Kong OpenTelemetry Integration with Datadog

Kong's OpenTelemetry integration with Datadog via OTEL Collector

Setting Up

Create your own .env file and provide the required values. They are required to run the containers.

Please retrieve the Datadog API Key from your organsation settings. You can find the instructions here - DataDog Account Management

DD_API_KEY=
POSTGRES_PASSWORD=

Enterprise License Loading (Optional)

For Kong enterprise users, you can load the license by sending a request Kong Admin API

http POST :8001/licenses \
  payload='LICENSE_KEY'

Datadog Configuration

Configuration can be found in ./config/collector.yaml

Starting Up

The docker compose will spin up Kong Gateway, Postgres and OTEL Colletor

1. Start Docker Compose

docker-compose up -d

2. Tear-down

docker-compose down

Configuration

Create Demo Service and Route for expression route

http :8001/services url=https://mockbin.org/request name=ot-demo

http :8001/services/ot-demo/routes name=ot-route expression='(http.path ^= "/ot2" || http.path ^= "/ot1")'

Enable Kong OTEL Plugin

curl -X POST http://localhost:8001/plugins/ \
	--data "name=opentelemetry"  \
	--data "config.endpoint=http://otelcol:4318/v1/traces" \
	--data "config.batch_span_count=200" \
	--data "config.batch_flush_delay=3"

Testing

http POST :8000/ot1 "X-Foo:hello OT1"
http GET :8000/ot2 "X-Foo:hello OT2"

You should see the trace coming in your DataDog dashboard

References

1. Kong Open Telemetry Plugin
2. Kong DataDog Plugin
3. DataDog OTEL Collector Set-up