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The following is a complete Vert.x application demonstrating the Micrometer integration with Jaeger Java Client internal metrics
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package io.vertx.starter; | |
import com.uber.jaeger.Configuration; | |
import com.uber.jaeger.micrometer.MicrometerMetricsFactory; | |
import com.uber.jaeger.samplers.ConstSampler; | |
import io.micrometer.core.instrument.Metrics; | |
import io.micrometer.prometheus.PrometheusConfig; | |
import io.micrometer.prometheus.PrometheusMeterRegistry; | |
import io.opentracing.Span; | |
import io.opentracing.Tracer; | |
import io.vertx.core.AbstractVerticle; | |
import io.vertx.core.Vertx; | |
public class MainVerticle extends AbstractVerticle { | |
public static void main(String[] args) { | |
Vertx vertx = Vertx.vertx(); | |
vertx.deployVerticle(new MainVerticle()); | |
} | |
@Override | |
public void start() { | |
MicrometerMetricsFactory metricsFactory = new MicrometerMetricsFactory(); | |
Configuration configuration = new Configuration("jaeger-client-java-tester"); | |
Tracer tracer = configuration | |
.withReporter( | |
new Configuration.ReporterConfiguration() | |
.withLogSpans(true) | |
) | |
.withSampler( | |
new Configuration.SamplerConfiguration() | |
.withType(ConstSampler.TYPE) | |
.withParam(1) | |
) | |
.getTracerBuilder() | |
.withMetricsFactory(metricsFactory) | |
.build(); | |
vertx.createHttpServer() | |
.requestHandler(req -> { | |
Span span = tracer.buildSpan("new-request").start(); | |
req.response().end("Hello Vert.x!"); | |
span.finish(); | |
}) | |
.listen(8080); | |
PrometheusMeterRegistry registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT); | |
Metrics.addRegistry(registry); | |
vertx.createHttpServer() | |
.requestHandler(req -> req.response().end(registry.scrape())) | |
.listen(8081); | |
} | |
} |
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