Java Code Examples for io.micrometer.prometheus.PrometheusConfig#DEFAULT

@Test
public void shouldPublishQuantilesWithProvidedRegistry(TestContext context) throws Exception {
  PrometheusMeterRegistry registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
  vertx = Vertx.vertx(new VertxOptions()
    .setMetricsOptions(new MicrometerMetricsOptions()
      .setPrometheusOptions(new VertxPrometheusOptions().setEnabled(true)
        .setPublishQuantiles(true)
        .setStartEmbeddedServer(true)
        .setEmbeddedServerOptions(new HttpServerOptions().setPort(9090)))
      .setMicrometerRegistry(registry)
      .setEnabled(true)));

  Async async = context.async();
  // Dummy connection to trigger some metrics
  PrometheusTestHelper.tryConnect(vertx, context, 9090, "localhost", "/metrics", r1 -> {
    // Delay to make "sure" metrics are populated
    vertx.setTimer(500, l -> {
      assertThat(registry.scrape()).contains("vertx_http_client_responseTime_seconds_bucket{code=\"200\"");
      async.complete();
    });
  });
  async.awaitSuccess(10000);
}
 

@Provides
@Singleton
public PrometheusMeterRegistry providePrometheusMeterRegistry(ExecutorService executorService,
                                                              @Named("systemRuntime.projectName") String projectName) {
    PrometheusMeterRegistry registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
    new LogbackMetrics().bindTo(registry);
    new ClassLoaderMetrics().bindTo(registry);
    new ExecutorServiceMetrics(executorService,
            projectName + "-ExecutorService",
            () -> Tags.of(projectName, "ExecutorService").iterator()).bindTo(registry);
    new JvmMemoryMetrics().bindTo(registry);
    new JvmGcMetrics().bindTo(registry);
    new JvmThreadMetrics().bindTo(registry);
    new ProcessorMetrics().bindTo(registry);
    new ProcessMemoryMetrics().bindTo(registry);
    new ProcessThreadMetrics().bindTo(registry);
    new FileDescriptorMetrics().bindTo(registry);
    new DiskSpaceMetrics(new File("/")).bindTo(registry);
    new UptimeMetrics().bindTo(registry);

    registry.config().commonTags("instance", projectName);
    registry.config().commonTags("application", projectName);
    registry.config().commonTags("service", projectName);

    return registry;
}
 

/**
 * Sets up promethues and returns the
 * registry
 * @return
 */
public static Pair<MicrometerMetricsOptions,MeterRegistry> setupPrometheus() {
    PrometheusMeterRegistry registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);

    MicrometerMetricsOptions micrometerMetricsOptions = new MicrometerMetricsOptions()
            .setMicrometerRegistry(registry)
            .setPrometheusOptions(new VertxPrometheusOptions()
                    .setEnabled(true));
    BackendRegistries.setupBackend(micrometerMetricsOptions);

    return Pair.of(micrometerMetricsOptions,registry);

}
 

@Override
public void initialize(final ServerCoreComponents coreComponents) {
    final PlatformConfiguration configuration = coreComponents.getConfiguration();
    final ServletContext servletContext = coreComponents.getInstance(ServletContext.class);

    if(!configuration.getBooleanProperty(METRICS_NOOP_PROPERTY, true)) {

        final PrometheusMeterRegistry prometheusRegistry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);

        final List<Tag> tagList = TagUtil.convertTags(ContextManagerImpl.getInstance().getGlobalContexts());

        new ClassLoaderMetrics(tagList).bindTo(prometheusRegistry);
        new JvmMemoryMetrics(tagList).bindTo(prometheusRegistry);
        new JvmGcMetrics(tagList).bindTo(prometheusRegistry);
        new ProcessorMetrics(tagList).bindTo(prometheusRegistry);
        new JvmThreadMetrics(tagList).bindTo(prometheusRegistry);

        servletContext.addFilter(METRICS_SERVLET_FILTER_NAME, new RequestMetricsFilter())
                .addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, ALL_URL_MAPPING);

        servletContext.addListener(new MetricsHttpSessionListener());

        servletContext.addServlet(METRICS_SERVLET_NAME, new MetricsServlet(prometheusRegistry))
                .addMapping(configuration.getProperty(METRICS_ENDPOINT_PROPERTY));

        MetricsImpl.getInstance().init(prometheusRegistry);
    }
}
 

@Bean
public PrometheusMeterRegistry micrometerRegistry(CollectorRegistry collector) {
    PrometheusMeterRegistry registry = new PrometheusMeterRegistry( //
            PrometheusConfig.DEFAULT, collector, Clock.SYSTEM);
    io.micrometer.core.instrument.Metrics.addRegistry(registry);
    return registry;
}
 

@Setup(Level.Iteration)
public void setup() {
    registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT, new CollectorRegistry(),
            Clock.SYSTEM);
    summary = DistributionSummary.builder("summary")
            .publishPercentileHistogram()
            .register(registry);
}
 

@Setup
public void setup() {
    registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
    counter = registry.counter("counter");
}
 

private static PrometheusMeterRegistry newPrometheusRegistry() {
    return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
}
 

