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GoVisual OpenTelemetry Example

This example demonstrates GoVisual integration with OpenTelemetry.

Prerequisites

Docker and Docker Compose for running Jaeger

Setup

Start Jaeger:

docker-compose up -d

Run the example:

go run main.go

This will start a server on port 8080 with OpenTelemetry instrumentation enabled.

Endpoints

/ - Home page with links to API endpoints
/api/users - Returns user data with nested spans
/api/search?q=test - Search endpoint with query parameter as a span attribute
/api/health - Health check endpoint (not traced due to ignore path)

Accessing the Dashboards

GoVisual Dashboard: http://localhost:8080/__viz
Jaeger UI: http://localhost:16686

Features Demonstrated

GoVisual integration with OpenTelemetry
Creating custom spans and nested spans
Adding attributes to spans
Path-based span filtering
Viewing traces in Jaeger
Correlating requests between GoVisual and Jaeger