AWS Lambda logs in context of traces

1from opentelemetry import trace
2
3def dt_log(msg):
4  ctx = trace.get_current_span().get_span_context()
5  trace_id = format(ctx.trace_id, "032x")
6  span_id =  format(ctx.span_id, "016x")
7  print("[!dt dt.trace_id={},dt.span_id={}] - {}".format(trace_id, span_id, msg));
8
9def lambda_handler(event, context):
10  msg = "Hello World"
11
12  dt_log(msg)
13
14  return {
15      "statusCode": 200,
16      "body": msg
17  }

1const opentelemetry = require('@opentelemetry/api');
2
3function dtLog(msg) {
4  const spanContext = opentelemetry.trace.getSpanContext(opentelemetry.context.active()) ?? opentelemetry.INVALID_SPAN_CONTEXT;
5  console.log(`[!dt dt.trace_id=${spanContext.traceId},dt.span_id=${spanContext.spanId}] - ${msg}`);
6}
7
8exports.handler = function(event, context) {
9  const msg = "Hello World"
10
11  dtLog(msg);
12
13  context.succeed({
14    statusCode: 200,
15    body: msg
16  });
17};

1const otelApi = require('@opentelemetry/api');
2const { registerInstrumentations } = require('@opentelemetry/instrumentation');
3const { WinstonInstrumentation } = require('@opentelemetry/instrumentation-winston');
4
5registerInstrumentations({
6  instrumentations: [new WinstonInstrumentation()],
7});
8
9const winston = require('winston');
10
11exports.handler = function (event, context, callback) {
12  const logger = winston.createLogger({
13    transports: [new winston.transports.Console()],
14  });
15
16  logger.info('winston info log');
17
18  context.succeed({
19    statusCode: 200,
20    body: 'Hello from AWS Lambda Node.js',
21  });
22}

1package com.amazonaws.lambda.demo;
2
3import com.amazonaws.services.lambda.runtime.Context;
4import com.amazonaws.services.lambda.runtime.RequestHandler;
5
6import io.opentelemetry.api.trace.Span;
7import io.opentelemetry.api.trace.SpanContext;
8
9public class HelloJava implements RequestHandler<Object, String> {
10
11  private static void dtLog(final String msg) {
12    SpanContext spanContext = Span.current().getSpanContext();
13    System.out.printf(
14      "[!dt dt.trace_id=%s,dt.span_id=%s] - %s%n",
15      spanContext.getTraceId(),
16      spanContext.getSpanId(),
17      msg
18    );
19  }
20
21  @Override
22  public String handleRequest(Object input, Context context) {
23    String msg = "Hello World";
24
25    dtLog(msg);
26
27    return msg;
28  }
29}