catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.tosca;
  22
  23 import com.fasterxml.jackson.databind.ObjectMapper;
  24 import com.fasterxml.jackson.databind.SerializationFeature;
  25 import fj.data.Either;
  26 import org.apache.commons.collections.CollectionUtils;
  27 import org.apache.commons.collections.MapUtils;
  28 import org.apache.commons.lang.StringUtils;
  29 import org.apache.commons.lang3.tuple.ImmutablePair;
  30 import org.apache.commons.lang3.tuple.ImmutableTriple;
  31 import org.apache.commons.lang3.tuple.Triple;
  32 import org.openecomp.sdc.be.components.impl.exceptions.SdcResourceNotFoundException;
  33 import org.openecomp.sdc.be.config.ConfigurationManager;
  34 import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
  35 import org.openecomp.sdc.be.datatypes.components.ResourceMetadataDataDefinition;
  36 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  37 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  38 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
  39 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
  40 import org.openecomp.sdc.be.model.*;
  41 import org.openecomp.sdc.be.model.cache.ApplicationDataTypeCache;
  42 import org.openecomp.sdc.be.model.category.CategoryDefinition;
  43 import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
  44 import org.openecomp.sdc.be.model.jsontitan.utils.ModelConverter;
  45 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
  46 import org.openecomp.sdc.be.model.operations.impl.InterfaceLifecycleOperation;
  47 import org.openecomp.sdc.be.model.tosca.converters.ToscaValueBaseConverter;
  48 import org.openecomp.sdc.be.tosca.model.*;
  49 import org.openecomp.sdc.be.tosca.utils.ForwardingPathToscaUtil;
  50 import org.openecomp.sdc.be.tosca.utils.InputConverter;
  51 import org.openecomp.sdc.be.tosca.utils.InterfacesOperationsToscaUtil;
  52 import org.openecomp.sdc.common.log.wrappers.Logger;
  53 import org.openecomp.sdc.externalupload.utils.ServiceUtils;
  54 import org.springframework.beans.factory.annotation.Autowired;
  55 import org.yaml.snakeyaml.DumperOptions;
  56 import org.yaml.snakeyaml.DumperOptions.FlowStyle;
  57 import org.yaml.snakeyaml.Yaml;
  58 import org.yaml.snakeyaml.introspector.BeanAccess;
  59 import org.yaml.snakeyaml.introspector.Property;
  60 import org.yaml.snakeyaml.introspector.PropertyUtils;
  61 import org.yaml.snakeyaml.nodes.MappingNode;
  62 import org.yaml.snakeyaml.nodes.Node;
  63 import org.yaml.snakeyaml.nodes.NodeTuple;
  64 import org.yaml.snakeyaml.nodes.Tag;
  65 import org.yaml.snakeyaml.representer.Represent;
  66 import org.yaml.snakeyaml.representer.Representer;
  67
  68 import java.beans.IntrospectionException;
  69 import java.util.*;
  70 import java.util.Map.Entry;
  71 import java.util.function.Supplier;
  72 import java.util.stream.Collectors;
  73
  74 import static org.apache.commons.collections.CollectionUtils.isEmpty;
  75 import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
  76 import static org.apache.commons.collections.MapUtils.isNotEmpty;
  77 import static org.apache.commons.lang.StringUtils.isNotEmpty;
  78 import static org.openecomp.sdc.be.tosca.utils.InterfacesOperationsToscaUtil.addInterfaceDefinitionElement;
  79 import static org.openecomp.sdc.be.tosca.utils.InterfacesOperationsToscaUtil.addInterfaceTypeElement;
  80
  81 @org.springframework.stereotype.Component("tosca-export-handler")
  82 public class ToscaExportHandler {
  83
  84     private ApplicationDataTypeCache dataTypeCache;
  85     private ToscaOperationFacade toscaOperationFacade;
  86     private CapabilityRequirementConverter capabilityRequirementConverter;
  87     private PolicyExportParser policyExportParser;
  88     private GroupExportParser groupExportParser;
  89     private PropertyConvertor propertyConvertor;
  90     private InputConverter inputConverter;
  91     private InterfaceLifecycleOperation interfaceLifecycleOperation;
  92
  93     @Autowired
  94     public ToscaExportHandler(ApplicationDataTypeCache dataTypeCache, ToscaOperationFacade toscaOperationFacade,
  95             CapabilityRequirementConverter capabilityRequirementConverter, PolicyExportParser policyExportParser,
  96             GroupExportParser groupExportParser, InputConverter inputConverter, InterfaceLifecycleOperation interfaceLifecycleOperation) {
  97         this.dataTypeCache = dataTypeCache;
  98         this.toscaOperationFacade = toscaOperationFacade;
  99         this.capabilityRequirementConverter = capabilityRequirementConverter;
 100         this.policyExportParser = policyExportParser;
 101         this.groupExportParser = groupExportParser;
 102         this.propertyConvertor = PropertyConvertor.getInstance();
 103         this.inputConverter =  inputConverter;
 104         this.interfaceLifecycleOperation = interfaceLifecycleOperation;
 105     }
 106
 107
 108     private static final Logger log = Logger.getLogger(ToscaExportHandler.class);
 109
