Examples with FlowSnippetDTO org.apache.nifi.web.api.dto.FlowSnippetDTO used on opensource projects

Example 11 with FlowSnippetDTO

use of org.apache.nifi.web.api.dto.FlowSnippetDTO in project nifi by apache.

the class SnippetUtils method findAllVersionControlInfo.

private static void findAllVersionControlInfo(final ProcessGroupDTO dto, final List<VersionControlInformationDTO> found) {
    final VersionControlInformationDTO vci = dto.getVersionControlInformation();
    if (vci != null) {
        found.add(vci);
    }
    final FlowSnippetDTO contents = dto.getContents();
    if (contents != null) {
        for (final ProcessGroupDTO child : contents.getProcessGroups()) {
            findAllVersionControlInfo(child, found);
        }
    }
}

Example 12 with FlowSnippetDTO

use of org.apache.nifi.web.api.dto.FlowSnippetDTO in project nifi by apache.

the class FlowController method instantiateSnippet.

private void instantiateSnippet(final ProcessGroup group, final FlowSnippetDTO dto, final boolean topLevel) throws ProcessorInstantiationException {
    writeLock.lock();
    try {
        validateSnippetContents(requireNonNull(group), dto);
        // 
        for (final ControllerServiceDTO controllerServiceDTO : dto.getControllerServices()) {
            final BundleCoordinate bundleCoordinate = BundleUtils.getBundle(controllerServiceDTO.getType(), controllerServiceDTO.getBundle());
            final ControllerServiceNode serviceNode = createControllerService(controllerServiceDTO.getType(), controllerServiceDTO.getId(), bundleCoordinate, Collections.emptySet(), true);
            serviceNode.setAnnotationData(controllerServiceDTO.getAnnotationData());
            serviceNode.setComments(controllerServiceDTO.getComments());
            serviceNode.setName(controllerServiceDTO.getName());
            if (!topLevel) {
                serviceNode.setVersionedComponentId(controllerServiceDTO.getVersionedComponentId());
            }
            group.addControllerService(serviceNode);
        }
        // references another service.
        for (final ControllerServiceDTO controllerServiceDTO : dto.getControllerServices()) {
            final String serviceId = controllerServiceDTO.getId();
            final ControllerServiceNode serviceNode = getControllerServiceNode(serviceId);
            serviceNode.setProperties(controllerServiceDTO.getProperties());
        }
        // 
        for (final LabelDTO labelDTO : dto.getLabels()) {
            final Label label = createLabel(labelDTO.getId(), labelDTO.getLabel());
            label.setPosition(toPosition(labelDTO.getPosition()));
            if (labelDTO.getWidth() != null && labelDTO.getHeight() != null) {
                label.setSize(new Size(labelDTO.getWidth(), labelDTO.getHeight()));
            }
            label.setStyle(labelDTO.getStyle());
            if (!topLevel) {
                label.setVersionedComponentId(labelDTO.getVersionedComponentId());
            }
            group.addLabel(label);
        }
        // Instantiate the funnels
        for (final FunnelDTO funnelDTO : dto.getFunnels()) {
            final Funnel funnel = createFunnel(funnelDTO.getId());
            funnel.setPosition(toPosition(funnelDTO.getPosition()));
            if (!topLevel) {
                funnel.setVersionedComponentId(funnelDTO.getVersionedComponentId());
            }
            group.addFunnel(funnel);
        }
        // 
        for (final PortDTO portDTO : dto.getInputPorts()) {
            final Port inputPort;
            if (group.isRootGroup()) {
                inputPort = createRemoteInputPort(portDTO.getId(), portDTO.getName());
                inputPort.setMaxConcurrentTasks(portDTO.getConcurrentlySchedulableTaskCount());
                if (portDTO.getGroupAccessControl() != null) {
                    ((RootGroupPort) inputPort).setGroupAccessControl(portDTO.getGroupAccessControl());
                }
                if (portDTO.getUserAccessControl() != null) {
                    ((RootGroupPort) inputPort).setUserAccessControl(portDTO.getUserAccessControl());
