achalise / open-telemetry-express-kafka Goto Github PK

Example showing how to use opentelemetry with node applications.

Use NestJS to quickly create a couple of microservices. We will use OpenTelemtry to export data to visulalise how request flows through the microservices.

• UserService
• DeviceService

Open Telemetry Set up

npm install --save @opentelemetry/api npm install --save @opentelemetry/sdk-node npm install --save @opentelemetry/auto-instrumentations-node npm install --save @opentelemetry/exporter-trace-otlp-proto

npm install @opentelemetry/api @opentelemetry/auto-instrumentations-node @opentelemetry/exporter-collector @opentelemetry/exporter-jaeger @opentelemetry/plugin-express @opentelemetry/plugin-http @opentelemetry/propagator-ot-trace @opentelemetry/resources @opentelemetry/sdk-node @opentelemetry/sdk-trace-base @opentelemetry/sdk-trace-node @opentelemetry/semantic-conventions @opentelemetry/tracing --save

run jaeger

  -e COLLECTOR_ZIPKIN_HOST_PORT=:9411 \
  -p 5775:5775/udp \
  -p 6831:6831/udp \
  -p 6832:6832/udp \
  -p 5778:5778 \
  -p 16686:16686 \
  -p 14268:14268 \
  -p 14250:14250 \
  -p 9411:9411 \
  jaegertracing/all-in-one:latest```