 110     private static final String TOSCA_VERSION = "tosca_simple_yaml_1_1";
 111     private static final String SERVICE_NODE_TYPE_PREFIX = "org.openecomp.service.";
 112     private static final String IMPORTS_FILE_KEY = "file";
 113     private static final String TOSCA_INTERFACE_NAME = "-interface.yml";
 114     public static final String ASSET_TOSCA_TEMPLATE = "assettoscatemplate";
 115     private static final String FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION = "convertToToscaTemplate - failed to get Default Imports section from configuration";
 116     private static final String NOT_SUPPORTED_COMPONENT_TYPE = "Not supported component type {}";
 117     private static final List<Map<String, Map<String, String>>> DEFAULT_IMPORTS = ConfigurationManager
 118                                                                                           .getConfigurationManager().getConfiguration().getDefaultImports();
 119
 120     public ToscaExportHandler(){}
 121
 122     public Either<ToscaRepresentation, ToscaError> exportComponent(Component component) {
 123
 124         Either<ToscaTemplate, ToscaError> toscaTemplateRes = convertToToscaTemplate(component);
 125         if (toscaTemplateRes.isRight()) {
 126             return Either.right(toscaTemplateRes.right().value());
 127         }
 128
 129         ToscaTemplate toscaTemplate = toscaTemplateRes.left().value();
 130         ToscaRepresentation toscaRepresentation = this.createToscaRepresentation(toscaTemplate);
 131         return Either.left(toscaRepresentation);
 132     }
 133
 134     public Either<ToscaRepresentation, ToscaError> exportComponentInterface(Component component,
 135             boolean isAssociatedResourceComponent) {
 136         if (null == DEFAULT_IMPORTS) {
 137             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 138             return Either.right(ToscaError.GENERAL_ERROR);
 139         }
 140
 141         ToscaTemplate toscaTemplate = new ToscaTemplate(TOSCA_VERSION);
 142         toscaTemplate.setImports(new ArrayList<>(DEFAULT_IMPORTS));
 143         Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 144         Either<ToscaTemplate, ToscaError> toscaTemplateRes = convertInterfaceNodeType(new HashMap<>(), component,
 145                 toscaTemplate, nodeTypes, isAssociatedResourceComponent);
 146         if (toscaTemplateRes.isRight()) {
 147             return Either.right(toscaTemplateRes.right().value());
 148         }
 149
 150         toscaTemplate = toscaTemplateRes.left().value();
 151         ToscaRepresentation toscaRepresentation = this.createToscaRepresentation(toscaTemplate);
 152         return Either.left(toscaRepresentation);
 153     }
 154
 155     public ToscaRepresentation createToscaRepresentation(ToscaTemplate toscaTemplate) {
 156         CustomRepresenter representer = new CustomRepresenter();
 157         DumperOptions options = new DumperOptions();
 158         options.setAllowReadOnlyProperties(false);
 159         options.setPrettyFlow(true);
 160
 161         options.setDefaultFlowStyle(FlowStyle.FLOW);
 162         options.setCanonical(false);
 163
 164         representer.addClassTag(toscaTemplate.getClass(), Tag.MAP);
 165
 166         representer.setPropertyUtils(new UnsortedPropertyUtils());
 167         Yaml yaml = new Yaml(representer, options);
 168
 169         String yamlAsString = yaml.dumpAsMap(toscaTemplate);
 170
 171         StringBuilder sb = new StringBuilder();
 172         sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactHeader());
 173         sb.append(yamlAsString);
 174         sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactFooter());
 175
 176         ToscaRepresentation toscaRepresentation = new ToscaRepresentation();
 177         toscaRepresentation.setMainYaml(sb.toString());
 178         toscaRepresentation.setDependencies(toscaTemplate.getDependencies());
 179
 180         return toscaRepresentation;
 181     }
 182
 183     public Either<ToscaTemplate, ToscaError> getDependencies(Component component) {
 184         ToscaTemplate toscaTemplate = new ToscaTemplate(null);
 185         Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports = fillImports(component,
 186                 toscaTemplate);
 187         if (fillImports.isRight()) {
 188             return Either.right(fillImports.right().value());
 189         }
 190         return Either.left(fillImports.left().value().left);
 191     }
 192
 193     private Either<ToscaTemplate, ToscaError> convertToToscaTemplate(Component component) {
 194         if (null == DEFAULT_IMPORTS) {
 195             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 196             return Either.right(ToscaError.GENERAL_ERROR);
 197         }
 198
 199         log.trace("start tosca export for {}", component.getUniqueId());
 200         ToscaTemplate toscaTemplate = new ToscaTemplate(TOSCA_VERSION);
 201
 202         toscaTemplate.setMetadata(convertMetadata(component));
