTempoHTTP = 3200
portLokiHTTP = 3100
portPyroscope = 4040
portHealth = 13133
// portSelfMetric is the OpenTelemetry default Prometheus exporter port. It must not be 8090:
// that is oteldb's own admin API bind (admin.bind defaults to :8090).
portSelfMetric = 9464
// portPeer is the default; the effective value comes from spec.cluster.peerPort.
portPeer = 7946
)
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