Examples with ControllerServiceNode org.apache.nifi.controller.service.ControllerServiceNode used on opensource projects

Example 26 with ControllerServiceNode

use of org.apache.nifi.controller.service.ControllerServiceNode in project nifi by apache.

the class StandardProcessGroup method getControllerServices.

@Override
public Set<ControllerServiceNode> getControllerServices(final boolean recursive) {
    final Set<ControllerServiceNode> services = new HashSet<>();
    readLock.lock();
    try {
        services.addAll(controllerServices.values());
    } finally {
        readLock.unlock();
    }
    if (recursive) {
        final ProcessGroup parentGroup = parent.get();
        if (parentGroup != null) {
            services.addAll(parentGroup.getControllerServices(true));
        }
    }
    return services;
}

Example 27 with ControllerServiceNode

use of org.apache.nifi.controller.service.ControllerServiceNode in project nifi by apache.

the class StandardProcessGroup method updateFlow.

@Override
public void updateFlow(final VersionedFlowSnapshot proposedSnapshot, final String componentIdSeed, final boolean verifyNotDirty, final boolean updateSettings, final boolean updateDescendantVersionedFlows) {
    writeLock.lock();
    try {
        verifyCanUpdate(proposedSnapshot, true, verifyNotDirty);
        final NiFiRegistryFlowMapper mapper = new NiFiRegistryFlowMapper();
        final VersionedProcessGroup versionedGroup = mapper.mapProcessGroup(this, controllerServiceProvider, flowController.getFlowRegistryClient(), true);
        final ComparableDataFlow localFlow = new StandardComparableDataFlow("Local Flow", versionedGroup);
        final ComparableDataFlow remoteFlow = new StandardComparableDataFlow("Remote Flow", proposedSnapshot.getFlowContents());
        final FlowComparator flowComparator = new StandardFlowComparator(remoteFlow, localFlow, getAncestorGroupServiceIds(), new StaticDifferenceDescriptor());
        final FlowComparison flowComparison = flowComparator.compare();
        final Set<String> updatedVersionedComponentIds = new HashSet<>();
        for (final FlowDifference diff : flowComparison.getDifferences()) {
            // Ignore these as local differences for now because we can't do anything with it
            if (diff.getDifferenceType() == DifferenceType.BUNDLE_CHANGED) {
                continue;
            }
            // and if so compare our VersionedControllerService to the existing service.
            if (diff.getDifferenceType() == DifferenceType.COMPONENT_ADDED) {
                final VersionedComponent component = diff.getComponentA() == null ? diff.getComponentB() : diff.getComponentA();
                if (ComponentType.CONTROLLER_SERVICE == component.getComponentType()) {
                    final ControllerServiceNode serviceNode = getVersionedControllerService(this, component.getIdentifier());
                    if (serviceNode != null) {
                        final VersionedControllerService versionedService = mapper.mapControllerService(serviceNode, controllerServiceProvider);
                        final Set<FlowDifference> differences = flowComparator.compareControllerServices(versionedService, (VersionedControllerService) component);
                        if (!differences.isEmpty()) {
                            updatedVersionedComponentIds.add(component.getIdentifier());
                        }
                        continue;
                    }
                }
            }
            final VersionedComponent component = diff.getComponentA() == null ? diff.getComponentB() : diff.getComponentA();
            updatedVersionedComponentIds.add(component.getIdentifier());
            if (component.getComponentType() == ComponentType.REMOTE_INPUT_PORT || component.getComponentType() == ComponentType.REMOTE_OUTPUT_PORT) {
                final String remoteGroupId = ((VersionedRemoteGroupPort) component).getRemoteGroupId();
                updatedVersionedComponentIds.add(remoteGroupId);
            }
        }
        if (LOG.isInfoEnabled()) {
            final String differencesByLine = flowComparison.getDifferences().stream().map(FlowDifference::toString).collect(Collectors.joining("\n"));
            LOG.info("Updating {} to {}; there are {} differences to take into account:\n{}", this, proposedSnapshot, flowComparison.getDifferences().size(), differencesByLine);
        }
        final Set<String> knownVariables = getKnownVariableNames();
        final StandardVersionControlInformation originalVci = this.versionControlInfo.get();
        try {
            updateProcessGroup(this, proposedSnapshot.getFlowContents(), componentIdSeed, updatedVersionedComponentIds, false, updateSettings, updateDescendantVersionedFlows, knownVariables);
        } catch (final Throwable t) {
            // As a result, it is safe to use the get() and then the set() methods of the AtomicReference without introducing the 'check-then-modify' problem.
            if (this.versionControlInfo.get() == null) {
                this.versionControlInfo.set(originalVci);
            }
            throw t;
        }
    } catch (final ProcessorInstantiationException pie) {
        throw new IllegalStateException("Failed to update flow", pie);
    } finally {
        writeLock.unlock();
    }
}

