Examples with Threshold org.opennms.netmgt.bsm.service.model.functions.reduce.Threshold used on opensource projects

Example 1 with Threshold

use of org.opennms.netmgt.bsm.service.model.functions.reduce.Threshold in project opennms by OpenNMS.

the class DefaultBusinessServiceStateMachineTest method canPerformRootCauseAndImpactAnalysis.

@Test
public void canPerformRootCauseAndImpactAnalysis() {
    // Create a hierarchy using all of the available reduction functions
    HighestSeverity highestSeverity = new HighestSeverity();
    Threshold threshold = new Threshold();
    threshold.setThreshold(0.5f);
    HighestSeverityAbove highestSeverityAbove = new HighestSeverityAbove();
    highestSeverityAbove.setThreshold(Status.MINOR);
    MockBusinessServiceHierarchy h = MockBusinessServiceHierarchy.builder().withBusinessService(1).withName("b1").withReductionFunction(highestSeverityAbove).withBusinessService(2).withName("b2").withReductionFunction(highestSeverity).withReductionKey(21, "a1").withReductionKey(22, "a2").withReductionKey(23, "a3").commit().withBusinessService(3).withName("b3").withReductionFunction(threshold).withReductionKey(34, "a4").withReductionKey(35, "a5").withReductionKey(36, "a6").withReductionKey(37, "a7").commit().commit().build();
    // Setup the state machine
    DefaultBusinessServiceStateMachine stateMachine = new DefaultBusinessServiceStateMachine();
    stateMachine.setBusinessServices(h.getBusinessServices());
    // Bump b2 to MINOR, caused by a1
    stateMachine.handleNewOrUpdatedAlarm(new MockAlarmWrapper("a1", Status.MINOR));
    // Bump b3 to MAJOR, caused by a4, a6 and a7
    stateMachine.handleNewOrUpdatedAlarm(new MockAlarmWrapper("a4", Status.MAJOR));
    stateMachine.handleNewOrUpdatedAlarm(new MockAlarmWrapper("a6", Status.CRITICAL));
    stateMachine.handleNewOrUpdatedAlarm(new MockAlarmWrapper("a7", Status.MAJOR));
    // Bumped b1 to MAJOR, caused by b3
    // Verify the state
    assertEquals(Status.MAJOR, stateMachine.getOperationalStatus(h.getBusinessServiceById(1)));
    assertEquals(Status.MINOR, stateMachine.getOperationalStatus(h.getBusinessServiceById(2)));
    assertEquals(Status.MAJOR, stateMachine.getOperationalStatus(h.getBusinessServiceById(3)));
    // Calculate and verify the root causes, b2 caused by a1
    List<GraphVertex> causedby = stateMachine.calculateRootCause(h.getBusinessServiceById(2));
    assertEquals(1, causedby.size());
    assertEquals("a1", causedby.get(0).getReductionKey());
    // b3 caused by a4, a6 and a7
    causedby = stateMachine.calculateRootCause(h.getBusinessServiceById(3));
    assertEquals(3, causedby.size());
    assertEquals("a4", causedby.get(0).getReductionKey());
    assertEquals("a6", causedby.get(1).getReductionKey());
    assertEquals("a7", causedby.get(2).getReductionKey());
    // b1 caused by b3, which was in turn caused by a4, a6 and a7
    causedby = stateMachine.calculateRootCause(h.getBusinessServiceById(1));
    assertEquals(4, causedby.size());
    assertEquals(Long.valueOf(3), causedby.get(0).getBusinessService().getId());
    assertEquals("a4", causedby.get(1).getReductionKey());
    assertEquals("a6", causedby.get(2).getReductionKey());
    assertEquals("a7", causedby.get(3).getReductionKey());
    // Now calculate the impact, a1 impacts b2
    List<GraphVertex> impacts = stateMachine.calculateImpact("a1");
    assertEquals(1, impacts.size());
    assertEquals("b2", impacts.get(0).getBusinessService().getName());
    // a4 impacts b3 which impacts b1
    impacts = stateMachine.calculateImpact("a4");
    assertEquals(2, impacts.size());
    assertEquals("b3", impacts.get(0).getBusinessService().getName());
    assertEquals("b1", impacts.get(1).getBusinessService().getName());
    // b3 impacts b1
    impacts = stateMachine.calculateImpact(h.getBusinessServiceById(3));
    assertEquals(1, impacts.size());
    assertEquals("b1", impacts.get(0).getBusinessService().getName());
}

Example 2 with Threshold

use of org.opennms.netmgt.bsm.service.model.functions.reduce.Threshold in project opennms by OpenNMS.

