muhammedsaidkaya/spring-otel-auto-instrumentation-demo

Spring Boot Otel Auto Instrumentation Telemetry Data Example

Opentelemetry Otel Collector Example

Components

• Application: (Print-service) Creates telemetry data. (logs, spans, metrics)
  • Spring Boot 2.6.5
  • Java 11
• OTel Agent: JVM Java Agent (Opentelemetry-Javaagent.jar): Filter all http requests and sends all telemetry data by creating OTLP exporter
• OTel Collector: Kubernetes Daemonset: Collects all telemetry data and process(batch) them. By configuration,
  • Logging Exporter

Installation (by Order)

• Otel-Collector
• App

Advanced - Otel Collector

• Configuration

Exporters

• Jaeger
• Prometheus: http://localhost:30009
• Elasticsearch: http://localhost:30013
  • Kibana: http://localhost:30012
• Kafka

Test Data

# Run PrintServiceApplication
# Send POST request
curl -X POST --location "http://localhost:9091/api/v1.0/print" \
    -H "Content-Type: text/plain" \
    -d "muhammed"

Resources

• Otel Library Config

• Otel Collector Config

• Otel Collector Contrib Github

• Otel Collector Contrib Dockerhub

• Otel Collector - Operator Helm Charts

• Elastic-Kibana Installation

• Kafka Installation

• Kafka Client - Kafdrop

• Kafka Client - Kafdrop Github

• Otel Collector Kafka Exporter

• Otel Collector Elastic Exporter