# OpenTelemetry Collector + Tempo — Auto-generated by hmcmkit
# Distributed tracing: App → OTel Collector → Tempo → Grafana

# OpenTelemetry Collector
# helm install otel open-telemetry/opentelemetry-collector -f otel-tempo.values.yaml
opentelemetry-collector:
  mode: deployment
  config:
    receivers:
      otlp:
        protocols:
          grpc: { endpoint: "0.0.0.0:4317" }
          http: { endpoint: "0.0.0.0:4318" }
    processors:
      batch:
        timeout: 5s
        send_batch_size: 1024
    exporters:
      otlp:
        endpoint: "tempo:4317"
        tls: { insecure: true }
      prometheus:
        endpoint: "0.0.0.0:8889"
    connectors:
      spanmetrics:
        histogram:
          explicit:
            buckets: [5ms, 10ms, 25ms, 50ms, 100ms, 250ms, 500ms, 1s, 2.5s]
        dimensions:
          - name: http.method
          - name: http.status_code
          - name: service.name
    service:
      pipelines:
        traces:
          receivers: [otlp]
          processors: [batch]
          exporters: [otlp]
        traces/sentry:
          receivers: [otlp]
          processors: [batch]
          exporters: [sentry]
        metrics:
          receivers: [otlp, spanmetrics]
          processors: [batch]
          exporters: [prometheus]

# Sentry Exporter — Forward error spans to Sentry for correlation
# Traces with error status → Sentry issue linkage
sentry-exporter:
  dsn: "${SENTRY_DSN}"
  environment: "${ENVIRONMENT}"
  insecure: false

# Tempo (Trace Backend)
# helm install tempo grafana/tempo -f otel-tempo.values.yaml
tempo:
  persistence:
    enabled: true
    size: 10Gi
  config:
    server:
      http_listen_port: 3100
    distributor:
      receivers:
        otlp:
          protocols:
            grpc: {}
    storage:
      trace:
        backend: local
        local:
          path: /var/tempo/traces

# Blackbox Exporter (Uptime Monitoring)
# helm install blackbox prometheus-community/prometheus-blackbox-exporter
blackbox-exporter:
  config:
    modules:
      http_2xx:
        prober: http
        timeout: 5s
        http:
          valid_http_versions: ["HTTP/1.1", "HTTP/2.0"]
          valid_status_codes: [200, 301, 302]
          follow_redirects: true