Examples with LongGauge io.opencensus.metrics.LongGauge used on opensource projects

Example 1 with LongGauge

use of io.opencensus.metrics.LongGauge in project instrumentation-java by census-instrumentation.

the class OcAgentMetricsExporterIntegrationTest method testExportMetrics.

@Test
public void testExportMetrics() throws InterruptedException, IOException {
    // Mock a real-life scenario in production, where Agent is not enabled at first, then enabled
    // after an outage. Users should be able to see metrics shortly after Agent is up.
    registerAllViews();
    LongGauge gauge = registerGauge();
    // Register the OcAgent Exporter first.
    // Agent is not yet up and running so Exporter will just retry connection.
    OcAgentMetricsExporter.createAndRegister(OcAgentMetricsExporterConfiguration.builder().setServiceName(SERVICE_NAME).setUseInsecure(true).setRetryInterval(RETRY_INTERVAL).setExportInterval(EXPORT_INTERVAL).build());
    doWork(5, gauge.getOrCreateTimeSeries(Collections.singletonList(LabelValue.create("First work"))));
    // Wait 3s so that all metrics get exported.
    Thread.sleep(3000);
    // No interaction with Agent so far.
    assertThat(fakeOcAgentMetricsServiceGrpc.getExportMetricsServiceRequests()).isEmpty();
    // Imagine that an outage happened, now start Agent. Exporter should be able to connect to Agent
    // after the next retry interval.
    agent.start();
    // Wait 3s for Exporter to start another attempt to connect to Agent.
    Thread.sleep(3000);
    doWork(8, gauge.getOrCreateTimeSeries(Collections.singletonList(LabelValue.create("Second work"))));
    // Wait 3s so that all metrics get exported.
    Thread.sleep(3000);
    List<ExportMetricsServiceRequest> exportRequests = fakeOcAgentMetricsServiceGrpc.getExportMetricsServiceRequests();
    assertThat(exportRequests.size()).isAtLeast(2);
    ExportMetricsServiceRequest firstRequest = exportRequests.get(0);
    Node expectedNode = OcAgentNodeUtils.getNodeInfo(SERVICE_NAME);
    Node actualNode = firstRequest.getNode();
    assertThat(actualNode.getIdentifier().getHostName()).isEqualTo(expectedNode.getIdentifier().getHostName());
    assertThat(actualNode.getIdentifier().getPid()).isEqualTo(expectedNode.getIdentifier().getPid());
    assertThat(actualNode.getLibraryInfo()).isEqualTo(expectedNode.getLibraryInfo());
    assertThat(actualNode.getServiceInfo()).isEqualTo(expectedNode.getServiceInfo());
    List<Metric> metricProtos = new ArrayList<>();
    for (int i = 1; i < exportRequests.size(); i++) {
        metricProtos.addAll(exportRequests.get(i).getMetricsList());
    }
    // There should be at least one metric exported for each view and gauge (4 + 1).
    assertThat(metricProtos.size()).isAtLeast(5);
    Set<String> expectedMetrics = new HashSet<>();
    expectedMetrics.add("jobs");
    for (View view : VIEWS) {
        expectedMetrics.add(view.getName().asString());
    }
    Set<String> actualMetrics = new HashSet<>();
    for (Metric metricProto : metricProtos) {
        actualMetrics.add(metricProto.getMetricDescriptor().getName());
    }
    assertThat(actualMetrics).containsAtLeastElementsIn(expectedMetrics);
}

Example 2 with LongGauge

use of io.opencensus.metrics.LongGauge in project instrumentation-java by census-instrumentation.

the class MetricRegistryImplTest method addLongGauge_GetMetrics.

@Test
public void addLongGauge_GetMetrics() {
    LongGauge longGauge = metricRegistry.addLongGauge(NAME, METRIC_OPTIONS);
    longGauge.getOrCreateTimeSeries(LABEL_VALUES);
    Collection<Metric> metricCollections = metricRegistry.getMetricProducer().getMetrics();
    assertThat(metricCollections.size()).isEqualTo(1);
    assertThat(metricCollections).containsExactly(Metric.createWithOneTimeSeries(LONG_METRIC_DESCRIPTOR, TimeSeries.createWithOnePoint(ALL_VALUES, Point.create(Value.longValue(0), TEST_TIME), null)));
}

Example 3 with LongGauge

use of io.opencensus.metrics.LongGauge in project instrumentation-java by census-instrumentation.

the class MetricRegistryImplTest method getMetrics.

