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

Example 61 with ControllerServiceNode

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

the class StandardProcessGroup method removeControllerService.

@Override
public void removeControllerService(final ControllerServiceNode service) {
    boolean removed = false;
    writeLock.lock();
    try {
        final ControllerServiceNode existing = controllerServices.get(requireNonNull(service).getIdentifier());
        if (existing == null) {
            throw new IllegalStateException("ControllerService " + service.getIdentifier() + " is not a member of this Process Group");
        }
        service.verifyCanDelete();
        try (final NarCloseable x = NarCloseable.withComponentNarLoader(service.getControllerServiceImplementation().getClass(), service.getIdentifier())) {
            final ConfigurationContext configurationContext = new StandardConfigurationContext(service, controllerServiceProvider, null, variableRegistry);
            ReflectionUtils.quietlyInvokeMethodsWithAnnotation(OnRemoved.class, service.getControllerServiceImplementation(), configurationContext);
        }
        for (final Map.Entry<PropertyDescriptor, String> entry : service.getProperties().entrySet()) {
            final PropertyDescriptor descriptor = entry.getKey();
            if (descriptor.getControllerServiceDefinition() != null) {
                final String value = entry.getValue() == null ? descriptor.getDefaultValue() : entry.getValue();
                if (value != null) {
                    final ControllerServiceNode referencedNode = getControllerService(value);
                    if (referencedNode != null) {
                        referencedNode.removeReference(service);
                    }
                }
            }
        }
        controllerServices.remove(service.getIdentifier());
        onComponentModified();
        // For any component that references this Controller Service, find the component's Process Group
        // and notify the Process Group that a component has been modified. This way, we know to re-calculate
        // whether or not the Process Group has local modifications.
        service.getReferences().getReferencingComponents().stream().map(ConfiguredComponent::getProcessGroupIdentifier).filter(id -> !id.equals(getIdentifier())).forEach(groupId -> {
            final ProcessGroup descendant = findProcessGroup(groupId);
            if (descendant != null) {
                descendant.onComponentModified();
            }
        });
        flowController.getStateManagerProvider().onComponentRemoved(service.getIdentifier());
        removed = true;
        LOG.info("{} removed from {}", service, this);
    } finally {
        if (removed) {
            try {
                ExtensionManager.removeInstanceClassLoader(service.getIdentifier());
            } catch (Throwable t) {
            }
        }
        writeLock.unlock();
    }
}

Example 62 with ControllerServiceNode

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

the class StandardProcessGroup method removeProcessor.

@Override
public void removeProcessor(final ProcessorNode processor) {
    boolean removed = false;
    final String id = requireNonNull(processor).getIdentifier();
    writeLock.lock();
    try {
        if (!processors.containsKey(id)) {
            throw new IllegalStateException(processor.getIdentifier() + " is not a member of this Process Group");
        }
        processor.verifyCanDelete();
        for (final Connection conn : processor.getConnections()) {
            conn.verifyCanDelete();
        }
        try (final NarCloseable x = NarCloseable.withComponentNarLoader(processor.getProcessor().getClass(), processor.getIdentifier())) {
            final StandardProcessContext processContext = new StandardProcessContext(processor, controllerServiceProvider, encryptor, getStateManager(processor.getIdentifier()), () -> false);
            ReflectionUtils.quietlyInvokeMethodsWithAnnotation(OnRemoved.class, processor.getProcessor(), processContext);
        } catch (final Exception e) {
            throw new ComponentLifeCycleException("Failed to invoke 'OnRemoved' methods of processor with id " + processor.getIdentifier(), e);
        }
        for (final Map.Entry<PropertyDescriptor, String> entry : processor.getProperties().entrySet()) {
            final PropertyDescriptor descriptor = entry.getKey();
            if (descriptor.getControllerServiceDefinition() != null) {
                final String value = entry.getValue() == null ? descriptor.getDefaultValue() : entry.getValue();
                if (value != null) {
                    final ControllerServiceNode serviceNode = controllerServiceProvider.getControllerServiceNode(value);
                    if (serviceNode != null) {
                        serviceNode.removeReference(processor);
                    }
                }
            }
        }
        processors.remove(id);
        onComponentModified();
        flowController.onProcessorRemoved(processor);
        LogRepositoryFactory.getRepository(processor.getIdentifier()).removeAllObservers();
        final StateManagerProvider stateManagerProvider = flowController.getStateManagerProvider();
        scheduler.submitFrameworkTask(new Runnable() {

            @Override
            public void run() {
                stateManagerProvider.onComponentRemoved(processor.getIdentifier());
            }
        });
        // must copy to avoid a concurrent modification
        final Set<Connection> copy = new HashSet<>(processor.getConnections());
        for (final Connection conn : copy) {
            removeConnection(conn);
        }
        removed = true;
        LOG.info("{} removed from flow", processor);
    } finally {
        if (removed) {
            try {
                ExtensionManager.removeInstanceClassLoader(id);
            } catch (Throwable t) {
            }
        }
        writeLock.unlock();
    }
}

Example 63 with ControllerServiceNode

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

the class StandardSchedulingContext method leaseControllerService.

