# Configuration file that uses the Splunk exporters (OTLP HTTP, SignalFx) to push
# data to Splunk products.

extensions:
  headers_setter:
    headers:
      - action: upsert
        key: X-SF-TOKEN
        from_context: X-SF-TOKEN
        default_value: "${SPLUNK_ACCESS_TOKEN}"
  health_check:
    endpoint: "${SPLUNK_LISTEN_INTERFACE}:13133"
  http_forwarder:
    ingress:
      endpoint: "${SPLUNK_LISTEN_INTERFACE}:6060"
    egress:
      endpoint: "https://api.${SPLUNK_REALM}.signalfx.com"
  http_forwarder/signalfx:
    ingress:
      endpoint: "${SPLUNK_LISTEN_INTERFACE}:9943"
      # Whether to propagate the client metadata from the incoming requests to the backend.
      # Should be enabled to preserve incoming access token
      # include_metadata: true
    egress:
      endpoint: "https://ingest.${SPLUNK_REALM}.signalfx.com"
  zpages:
    endpoint: "${SPLUNK_LISTEN_INTERFACE}:55679"
    expvar:
      enabled: true

receivers:
  jaeger:
    protocols:
      grpc:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:14250"
      thrift_binary:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:6832"
      thrift_compact:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:6831"
      thrift_http:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:14268"
  otlp:
    protocols:
      grpc:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:4317"
        # Uncomment below config to preserve incoming access token and use it instead of the token value set in exporter config
        # include_metadata: true
      http:
        endpoint: "${SPLUNK_LISTEN_INTERFACE}:4318"
        # Uncomment below config to preserve incoming access token and use it instead of the token value set in exporter config
        # include_metadata: true
  # This section is used to collect the OpenTelemetry Collector metrics
  # Even if just a Splunk APM customer, these metrics are included
  prometheus/internal:
    config:
      scrape_configs:
      - job_name: 'otel-collector'
        scrape_interval: 10s
        static_configs:
        - targets: ['0.0.0.0:8888']
        metric_relabel_configs:
          - source_labels: [ __name__ ]
            regex: 'promhttp_metric_handler_errors.*'
            action: drop
          - source_labels: [ __name__ ]
            regex: 'otelcol_processor_batch_.*'
            action: drop
  zipkin:
    endpoint: "${SPLUNK_LISTEN_INTERFACE}:9411"

processors:
  batch:
    metadata_keys:
      - X-SF-Token
  # Enabling the memory_limiter is strongly recommended for every pipeline.
  # Configuration is based on the amount of memory allocated to the collector.
  # For more information about memory limiter, see
  # https://github.com/open-telemetry/opentelemetry-collector/blob/main/processor/memorylimiter/README.md
  memory_limiter:
    check_interval: 2s
    limit_mib: ${SPLUNK_MEMORY_LIMIT_MIB}

  # Optional: The following processor can be used to add a default "deployment.environment" attribute to the traces
  # when it's not populated by instrumentation libraries.
  # If enabled, make sure to enable this processor in the pipeline below.
  #resource/add_environment:
    #attributes:
      #- action: insert
        #value: staging/production/...
        #key: deployment.environment

  # The following processor is used to add "otelcol.service.mode" attribute to the internal metrics
  resource/add_mode:
    attributes:
      - action: insert
        value: "gateway"
        key: otelcol.service.mode

  # Detect if the collector is running on a cloud system. Overrides resource attributes set by receivers.
  # Detector order is important: the `system` detector goes last so it can't preclude cloud detectors from setting host/os info.
  # https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/processor/resourcedetectionprocessor#ordering
  resourcedetection/internal:
    detectors: [gcp, ecs, ec2, azure, system]
    override: true

exporters:
  # Traces
  otlphttp:
    traces_endpoint: "${SPLUNK_INGEST_URL}/v2/trace/otlp"
    sending_queue:
      num_consumers: 32
    headers:
      "X-SF-Token": "${SPLUNK_ACCESS_TOKEN}"
    auth:
      authenticator: headers_setter
  # Metrics + Events
  signalfx:
    access_token: "${SPLUNK_ACCESS_TOKEN}"
    realm: "${SPLUNK_REALM}"
    sending_queue:
      num_consumers: 32
  signalfx/internal:
    access_token: "${SPLUNK_ACCESS_TOKEN}"
    realm: "${SPLUNK_REALM}"
    sync_host_metadata: true
  # Debug
  #debug:
    #verbosity: detailed
  # Logs
  splunk_hec:
    token: "${SPLUNK_HEC_TOKEN}"
    endpoint: "${SPLUNK_HEC_URL}"
    source: "otel"
    sourcetype: "otel"
    profiling_data_enabled: false
  # Profiling
  splunk_hec/profiling:
    token: "${SPLUNK_ACCESS_TOKEN}"
    endpoint: "${SPLUNK_INGEST_URL}/v1/log"
    log_data_enabled: false
  # To send entities (applicable only if discovery mode is enabled)
  otlphttp/entities:
    logs_endpoint: "${SPLUNK_INGEST_URL}/v3/event"
    headers:
      "X-SF-Token": "${SPLUNK_ACCESS_TOKEN}"
    auth:
      authenticator: headers_setter

connectors:
  # Routing connector to separate entity events from regular logs
  routing/logs:
    default_pipelines: [logs]
    table:
      - context: log
        condition: instrumentation_scope.attributes["otel.entity.event_as_log"] == true
        pipelines: [logs/entities]

service:
  extensions: [headers_setter, health_check, http_forwarder, http_forwarder/signalfx, zpages]
  pipelines:
    traces:
      receivers: [jaeger, otlp, zipkin]
      processors:
      - memory_limiter
      - batch
      #- resource/add_environment
      exporters: [otlphttp]
    metrics:
      receivers: [otlp]
      processors: [memory_limiter, batch]
      exporters: [signalfx]
    metrics/internal:
      receivers: [prometheus/internal]
      processors: [memory_limiter, batch, resourcedetection/internal, resource/add_mode]
      exporters: [signalfx/internal]
    logs:
      receivers: [routing/logs]
      processors: [memory_limiter, batch]
      exporters: [splunk_hec, splunk_hec/profiling]
    logs/entities:
      receivers: [routing/logs]
      processors: [memory_limiter, batch]
      exporters: [otlphttp/entities]
    logs/split:
      receivers: [otlp]
      exporters: [routing/logs]