const logger = require('pino')()

const user = {
    id: 1,
    firstName: 'Fabien',
    lastName: 'Veillance'
}

logger.info({ user }, 'found user')

npm install @opentelemetry/sdk-node \
  @opentelemetry/api \
  @opentelemetry/auto-instrumentations-node

/*instrumentation.ts*/
import { NodeSDK } from '@opentelemetry/sdk-node'
import { 
  getNodeAutoInstrumentations
} from '@opentelemetry/auto-instrumentations-node'

const sdk = new NodeSDK({
  instrumentations: [getNodeAutoInstrumentations()],
})

sdk.start()

OTEL_SERVICE_NAME=coffee-service npx ts-node --require ./instrumentation.ts app.ts

tracer.startActiveSpan('CartValidation', async (span) => {
    try {
      span.addEvent('Cart validation')
      span.setAttribute('total', '30')
      
      // ...
      
      span.setStatus({ code: SpanStatusCode.OK })
    } catch (error) {
      span.setStatus({ code: SpanStatusCode.ERROR, message: error.message })
      span.recordException(error)
      throw error
    } finally {
      span.end()
    }
  })