Example 28 with ControllerServiceNode

use of org.apache.nifi.controller.service.ControllerServiceNode in project nifi by apache.

the class StandardProcessGroup method addControllerService.

@Override
public void addControllerService(final ControllerServiceNode service) {
    writeLock.lock();
    try {
        final String id = requireNonNull(service).getIdentifier();
        final ControllerServiceNode existingService = controllerServices.get(id);
        if (existingService != null) {
            throw new IllegalStateException("A Controller Service is already registered to this ProcessGroup with ID " + id);
        }
        service.setProcessGroup(this);
        service.getVariableRegistry().setParent(getVariableRegistry());
        this.controllerServices.put(service.getIdentifier(), service);
        LOG.info("{} added to {}", service, this);
        onComponentModified();
    } finally {
        writeLock.unlock();
    }
}

Example 29 with ControllerServiceNode

use of org.apache.nifi.controller.service.ControllerServiceNode in project nifi by apache.

the class StandardProcessGroup method addControllerService.

private ControllerServiceNode addControllerService(final ProcessGroup destination, final VersionedControllerService proposed, final String componentIdSeed) {
    final String type = proposed.getType();
    final String id = generateUuid(proposed.getIdentifier(), destination.getIdentifier(), componentIdSeed);
    final Bundle bundle = proposed.getBundle();
    final BundleCoordinate coordinate = toCoordinate(bundle);
    final boolean firstTimeAdded = true;
    final Set<URL> additionalUrls = Collections.emptySet();
    final ControllerServiceNode newService = flowController.createControllerService(type, id, coordinate, additionalUrls, firstTimeAdded);
    newService.setVersionedComponentId(proposed.getIdentifier());
    destination.addControllerService(newService);
    updateControllerService(newService, proposed);
    return newService;
}

Example 30 with ControllerServiceNode

use of org.apache.nifi.controller.service.ControllerServiceNode in project nifi by apache.

the class StandardProcessGroup method updateProcessGroup.