/**
 * Returns a newly-created {@link PrometheusMeterRegistry} instance with the specified
 * {@link CollectorRegistry} and {@link Clock}.
 */
public static PrometheusMeterRegistry newRegistry(CollectorRegistry registry, Clock clock) {
    final PrometheusMeterRegistry meterRegistry = new PrometheusMeterRegistry(
            PrometheusConfig.DEFAULT, requireNonNull(registry, "registry"), requireNonNull(clock, "clock"));
    return configureRegistry(meterRegistry);
}
 

@Inject
public PrometheusMeterRegistryProvider(CollectorRegistry registry) {
  prometheusMeterRegistry =
      new PrometheusMeterRegistry(PrometheusConfig.DEFAULT, registry, Clock.SYSTEM);
  Metrics.addRegistry(prometheusMeterRegistry);
}
 

@Bean
@ConditionalOnMissingBean
public PrometheusMeterRegistry prometheusMeterRegistry() {
    return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT, collectorRegistry, Clock.SYSTEM);
}
 

public static void main(String[] args) {
    PrometheusMeterRegistry meterRegistry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);

    // add any tags here that will apply to all metrics streaming from this app
    // (e.g. EC2 region, stack, instance id, server group)
    meterRegistry.config().commonTags("app", "javalin-sample");

    new JvmGcMetrics().bindTo(meterRegistry);
    new JvmHeapPressureMetrics().bindTo(meterRegistry);
    new JvmMemoryMetrics().bindTo(meterRegistry);
    new ProcessorMetrics().bindTo(meterRegistry);
    new FileDescriptorMetrics().bindTo(meterRegistry);

    Javalin app = Javalin.create(config -> config.registerPlugin(new MicrometerPlugin(meterRegistry))).start(8080);

    // must manually delegate to Micrometer exception handler for excepton tags to be correct
    app.exception(IllegalArgumentException.class, (e, ctx) -> {
        MicrometerPlugin.EXCEPTION_HANDLER.handle(e, ctx);
        e.printStackTrace();
    });

    app.get("/", ctx -> ctx.result("Hello World"));
    app.get("/hello/:name", ctx -> ctx.result("Hello: " + ctx.pathParam("name")));
    app.get("/boom", ctx -> {
        throw new IllegalArgumentException("boom");
    });

    app.routes(() -> {
        path("hi", () -> {
            get(":name", ctx -> ctx.result("Hello: " + ctx.pathParam("name")));
        });
    });

    app.after("/hello/*", ctx -> {
        System.out.println("hello");
    });

    app.get("/prometheus", ctx -> ctx
            .contentType(TextFormat.CONTENT_TYPE_004)
            .result(meterRegistry.scrape()));
}
 

@Setup
public void setup() {
    registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
    timer = registry.timer("timer");
}
 

@Bean
public PrometheusMeterRegistry meterRegistry() {
  return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
}
 

public PrometheusBackendRegistry(VertxPrometheusOptions options) {
  this(options, new PrometheusMeterRegistry(PrometheusConfig.DEFAULT));
}
 

@Bean
MeterRegistry registry () {
  return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
}
 

@Override
public MeterRegistry getRegistry() {
    return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
}
 

@Test
    public void test() throws InterruptedException {
        final PrometheusMeterRegistry prometheusRegistry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
        final Timer summary = Timer.builder("test")
                .distributionStatisticExpiry(Duration.ofSeconds(10))
                .publishPercentiles(0.9D, 0.99D, 0.999D)
                .distributionStatisticBufferLength(20)
                .publishPercentileHistogram(false)
                .tags(new String[]{"method", "get()"})
                .register(prometheusRegistry);
//        final DistributionSummary summary = DistributionSummary.builder("test")
//                .distributionStatisticExpiry(Duration.ofSeconds(30))
//                .publishPercentiles(0.9, 0.99, 0.999)
//                .publishPercentileHistogram(false)
//                .tags(new String[]{"method", "get()"})
//                .register(prometheusRegistry);
        AtomicInteger second = new AtomicInteger();
        Executors.newScheduledThreadPool(1).scheduleAtFixedRate(() -> {
            final HistogramSnapshot snapshot = summary.takeSnapshot();
            final ValueAtPercentile[] valueAtPercentiles = snapshot.percentileValues();
            double p90 = 0, p99 = 0, p999 = 0;
            for (ValueAtPercentile percentile : valueAtPercentiles) {
                if (percentile.percentile() == 0.9D) {
                    p90 = percentile.value(TimeUnit.MILLISECONDS);
                } else if (percentile.percentile() == 0.99D) {
                    p99 = percentile.value(TimeUnit.MILLISECONDS);
                } else {
                    p999 = percentile.value(TimeUnit.MILLISECONDS);
                }
            }
            System.out.println(String.format("second: %s, p90: %s, p99: %s, p999: %s", second.incrementAndGet(), p90, p99, p999));
        }, 1, 1, TimeUnit.SECONDS);
        for (int j = 0; j < 100; j++) {
//            for (long i = 0; i < 1000; i++) {
//                summary.record(i, TimeUnit.MILLISECONDS);
//            }
            summary.record(j % 10, TimeUnit.MILLISECONDS);
            TimeUnit.SECONDS.sleep(1);
        }

        for (int i = 0; i < 10; i++) {
            TimeUnit.SECONDS.sleep(1);
        }

        for (int i = 0; i < 100; i++) {
            TimeUnit.SECONDS.sleep(1);
        }
    }