OpenTelemetry for CDS

OpenTelemetry support for CDS nodejs runtime

How to use it

install this package firstly

npm i -S opentelemetry-cds

start cds runtime with opentelemetry-cds module

{
  "scripts": {
    "start": "otlp-cds-serve"
  }
}

Instruments

• [x] EventHandlers
• [x] EventContext/Event/Request
  • [x] register (on/once/before)
  • [x] emit
• [x] OData Adapter
  • [x] process
  • [x] execute
  • [x] createOdataService
• [x] CDS Compiler
  • [x] edm/edmx/edm.all/edmx.all
• [ ] Messaging
  • [x] cds-nats
    • [ ] rfc
  • [ ] cds.MessagingService
• [x] Database
  • [x] sqlite3 (Database.run/prepare/all/get)
  • [x] hdb Client.exec/prepare/commit/rollback
• [x] third-party instrumentations
  • [x] express
  • [x] net
  • [x] dns
  • [x] mysql
  • [x] http

Features

• [x] instrumentations
• [ ] cloud foundry support
• [ ] k8s support
• [ ] environment variables
• [x] otlp-cds-serve command

Configuration

opentelemetry-cds is using opentelemetry-http protocol as exporter, just ref @opentelemetry/exporter-trace-otlp-http document to configure it by environment

OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318

Local Setup

view the trace in a local jaeger server

1. Download Jaeger Binary for your OS
2. Extract it
3. Run it with otlp enabled flag
4. Start your cds application with npx otlp-cds-serve

./jaeger-all-in-one --collector.otlp.enabled

Screenshots

batch operations

cross service call

async message broker

CHANGELOG

LICENSE