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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.onap.ccsdk.config.assignment.service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.onap.ccsdk.config.assignment.ConfigAssignmentConstants;
import org.onap.ccsdk.config.assignment.data.ResourceAssignmentData;
import org.onap.ccsdk.config.assignment.processor.ProcessorFactory;
import org.onap.ccsdk.config.assignment.processor.ResourceAssignmentProcessor;
import org.onap.ccsdk.config.data.adaptor.service.ConfigResourceService;
import org.onap.ccsdk.config.generator.service.ConfigGeneratorService;
import org.onap.ccsdk.config.model.ConfigModelConstant;
import org.onap.ccsdk.config.model.data.ResourceAssignment;
import org.onap.ccsdk.config.model.data.dict.ResourceDefinition;
import org.onap.ccsdk.config.model.service.ComponentNode;
import org.onap.ccsdk.config.model.service.ComponentNodeService;
import org.onap.ccsdk.config.model.service.ConfigModelService;
import org.onap.ccsdk.config.model.utils.ResourceAssignmentUtils;
import org.onap.ccsdk.config.model.utils.TransformationUtils;
import org.onap.ccsdk.config.rest.adaptor.service.ConfigRestAdaptorService;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class ConfigAssignmentProcessService {
private static EELFLogger logger = EELFManager.getInstance().getLogger(ConfigAssignmentProcessService.class);
private ComponentNodeService componentNodeService;
private ConfigResourceService configResourceService;
private ConfigModelService configModelService;
private ConfigRestAdaptorService configRestAdaptorService;
private ConfigGeneratorService configGeneratorService;
public ConfigAssignmentProcessService(ConfigResourceService configResourceService,
ConfigRestAdaptorService configRestAdaptorService, ConfigModelService configModelService,
ComponentNodeService componentNodeService, ConfigGeneratorService configGeneratorService) {
this.componentNodeService = componentNodeService;
this.configResourceService = configResourceService;
this.configModelService = configModelService;
this.configRestAdaptorService = configRestAdaptorService;
this.configGeneratorService = configGeneratorService;
}
@SuppressWarnings("squid:S1141")
public void resolveResources(ResourceAssignmentData resourceAssignmentData) throws SvcLogicException {
try {
validateInputParams(resourceAssignmentData);
String serviceTemplateName = resourceAssignmentData.getServiceTemplateName();
String serviceTemplateVersion = resourceAssignmentData.getServiceTemplateVersion();
String actionName = resourceAssignmentData.getActionName();
String inputData = resourceAssignmentData.getInputData();
SvcLogicContext svcLogicContext = resourceAssignmentData.getSvcLogicContext();
List<String> templateNames = resourceAssignmentData.getTemplateNames();
if (resourceAssignmentData.isReloadModel()) {
Map<String, String> context = new HashMap<>();
context.put(ConfigModelConstant.PROPERTY_ACTION_NAME, actionName);
context = configModelService.prepareContext(context, inputData, serviceTemplateName,
serviceTemplateVersion);
context.forEach((key, value) -> svcLogicContext.setAttribute(key, value));
logger.info("List of Resources provided in input: {}", svcLogicContext.toProperties());
}
Map<String, Object> componentContext = resourceAssignmentData.getContext();
if (CollectionUtils.isNotEmpty(templateNames)) {
// Get the Resource Assignments for templates and Validate the mappings
ResourceModelService resourceModelService = new ResourceModelService(configModelService);
// Get the Resource Assignment
Map<String, List<ResourceAssignment>> templatesResourceAssignments =
resourceModelService.getTemplatesResourceAssignments(svcLogicContext, templateNames);
// Get the Template Contents
Map<String, String> templatesContents =
resourceModelService.getTemplatesContents(svcLogicContext, templateNames);
// Process each template
for (String templateName : templateNames) {
List<ResourceAssignment> resourceAssignments = templatesResourceAssignments.get(templateName);
String templateContent = templatesContents.get(templateName);
if (resourceAssignments != null) {
String templateData = null;
try {
// Populate the Dictionary
ResourceDictionaryService resourceDictionaryService =
new ResourceDictionaryService(configRestAdaptorService);
Map<String, ResourceDefinition> dictionaries =
resourceDictionaryService.getDataDictionaryDefinitions(resourceAssignments);
processResourceAssignments(resourceAssignmentData, svcLogicContext, componentContext,
templateName, resourceAssignments, dictionaries);
logger.info("decrypting config data for templateName {}", templateName);
templateData =
ResourceAssignmentUtils.generateResourceDataForAssignments(resourceAssignments);
} finally {
saveResourceMapping(resourceAssignmentData, templateName, resourceAssignments);
}
logger.info("generating config preview for templateName {}", templateName);
ConfigPreviewService configPreviewService = new ConfigPreviewService(configResourceService,