                }
            } else {
                inputPort = createLocalInputPort(portDTO.getId(), portDTO.getName());
            }
            if (!topLevel) {
                inputPort.setVersionedComponentId(portDTO.getVersionedComponentId());
            }
            inputPort.setPosition(toPosition(portDTO.getPosition()));
            inputPort.setProcessGroup(group);
            inputPort.setComments(portDTO.getComments());
            group.addInputPort(inputPort);
        }
        for (final PortDTO portDTO : dto.getOutputPorts()) {
            final Port outputPort;
            if (group.isRootGroup()) {
                outputPort = createRemoteOutputPort(portDTO.getId(), portDTO.getName());
                outputPort.setMaxConcurrentTasks(portDTO.getConcurrentlySchedulableTaskCount());
                if (portDTO.getGroupAccessControl() != null) {
                    ((RootGroupPort) outputPort).setGroupAccessControl(portDTO.getGroupAccessControl());
                }
                if (portDTO.getUserAccessControl() != null) {
                    ((RootGroupPort) outputPort).setUserAccessControl(portDTO.getUserAccessControl());
                }
            } else {
                outputPort = createLocalOutputPort(portDTO.getId(), portDTO.getName());
            }
            if (!topLevel) {
                outputPort.setVersionedComponentId(portDTO.getVersionedComponentId());
            }
            outputPort.setPosition(toPosition(portDTO.getPosition()));
            outputPort.setProcessGroup(group);
            outputPort.setComments(portDTO.getComments());
            group.addOutputPort(outputPort);
        }
        // 
        for (final ProcessorDTO processorDTO : dto.getProcessors()) {
            final BundleCoordinate bundleCoordinate = BundleUtils.getBundle(processorDTO.getType(), processorDTO.getBundle());
            final ProcessorNode procNode = createProcessor(processorDTO.getType(), processorDTO.getId(), bundleCoordinate);
            procNode.setPosition(toPosition(processorDTO.getPosition()));
            procNode.setProcessGroup(group);
            if (!topLevel) {
                procNode.setVersionedComponentId(processorDTO.getVersionedComponentId());
            }
            final ProcessorConfigDTO config = processorDTO.getConfig();
            procNode.setComments(config.getComments());
            if (config.isLossTolerant() != null) {
                procNode.setLossTolerant(config.isLossTolerant());
            }
            procNode.setName(processorDTO.getName());
            procNode.setYieldPeriod(config.getYieldDuration());
            procNode.setPenalizationPeriod(config.getPenaltyDuration());
            procNode.setBulletinLevel(LogLevel.valueOf(config.getBulletinLevel()));
            procNode.setAnnotationData(config.getAnnotationData());
            procNode.setStyle(processorDTO.getStyle());
            if (config.getRunDurationMillis() != null) {
                procNode.setRunDuration(config.getRunDurationMillis(), TimeUnit.MILLISECONDS);
            }
            if (config.getSchedulingStrategy() != null) {
                procNode.setSchedulingStrategy(SchedulingStrategy.valueOf(config.getSchedulingStrategy()));
            }
            if (config.getExecutionNode() != null) {
                procNode.setExecutionNode(ExecutionNode.valueOf(config.getExecutionNode()));
            }
            if (processorDTO.getState().equals(ScheduledState.DISABLED.toString())) {
                procNode.disable();
            }
            // ensure that the scheduling strategy is set prior to these values
            procNode.setMaxConcurrentTasks(config.getConcurrentlySchedulableTaskCount());
            procNode.setScheduldingPeriod(config.getSchedulingPeriod());
            final Set<Relationship> relationships = new HashSet<>();
            if (processorDTO.getRelationships() != null) {
                for (final RelationshipDTO rel : processorDTO.getRelationships()) {
                    if (rel.isAutoTerminate()) {
                        relationships.add(procNode.getRelationship(rel.getName()));
