spring-boot-istio-jaeger-demo

Spring BootJaegerTracing

3servicefoo-svc``bar-svc``loo-svc

foo-svc bar-svc
1. bar-svc redis
2. bar-svc h2
3. bar-svc loo-svc
  1. loo-svc redis
  2. loo-svc h2

cddocker-compose up
foo-svccurl http://localhost:8080
Jaegerhttp://localhost:16686/

RedisTracing

opentracing java-spring-jaegerspring-data-redisAuto Configurationopentracing java-redis-client

BeanPostProcessorinstrumentRedisConnectionFactoryBeanPostProcessor.java

@Component
public class RedisConnectionFactoryBeanPostProcessor implements BeanPostProcessor {

  private Tracer tracer;

  public RedisConnectionFactoryBeanPostProcessor(Tracer tracer) {
    this.tracer = tracer;
  }

  @Override
  public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
    if (bean instanceof RedisConnectionFactory) {
      return new TracingRedisConnectionFactory((RedisConnectionFactory) bean, false, tracer);
    }
    return bean;
  }

}

opentracing java-redis-clientRedisConnection``ReactiveRedisConnectiontracing ReactiveRedisConnectiontracingopentracing java-redis-client0.0.8

docker-compose down

IstioK8S

K8S
Istio
IstioJaeger
istio-system``jaeger-query Service

cdk8s
06-foo-ingress.yaml``<hostname>
k8s``kubectl apply -f .
foo-svc
1. nginx ingresscurl http://ingress-test.<hostname>/sb-jaeger-tracing-demo/
2. Istio Gatewaycurl http://istio-test.<hostname>/sb-jaeger-tracing-demo/
jaeger-query

nginx ingresstracingIssue #7963Istio Gatewaytracing

tracingistiocomponenttracingtracing istioenvoy sidecar

01-namespace.yaml``JAEGER_UDP_SENDER_HOST: jaeger-agent.istio-system.svc.cluster.localistiojaeger-agentcluster DNS name

k8s``kubectl delete -f .

Environment Variable	Default Value	Belong Service	Description
`BAR_SVC_URL`	`http://bar-svc:8080`	`foo-svc`
`LOO_SVC_URL`	`http://loo-svc:8080`	`bar-svc`
`SERVER_PORT`	`8080`	all
`REDIS_HOST`	`redis`	`bar-svc` `loo-svc`
`REDIS_PORT`	`6379`	`bar-svc` `loo-svc`
`JAEGER_UDP_SENDER_HOST`	`localhost`	all
`OPENTRACING_SPRING_WEB_ENABLED`	`true`	all	spring webopentracing