Distributed Tracing in Node.js with OpenTelemetry and Atatus

Requirements

• Nodejs >=16
• MySQL 8
• serve

1. In the src/model/index.ts file, MySQL is imported for initializing the database connection."

const initializeDB = (cb) => {
  const sequelize = new Sequelize('db_name', 'username', 'password', {
  	...
  })

2. Copy the .env.example file to .env in the root directory.

3. Install all dependencies run below command

npm install
npm install -g serve

4. Start each service separately using below commands

npm run customers
npm run payment
npm run orders

# run ui using serve
serve ui

5. Access the application using below urls

http://localhost:3000/
http://localhost:8081/customer/{id}
http://localhost:8080/payment/transfer/id/4?amount=10000

OTel Setup

Install Otelcol-contribute using this link

Atatus collector Configuration

• you can use collector configuration file atatus-collector.yaml for send OTel data to Atatus.

Run otel-contrib

./otelcol-contrib --config=<Your-Local-path>/atatus-collector.yaml