In this article we are going to cover How to Integrate OpenTelemetry for NodeJS App.
Prerequisites
- Ubuntu 24.04 LTS
- SSH access with sudo privileges
- Install Node.js and NPM
Step#1:Install Node.js and NPM On Ubuntu 24.04 LTS
Please folllow below article to Install NodeJS and NPM On Ubuntu 24.04 LTS
How to Install NodeJS and NPM on Ubuntu 24.04 LTS
In the present Directory with name example-site execute below command.
npm init -y
Install Express dependencies.
npm install typescript \
ts-node \
@types/node \
express \
@types/express
# initialize typescript
npx tsc --init
Create and launch an HTTP Server, create a file name with app.ts and add the below code.
/*app.ts*/
import express, { Express } from 'express';
const PORT: number = parseInt(process.env.PORT || '8080');
const app: Express = express();
function getRandomNumber(min: number, max: number) {
return Math.floor(Math.random() * (max - min) + min);
}
app.get('/rolldice', (req, res) => {
res.send(getRandomNumber(1, 6).toString());
});
app.listen(PORT, () => {
console.log(`Listening for requests on http://localhost:${PORT}`);
});
Run the application with the following command.
npx ts-node app.ts
open belwo URL in your web interface to ensure it is working.
http://localhost:8080/rolldice
Step #2:Integrate OpenTelemetry for NodeJS App
First, install the Node SDK and auto instrumentations package. The Node SDK lets you initialize OpenTelemetry with several configuration defaults that are correct for the majority of use cases.
The auto-instrumentations-node
package installs instrumentation libraries that will automatically create spans corresponding to code called in libraries. In this case, it provides instrumentation for Express, letting the example app automatically create spans for each incoming request.
npm install @opentelemetry/sdk-node \
@opentelemetry/api \
@opentelemetry/auto-instrumentations-node \
@opentelemetry/sdk-metrics \
@opentelemetry/sdk-trace-node
The instrumentation setup and configuration must be run before your application code.
Create a file name with instrumentation.ts
which will contain your instrumentation setup code.
/*instrumentation.ts*/
import { NodeSDK } from '@opentelemetry/sdk-node';
import { ConsoleSpanExporter } from '@opentelemetry/sdk-trace-node';
import { getNodeAutoInstrumentations } from '@opentelemetry/auto-instrumentations-node';
import {
PeriodicExportingMetricReader,
ConsoleMetricExporter,
} from '@opentelemetry/sdk-metrics';
const sdk = new NodeSDK({
traceExporter: new ConsoleSpanExporter(),
metricReader: new PeriodicExportingMetricReader({
exporter: new ConsoleMetricExporter(),
}),
instrumentations: [getNodeAutoInstrumentations()],
});
sdk.start();
Run your application as you normally would, but you can use the --require
flag to load the instrumentation before the application code.
npx ts-node --require ./instrumentation.ts app.ts
Open in your web browser and reload the page a few times.
http://localhost:8080/rolldice
Output:
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'b4f065b8644e99213c93a9d88bdbc76d',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '28970ef640388b7d',
kind: 0,
timestamp: 1724648716022000,
duration: 27.368,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'e7805e5407c8e859db1a047606fcb5b4',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '01518e46cc804a8c',
kind: 0,
timestamp: 1724648716022000,
duration: 16.619,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '8998db1888cbf7a492c77727f5a95ddf',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: 'd6e8f016d3768c06',
kind: 0,
timestamp: 1724648716022000,
duration: 24.013,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '329436a0d4dbfee1982828fcd5740533',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: 'f42de52696eba92e',
kind: 0,
timestamp: 1724648716022000,
duration: 21.512,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '65d44f1acab45c1fb6b55c33282544a8',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '4875380aa0a2787b',
kind: 0,
timestamp: 1724648716022000,
duration: 15.043,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '7c9453597f1e89bbead65fd28f0e2435',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '0e026b21de1f51f0',
kind: 0,
timestamp: 1724648716022000,
duration: 19.655,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'd9cb0c37de382eb2c6fe41825d1ef48b',
parentId: undefined,
traceState: undefined,
name: 'fs readFileSync',
id: '9ce2fbf25ecb469a',
kind: 0,
timestamp: 1724648716022000,
duration: 46.667,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '2204fe99e74eec9ba9506ed870f3fe7d',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: 'e6656afb88981667',
kind: 0,
timestamp: 1724648716022000,
duration: 28.022,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '29ceedf5bef8f1ca8797422199e2d941',
parentId: undefined,
traceState: undefined,
name: 'fs readFileSync',
id: 'a1021cf17261a547',
kind: 0,
timestamp: 1724648716022000,
duration: 101.434,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '82e4c5ed5d63629362ad2f7a8bcf8968',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: 'e22b73f89631f1db',
kind: 0,
timestamp: 1724648716022000,
duration: 21.229,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '649ec0e18babf1552e3f6f824dbfa3d0',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '51ff3f7145d48f3f',
kind: 0,
timestamp: 1724648716022000,
duration: 22.795,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'de4b9647c33d5f4777e9155ef7076a87',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '9016efe76de37360',
kind: 0,
timestamp: 1724648716023000,
duration: 23.996,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'd35ee7e877044bdb09ea295b69eb322e',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '6ed94bdc49d6e1a0',
kind: 0,
timestamp: 1724648716023000,
duration: 14.754,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: '472c5b31103bdf99f0cfad4f9c4346f9',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '4403ee489bd37d6c',
kind: 0,
timestamp: 1724648716023000,
duration: 21.604,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'bfb0d611bba3875ef453a9e0e9c1cf4c',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '1c6286e1ab568c56',
kind: 0,
timestamp: 1724648716023000,
duration: 36.781,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'/home/ubuntu/example-site/node_modules/.bin/ts-node',
'--require',
'./instrumentation.ts',
'app.ts'
],
'process.runtime.version': '20.17.0',
'process.runtime.name': 'nodejs',
'process.runtime.description': 'Node.js',
'process.command': '/home/ubuntu/example-site/node_modules/.bin/ts-node',
'process.owner': 'ubuntu',
'host.name': 'ip-172-31-36-154',
'host.arch': 'amd64'
}
},
traceId: 'c311542cbb839f800d8f84eaa2ed2429',
parentId: undefined,
traceState: undefined,
name: 'fs statSync',
id: '6dde3ae0b8f14a79',
kind: 0,
timestamp: 1724648716023000,
duration: 15.716,
attributes: {},
status: { code: 0 },
events: [],
links: []
}
{
resource: {
attributes: {
'service.name': 'unknown_service:node',
'telemetry.sdk.language': 'nodejs',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '1.25.1',
'process.pid': 5530,
'process.executable.name': 'node',
'process.executable.path': '/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
'process.command_args': [
'/home/ubuntu/.nvm/versions/node/v20.17.0/bin/node',
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In this article we have covered How to Integrate OpenTelemetry for NodeJS App.
Reference: