Examples with InstantiatedVersionedProcessGroup org.apache.nifi.registry.flow.mapping.InstantiatedVersionedProcessGroup used on opensource projects

Example 1 with InstantiatedVersionedProcessGroup

use of org.apache.nifi.registry.flow.mapping.InstantiatedVersionedProcessGroup in project nifi by apache.

the class StandardNiFiServiceFacade method registerFlowWithFlowRegistry.

@Override
public VersionControlComponentMappingEntity registerFlowWithFlowRegistry(final String groupId, final StartVersionControlRequestEntity requestEntity) {
    final ProcessGroup processGroup = processGroupDAO.getProcessGroup(groupId);
    final VersionControlInformation currentVci = processGroup.getVersionControlInformation();
    final int expectedVersion = currentVci == null ? 1 : currentVci.getVersion() + 1;
    // Create a VersionedProcessGroup snapshot of the flow as it is currently.
    final InstantiatedVersionedProcessGroup versionedProcessGroup = createFlowSnapshot(groupId);
    final VersionedFlowDTO versionedFlowDto = requestEntity.getVersionedFlow();
    final String flowId = versionedFlowDto.getFlowId() == null ? UUID.randomUUID().toString() : versionedFlowDto.getFlowId();
    final VersionedFlow versionedFlow = new VersionedFlow();
    versionedFlow.setBucketIdentifier(versionedFlowDto.getBucketId());
    versionedFlow.setCreatedTimestamp(System.currentTimeMillis());
    versionedFlow.setDescription(versionedFlowDto.getDescription());
    versionedFlow.setModifiedTimestamp(versionedFlow.getCreatedTimestamp());
    versionedFlow.setName(versionedFlowDto.getFlowName());
    versionedFlow.setIdentifier(flowId);
    // Add the Versioned Flow and first snapshot to the Flow Registry
    final String registryId = requestEntity.getVersionedFlow().getRegistryId();
    final VersionedFlowSnapshot registeredSnapshot;
    final VersionedFlow registeredFlow;
    String action = "create the flow";
    try {
        // first, create the flow in the registry, if necessary
        if (versionedFlowDto.getFlowId() == null) {
            registeredFlow = registerVersionedFlow(registryId, versionedFlow);
        } else {
            registeredFlow = getVersionedFlow(registryId, versionedFlowDto.getBucketId(), versionedFlowDto.getFlowId());
        }
        action = "add the local flow to the Flow Registry as the first Snapshot";
        // add first snapshot to the flow in the registry
        registeredSnapshot = registerVersionedFlowSnapshot(registryId, registeredFlow, versionedProcessGroup, versionedFlowDto.getComments(), expectedVersion);
    } catch (final NiFiRegistryException e) {
        throw new IllegalArgumentException(e.getLocalizedMessage());
    } catch (final IOException ioe) {
        throw new IllegalStateException("Failed to communicate with Flow Registry when attempting to " + action);
    }
    final Bucket bucket = registeredSnapshot.getBucket();
    final VersionedFlow flow = registeredSnapshot.getFlow();
    // Update the Process Group with the new VersionControlInformation. (Send this to all nodes).
    final VersionControlInformationDTO vci = new VersionControlInformationDTO();
    vci.setBucketId(bucket.getIdentifier());
    vci.setBucketName(bucket.getName());
    vci.setFlowId(flow.getIdentifier());
    vci.setFlowName(flow.getName());
    vci.setFlowDescription(flow.getDescription());
    vci.setGroupId(groupId);
    vci.setRegistryId(registryId);
    vci.setRegistryName(getFlowRegistryName(registryId));
    vci.setVersion(registeredSnapshot.getSnapshotMetadata().getVersion());
    vci.setState(VersionedFlowState.UP_TO_DATE.name());
    final Map<String, String> mapping = dtoFactory.createVersionControlComponentMappingDto(versionedProcessGroup);
    final Revision groupRevision = revisionManager.getRevision(groupId);
    final RevisionDTO groupRevisionDto = dtoFactory.createRevisionDTO(groupRevision);
    final VersionControlComponentMappingEntity entity = new VersionControlComponentMappingEntity();
    entity.setVersionControlInformation(vci);
    entity.setProcessGroupRevision(groupRevisionDto);
    entity.setVersionControlComponentMapping(mapping);
    return entity;
}