private void updateProcessGroup(final ProcessGroup group, final VersionedProcessGroup proposed, final String componentIdSeed, final Set<String> updatedVersionedComponentIds, final boolean updatePosition, final boolean updateName, final boolean updateDescendantVersionedGroups, final Set<String> variablesToSkip) throws ProcessorInstantiationException {
    group.setComments(proposed.getComments());
    if (updateName) {
        group.setName(proposed.getName());
    }
    if (updatePosition && proposed.getPosition() != null) {
        group.setPosition(new Position(proposed.getPosition().getX(), proposed.getPosition().getY()));
    }
    // Determine which variables have been added/removed and add/remove them from this group's variable registry.
    // We don't worry about if a variable value has changed, because variables are designed to be 'environment specific.'
    // As a result, once imported, we won't update variables to match the remote flow, but we will add any missing variables
    // and remove any variables that are no longer part of the remote flow.
    final Set<String> existingVariableNames = group.getVariableRegistry().getVariableMap().keySet().stream().map(VariableDescriptor::getName).collect(Collectors.toSet());
    final Map<String, String> updatedVariableMap = new HashMap<>();
    // If any new variables exist in the proposed flow, add those to the variable registry.
    for (final Map.Entry<String, String> entry : proposed.getVariables().entrySet()) {
        if (!existingVariableNames.contains(entry.getKey()) && !variablesToSkip.contains(entry.getKey())) {
            updatedVariableMap.put(entry.getKey(), entry.getValue());
        }
    }
    group.setVariables(updatedVariableMap);
    final VersionedFlowCoordinates remoteCoordinates = proposed.getVersionedFlowCoordinates();
    if (remoteCoordinates == null) {
        group.disconnectVersionControl(false);
    } else {
        final String registryId = flowController.getFlowRegistryClient().getFlowRegistryId(remoteCoordinates.getRegistryUrl());
        final String bucketId = remoteCoordinates.getBucketId();
        final String flowId = remoteCoordinates.getFlowId();
        final int version = remoteCoordinates.getVersion();
        final FlowRegistry flowRegistry = flowController.getFlowRegistryClient().getFlowRegistry(registryId);
        final String registryName = flowRegistry == null ? registryId : flowRegistry.getName();
        final VersionedFlowState flowState = remoteCoordinates.getLatest() ? VersionedFlowState.UP_TO_DATE : VersionedFlowState.STALE;
        final VersionControlInformation vci = new StandardVersionControlInformation.Builder().registryId(registryId).registryName(registryName).bucketId(bucketId).bucketName(bucketId).flowId(flowId).flowName(flowId).version(version).flowSnapshot(proposed).status(new StandardVersionedFlowStatus(flowState, flowState.getDescription())).build();
        group.setVersionControlInformation(vci, Collections.emptyMap());
    }
    // Controller Services
    // Controller Services have to be handled a bit differently than other components. This is because Processors and Controller
    // Services may reference other Controller Services. Since we may be adding Service A, which depends on Service B, before adding
    // Service B, we need to ensure that we create all Controller Services first and then call updateControllerService for each
    // Controller Service. This way, we ensure that all services have been created before setting the properties. This allows us to
    // properly obtain the correct mapping of Controller Service VersionedComponentID to Controller Service instance id.
    final Map<String, ControllerServiceNode> servicesByVersionedId = group.getControllerServices(false).stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> controllerServicesRemoved = new HashSet<>(servicesByVersionedId.keySet());
    final Map<ControllerServiceNode, VersionedControllerService> services = new HashMap<>();
    // Add any Controller Service that does not yet exist.
    for (final VersionedControllerService proposedService : proposed.getControllerServices()) {
        ControllerServiceNode service = servicesByVersionedId.get(proposedService.getIdentifier());
        if (service == null) {
            service = addControllerService(group, proposedService, componentIdSeed);
            LOG.info("Added {} to {}", service, this);
        }
        services.put(service, proposedService);
    }
    // Update all of the Controller Services to match the VersionedControllerService
    for (final Map.Entry<ControllerServiceNode, VersionedControllerService> entry : services.entrySet()) {
        final ControllerServiceNode service = entry.getKey();
        final VersionedControllerService proposedService = entry.getValue();
        if (updatedVersionedComponentIds.contains(proposedService.getIdentifier())) {
            updateControllerService(service, proposedService);
            LOG.info("Updated {}", service);
        }
        controllerServicesRemoved.remove(proposedService.getIdentifier());
    }
    // Child groups
    final Map<String, ProcessGroup> childGroupsByVersionedId = group.getProcessGroups().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> childGroupsRemoved = new HashSet<>(childGroupsByVersionedId.keySet());
    for (final VersionedProcessGroup proposedChildGroup : proposed.getProcessGroups()) {
        final ProcessGroup childGroup = childGroupsByVersionedId.get(proposedChildGroup.getIdentifier());
        final VersionedFlowCoordinates childCoordinates = proposedChildGroup.getVersionedFlowCoordinates();