                    }
                }
                procNode.setAutoTerminatedRelationships(relationships);
            }
            if (config.getProperties() != null) {
                procNode.setProperties(config.getProperties());
            }
            group.addProcessor(procNode);
        }
        // 
        for (final RemoteProcessGroupDTO remoteGroupDTO : dto.getRemoteProcessGroups()) {
            final RemoteProcessGroup remoteGroup = createRemoteProcessGroup(remoteGroupDTO.getId(), remoteGroupDTO.getTargetUris());
            remoteGroup.setComments(remoteGroupDTO.getComments());
            remoteGroup.setPosition(toPosition(remoteGroupDTO.getPosition()));
            remoteGroup.setCommunicationsTimeout(remoteGroupDTO.getCommunicationsTimeout());
            remoteGroup.setYieldDuration(remoteGroupDTO.getYieldDuration());
            if (!topLevel) {
                remoteGroup.setVersionedComponentId(remoteGroupDTO.getVersionedComponentId());
            }
            if (remoteGroupDTO.getTransportProtocol() == null) {
                remoteGroup.setTransportProtocol(SiteToSiteTransportProtocol.RAW);
            } else {
                remoteGroup.setTransportProtocol(SiteToSiteTransportProtocol.valueOf(remoteGroupDTO.getTransportProtocol()));
            }
            remoteGroup.setProxyHost(remoteGroupDTO.getProxyHost());
            remoteGroup.setProxyPort(remoteGroupDTO.getProxyPort());
            remoteGroup.setProxyUser(remoteGroupDTO.getProxyUser());
            remoteGroup.setProxyPassword(remoteGroupDTO.getProxyPassword());
            remoteGroup.setProcessGroup(group);
            // set the input/output ports
            if (remoteGroupDTO.getContents() != null) {
                final RemoteProcessGroupContentsDTO contents = remoteGroupDTO.getContents();
                // ensure there are input ports
                if (contents.getInputPorts() != null) {
                    remoteGroup.setInputPorts(convertRemotePort(contents.getInputPorts()), false);
                }
                // ensure there are output ports
                if (contents.getOutputPorts() != null) {
                    remoteGroup.setOutputPorts(convertRemotePort(contents.getOutputPorts()), false);
                }
            }
            group.addRemoteProcessGroup(remoteGroup);
        }
        // 
        for (final ProcessGroupDTO groupDTO : dto.getProcessGroups()) {
            final ProcessGroup childGroup = createProcessGroup(groupDTO.getId());
            childGroup.setParent(group);
            childGroup.setPosition(toPosition(groupDTO.getPosition()));
            childGroup.setComments(groupDTO.getComments());
            childGroup.setName(groupDTO.getName());
            if (groupDTO.getVariables() != null) {
                childGroup.setVariables(groupDTO.getVariables());
            }
            // We do this only if this component is the child of a Versioned Component.
            if (!topLevel) {
                childGroup.setVersionedComponentId(groupDTO.getVersionedComponentId());
            }
            group.addProcessGroup(childGroup);
            final FlowSnippetDTO contents = groupDTO.getContents();
            // we want this to be recursive, so we will create a new template that contains only
            // the contents of this child group and recursively call ourselves.
            final FlowSnippetDTO childTemplateDTO = new FlowSnippetDTO();
            childTemplateDTO.setConnections(contents.getConnections());
            childTemplateDTO.setInputPorts(contents.getInputPorts());
            childTemplateDTO.setLabels(contents.getLabels());
            childTemplateDTO.setOutputPorts(contents.getOutputPorts());
            childTemplateDTO.setProcessGroups(contents.getProcessGroups());
            childTemplateDTO.setProcessors(contents.getProcessors());
            childTemplateDTO.setFunnels(contents.getFunnels());
            childTemplateDTO.setRemoteProcessGroups(contents.getRemoteProcessGroups());