Example 2 with InstantiatedVersionedProcessGroup

use of org.apache.nifi.registry.flow.mapping.InstantiatedVersionedProcessGroup in project nifi by apache.

the class StandardNiFiServiceFacade method createFlowSnapshot.

private InstantiatedVersionedProcessGroup createFlowSnapshot(final String processGroupId) {
    final ProcessGroup processGroup = processGroupDAO.getProcessGroup(processGroupId);
    final NiFiRegistryFlowMapper mapper = new NiFiRegistryFlowMapper();
    final InstantiatedVersionedProcessGroup versionedGroup = mapper.mapProcessGroup(processGroup, controllerFacade.getControllerServiceProvider(), flowRegistryClient, false);
    return versionedGroup;
}

Example 3 with InstantiatedVersionedProcessGroup

use of org.apache.nifi.registry.flow.mapping.InstantiatedVersionedProcessGroup in project nifi by apache.

the class StandardNiFiServiceFacade method getComponentsAffectedByVersionChange.

@Override
public Set<AffectedComponentEntity> getComponentsAffectedByVersionChange(final String processGroupId, final VersionedFlowSnapshot updatedSnapshot, final NiFiUser user) {
    final ProcessGroup group = processGroupDAO.getProcessGroup(processGroupId);
    final NiFiRegistryFlowMapper mapper = new NiFiRegistryFlowMapper();
    final VersionedProcessGroup localContents = mapper.mapProcessGroup(group, controllerFacade.getControllerServiceProvider(), flowRegistryClient, true);
    final ComparableDataFlow localFlow = new StandardComparableDataFlow("Local Flow", localContents);
    final ComparableDataFlow proposedFlow = new StandardComparableDataFlow("Versioned Flow", updatedSnapshot.getFlowContents());
    final Set<String> ancestorGroupServiceIds = getAncestorGroupServiceIds(group);
    final FlowComparator flowComparator = new StandardFlowComparator(localFlow, proposedFlow, ancestorGroupServiceIds, new StaticDifferenceDescriptor());
    final FlowComparison comparison = flowComparator.compare();
    final Set<AffectedComponentEntity> affectedComponents = comparison.getDifferences().stream().filter(// components that are added are not components that will be affected in the local flow.
    difference -> difference.getDifferenceType() != DifferenceType.COMPONENT_ADDED).filter(difference -> difference.getDifferenceType() != DifferenceType.BUNDLE_CHANGED).filter(FlowDifferenceFilters.FILTER_ADDED_REMOVED_REMOTE_PORTS).map(difference -> {
        final VersionedComponent localComponent = difference.getComponentA();
        final String state;
        switch(localComponent.getComponentType()) {
            case CONTROLLER_SERVICE:
                final String serviceId = ((InstantiatedVersionedControllerService) localComponent).getInstanceId();
                state = controllerServiceDAO.getControllerService(serviceId).getState().name();
                break;
            case PROCESSOR:
                final String processorId = ((InstantiatedVersionedProcessor) localComponent).getInstanceId();
                state = processorDAO.getProcessor(processorId).getPhysicalScheduledState().name();
                break;
            case REMOTE_INPUT_PORT:
                final InstantiatedVersionedRemoteGroupPort inputPort = (InstantiatedVersionedRemoteGroupPort) localComponent;
                state = remoteProcessGroupDAO.getRemoteProcessGroup(inputPort.getInstanceGroupId()).getInputPort(inputPort.getInstanceId()).getScheduledState().name();
                break;
            case REMOTE_OUTPUT_PORT:
                final InstantiatedVersionedRemoteGroupPort outputPort = (InstantiatedVersionedRemoteGroupPort) localComponent;
                state = remoteProcessGroupDAO.getRemoteProcessGroup(outputPort.getInstanceGroupId()).getOutputPort(outputPort.getInstanceId()).getScheduledState().name();
                break;
            default:
                state = null;
                break;
        }
        return createAffectedComponentEntity((InstantiatedVersionedComponent) localComponent, localComponent.getComponentType().name(), state, user);
    }).collect(Collectors.toCollection(HashSet::new));
    for (final FlowDifference difference : comparison.getDifferences()) {
        // Ignore these as local differences for now because we can't do anything with it
        if (difference.getDifferenceType() == DifferenceType.BUNDLE_CHANGED) {
            continue;
        }
        // Ignore differences for adding remote ports