@Test
public void getMetrics() {
    LongGauge longGauge = metricRegistry.addLongGauge(NAME, METRIC_OPTIONS);
    LongPoint longPoint = longGauge.getOrCreateTimeSeries(LABEL_VALUES);
    longPoint.set(200);
    DoubleGauge doubleGauge = metricRegistry.addDoubleGauge(NAME_2, METRIC_OPTIONS);
    DoublePoint doublePoint = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES);
    doublePoint.set(-300.13);
    DerivedLongGauge derivedLongGauge = metricRegistry.addDerivedLongGauge(NAME_3, METRIC_OPTIONS);
    derivedLongGauge.createTimeSeries(LABEL_VALUES, null, longFunction);
    DerivedDoubleGauge derivedDoubleGauge = metricRegistry.addDerivedDoubleGauge(NAME_4, METRIC_OPTIONS);
    derivedDoubleGauge.createTimeSeries(LABEL_VALUES, null, doubleFunction);
    Collection<Metric> metricCollections = metricRegistry.getMetricProducer().getMetrics();
    assertThat(metricCollections.size()).isEqualTo(4);
    assertThat(metricCollections).containsExactly(Metric.createWithOneTimeSeries(LONG_METRIC_DESCRIPTOR, TimeSeries.createWithOnePoint(ALL_VALUES, Point.create(Value.longValue(200), TEST_TIME), null)), Metric.createWithOneTimeSeries(DOUBLE_METRIC_DESCRIPTOR, TimeSeries.createWithOnePoint(ALL_VALUES, Point.create(Value.doubleValue(-300.13), TEST_TIME), null)), Metric.createWithOneTimeSeries(DERIVED_LONG_METRIC_DESCRIPTOR, TimeSeries.createWithOnePoint(ALL_VALUES, Point.create(Value.longValue(5), TEST_TIME), null)), Metric.createWithOneTimeSeries(DERIVED_DOUBLE_METRIC_DESCRIPTOR, TimeSeries.createWithOnePoint(ALL_VALUES, Point.create(Value.doubleValue(5.0), TEST_TIME), null)));
}

Example 4 with LongGauge

use of io.opencensus.metrics.LongGauge in project instrumentation-java by census-instrumentation.

the class OcAgentExportersQuickStart method main.

/**
 * Main launcher of the example.
 */
public static void main(String[] args) throws InterruptedException {
    // Always sample for demo purpose. DO NOT use in production.
    configureAlwaysSample();
    registerAllViews();
    LongGauge gauge = registerGauge();
    String endPoint = getStringOrDefaultFromArgs(args, 0, DEFAULT_ENDPOINT);
    registerAgentExporters(endPoint);
    try (Scope scope = tracer.spanBuilder("root").startScopedSpan()) {
        int iteration = 1;
        while (true) {
            doWork(iteration, random.nextInt(10), gauge);
            iteration++;
            Thread.sleep(5000);
        }
    } catch (InterruptedException e) {
        logger.info("Thread interrupted, exiting in 5 seconds.");
        // Wait 5s so that last batch will be exported.
        Thread.sleep(5000);
    }
}

Example 5 with LongGauge

use of io.opencensus.metrics.LongGauge in project instrumentation-java by census-instrumentation.

the class MetricRegistryImplTest method shouldReturnSameObjectOnMultipleRegisterCall.

@Test
public void shouldReturnSameObjectOnMultipleRegisterCall() {
    LongGauge longGauge = metricRegistry.addLongGauge(NAME, METRIC_OPTIONS);
    LongPoint longPoint = longGauge.getOrCreateTimeSeries(LABEL_VALUES);
    longPoint.set(200);
    LongGauge longGauge1 = metricRegistry.addLongGauge(NAME, METRIC_OPTIONS);
    LongPoint longPoint1 = longGauge1.getOrCreateTimeSeries(Collections.singletonList(LABEL_VALUE_2));
    longPoint1.set(300);
    assertThat(longGauge).isEqualTo(longGauge1);
    Collection<Metric> metricCollections = metricRegistry.getMetricProducer().getMetrics();
    assertThat(metricCollections.size()).isEqualTo(1);
    assertThat(metricCollections).containsExactly(Metric.create(LONG_METRIC_DESCRIPTOR, Arrays.asList(TimeSeries.createWithOnePoint(Arrays.asList(LABEL_VALUE, LABEL_VALUE_2), Point.create(Value.longValue(200), TEST_TIME), null), TimeSeries.createWithOnePoint(Arrays.asList(LABEL_VALUE_2, LABEL_VALUE_2), Point.create(Value.longValue(300), TEST_TIME), null))));
}