Refactor project to use spring boot jaeger

Author: cmoulliard

spring-boot-jaeger-example/pom.xml

@@ -97,7 +97,7 @@
 			<version>${hystrix.version}</version>
 		</dependency>
 
-		<!-- OpenTracing -->
+<!--		&lt;!&ndash; OpenTracing &ndash;&gt;
 		<dependency>
 			<groupId>io.opentracing</groupId>
 			<artifactId>opentracing-noop</artifactId>
@@ -106,13 +106,20 @@
 			<groupId>io.opentracing.contrib</groupId>
 			<artifactId>opentracing-spring-web-autoconfigure</artifactId>
 		</dependency>
-
-		<!-- OpenTracing implementation - Jaeger -->
+		&lt;!&ndash; OpenTracing impl - Jaeger &ndash;&gt;
 		<dependency>
 			<groupId>com.uber.jaeger</groupId>
 			<artifactId>jaeger-core</artifactId>
+		</dependency>-->
+
+		<!-- Spring Boot Starter - OpenTracing / Jaeger -->
+		<dependency>
+			<groupId>org.jboss.snowdrop</groupId>
+			<artifactId>spring-cloud-starter-kubernetes-jaeger</artifactId>
+			<version>0.1.0-SNAPSHOT</version>
 		</dependency>
 
+
 		<!-- Swagger -->
 		<dependency>
 			<groupId>io.swagger</groupId>

spring-boot-jaeger-example/src/main/java/org/jboss/snowdrop/TracingConfiguration.java

@@ -3,58 +3,28 @@
 import java.util.Collections;
 import java.util.regex.Pattern;
 
-import org.apache.http.impl.client.HttpClientBuilder;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import com.uber.jaeger.metrics.Metrics;
-import com.uber.jaeger.metrics.NullStatsReporter;
-import com.uber.jaeger.metrics.StatsFactoryImpl;
-import com.uber.jaeger.reporters.RemoteReporter;
-import com.uber.jaeger.samplers.ProbabilisticSampler;
-import com.uber.jaeger.senders.Sender;
-import com.uber.jaeger.senders.UdpSender;
-
 import feign.Logger;
 import feign.httpclient.ApacheHttpClient;
 import feign.hystrix.HystrixFeign;
 import feign.jackson.JacksonDecoder;
 import feign.opentracing.TracingClient;
 import feign.opentracing.hystrix.TracingConcurrencyStrategy;
-import io.opentracing.NoopTracerFactory;
 import io.opentracing.Tracer;
 import io.opentracing.contrib.spring.web.autoconfig.WebTracingConfiguration;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 
 /**
  * @author Pavol Loffay
  */
 @Configuration
 public class TracingConfiguration {
     private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(TracingConfiguration.class);
-    private static final String SERVICE_NAME = "ola";
-
-    @Bean
-    public Tracer tracer() {
-        String jaegerURL = System.getenv("JAEGER_SERVER_HOSTNAME");
-        if (jaegerURL != null) {
-            log.info("Using Jaeger tracer");
-            return jaegerTracer(jaegerURL);
-        }
-
-        log.info("Using Noop tracer");
-        return NoopTracerFactory.create();
-    }
-
-
-    private Tracer jaegerTracer(String url) {
-        Sender sender = new UdpSender(url, 0, 0);
-        return new com.uber.jaeger.Tracer.Builder(SERVICE_NAME,
-                new RemoteReporter(sender, 100, 50,
-                        new Metrics(new StatsFactoryImpl(new NullStatsReporter()))),
-                new ProbabilisticSampler(1.0))
-                .build();
-    }
 
+    @Autowired
+    public Tracer tracer;
 
     @Bean
     public WebTracingConfiguration webTracingConfiguration() {

spring-boot-jaeger-example/src/main/resources/application.properties

@@ -8,4 +8,7 @@ keycloak.cors = true
 keycloak.credentials.secret = 11111111-1111-1111-1111-111111111111
 keycloak.securityConstraints[0].securityCollections[0].name = spring secured api
 keycloak.securityConstraints[0].securityCollections[0].authRoles[0] = USERS
-keycloak.securityConstraints[0].securityCollections[0].patterns[0] = /api/ola-secured
+keycloak.securityConstraints[0].securityCollections[0].patterns[0] = /api/ola-secured
+
+spring.cloud.kubernetes.jaeger.discovery.tracerServerName = jaeger-all-in-one
+spring.cloud.kubernetes.jaeger.discovery.serviceName = ola