        if (FlowDifferenceFilters.isAddedOrRemovedRemotePort(difference)) {
            continue;
        }
        final VersionedComponent localComponent = difference.getComponentA();
        if (localComponent == null) {
            continue;
        }
        // If any Process Group is removed, consider all components below that Process Group as an affected component
        if (difference.getDifferenceType() == DifferenceType.COMPONENT_REMOVED && localComponent.getComponentType() == org.apache.nifi.registry.flow.ComponentType.PROCESS_GROUP) {
            final String localGroupId = ((InstantiatedVersionedProcessGroup) localComponent).getInstanceId();
            final ProcessGroup localGroup = processGroupDAO.getProcessGroup(localGroupId);
            localGroup.findAllProcessors().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllFunnels().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllInputPorts().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllOutputPorts().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllRemoteProcessGroups().stream().flatMap(rpg -> Stream.concat(rpg.getInputPorts().stream(), rpg.getOutputPorts().stream())).map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllControllerServices().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
        }
        if (localComponent.getComponentType() == org.apache.nifi.registry.flow.ComponentType.CONTROLLER_SERVICE) {
            final String serviceId = ((InstantiatedVersionedControllerService) localComponent).getInstanceId();
            final ControllerServiceNode serviceNode = controllerServiceDAO.getControllerService(serviceId);
            final List<ControllerServiceNode> referencingServices = serviceNode.getReferences().findRecursiveReferences(ControllerServiceNode.class);
            for (final ControllerServiceNode referencingService : referencingServices) {
                affectedComponents.add(createAffectedComponentEntity(referencingService, user));
            }
            final List<ProcessorNode> referencingProcessors = serviceNode.getReferences().findRecursiveReferences(ProcessorNode.class);
            for (final ProcessorNode referencingProcessor : referencingProcessors) {
                affectedComponents.add(createAffectedComponentEntity(referencingProcessor, user));
            }
        }
    }
    // Create a map of all connectable components by versioned component ID to the connectable component itself
    final Map<String, List<Connectable>> connectablesByVersionId = new HashMap<>();
    mapToConnectableId(group.findAllFunnels(), connectablesByVersionId);
    mapToConnectableId(group.findAllInputPorts(), connectablesByVersionId);
    mapToConnectableId(group.findAllOutputPorts(), connectablesByVersionId);
    mapToConnectableId(group.findAllProcessors(), connectablesByVersionId);
    final List<RemoteGroupPort> remotePorts = new ArrayList<>();
    for (final RemoteProcessGroup rpg : group.findAllRemoteProcessGroups()) {
        remotePorts.addAll(rpg.getInputPorts());
        remotePorts.addAll(rpg.getOutputPorts());
    }
    mapToConnectableId(remotePorts, connectablesByVersionId);
    // and the destination (if it exists in the flow currently).
    for (final FlowDifference difference : comparison.getDifferences()) {
        VersionedComponent component = difference.getComponentA();
        if (component == null) {
            component = difference.getComponentB();
        }
        if (component.getComponentType() != org.apache.nifi.registry.flow.ComponentType.CONNECTION) {
            continue;
        }
        final VersionedConnection connection = (VersionedConnection) component;
        final String sourceVersionedId = connection.getSource().getId();
        final List<Connectable> sources = connectablesByVersionId.get(sourceVersionedId);
        if (sources != null) {
            for (final Connectable source : sources) {
                affectedComponents.add(createAffectedComponentEntity(source, user));
            }
        }
        final String destinationVersionId = connection.getDestination().getId();
        final List<Connectable> destinations = connectablesByVersionId.get(destinationVersionId);
        if (destinations != null) {
            for (final Connectable destination : destinations) {
                affectedComponents.add(createAffectedComponentEntity(destination, user));
            }
        }
    }
    return affectedComponents;
}