OpenTelemetry Logs

DD_LOGS_OTEL_ENABLED=true node app.js

require('dd-trace').init()
const { logs } = require('@opentelemetry/api-logs')

const logger = logs.getLogger('my-service', '1.0.0')

logger.emit({
  severityText: 'INFO',
  severityNumber: 9,
  body: 'User logged in',
  attributes: {
    'user.id': '123',
    'http.method': 'POST',
  },
})

require('dd-trace').init()
const { logs, SeverityNumber } = require('@opentelemetry/api-logs')
const express = require('express')

const app = express()
const logger = logs.getLogger('my-service', '1.0.0')

app.get('/api/users/:id', (req, res) => {
  logger.emit({
    severityText: 'INFO',
    severityNumber: SeverityNumber.INFO,
    body: `Processing user request for ID: ${req.params.id}`,
    attributes: {
      'user.id': req.params.id,
      'http.method': req.method,
      'http.route': '/api/users/:id',
    },
  })

  res.json({ id: req.params.id, name: 'John Doe' })
})

app.use((err, req, res, next) => {
  logger.emit({
    severityText: 'ERROR',
    severityNumber: SeverityNumber.ERROR,
    body: err.message,
    attributes: {
      'exception.type': err.name,
      'exception.stacktrace': err.stack,
    },
  })
  res.status(500).json({ error: 'Internal server error' })
})

app.listen(3000)