OpenTelemetryの使用

package org.acme.opentelemetry;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.jboss.logging.Logger;

@Path("/hello")
public class TracedResource {

    private static final Logger LOG = Logger.getLogger(TracedResource.class);

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    public String hello() {
        LOG.info("hello");
        return "hello";
    }
}

quarkus.application.name=myservice (1)
quarkus.opentelemetry.enabled=true (2)
quarkus.opentelemetry.tracer.exporter.otlp.endpoint=http://localhost:4317 (3)

quarkus.opentelemetry.tracer.exporter.otlp.headers=Authorization=Bearer my_secret (4)

quarkus.log.console.format=%d{HH:mm:ss} %-5p traceId=%X{traceId}, parentId=%X{parentId}, spanId=%X{spanId}, sampled=%X{sampled} [%c{2.}] (%t) %s%e%n  (5)

# Alternative to the console log
quarkus.http.access-log.pattern="...traceId=%{X,traceId} spanId=%{X,spanId}" (6)

quarkus.datasource.db-kind=postgresql
# add ':otel' to your database URL
quarkus.datasource.jdbc.url=jdbc:otel:postgresql://localhost:5432/mydatabase
# use the 'OpenTelemetryDriver' instead of the one for your database
quarkus.datasource.jdbc.driver=io.opentelemetry.instrumentation.jdbc.OpenTelemetryDriver

@Singleton
public class CustomConfiguration {

    /** Creates a custom IdGenerator for OpenTelemetry */
    @Produces
    @Singleton
    public IdGenerator idGenerator() {
        return AwsXrayIdGenerator.getInstance();
    }
}

@ApplicationScoped
public class CustomConfiguration {

    @Produces
    @ApplicationScoped
    public Resource osResource() {
        return OsResource.get();
    }

    @Produces
    @ApplicationScoped
    public Resource ecsResource() {
        return EcsResource.get();
    }
}

@Singleton
public class CustomConfiguration {

    /** Creates a custom sampler for OpenTelemetry */
    @Produces
    @Singleton
    public Sampler sampler() {
        return JaegerRemoteSampler.builder()
        .setServiceName("my-service")
        .build();
    }
}

@ApplicationScoped
class SpanBean {
    @WithSpan
    void span() {

    }

    @WithSpan("name")
    void spanName() {

    }

    @WithSpan(kind = SERVER)
    void spanKind() {

    }

    @WithSpan
    void spanArgs(@SpanAttribute(value = "arg") String arg) {

    }
}

@Inject
Tracer tracer;

...

public void tracedWork() {
    Span span = tracer.spanBuilder("My custom span")
        .setAttribute("attr", "attr.value")
        .setParent(Context.current().with(Span.current()))
        .setSpanKind(SpanKind.INTERNAL)
        .startSpan();

    // traced work

    span.end();
}

TracingMetadata tm = TracingMetadata.withPrevious(Context.current());
Message out = Message.of(...).withMetadata(tm);