        if (childGroup == null) {
            final ProcessGroup added = addProcessGroup(group, proposedChildGroup, componentIdSeed, variablesToSkip);
            flowController.onProcessGroupAdded(added);
            added.findAllRemoteProcessGroups().stream().forEach(RemoteProcessGroup::initialize);
            LOG.info("Added {} to {}", added, this);
        } else if (childCoordinates == null || updateDescendantVersionedGroups) {
            updateProcessGroup(childGroup, proposedChildGroup, componentIdSeed, updatedVersionedComponentIds, true, true, updateDescendantVersionedGroups, variablesToSkip);
            LOG.info("Updated {}", childGroup);
        }
        childGroupsRemoved.remove(proposedChildGroup.getIdentifier());
    }
    // Funnels
    final Map<String, Funnel> funnelsByVersionedId = group.getFunnels().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> funnelsRemoved = new HashSet<>(funnelsByVersionedId.keySet());
    for (final VersionedFunnel proposedFunnel : proposed.getFunnels()) {
        final Funnel funnel = funnelsByVersionedId.get(proposedFunnel.getIdentifier());
        if (funnel == null) {
            final Funnel added = addFunnel(group, proposedFunnel, componentIdSeed);
            flowController.onFunnelAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedFunnel.getIdentifier())) {
            updateFunnel(funnel, proposedFunnel);
            LOG.info("Updated {}", funnel);
        } else {
            funnel.setPosition(new Position(proposedFunnel.getPosition().getX(), proposedFunnel.getPosition().getY()));
        }
        funnelsRemoved.remove(proposedFunnel.getIdentifier());
    }
    // Input Ports
    final Map<String, Port> inputPortsByVersionedId = group.getInputPorts().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> inputPortsRemoved = new HashSet<>(inputPortsByVersionedId.keySet());
    for (final VersionedPort proposedPort : proposed.getInputPorts()) {
        final Port port = inputPortsByVersionedId.get(proposedPort.getIdentifier());
        if (port == null) {
            final Port added = addInputPort(group, proposedPort, componentIdSeed);
            flowController.onInputPortAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedPort.getIdentifier())) {
            updatePort(port, proposedPort);
            LOG.info("Updated {}", port);
        } else {
            port.setPosition(new Position(proposedPort.getPosition().getX(), proposedPort.getPosition().getY()));
        }
        inputPortsRemoved.remove(proposedPort.getIdentifier());
    }
    // Output Ports
    final Map<String, Port> outputPortsByVersionedId = group.getOutputPorts().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> outputPortsRemoved = new HashSet<>(outputPortsByVersionedId.keySet());
    for (final VersionedPort proposedPort : proposed.getOutputPorts()) {
        final Port port = outputPortsByVersionedId.get(proposedPort.getIdentifier());
        if (port == null) {
            final Port added = addOutputPort(group, proposedPort, componentIdSeed);
            flowController.onOutputPortAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedPort.getIdentifier())) {
            updatePort(port, proposedPort);
            LOG.info("Updated {}", port);
        } else {
            port.setPosition(new Position(proposedPort.getPosition().getX(), proposedPort.getPosition().getY()));
        }
        outputPortsRemoved.remove(proposedPort.getIdentifier());
    }
    // Labels
    final Map<String, Label> labelsByVersionedId = group.getLabels().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> labelsRemoved = new HashSet<>(labelsByVersionedId.keySet());
    for (final VersionedLabel proposedLabel : proposed.getLabels()) {
        final Label label = labelsByVersionedId.get(proposedLabel.getIdentifier());
        if (label == null) {
            final Label added = addLabel(group, proposedLabel, componentIdSeed);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedLabel.getIdentifier())) {
            updateLabel(label, proposedLabel);
            LOG.info("Updated {}", label);
        } else {
            label.setPosition(new Position(proposedLabel.getPosition().getX(), proposedLabel.getPosition().getY()));
        }
        labelsRemoved.remove(proposedLabel.getIdentifier());
    }
    // Processors
    final Map<String, ProcessorNode> processorsByVersionedId = group.getProcessors().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> processorsRemoved = new HashSet<>(processorsByVersionedId.keySet());
    final Map<ProcessorNode, Set<Relationship>> autoTerminatedRelationships = new HashMap<>();
    for (final VersionedProcessor proposedProcessor : proposed.getProcessors()) {
        final ProcessorNode processor = processorsByVersionedId.get(proposedProcessor.getIdentifier());
        if (processor == null) {
            final ProcessorNode added = addProcessor(group, proposedProcessor, componentIdSeed);
            flowController.onProcessorAdded(added);
            final Set<Relationship> proposedAutoTerminated = proposedProcessor.getAutoTerminatedRelationships() == null ? Collections.emptySet() : proposedProcessor.getAutoTerminatedRelationships().stream().map(relName -> added.getRelationship(relName)).collect(Collectors.toSet());
            autoTerminatedRelationships.put(added, proposedAutoTerminated);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedProcessor.getIdentifier())) {
            updateProcessor(processor, proposedProcessor);
