Examples with ReusableTemplateConnectionInfo com.thinkbiganalytics.feedmgr.rest.model.ReusableTemplateConnectionInfo used on opensource projects

Example 11 with ReusableTemplateConnectionInfo

use of com.thinkbiganalytics.feedmgr.rest.model.ReusableTemplateConnectionInfo in project kylo by Teradata.

the class DefaultFeedManagerFeedService method createAndSaveFeed.

/**
 * Create/Update a Feed in NiFi. Save the metadata to Kylo meta store.
 *
 * @param feedMetadata the feed metadata
 * @return an object indicating if the feed creation was successful or not
 * @deprecated
 */
@Deprecated
private NifiFeed createAndSaveFeed(final FeedMetadata feedMetadata) {
    Stopwatch stopwatch = Stopwatch.createStarted();
    NifiFeed feed = null;
    feedMetadata.setIsNew(StringUtils.isBlank(feedMetadata.getId()));
    metadataAccess.read(() -> {
        if (feedMetadata.isNew()) {
            // ensure the user has rights to create feeds under the category by checking if it is visible (has read access)
            Category domainCategory = categoryProvider.findById(categoryProvider.resolveId(feedMetadata.getCategory().getId()));
            if (domainCategory == null) {
                // throw exception
                throw new MetadataRepositoryException("Unable to find the category " + feedMetadata.getCategory().getSystemName());
            }
            accessController.checkPermission(domainCategory, CategoryAccessControl.CREATE_FEED);
            // ensure the user has rights to create feeds using the template by checking if it is visible.
            FeedManagerTemplate domainTemplate = templateProvider.findById(templateProvider.resolveId(feedMetadata.getTemplateId()));
            if (domainTemplate == null) {
                throw new MetadataRepositoryException("Unable to find the template " + feedMetadata.getTemplateId());
            }
        // accessController.checkPermission(domainTemplate, TemplateAccessControl.CREATE_FEED);
        } else {
            // perform explict entity access check here as we dont want to modify the NiFi flow unless user has access to edit the feed
            Feed.ID domainId = feedProvider.resolveId(feedMetadata.getId());
            Feed domainFeed = feedProvider.findById(domainId);
            if (domainFeed != null) {
                accessController.checkPermission(domainFeed, FeedAccessControl.EDIT_DETAILS);
            } else {
                throw new NotFoundException("Feed not found for id " + feedMetadata.getId());
            }
        }
    });
    FeedMetadata feedToSave = feedMetadata;
    if (!feedToSave.isNew()) {
        // create a new version if this is not a new feed
        feedToSave = saveDraftFeed(feedToSave);
    }
    // replace expressions with values
    if (feedToSave.getTable() != null) {
        feedToSave.getTable().updateMetadataFieldValues();
    }
    if (feedToSave.getProperties() == null) {
        feedToSave.setProperties(new ArrayList<NifiProperty>());
    }
    FeedMetadata.STATE state = FeedMetadata.STATE.NEW;
    try {
        state = FeedMetadata.STATE.valueOf(feedToSave.getState());
    } catch (Exception e) {
    // if the string isnt valid, disregard as it will end up disabling the feed.
    }
    boolean enabled = (FeedMetadata.STATE.NEW.equals(state) && feedToSave.isActive()) || FeedMetadata.STATE.ENABLED.equals(state);
    // store ref to the originalFeedProperties before resolving and merging with the template
    List<NifiProperty> originalFeedProperties = feedToSave.getProperties();
    // get all the properties for the metadata
    RegisteredTemplate registeredTemplate = registeredTemplateService.findRegisteredTemplate(new RegisteredTemplateRequest.Builder().templateId(feedToSave.getTemplateId()).templateName(feedToSave.getTemplateName()).isFeedEdit(true).includeSensitiveProperties(true).build());
    // copy the registered template properties it a new list so it doest get updated
    List<NifiProperty> templateProperties = registeredTemplate.getProperties().stream().map(nifiProperty -> new NifiProperty(nifiProperty)).collect(Collectors.toList());
    // update the template properties with the feedToSave properties
    NifiPropertyUtil.matchAndSetPropertyByProcessorName(templateProperties, feedToSave.getProperties(), NifiPropertyUtil.PropertyUpdateMode.UPDATE_ALL_PROPERTIES);
    registeredTemplate.setProperties(templateProperties);
    feedToSave.setProperties(registeredTemplate.getProperties());
    feedToSave.setRegisteredTemplate(registeredTemplate);
