otel-dns-net-http-combined

otel-dns-net-http-combined.js

'use strict';

const { diag, DiagConsoleLogger, DiagLogLevel } = require('@opentelemetry/api');
const { NodeTracerProvider } = require('@opentelemetry/node');
const { NetInstrumentation } = require('@opentelemetry/instrumentation-net');
const { DnsInstrumentation } = require('@opentelemetry/instrumentation-dns');
const { registerInstrumentations } = require('@opentelemetry/instrumentation');
const { SimpleSpanProcessor, ConsoleSpanExporter } = require('@opentelemetry/tracing');

const provider = new NodeTracerProvider();
provider.register();

diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.ALL);
provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));

registerInstrumentations({
  instrumentations: [
    new NetInstrumentation(),
    new DnsInstrumentation({
      // Avoid dns lookup loop with http zipkin calls
      ignoreHostnames: ['localhost'],
    }),
    // new TLSInstrumentation(),
  ],
  tracerProvider: provider,
});

const net = require('net');
const dns = require('dns');
const https = require('https');

https.get('https://opentelemetry.io/', (res) => {
  console.log('statusCode:', res.statusCode);
  console.log('headers:', res.headers);

  res.on('data', () => {
    process.stdout.write('.');
  });
}).on('error', (e) => {
  console.error(e);
});

output.txt

Applying patch for net module
Applying patch for dns
patch lookup function
patch lookup function
PluginLoader#load: trying to load [email protected]
PluginLoader#load: applying patch to [email protected] using @opentelemetry/plugin-dns module
PluginLoader#load: could not load plugin @opentelemetry/plugin-dns of module dns. Error: Cannot find module '@opentelemetry/plugin-dns'
Require stack:
- ...
PluginLoader#load: trying to load [email protected]
PluginLoader#load: applying patch to [email protected] using @opentelemetry/plugin-https module
applying patch to [email protected]
wrap lookup callback function and starts span
https plugin outgoingRequest
_traceClientRequest return request
executing wrapped lookup callback function
{
  traceId: '326b540c3e6025f04cac2081322a0281',
  parentId: undefined,
  name: 'dns.lookup',
  id: 'c0497285f44dfe3c',
  kind: 2,
  timestamp: 1619105598818466,
  duration: 36903,
  attributes: {
    'net.peer.host': 'opentelemetry.io',
    'peer.ipv4': '18.198.108.208'
  },
  status: { code: 0 },
  events: []
}
executing original lookup callback function
{
  traceId: '3c4b5fbedb67e28da8f5569f2a0b36b3',
  parentId: undefined,
  name: 'tcp.connect',
  id: '42879d4ea1fe0620',
  kind: 0,
  timestamp: 1619105598816848,
  duration: 63850,
  attributes: {
    'net.transport': 'IP.TCP',
    'net.peer.name': 'opentelemetry.io',
    'net.peer.port': 443,
    'net.peer.ip': '18.198.108.208',
    'net.host.ip': '192.168.229.67',
    'net.host.port': 51491
  },
  status: { code: 0 },
  events: []
}
statusCode: 200
headers: {
  'cache-control': 'public, max-age=0, must-revalidate',
  'content-type': 'text/html; charset=UTF-8',
  date: 'Thu, 22 Apr 2021 14:56:35 GMT',
  etag: '"4d00acf1293d23a88db4dfbbd4ff03fb-ssl"',
  'strict-transport-security': 'max-age=31536000',
  age: '2203',
  'content-length': '13663',
  connection: 'close',
  server: 'Netlify',
  'x-nf-request-id': 'cba28332-51b0-449d-a8f0-5c968dc5ca1f-12590647'
}
outgoingRequest on response()
.outgoingRequest on end()
{
  traceId: '7fc66ee5e079f25416ef6712f3497a0b',
  parentId: undefined,
  name: 'HTTP GET',
  id: 'b89e0e4ab581372c',
  kind: 2,
  timestamp: 1619105598802973,
  duration: 157881,
  attributes: {
    'http.url': 'https://opentelemetry.io/',
    'http.method': 'GET',
    'http.target': '/',
    'net.peer.name': 'opentelemetry.io',
    'net.peer.ip': '18.198.108.208',
    'net.peer.port': 443,
    'http.host': 'opentelemetry.io:443',
    'http.response_content_length_uncompressed': 13663,
    'http.status_code': 200,
    'http.status_text': 'OK',
    'http.flavor': '1.1',
    'net.transport': 'IP.TCP'
  },
  status: { code: 1 },
  even

package.json

{
  "dependencies": {
    "@opentelemetry/api": "^0.18.1",
    "@opentelemetry/exporter-jaeger": "^0.18.2",
    "@opentelemetry/exporter-zipkin": "^0.18.2",
    "@opentelemetry/instrumentation": "^0.18.2",
    "@opentelemetry/instrumentation-net": "^0.15.0",
    "@opentelemetry/instrumentation-dns": "^0.15.0",
    "@opentelemetry/node": "^0.18.2",
    "@opentelemetry/plugin-https": "^0.18.2",
    "@opentelemetry/tracing": "^0.18.2"
  }
}