Examples with FetchResults org.opennms.netmgt.measurements.api.FetchResults used on opensource projects

Example 16 with FetchResults

use of org.opennms.netmgt.measurements.api.FetchResults in project opennms by OpenNMS.

the class RrdStatisticAttributeVisitorTest method testVisitTwice.

public void testVisitTwice() throws Exception {
    final RrdStatisticAttributeVisitor attributeVisitor1 = new RrdStatisticAttributeVisitor();
    attributeVisitor1.setFetchStrategy(m_fetchStrategy);
    attributeVisitor1.setConsolidationFunction("AVERAGE");
    attributeVisitor1.setStartTime(m_startTime);
    attributeVisitor1.setEndTime(m_endTime);
    attributeVisitor1.setStatisticVisitor(m_statisticVisitor);
    attributeVisitor1.afterPropertiesSet();
    final RrdStatisticAttributeVisitor attributeVisitor2 = new RrdStatisticAttributeVisitor();
    attributeVisitor2.setFetchStrategy(m_fetchStrategy);
    attributeVisitor2.setConsolidationFunction("AVERAGE");
    attributeVisitor2.setStartTime(m_startTime);
    attributeVisitor2.setEndTime(m_endTime);
    attributeVisitor2.setStatisticVisitor(m_statisticVisitor);
    attributeVisitor2.afterPropertiesSet();
    MockResourceType resourceType = new MockResourceType();
    resourceType.setName("interfaceSnmp");
    OnmsAttribute attribute = new RrdGraphAttribute("ifInOctets", "something", "something else");
    attribute.setResource(new OnmsResource("1", "Node One", resourceType, Collections.singleton(attribute), ResourcePath.get("foo")));
    Source source = new Source();
    source.setLabel("result");
    source.setResourceId(attribute.getResource().getId().toString());
    source.setAttribute(attribute.getName());
    source.setAggregation(attributeVisitor1.getConsolidationFunction().toUpperCase());
    expect(m_fetchStrategy.fetch(m_startTime, m_endTime, 1, 0, null, null, Collections.singletonList(source), false)).andReturn(new FetchResults(new long[] { m_startTime }, Collections.singletonMap("result", new double[] { 1.0 }), m_endTime - m_startTime, Collections.emptyMap()));
    m_statisticVisitor.visit(attribute, 1.0);
    expect(m_fetchStrategy.fetch(m_startTime, m_endTime, 1, 0, null, null, Collections.singletonList(source), false)).andReturn(new FetchResults(new long[] { m_startTime }, Collections.singletonMap("result", new double[] { 2.0 }), m_endTime - m_startTime, Collections.emptyMap()));
    m_statisticVisitor.visit(attribute, 2.0);
    m_mocks.replayAll();
    attributeVisitor1.visit(attribute);
    attributeVisitor2.visit(attribute);
    m_mocks.verifyAll();
}

Example 17 with FetchResults

use of org.opennms.netmgt.measurements.api.FetchResults in project opennms by OpenNMS.

the class RrdStatisticAttributeVisitor method visit.

/**
 * {@inheritDoc}
 */
@Override
public void visit(OnmsAttribute attribute) {
    if (!RrdGraphAttribute.class.isAssignableFrom(attribute.getClass())) {
        // Nothing to do if we can't cast to an RrdGraphAttribute
        return;
    }
    final Source source = new Source();
    source.setLabel("result");
    source.setResourceId(attribute.getResource().getId().toString());
    source.setAttribute(attribute.getName());
    source.setAggregation(m_consolidationFunction.toUpperCase());
    final FetchResults results;
    try {
        results = m_fetchStrategy.fetch(m_startTime, m_endTime, 1, 0, null, null, Collections.singletonList(source), false);
    } catch (final Exception e) {
        LOG.warn("Failed to fetch statistic: {}", source, e);
        return;
    }
    if (results == null) {
        LOG.warn("No statistic found: {}", source);
        return;
    }
    final double[] statistics = results.getColumns().get(source.getLabel());
    if (statistics == null || statistics.length == 0) {
        LOG.warn("Statistic is empty: {}", source);
        return;
    }
    final Aggregator aggregator = Aggregators.valueOf(m_consolidationFunction.toUpperCase()).get();
    Arrays.stream(statistics).filter(v -> (!Double.isNaN(v))).forEach(v -> {
        LOG.debug("Aggregating: {}", v);
        aggregator.aggregate(v);
    });
    double statistic = aggregator.getValue();
    LOG.debug("The value of {} is {}", attribute, statistic);
    /*
         * We don't want to do anything with NaN data, since
         * it means there is no data. We especially want to
         * stay away from it, because it will be sorted as
         * being higher than any numeric value, which will
         * leave our TopN report with most, if not all NaN
         * values at the top.
         */
    if (Double.isNaN(statistic)) {
        return;
    }
    m_statisticVisitor.visit(attribute, statistic);
}

Example 18 with FetchResults

use of org.opennms.netmgt.measurements.api.FetchResults in project opennms by OpenNMS.

the class JrobinFetchStrategy method fetchMeasurements.