    // skip any properties that the user supplied which are not ${ values
    List<NifiProperty> propertiesToSkip = originalFeedProperties.stream().filter(property -> !propertyExpressionResolver.containsVariablesPatterns(property.getValue())).collect(Collectors.toList());
    List<NifiProperty> templatePropertiesToSkip = registeredTemplate.getProperties().stream().filter(property -> property.isSelected() && !propertyExpressionResolver.containsVariablesPatterns(property.getValue())).collect(Collectors.toList());
    if (templatePropertiesToSkip != null && !templatePropertiesToSkip.isEmpty()) {
        propertiesToSkip.addAll(templatePropertiesToSkip);
    }
    // resolve any ${metadata.} properties
    List<NifiProperty> resolvedProperties = propertyExpressionResolver.resolvePropertyExpressions(feedToSave, propertiesToSkip);
    // decrypt the metadata
    feedModelTransform.decryptSensitivePropertyValues(feedToSave);
    // flag to indicate to enable the feed later
    // if this is the first time for this feed and it is set to be enabled, mark it to be enabled after we commit to the JCR store
    boolean enableLater = false;
    if (enabled && feedToSave.isNew()) {
        enableLater = true;
        enabled = false;
        feedToSave.setState(FeedMetadata.STATE.DISABLED.name());
    }
    CreateFeedBuilder feedBuilder = CreateFeedBuilder.newFeed(nifiRestClient, nifiFlowCache, feedToSave, registeredTemplate.getNifiTemplateId(), propertyExpressionResolver, propertyDescriptorTransform, niFiObjectCache, templateConnectionUtil).enabled(enabled).setOriginalFeedProperties(originalFeedProperties).removeInactiveVersionedProcessGroup(removeInactiveNifiVersionedFeedFlows).autoAlign(nifiAutoFeedsAlignAfterSave).withNiFiTemplateCache(niFiTemplateCache);
    if (registeredTemplate.isReusableTemplate()) {
        feedBuilder.setReusableTemplate(true);
        feedToSave.setIsReusableFeed(true);
    } else {
        feedBuilder.inputProcessorType(feedToSave.getInputProcessorType()).feedSchedule(feedToSave.getSchedule()).properties(feedToSave.getProperties());
        if (registeredTemplate.usesReusableTemplate()) {
            for (ReusableTemplateConnectionInfo connection : registeredTemplate.getReusableTemplateConnections()) {
                feedBuilder.addInputOutputPort(new InputOutputPort(connection.getReusableTemplateInputPortName(), connection.getFeedOutputPortName()));
            }
        }
    }
    stopwatch.stop();
    log.debug("Time to prepare data for saving feed in NiFi: {} ms", stopwatch.elapsed(TimeUnit.MILLISECONDS));
    stopwatch.reset();
    stopwatch.start();
    NifiProcessGroup entity = feedBuilder.build();
    stopwatch.stop();
    log.debug("Time to save feed in NiFi: {} ms", stopwatch.elapsed(TimeUnit.MILLISECONDS));
    stopwatch.reset();
    feed = new NifiFeed(feedToSave, entity);
    // set the original feedProperties back to the feed
    feedToSave.setProperties(originalFeedProperties);
    // encrypt the metadata properties
    feedModelTransform.encryptSensitivePropertyValues(feedToSave);
    if (entity.isSuccess()) {
        feedToSave.setNifiProcessGroupId(entity.getProcessGroupEntity().getId());
        try {
            stopwatch.start();
            saveFeed(feedToSave);
            // tell NiFi if this is a streaming feed or not
            if (feedToSave.getRegisteredTemplate().isStream()) {
                streamingFeedJmsNotificationService.updateNiFiStatusJMSTopic(entity, feedToSave);
            }
            feed.setEnableAfterSave(enableLater);
            feed.setSuccess(true);
            stopwatch.stop();
            log.debug("Time to saveFeed in Kylo: {} ms", stopwatch.elapsed(TimeUnit.MILLISECONDS));
            stopwatch.reset();
            stopwatch.start();
            feedBuilder.checkAndRemoveVersionedProcessGroup();
        } catch (Exception e) {
            feed.setSuccess(false);
            feed.addErrorMessage(e);
        }
    } else {
        feed.setSuccess(false);
    }
    if (!feed.isSuccess()) {
        if (!entity.isRolledBack()) {
            try {
                feedBuilder.rollback();
            } catch (FeedRollbackException rollbackException) {
                log.error("Error rolling back feed {}. {} ", feedToSave.getCategoryAndFeedName(), rollbackException.getMessage());
                feed.addErrorMessage("Error occurred in rolling back the Feed.");
            }
            entity.setRolledBack(true);
        }
    }
    return feed;
}