configModelService, configGeneratorService);
String mashedData = configPreviewService.generatePreview(templateContent, templateData);
resourceAssignmentData.getTemplatesMashedContents().put(templateName, mashedData);
resourceAssignmentData.getTemplatesData().put(templateName, templateData);
} else {
// Do nothing for Mapping not found
logger.warn("No resource Assignment mappings to resolve for templateName {}", templateName);
}
}
}
} catch (Exception e) {
throw new SvcLogicException(e.getMessage(), e);
}
}
private void processResourceAssignments(ResourceAssignmentData resourceAssignmentData, SvcLogicContext ctx,
Map<String, Object> componentContext, String templateName, List<ResourceAssignment> resourceAssignments,
Map<String, ResourceDefinition> dictionaries) throws SvcLogicException {
String recipeName = resourceAssignmentData.getActionName();
ResourceAssignmentProcessor resourceAssignmentProcessor =
new ResourceAssignmentProcessor(resourceAssignments, ctx);
List<List<ResourceAssignment>> sequenceBatchResourceAssignment = resourceAssignmentProcessor.process();
logger.debug("Resource dictionary Info ({})", dictionaries);
if (sequenceBatchResourceAssignment != null) {
componentContext.put(ConfigModelConstant.PROPERTY_ACTION_NAME, recipeName);
componentContext.put(ConfigModelConstant.PROPERTY_TEMPLATE_NAME, templateName);
componentContext.put(ConfigModelConstant.PROPERTY_DICTIONARIES, dictionaries);
for (List<ResourceAssignment> batchResourceAssignment : sequenceBatchResourceAssignment) {
processBatchResourceAssignments(resourceAssignmentData, ctx, componentContext, batchResourceAssignment);
logger.debug("Batch Resource data status ({})", TransformationUtils.getJson(batchResourceAssignment));
}
}
}
private void processBatchResourceAssignments(ResourceAssignmentData resourceAssignmentData, SvcLogicContext ctx,
Map<String, Object> componentContext, List<ResourceAssignment> batchResourceAssignment)
throws SvcLogicException {
if (CollectionUtils.isNotEmpty(batchResourceAssignment)) {
ResourceAssignment batchFirstResourceAssignment = batchResourceAssignment.get(0);
if (batchFirstResourceAssignment != null
&& StringUtils.isNotBlank(batchFirstResourceAssignment.getDictionarySource())) {
String source = batchFirstResourceAssignment.getDictionarySource();
// Processing their Source
logger.info("Processing source ({}) with batch ({}) ", source, batchResourceAssignment);
componentContext.put(ConfigModelConstant.PROPERTY_RESOURCE_ASSIGNMENTS, batchResourceAssignment);
ProcessorFactory factory =
new ProcessorFactory(configResourceService, configRestAdaptorService, componentNodeService);
ComponentNode processor = factory.getInstance(source);
Map<String, String> inParams = new HashMap<>();
inParams.put(ConfigAssignmentConstants.INPUT_PARAM_REQUEST_ID, resourceAssignmentData.getRequestId());
inParams.put(ConfigAssignmentConstants.INPUT_PARAM_RESOURCE_ID, resourceAssignmentData.getResourceId());
inParams.put(ConfigAssignmentConstants.INPUT_PARAM_RESOURCE_TYPE,
resourceAssignmentData.getResourceType());
inParams.put(ConfigAssignmentConstants.INPUT_PARAM_ACTION_NAME, resourceAssignmentData.getActionName());
inParams.put(ConfigAssignmentConstants.INPUT_PARAM_TEMPLATE_NAMES,
resourceAssignmentData.getTemplateNames().toString());
processor.process(inParams, ctx, componentContext);
}
}
}
private void saveResourceMapping(ResourceAssignmentData resourceAssignmentData, String templateName,
List<ResourceAssignment> resourceAssignments) throws SvcLogicException {
if (resourceAssignmentData != null && StringUtils.isNotBlank(templateName)) {
ConfigAssignmentPersistService configAssignmentPersistService =
new ConfigAssignmentPersistService(configResourceService);
configAssignmentPersistService.saveResourceMapping(resourceAssignmentData, templateName,
resourceAssignments);
}
}
private void validateInputParams(ResourceAssignmentData resourceAssignmentData) throws SvcLogicException {
if (resourceAssignmentData == null) {
throw new SvcLogicException("Input parameters missing");
}
String requestId = resourceAssignmentData.getRequestId();
if (StringUtils.isBlank(requestId)) {
throw new SvcLogicException("Request id parameters missing");
}
String resourceId = resourceAssignmentData.getResourceId();
if (StringUtils.isBlank(resourceId)) {
throw new SvcLogicException("Resource id parameter is missing");
}
String resourceType = resourceAssignmentData.getResourceType();
if (StringUtils.isBlank(resourceType)) {
throw new SvcLogicException("Resource type parameter is missing");
}
String actionName = resourceAssignmentData.getActionName();
if (StringUtils.isBlank(actionName)) {
throw new SvcLogicException("Action name is parameter is missing");
}
List<String> templatesNames = resourceAssignmentData.getTemplateNames();
if (CollectionUtils.isEmpty(templatesNames)) {
throw new SvcLogicException("Template names parameter missing");
}
}
}
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