the class BusinessServiceVertexInfoPanelItemProvider method createComponent.

private Component createComponent(AbstractBusinessServiceVertex ref, GraphContainer graphContainer) {
    final FormLayout formLayout = new FormLayout();
    formLayout.setSpacing(false);
    formLayout.setMargin(false);
    ref.accept(new BusinessServiceVertexVisitor<Void>() {

        @Override
        public Void visit(BusinessServiceVertex vertex) {
            final BusinessService businessService = businessServiceManager.getBusinessServiceById(vertex.getServiceId());
            formLayout.addComponent(createLabel("Reduce function", getReduceFunctionDescription(businessService.getReduceFunction())));
            // Apply Reduce Function specific details
            businessService.getReduceFunction().accept(new ReduceFunctionVisitor<Void>() {

                @Override
                public Void visit(HighestSeverity highestSeverity) {
                    return null;
                }

                @Override
                public Void visit(HighestSeverityAbove highestSeverityAbove) {
                    return null;
                }

                @Override
                public // Threshold is not very transparent, we add an Explain Button in these cases
                Void visit(Threshold threshold) {
                    final Button explainButton = createButton("Explain", "Explain the Threshold function", FontAwesome.TABLE, (Button.ClickListener) event -> {
                        ThresholdExplanationWindow explainWindow = new ThresholdExplanationWindow(SimulationAwareStateMachineFactory.createSimulatedStateMachine(businessServiceManager, graphContainer.getCriteria()).explain(businessService, (Threshold) businessService.getReduceFunction()));
                        UI.getCurrent().addWindow(explainWindow);
                    });
                    explainButton.setStyleName(BaseTheme.BUTTON_LINK);
                    formLayout.addComponent(explainButton);
                    return null;
                }

                @Override
                public Void visit(ExponentialPropagation exponentialPropagation) {
                    return null;
                }
            });
            return null;
        }

        @Override
        public Void visit(IpServiceVertex vertex) {
            IpService ipService = businessServiceManager.getIpServiceById(vertex.getIpServiceId());
            formLayout.addComponent(createLabel("Interface", ipService.getIpAddress()));
            formLayout.addComponent(createLabel("Service", ipService.getServiceName()));
            if (!ipService.getServiceName().equals(vertex.getLabel())) {
                formLayout.addComponent(createLabel("Friendly Name", vertex.getLabel()));
            }
            return null;
        }

        @Override
        public Void visit(ReductionKeyVertex vertex) {
            formLayout.addComponent(createLabel("Reduction Key", vertex.getReductionKey()));
            if (!vertex.getReductionKey().equals(vertex.getLabel())) {
                formLayout.addComponent(createLabel("Friendly Name", vertex.getLabel()));
            }
            return null;
        }
    });
    return formLayout;
}

Example 3 with Threshold

use of org.opennms.netmgt.bsm.service.model.functions.reduce.Threshold in project opennms by OpenNMS.

the class DefaultBusinessServiceStateMachine method explain.

@Override
public ThresholdResultExplanation explain(BusinessService businessService, Threshold threshold) {
    final GraphVertex vertex = getGraph().getVertexByBusinessServiceId(businessService.getId());
    // Calculate the weighed statuses from the child edges
    List<StatusWithIndex> statusesWithIndices = weighEdges(getGraph().getOutEdges(vertex));
    List<Status> statuses = statusesWithIndices.stream().map(si -> si.getStatus()).collect(Collectors.toList());
    // Reduce
    Status reducedStatus = threshold.reduce(statusesWithIndices).orElse(new StatusWithIndices(MIN_SEVERITY, Collections.emptyList())).getStatus();
    ThresholdResultExplanation explanation = new ThresholdResultExplanation();
    explanation.setStatus(reducedStatus);
    explanation.setHitsByStatus(threshold.getHitsByStatus(statuses));
    explanation.setGraphEdges(getGraph().getOutEdges(vertex));
    explanation.setWeightStatuses(statuses);
    explanation.setFunction(threshold);
    Map<GraphEdge, GraphVertex> graphEdgeToGraphVertex = new HashMap<>();
    for (Edge eachEdge : businessService.getEdges()) {
        GraphVertex vertexForEdge = getGraph().getVertexByEdgeId(eachEdge.getId());
        GraphEdge graphEdge = getGraph().getGraphEdgeByEdgeId(eachEdge.getId());
        if (vertexForEdge != null && graphEdge != null) {
            graphEdgeToGraphVertex.put(graphEdge, vertexForEdge);
        }
    }
    explanation.setGraphEdgeToGraphVertexMapping(graphEdgeToGraphVertex);
    return explanation;
}