/**
 * {@inheritDoc}
 */
@Override
protected FetchResults fetchMeasurements(long start, long end, long step, int maxrows, Map<Source, String> rrdsBySource, Map<String, Object> constants) throws RrdException {
    final long startInSeconds = (long) Math.floor(start / 1000d);
    final long endInSeconds = (long) Math.floor(end / 1000d);
    long stepInSeconds = (long) Math.floor(step / 1000d);
    // The step must be strictly positive
    if (stepInSeconds <= 0) {
        stepInSeconds = 1;
    }
    final DataProcessor dproc = new DataProcessor(startInSeconds, endInSeconds);
    if (maxrows > 0) {
        dproc.setPixelCount(maxrows);
    }
    dproc.setFetchRequestResolution(stepInSeconds);
    for (final Map.Entry<Source, String> entry : rrdsBySource.entrySet()) {
        final Source source = entry.getKey();
        final String rrdFile = entry.getValue();
        dproc.addDatasource(source.getLabel(), rrdFile, source.getEffectiveDataSource(), source.getAggregation());
    }
    try {
        dproc.processData();
    } catch (IOException e) {
        throw new RrdException("JRB processing failed.", e);
    }
    final long[] timestamps = dproc.getTimestamps();
    // Convert the timestamps to milliseconds
    for (int i = 0; i < timestamps.length; i++) {
        timestamps[i] *= 1000;
    }
    final Map<String, double[]> columns = Maps.newHashMapWithExpectedSize(rrdsBySource.keySet().size());
    for (Source source : rrdsBySource.keySet()) {
        columns.put(source.getLabel(), dproc.getValues(source.getLabel()));
    }
    return new FetchResults(timestamps, columns, dproc.getStep() * 1000, constants);
}

Example 19 with FetchResults

use of org.opennms.netmgt.measurements.api.FetchResults in project opennms by OpenNMS.

the class ReportDefinitionTest method testUnfilteredResourceAttributeFilteringWithMatch.

public void testUnfilteredResourceAttributeFilteringWithMatch() throws Exception {
    OnmsAttribute rrdAttribute = new RrdGraphAttribute("IfInOctets", "something", "something else");
    ExternalValueAttribute externalValueAttribute = new ExternalValueAttribute("ifSpeed", "100000000");
    Set<OnmsAttribute> attributes = new HashSet<>();
    attributes.add(rrdAttribute);
    attributes.add(externalValueAttribute);
    MockResourceType resourceType = new MockResourceType();
    resourceType.setName("interfaceSnmp");
    OnmsResource resource = new OnmsResource("1", "Node One", resourceType, attributes, ResourcePath.get("foo"));
    EasyMock.expect(m_resourceDao.findTopLevelResources()).andReturn(Collections.singletonList(resource));
    ReportDefinition def = createReportDefinition();
    def.setResourceAttributeKey(externalValueAttribute.getName());
    def.setResourceAttributeValueMatch(externalValueAttribute.getValue());
    ReportInstance report = def.createReport(m_nodeDao, m_resourceDao, m_fetchStrategy, m_filterDao);
    rrdAttribute.setResource(new OnmsResource("1", "Node One", resourceType, Collections.singleton(rrdAttribute), ResourcePath.get("foo")));
    Source source = new Source();
    source.setLabel("result");
    source.setResourceId(rrdAttribute.getResource().getId().toString());
    source.setAttribute(rrdAttribute.getName());
    source.setAggregation("AVERAGE");
    FetchResults results = new FetchResults(new long[] { report.getStartTime() }, Collections.singletonMap("result", new double[] { 100.0 }), report.getEndTime() - report.getStartTime(), Collections.emptyMap());
    EasyMock.expect(m_fetchStrategy.fetch(report.getStartTime(), report.getEndTime(), 1, 0, null, null, Collections.singletonList(source), false)).andReturn(results);
    m_mocks.replayAll();
    report.walk();
    m_mocks.verifyAll();
    assertEquals("results size", 1, report.getResults().size());
    m_mocks.replayAll();
}