 203         toscaTemplate.setImports(new ArrayList<>(DEFAULT_IMPORTS));
 204         Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 205         if (ModelConverter.isAtomicComponent(component)) {
 206             log.trace("convert component as node type");
 207             return convertNodeType(new HashMap<>(), component, toscaTemplate, nodeTypes);
 208         } else {
 209             log.trace("convert component as topology template");
 210             return convertToscaTemplate(component, toscaTemplate);
 211         }
 212
 213     }
 214
 215     private Either<ToscaTemplate, ToscaError> convertToscaTemplate(Component component, ToscaTemplate toscaNode) {
 216
 217         Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> importsRes = fillImports(component,
 218                 toscaNode);
 219         if (importsRes.isRight()) {
 220             return Either.right(importsRes.right().value());
 221         }
 222         toscaNode = importsRes.left().value().left;
 223         Map<String, Component> componentCache = importsRes.left().value().right;
 224         Either<Map<String, ToscaNodeType>, ToscaError> nodeTypesMapEither = createProxyNodeTypes(componentCache , component );
 225         if (nodeTypesMapEither.isRight()) {
 226             log.debug("Failed to fetch normative service proxy resource by tosca name, error {}",
 227                     nodeTypesMapEither.right().value());
 228             return Either.right(nodeTypesMapEither.right().value());
 229         }
 230         Map<String, ToscaNodeType> nodeTypesMap = nodeTypesMapEither.left().value();
 231         if (nodeTypesMap != null && !nodeTypesMap.isEmpty()) {
 232             toscaNode.setNode_types(nodeTypesMap);
 233         }
 234
 235
 236         Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 237         if (dataTypesEither.isRight()) {
 238             log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
 239             return Either.right(ToscaError.GENERAL_ERROR);
 240         }
 241         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 242         ToscaTopolgyTemplate topologyTemplate = new ToscaTopolgyTemplate();
 243         List<InputDefinition> inputDef = component.getInputs();
 244         Map<String, ToscaProperty> inputs = inputConverter.convertInputs(inputDef, dataTypes);
 245
 246         if (!inputs.isEmpty()) {
 247             topologyTemplate.setInputs(inputs);
 248         }
 249
 250         List<ComponentInstance> componentInstances = component.getComponentInstances();
 251         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties =
 252                 component.getComponentInstancesProperties();
 253         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces =
 254             component.getComponentInstancesInterfaces();
 255         if (componentInstances != null && !componentInstances.isEmpty()) {
 256
 257             Either<Map<String, ToscaNodeTemplate>, ToscaError> nodeTemplates =
 258                     convertNodeTemplates(component, componentInstances,
 259                         componentInstancesProperties, componentInstanceInterfaces,
 260                         componentCache, dataTypes, topologyTemplate);
 261             if (nodeTemplates.isRight()) {
 262                 return Either.right(nodeTemplates.right().value());
 263             }
 264             log.debug("node templates converted");
 265
 266             topologyTemplate.setNode_templates(nodeTemplates.left().value());
 267         }
 268
 269
 270         addGroupsToTopologyTemplate(component, topologyTemplate);
 271
 272         try {
 273             addPoliciesToTopologyTemplate(component, topologyTemplate);
 274         } catch (SdcResourceNotFoundException e) {
 275             log.debug("Fail to add policies to topology template:",e);
 276             return Either.right(ToscaError.GENERAL_ERROR);
 277         }
 278
 279
 280         SubstitutionMapping substitutionMapping = new SubstitutionMapping();
 281         String toscaResourceName;
 282         switch (component.getComponentType()) {
 283             case RESOURCE:
 284                 toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 285                                                                                .getMetadataDataDefinition()).getToscaResourceName();
 286                 break;
 287             case SERVICE:
 288                 toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 289                                             + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 290                 break;
 291             default:
 292                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 293                 return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 294         }
 295         substitutionMapping.setNode_type(toscaResourceName);
 296
 297         Either<SubstitutionMapping, ToscaError> capabilities = convertCapabilities(component, substitutionMapping, componentCache);