@Override
public void leaseControllerService(final String identifier) {
    final ControllerServiceNode serviceNode = serviceProvider.getControllerServiceNode(identifier);
    if (serviceNode == null) {
        throw new IllegalArgumentException("Cannot lease Controller Service because no Controller Service exists with identifier " + identifier);
    }
    if (serviceNode.getState() != ControllerServiceState.ENABLED) {
        throw new IllegalStateException("Cannot lease Controller Service because Controller Service " + serviceNode.getProxiedControllerService().getIdentifier() + " is not currently enabled");
    }
    if (!serviceNode.isValid()) {
        throw new IllegalStateException("Cannot lease Controller Service because Controller Service " + serviceNode.getProxiedControllerService().getIdentifier() + " is not currently valid");
    }
    serviceNode.addReference(processorNode);
}

Example 64 with ControllerServiceNode

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

the class StandardFlowSerializer method addProcessGroup.

private void addProcessGroup(final Element parentElement, final ProcessGroup group, final String elementName, final ScheduledStateLookup scheduledStateLookup) {
    final Document doc = parentElement.getOwnerDocument();
    final Element element = doc.createElement(elementName);
    parentElement.appendChild(element);
    addTextElement(element, "id", group.getIdentifier());
    addTextElement(element, "versionedComponentId", group.getVersionedComponentId());
    addTextElement(element, "name", group.getName());
    addPosition(element, group.getPosition());
    addTextElement(element, "comment", group.getComments());
    final VersionControlInformation versionControlInfo = group.getVersionControlInformation();
    if (versionControlInfo != null) {
        final Element versionControlInfoElement = doc.createElement("versionControlInformation");
        addTextElement(versionControlInfoElement, "registryId", versionControlInfo.getRegistryIdentifier());
        addTextElement(versionControlInfoElement, "bucketId", versionControlInfo.getBucketIdentifier());
        addTextElement(versionControlInfoElement, "bucketName", versionControlInfo.getBucketName());
        addTextElement(versionControlInfoElement, "flowId", versionControlInfo.getFlowIdentifier());
        addTextElement(versionControlInfoElement, "flowName", versionControlInfo.getFlowName());
        addTextElement(versionControlInfoElement, "flowDescription", versionControlInfo.getFlowDescription());
        addTextElement(versionControlInfoElement, "version", versionControlInfo.getVersion());
        element.appendChild(versionControlInfoElement);
    }
    for (final ProcessorNode processor : group.getProcessors()) {
        addProcessor(element, processor, scheduledStateLookup);
    }
    if (group.isRootGroup()) {
        for (final Port port : group.getInputPorts()) {
            addRootGroupPort(element, (RootGroupPort) port, "inputPort", scheduledStateLookup);
        }
        for (final Port port : group.getOutputPorts()) {
            addRootGroupPort(element, (RootGroupPort) port, "outputPort", scheduledStateLookup);
        }
    } else {
        for (final Port port : group.getInputPorts()) {
            addPort(element, port, "inputPort", scheduledStateLookup);
        }
        for (final Port port : group.getOutputPorts()) {
            addPort(element, port, "outputPort", scheduledStateLookup);
        }
    }
    for (final Label label : group.getLabels()) {
        addLabel(element, label);
    }
    for (final Funnel funnel : group.getFunnels()) {
        addFunnel(element, funnel);
    }
    for (final ProcessGroup childGroup : group.getProcessGroups()) {
        addProcessGroup(element, childGroup, "processGroup", scheduledStateLookup);
    }
    for (final RemoteProcessGroup remoteRef : group.getRemoteProcessGroups()) {
        addRemoteProcessGroup(element, remoteRef, scheduledStateLookup);
    }
    for (final Connection connection : group.getConnections()) {
        addConnection(element, connection);
    }
    for (final ControllerServiceNode service : group.getControllerServices(false)) {
        addControllerService(element, service);
    }
    for (final Template template : group.getTemplates()) {
        addTemplate(element, template);
    }
    final VariableRegistry variableRegistry = group.getVariableRegistry();
    for (final Map.Entry<VariableDescriptor, String> entry : variableRegistry.getVariableMap().entrySet()) {
        addVariable(element, entry.getKey().getName(), entry.getValue());
    }
}

Example 65 with ControllerServiceNode

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

the class ControllerServiceAuditor method removeControllerServiceAdvice.

/**
 * Audits the removal of a controller service via deleteControllerService().
 *
 * @param proceedingJoinPoint join point
 * @param controllerServiceId id
 * @param controllerServiceDAO dao
 * @throws Throwable ex
 */
@Around("within(org.apache.nifi.web.dao.ControllerServiceDAO+) && " + "execution(void deleteControllerService(java.lang.String)) && " + "args(controllerServiceId) && " + "target(controllerServiceDAO)")
public void removeControllerServiceAdvice(ProceedingJoinPoint proceedingJoinPoint, String controllerServiceId, ControllerServiceDAO controllerServiceDAO) throws Throwable {
    // get the controller service before removing it
    ControllerServiceNode controllerService = controllerServiceDAO.getControllerService(controllerServiceId);
    // remove the controller service
    proceedingJoinPoint.proceed();
    // if no exceptions were thrown, add removal actions...
    // audit the controller service removal
    final Action action = generateAuditRecord(controllerService, Operation.Remove);
    // save the actions
    if (action != null) {
        saveAction(action, logger);
    }
}