            final Set<Relationship> proposedAutoTerminated = proposedProcessor.getAutoTerminatedRelationships() == null ? Collections.emptySet() : proposedProcessor.getAutoTerminatedRelationships().stream().map(relName -> processor.getRelationship(relName)).collect(Collectors.toSet());
            if (!processor.getAutoTerminatedRelationships().equals(proposedAutoTerminated)) {
                autoTerminatedRelationships.put(processor, proposedAutoTerminated);
            }
            LOG.info("Updated {}", processor);
        } else {
            processor.setPosition(new Position(proposedProcessor.getPosition().getX(), proposedProcessor.getPosition().getY()));
        }
        processorsRemoved.remove(proposedProcessor.getIdentifier());
    }
    // Remote Groups
    final Map<String, RemoteProcessGroup> rpgsByVersionedId = group.getRemoteProcessGroups().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> rpgsRemoved = new HashSet<>(rpgsByVersionedId.keySet());
    for (final VersionedRemoteProcessGroup proposedRpg : proposed.getRemoteProcessGroups()) {
        final RemoteProcessGroup rpg = rpgsByVersionedId.get(proposedRpg.getIdentifier());
        if (rpg == null) {
            final RemoteProcessGroup added = addRemoteProcessGroup(group, proposedRpg, componentIdSeed);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedRpg.getIdentifier())) {
            updateRemoteProcessGroup(rpg, proposedRpg, componentIdSeed);
            LOG.info("Updated {}", rpg);
        } else {
            rpg.setPosition(new Position(proposedRpg.getPosition().getX(), proposedRpg.getPosition().getY()));
        }
        rpgsRemoved.remove(proposedRpg.getIdentifier());
    }
    // Connections
    final Map<String, Connection> connectionsByVersionedId = group.getConnections().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> connectionsRemoved = new HashSet<>(connectionsByVersionedId.keySet());
    for (final VersionedConnection proposedConnection : proposed.getConnections()) {
        final Connection connection = connectionsByVersionedId.get(proposedConnection.getIdentifier());
        if (connection == null) {
            final Connection added = addConnection(group, proposedConnection, componentIdSeed);
            flowController.onConnectionAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (isUpdateable(connection)) {
            // If the connection needs to be updated, then the source and destination will already have
            // been stopped (else, the validation above would fail). So if the source or the destination is running,
            // then we know that we don't need to update the connection.
            updateConnection(connection, proposedConnection);
            LOG.info("Updated {}", connection);
        }
        connectionsRemoved.remove(proposedConnection.getIdentifier());
    }
    // to remove a component if it has a connection going to it!
    for (final String removedVersionedId : connectionsRemoved) {
        final Connection connection = connectionsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", connection, group);
        group.removeConnection(connection);
        flowController.onConnectionRemoved(connection);
    }
    // Once the appropriate connections have been removed, we may now update Processors' auto-terminated relationships.
    // We cannot do this above, in the 'updateProcessor' call because if a connection is removed and changed to auto-terminated,
    // then updating this in the updateProcessor call above would attempt to set the Relationship to being auto-terminated while a
    // Connection for that relationship exists. This will throw an Exception.
    autoTerminatedRelationships.forEach((proc, rels) -> proc.setAutoTerminatedRelationships(rels));
    // Remove all controller services no longer in use
    for (final String removedVersionedId : controllerServicesRemoved) {
        final ControllerServiceNode service = servicesByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", service, group);
        // Must remove Controller Service through Flow Controller in order to remove from cache
        flowController.removeControllerService(service);
    }
    for (final String removedVersionedId : funnelsRemoved) {
        final Funnel funnel = funnelsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", funnel, group);
        group.removeFunnel(funnel);
    }
    for (final String removedVersionedId : inputPortsRemoved) {
        final Port port = inputPortsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", port, group);
        group.removeInputPort(port);
    }
    for (final String removedVersionedId : outputPortsRemoved) {
        final Port port = outputPortsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", port, group);
        group.removeOutputPort(port);
    }
    for (final String removedVersionedId : labelsRemoved) {
        final Label label = labelsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", label, group);
        group.removeLabel(label);
    }
    for (final String removedVersionedId : processorsRemoved) {
        final ProcessorNode processor = processorsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", processor, group);
        group.removeProcessor(processor);
    }
    for (final String removedVersionedId : rpgsRemoved) {
        final RemoteProcessGroup rpg = rpgsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", rpg, group);
        group.removeRemoteProcessGroup(rpg);
    }
    for (final String removedVersionedId : childGroupsRemoved) {
        final ProcessGroup childGroup = childGroupsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", childGroup, group);
        group.removeProcessGroup(childGroup);
    }
}