            childTemplateDTO.setControllerServices(contents.getControllerServices());
            instantiateSnippet(childGroup, childTemplateDTO, false);
            if (groupDTO.getVersionControlInformation() != null) {
                final VersionControlInformation vci = StandardVersionControlInformation.Builder.fromDto(groupDTO.getVersionControlInformation()).build();
                childGroup.setVersionControlInformation(vci, Collections.emptyMap());
            }
        }
        // 
        for (final ConnectionDTO connectionDTO : dto.getConnections()) {
            final ConnectableDTO sourceDTO = connectionDTO.getSource();
            final ConnectableDTO destinationDTO = connectionDTO.getDestination();
            final Connectable source;
            final Connectable destination;
            // see if the source connectable is a remote port
            if (ConnectableType.REMOTE_OUTPUT_PORT.name().equals(sourceDTO.getType())) {
                final RemoteProcessGroup remoteGroup = group.getRemoteProcessGroup(sourceDTO.getGroupId());
                source = remoteGroup.getOutputPort(sourceDTO.getId());
            } else {
                final ProcessGroup sourceGroup = getConnectableParent(group, sourceDTO.getGroupId());
                source = sourceGroup.getConnectable(sourceDTO.getId());
            }
            // see if the destination connectable is a remote port
            if (ConnectableType.REMOTE_INPUT_PORT.name().equals(destinationDTO.getType())) {
                final RemoteProcessGroup remoteGroup = group.getRemoteProcessGroup(destinationDTO.getGroupId());
                destination = remoteGroup.getInputPort(destinationDTO.getId());
            } else {
                final ProcessGroup destinationGroup = getConnectableParent(group, destinationDTO.getGroupId());
                destination = destinationGroup.getConnectable(destinationDTO.getId());
            }
            // determine the selection relationships for this connection
            final Set<String> relationships = new HashSet<>();
            if (connectionDTO.getSelectedRelationships() != null) {
                relationships.addAll(connectionDTO.getSelectedRelationships());
            }
            final Connection connection = createConnection(connectionDTO.getId(), connectionDTO.getName(), source, destination, relationships);
            if (!topLevel) {
                connection.setVersionedComponentId(connectionDTO.getVersionedComponentId());
            }
            if (connectionDTO.getBends() != null) {
                final List<Position> bendPoints = new ArrayList<>();
                for (final PositionDTO bend : connectionDTO.getBends()) {
                    bendPoints.add(new Position(bend.getX(), bend.getY()));
                }
                connection.setBendPoints(bendPoints);
            }
            final FlowFileQueue queue = connection.getFlowFileQueue();
            queue.setBackPressureDataSizeThreshold(connectionDTO.getBackPressureDataSizeThreshold());
            queue.setBackPressureObjectThreshold(connectionDTO.getBackPressureObjectThreshold());
            queue.setFlowFileExpiration(connectionDTO.getFlowFileExpiration());
            final List<String> prioritizers = connectionDTO.getPrioritizers();
            if (prioritizers != null) {
                final List<String> newPrioritizersClasses = new ArrayList<>(prioritizers);
                final List<FlowFilePrioritizer> newPrioritizers = new ArrayList<>();
                for (final String className : newPrioritizersClasses) {
                    try {
                        newPrioritizers.add(createPrioritizer(className));
                    } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException e) {
                        throw new IllegalArgumentException("Unable to set prioritizer " + className + ": " + e);
                    }
                }
                queue.setPriorities(newPrioritizers);
            }
            connection.setProcessGroup(group);
            group.addConnection(connection);
        }
    } finally {
        writeLock.unlock();
    }
}

