Java — AWS Lambda

receivers:
  telemetryapi:

  otlp:
    protocols:
      grpc:
      http:

exporters:
  otlp_http/trace0:
    endpoint: https://app.trace0hq.com/api
    headers:
      X-API-KEY: 'YOUR_TRACE0_ENV_API_KEY'

processors:
  batch:

  decouple:

  resource:
    attributes:
      - key: service.name
        value: "${env:OTEL_SERVICE_NAME}"
        action: upsert

service:
  pipelines:
    traces:
      receivers: [otlp]
      processors: [resource, batch, decouple]
      exporters: [otlp_http/trace0]

    metrics:
      receivers: [otlp]
      processors: [resource, batch, decouple]
      exporters: [otlp_http/trace0]

    logs:
      receivers: [otlp, telemetryapi]
      processors: [resource, batch, decouple]
      exporters: [otlp_http/trace0]

import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
import io.opentelemetry.api.trace.Span;
import io.opentelemetry.api.trace.StatusCode;

public class Handler implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {

    @Override
    public APIGatewayProxyResponseEvent handleRequest(APIGatewayProxyRequestEvent event, Context context) {
        String httpMethod = event.getHttpMethod();
        String path = event.getPath();

        // Set the http request method and route on the parent span.
        Span span = Span.current();
        span.setAttribute("http.request.method", httpMethod);
        span.setAttribute("http.route", path);

        APIGatewayProxyResponseEvent result = processRequest(event)

        // Set the HTTP response code and mark the span as failed for 4xx/5xx responses.
        span.setAttribute("http.response.status_code", result.getStatusCode());
        span.setStatus(result.getStatusCode() < 400 ? StatusCode.OK : StatusCode.ERROR);
        
        return result;
    }
}