 298         if (capabilities.isRight()) {
 299             return Either.right(capabilities.right().value());
 300         }
 301         substitutionMapping = capabilities.left().value();
 302
 303         Either<SubstitutionMapping, ToscaError> requirements = capabilityRequirementConverter
 304                                                                        .convertSubstitutionMappingRequirements(componentCache, component, substitutionMapping);
 305         if (requirements.isRight()) {
 306             return Either.right(requirements.right().value());
 307         }
 308         substitutionMapping = requirements.left().value();
 309
 310         topologyTemplate.setSubstitution_mappings(substitutionMapping);
 311
 312         toscaNode.setTopology_template(topologyTemplate);
 313         return Either.left(toscaNode);
 314     }
 315
 316   private void addGroupsToTopologyTemplate(Component component, ToscaTopolgyTemplate topologyTemplate) {
 317
 318
 319         Map<String, ToscaGroupTemplate> groups = groupExportParser.getGroups(component);
 320         if(groups!= null) {
 321             topologyTemplate.addGroups(groups);
 322         }
 323     }
 324
 325     private void addPoliciesToTopologyTemplate(Component component, ToscaTopolgyTemplate topologyTemplate)
 326             throws SdcResourceNotFoundException {
 327         Map<String, ToscaPolicyTemplate> policies = policyExportParser.getPolicies(component);
 328         if(policies!= null) {
 329             topologyTemplate.addPolicies(policies);
 330         }
 331     }
 332
 333     private ToscaMetadata convertMetadata(Component component) {
 334         return convertMetadata(component, false, null);
 335     }
 336
 337     private ToscaMetadata convertMetadata(Component component, boolean isInstance,
 338             ComponentInstance componentInstance) {
 339         ToscaMetadata toscaMetadata = new ToscaMetadata();
 340         toscaMetadata.setInvariantUUID(component.getInvariantUUID());
 341         toscaMetadata.setUUID(component.getUUID());
 342         toscaMetadata.setDescription(component.getDescription());
 343         toscaMetadata.setName(component.getComponentMetadataDefinition().getMetadataDataDefinition().getName());
 344
 345         List<CategoryDefinition> categories = component.getCategories();
 346         CategoryDefinition categoryDefinition = categories.get(0);
 347         toscaMetadata.setCategory(categoryDefinition.getName());
 348
 349         if (isInstance) {
 350             toscaMetadata.setVersion(component.getVersion());
 351             toscaMetadata.setCustomizationUUID(componentInstance.getCustomizationUUID());
 352             if (componentInstance.getSourceModelInvariant() != null
 353                         && !componentInstance.getSourceModelInvariant().isEmpty()) {
 354                 toscaMetadata.setVersion(componentInstance.getComponentVersion());
 355                 toscaMetadata.setSourceModelInvariant(componentInstance.getSourceModelInvariant());
 356                 toscaMetadata.setSourceModelUuid(componentInstance.getSourceModelUuid());
 357                 toscaMetadata.setSourceModelName(componentInstance.getSourceModelName());
 358                 toscaMetadata.setName(
 359                         componentInstance.getSourceModelName() + " " + OriginTypeEnum.ServiceProxy.getDisplayValue());
 360                 toscaMetadata.setDescription(componentInstance.getDescription());
 361             }
 362
 363         }
 364         switch (component.getComponentType()) {
 365             case RESOURCE:
 366                 Resource resource = (Resource) component;
 367
 368                 if (isInstance && componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
 369                     toscaMetadata.setType(componentInstance.getOriginType().getDisplayValue());
 370                 } else {
 371                     toscaMetadata.setType(resource.getResourceType().name());
 372                 }
 373                 toscaMetadata.setSubcategory(categoryDefinition.getSubcategories().get(0).getName());
 374                 toscaMetadata.setResourceVendor(resource.getVendorName());
 375                 toscaMetadata.setResourceVendorRelease(resource.getVendorRelease());
 376                 toscaMetadata.setResourceVendorModelNumber(resource.getResourceVendorModelNumber());
 377                 break;
 378             case SERVICE:
 379                 Service service = (Service) component;
 380                 toscaMetadata.setType(component.getComponentType().getValue());
 381                 toscaMetadata.setServiceType(service.getServiceType());
 382                 toscaMetadata.setServiceRole(service.getServiceRole());
 383                 toscaMetadata.setEnvironmentContext(service.getEnvironmentContext());
 384                 resolveInstantiationTypeAndSetItToToscaMetaData(toscaMetadata, service);
 385                 if (!isInstance) {
 386                     // DE268546
