# OpenTelemetry Collector for the Scrabble contour. Receives OTLP/gRPC from the
# three services (backend, gateway, connector — pkg/telemetry exports OTLP only),
# fans metrics out to a Prometheus scrape endpoint and traces to Tempo.
receivers:
  otlp:
    protocols:
      grpc:
        endpoint: 0.0.0.0:4317

processors:
  batch: {}

exporters:
  # Exposes the collected metrics for Prometheus to scrape (otelcol:9464/metrics).
  # add_metric_suffixes:false keeps the instrument names verbatim (no _seconds /
  # _total unit/type suffixes) so the dashboards' PromQL matches the names defined
  # in code; resource_to_telemetry_conversion promotes service.name to a label.
  prometheus:
    endpoint: 0.0.0.0:9464
    add_metric_suffixes: false
    resource_to_telemetry_conversion:
      enabled: true
  # Forwards traces to Tempo's OTLP ingest.
  otlp/tempo:
    endpoint: tempo:4317
    tls:
      insecure: true

service:
  pipelines:
    traces:
      receivers: [otlp]
      processors: [batch]
      exporters: [otlp/tempo]
    metrics:
      receivers: [otlp]
      processors: [batch]
      exporters: [prometheus]