otel-config.yaml

# To limit exposure to denial of service attacks, change the host in endpoints below from 0.0.0.0 to a specific network interface.
# See https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/security-best-practices.md#safeguards-against-denial-of-service-attacks

extensions:
  health_check:
    endpoint: localhost:13133
  pprof:
    endpoint: localhost:1777
  zpages:
    endpoint: localhost:55679
  ddflare:
    endpoint: localhost:7777


receivers:
  otlp:
    protocols:
      grpc:
        endpoint: 0.0.0.0:4317
      http:
        endpoint: 0.0.0.0:4318
    # Collect own metrics
  prometheus:
    config:
      scrape_configs:
      - job_name: 'otel-collector'
        scrape_interval: 60s
        static_configs:
        - targets: ['0.0.0.0:8888']
        metric_relabel_configs:
        - source_labels: [__name__]
          regex: ".*grpc_io.*"
          action: drop
exporters:
  datadog:
    traces:
      span_name_as_resource_name: true
    hostname: "otelcol-docker"
    api:
      key: ${env:DD_API_KEY}
      site: ${env:DD_SITE}
processors:
  infraattributes:
  batch:
  # using the sampler
  probabilistic_sampler:
    sampling_percentage: 30
connectors:
  # Use datadog connector to compute stats for pre-sampled traces
  datadog/connector:
    traces:
      span_name_as_resource_name: true
      compute_stats_by_span_kind: true
      peer_tags_aggregation: true
service:
  extensions: [health_check, pprof, zpages, ddflare]
  pipelines:
    traces: # this pipeline computes APM stats
      receivers: [otlp]
      processors: [batch]
      exporters: [datadog/connector]
    traces/sampling: # this pipeline uses sampling and sends traces
      receivers: [otlp]
      processors: [probabilistic_sampler, infraattributes,batch]
      exporters: [datadog]
    metrics:
      receivers: [otlp, datadog/connector, prometheus]
      processors: [infraattributes,batch]
      exporters: [datadog]
    logs:
      receivers: [otlp]
      processors: [infraattributes, batch]
      exporters: [datadog]