Example 13 with FlowSnippetDTO

use of org.apache.nifi.web.api.dto.FlowSnippetDTO in project nifi-minifi by apache.

the class FlowSnippetDTOEnricher method enrich.

public void enrich(FlowSnippetDTO flowSnippetDTO, final String encodingVersion) {
    List<FlowSnippetDTO> allFlowSnippets = getAllFlowSnippets(flowSnippetDTO);
    Set<RemoteProcessGroupDTO> remoteProcessGroups = getAll(allFlowSnippets, FlowSnippetDTO::getRemoteProcessGroups).collect(Collectors.toSet());
    Map<String, String> connectableNameMap = getAll(allFlowSnippets, FlowSnippetDTO::getProcessors).collect(Collectors.toMap(ComponentDTO::getId, ProcessorDTO::getName));
    Map<String, String> rpgIdToTargetIdMap = new HashMap<>();
    for (RemoteProcessGroupDTO remoteProcessGroupDTO : remoteProcessGroups) {
        final RemoteProcessGroupContentsDTO contents = remoteProcessGroupDTO.getContents();
        final Set<RemoteProcessGroupPortDTO> rpgInputPortDtos = nullToEmpty(contents.getInputPorts());
        final Set<RemoteProcessGroupPortDTO> rpgOutputPortDtos = nullToEmpty(contents.getOutputPorts());
        switch(encodingVersion) {
            case "1.2":
                // Map all port DTOs to their respective targetIds
                rpgIdToTargetIdMap.putAll(Stream.concat(rpgInputPortDtos.stream(), rpgOutputPortDtos.stream()).collect(Collectors.toMap(RemoteProcessGroupPortDTO::getId, RemoteProcessGroupPortDTO::getTargetId)));
                break;
            default:
                break;
        }
        addConnectables(connectableNameMap, rpgInputPortDtos, RemoteProcessGroupPortDTO::getId, RemoteProcessGroupPortDTO::getId);
        addConnectables(connectableNameMap, rpgOutputPortDtos, RemoteProcessGroupPortDTO::getId, RemoteProcessGroupPortDTO::getId);
    }
    addConnectables(connectableNameMap, getAll(allFlowSnippets, FlowSnippetDTO::getInputPorts).collect(Collectors.toList()), PortDTO::getId, PortDTO::getName);
    addConnectables(connectableNameMap, getAll(allFlowSnippets, FlowSnippetDTO::getOutputPorts).collect(Collectors.toList()), PortDTO::getId, PortDTO::getName);
    final Set<ConnectionDTO> connections = getAll(allFlowSnippets, FlowSnippetDTO::getConnections).collect(Collectors.toSet());
    // Enrich connection endpoints using known names and overriding with targetIds for remote ports
    for (ConnectionDTO connection : connections) {
        setName(connectableNameMap, connection.getSource(), rpgIdToTargetIdMap);
        setName(connectableNameMap, connection.getDestination(), rpgIdToTargetIdMap);
    }
    // Override any ids that are for Remote Ports to use their target Ids where available
    connections.stream().flatMap(connectionDTO -> Stream.of(connectionDTO.getSource(), connectionDTO.getDestination())).filter(connectable -> connectable.getType().equals(ConnectableType.REMOTE_OUTPUT_PORT.toString()) || connectable.getType().equals(ConnectableType.REMOTE_INPUT_PORT.toString())).forEach(connectable -> connectable.setId(Optional.ofNullable(rpgIdToTargetIdMap.get(connectable.getId())).orElse(connectable.getId())));
    // Establish unique names for connections
    for (ConnectionDTO connection : connections) {
        if (StringUtil.isNullOrEmpty(connection.getName())) {
            StringBuilder name = new StringBuilder();
            ConnectableDTO connectionSource = connection.getSource();
            name.append(determineValueForConnectable(connectionSource, rpgIdToTargetIdMap));
            name.append("/");
            if (connection.getSelectedRelationships() != null && connection.getSelectedRelationships().size() > 0) {
                name.append(connection.getSelectedRelationships().iterator().next());
            }
            name.append("/");
            ConnectableDTO connectionDestination = connection.getDestination();
            name.append(determineValueForConnectable(connectionDestination, rpgIdToTargetIdMap));
            connection.setName(name.toString());
        }
    }
    nullToEmpty(flowSnippetDTO.getProcessGroups()).stream().map(ProcessGroupDTO::getContents).forEach(snippetDTO -> enrich(snippetDTO, encodingVersion));
}

Example 14 with FlowSnippetDTO

use of org.apache.nifi.web.api.dto.FlowSnippetDTO in project nifi-minifi by apache.

the class ConfigSchemaFunction method apply.

