Examples with ConnectorPluginNiFiControllerServicePropertyDescriptor com.thinkbiganalytics.kylo.catalog.rest.model.ConnectorPluginNiFiControllerServicePropertyDescriptor used on opensource projects

Example 1 with ConnectorPluginNiFiControllerServicePropertyDescriptor

use of com.thinkbiganalytics.kylo.catalog.rest.model.ConnectorPluginNiFiControllerServicePropertyDescriptor in project kylo by Teradata.

the class DataSourceProvider method createOrUpdateNiFiControllerService.

/**
 * Creates or updates the NiFi controller service linked to the specified data source.
 */
private void createOrUpdateNiFiControllerService(@Nonnull final DataSource dataSource, @Nonnull final ConnectorPluginDescriptor connectorPluginDescriptor, boolean checkExisting) throws PotentialControllerServiceConflictException {
    ConnectorPluginNiFiControllerService plugin = connectorPluginDescriptor.getNifiControllerService();
    // Resolve properties
    final PropertyPlaceholderHelper.PlaceholderResolver resolver = new DataSourcePlaceholderResolver(dataSource);
    final Map<String, String> properties = new HashMap<>(plugin.getProperties().size());
    final Map<String, ConnectorPluginNiFiControllerServicePropertyDescriptor> propertyDescriptors = plugin.getPropertyDescriptors();
    plugin.getProperties().forEach((key, value) -> {
        final String resolvedValue = placeholderHelper.replacePlaceholders(value, resolver);
        // set empty string to null
        ConnectorPluginNiFiControllerServicePropertyDescriptor descriptor = propertyDescriptors != null ? propertyDescriptors.get(key) : null;
        if (StringUtils.isBlank(resolvedValue) && (descriptor == null || (descriptor != null && !descriptor.isEmptyStringIfNull()))) {
            // set the value to null if its not explicitly configured to be set to an empty string
            properties.put(key, null);
        } else if (resolvedValue != null && !resolvedValue.startsWith("{cipher}")) {
            properties.put(key, resolvedValue);
        }
    });
    // Update or create the controller service
    ControllerServiceDTO controllerService = null;
    if (dataSource.getNifiControllerServiceId() != null && dataSource.getId() != null) {
        controllerService = new ControllerServiceDTO();
        controllerService.setId(dataSource.getNifiControllerServiceId());
        controllerService.setName(dataSource.getTitle());
        controllerService.setProperties(properties);
        try {
            controllerService = nifiRestClient.controllerServices().updateServiceAndReferencingComponents(controllerService);
            dataSource.setNifiControllerServiceId(controllerService.getId());
        } catch (final NifiComponentNotFoundException e) {
            log.warn("Controller service is missing for data source: {}", dataSource.getId(), e);
            controllerService = null;
        }
    }
    if (controllerService == null && StringUtils.isBlank(dataSource.getNifiControllerServiceId())) {
        if (checkExisting) {
            List<ControllerServiceDTO> matchingServices = findMatchingControllerService(dataSource, properties, connectorPluginDescriptor);
            if (matchingServices != null && !matchingServices.isEmpty()) {
                Map<String, String> identityProperties = plugin.getIdentityProperties().stream().collect(Collectors.toMap(propertyKey -> propertyKey, propertyKey -> properties.get(propertyKey)));
                throw new PotentialControllerServiceConflictException(new ControllerServiceConflictEntity(dataSource.getTitle(), identityProperties, matchingServices));
            }
        }
        controllerService = new ControllerServiceDTO();
        controllerService.setType(plugin.getType());
        controllerService.setName(dataSource.getTitle());
        controllerService.setProperties(properties);
        controllerService = nifiRestClient.controllerServices().create(controllerService);
        try {
            nifiRestClient.controllerServices().updateStateById(controllerService.getId(), NiFiControllerServicesRestClient.State.ENABLED);
        } catch (final NifiClientRuntimeException e) {
            log.error("Failed to enable controller service for data source: {}", dataSource.getId(), e);
            nifiRestClient.controllerServices().disableAndDeleteAsync(controllerService.getId());
            throw e;
        }
        dataSource.setNifiControllerServiceId(controllerService.getId());
    }
}