@Override
public ConfigSchema apply(TemplateDTO templateDTO) {
    Map<String, Object> map = new HashMap<>();
    map.put(CommonPropertyKeys.FLOW_CONTROLLER_PROPS_KEY, flowControllerSchemaFunction.apply(templateDTO).toMap());
    FlowSnippetDTO snippet = templateDTO.getSnippet();
    addSnippet(map, snippet);
    return new ConfigSchema(map);
}

Example 15 with FlowSnippetDTO

use of org.apache.nifi.web.api.dto.FlowSnippetDTO in project kylo by Teradata.

the class TemplateCreationHelper method instantiateFlowFromTemplate.

/**
 * Instantiates the specified template in the specified process group.
 *
 * <p>Controller services that are created under the specified process group will be moved to the root process group. This side-effect may be removed in the future.</p>
 *
 * @param processGroupId the process group id
 * @param templateId     the template id
 * @return the instantiated flow
 * @throws NifiComponentNotFoundException if the process group or template does not exist
 */
@Nonnull
public TemplateInstance instantiateFlowFromTemplate(@Nonnull final String processGroupId, @Nonnull final String templateId) throws NifiComponentNotFoundException {
    // Instantiate template
    final NiFiRestClient nifiClient = restClient.getNiFiRestClient();
    final FlowSnippetDTO templateFlow = nifiClient.processGroups().instantiateTemplate(processGroupId, templateId);
    TemplateInstance instance = new TemplateInstance(templateFlow);
    // Move controller services to root process group (NiFi >= v1.0)
    final Set<ControllerServiceDTO> groupControllerServices = nifiClient.processGroups().getControllerServices(processGroupId);
    final Map<String, String> idMap = new HashMap<>(groupControllerServices.size());
    groupControllerServices.stream().filter(controllerService -> controllerService.getParentGroupId().equals(processGroupId)).forEach(groupControllerService -> {
        // Delete scoped service
        final String oldId = groupControllerService.getId();
        nifiClient.controllerServices().delete(groupControllerService.getId());
        // Create root service
        final ControllerServiceDTO rootControllerService = new ControllerServiceDTO();
        rootControllerService.setComments(groupControllerService.getComments());
        rootControllerService.setName(groupControllerService.getName());
        rootControllerService.setType(groupControllerService.getType());
        ControllerServiceDTO newRootService = nifiClient.processGroups().createControllerService("root", rootControllerService);
        final String rootId = newRootService.getId();
        // Map old ID to new ID
        idMap.put(oldId, rootId);
        instance.movedScopedControllerService(groupControllerService, newRootService);
    });
    // Set properties on root controller services
    groupControllerServices.stream().filter(controllerService -> controllerService.getParentGroupId().equals(processGroupId)).forEach(groupControllerService -> {
        final Map<String, String> properties = groupControllerService.getProperties();
        groupControllerService.getDescriptors().values().stream().filter(descriptor -> StringUtils.isNotBlank(descriptor.getIdentifiesControllerService())).forEach(descriptor -> {
            final String name = descriptor.getName();
            final String oldId = properties.get(name);
            properties.put(name, idMap.get(oldId));
        });
        final ControllerServiceDTO rootControllerService = new ControllerServiceDTO();
        rootControllerService.setId(idMap.get(groupControllerService.getId()));
        rootControllerService.setProperties(properties);
        nifiClient.controllerServices().update(rootControllerService);
    });
    // Return flow
    return instance;
}