 387                     toscaMetadata.setServiceEcompNaming(((Service) component).isEcompGeneratedNaming());
 388                     toscaMetadata.setEcompGeneratedNaming(((Service) component).isEcompGeneratedNaming());
 389                     toscaMetadata.setNamingPolicy(((Service) component).getNamingPolicy());
 390                 }
 391                 break;
 392             default:
 393                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 394         }
 395         return toscaMetadata;
 396     }
 397
 398     private void resolveInstantiationTypeAndSetItToToscaMetaData(ToscaMetadata toscaMetadata, Service service) {
 399         if (service.getInstantiationType() != null) {
 400             toscaMetadata.setInstantiationType(service.getInstantiationType());
 401         }
 402         else {
 403             toscaMetadata.setInstantiationType(StringUtils.EMPTY);
 404         }
 405     }
 406
 407     private Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports(Component component,
 408             ToscaTemplate toscaTemplate) {
 409
 410         if (null == DEFAULT_IMPORTS) {
 411             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 412             return Either.right(ToscaError.GENERAL_ERROR);
 413         }
 414         Map<String, Component> componentCache = new HashMap<>();
 415
 416         if (!ModelConverter.isAtomicComponent(component)) {
 417             List<Map<String, Map<String, String>>> additionalImports = toscaTemplate.getImports() == null
 418                                                                                ? new ArrayList<>(DEFAULT_IMPORTS) : new ArrayList<>(toscaTemplate.getImports());
 419
 420             List<Triple<String, String, Component>> dependecies = new ArrayList<>();
 421
 422             Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
 423             if (isNotEmpty(toscaArtifacts)) {
 424                 ArtifactDefinition artifactDefinition = toscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
 425                 if(artifactDefinition != null) {
 426                     Map<String, Map<String, String>> importsListMember = new HashMap<>();
 427                     Map<String, String> interfaceFiles = new HashMap<>();
 428                     interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactDefinition.getArtifactName()));
 429                     StringBuilder keyNameBuilder = new StringBuilder();
 430                     keyNameBuilder.append(component.getComponentType().toString().toLowerCase()).append("-")
 431                                   .append(component.getName()).append("-interface");
 432                     importsListMember.put(keyNameBuilder.toString(), interfaceFiles);
 433                     additionalImports.add(importsListMember);
 434                 }
 435             }
 436             List<ComponentInstance> componentInstances = component.getComponentInstances();
 437             if (componentInstances != null && !componentInstances.isEmpty()) {
 438                 componentInstances.forEach(ci -> createDependency(componentCache, additionalImports, dependecies, ci));
 439             }
 440             toscaTemplate.setDependencies(dependecies);
 441             toscaTemplate.setImports(additionalImports);
 442         } else {
 443             log.debug("currently imports supported for VF and service only");
 444         }
 445         return Either.left(new ImmutablePair<>(toscaTemplate, componentCache));
 446     }
 447
 448     private void createDependency(Map<String, Component> componentCache, List<Map<String, Map<String, String>>> imports,
 449             List<Triple<String, String, Component>> dependecies, ComponentInstance ci) {
 450         Map<String, String> files = new HashMap<>();
 451         Map<String, Map<String, String>> importsListMember = new HashMap<>();
 452         StringBuilder keyNameBuilder;
 453
 454         Component componentRI = componentCache.get(ci.getComponentUid());
 455         if (componentRI == null) {
 456             // all resource must be only once!
 457             Either<Component, StorageOperationStatus> resource = toscaOperationFacade
 458                                                                          .getToscaFullElement(ci.getComponentUid());
 459             if ((resource.isRight()) && (log.isDebugEnabled())) {
 460                 log.debug("Failed to fetch resource with id {} for instance {}",ci.getComponentUid() ,ci.getUniqueId());
 461                 return ;
 462             }
 463
 464             Component fetchedComponent = resource.left().value();
 465             componentCache.put(fetchedComponent.getUniqueId(), fetchedComponent);
 466
 467             if (ci.getOriginType() == OriginTypeEnum.ServiceProxy){
 468                 Either<Component, StorageOperationStatus> sourceService = toscaOperationFacade
 469                                                                                   .getToscaFullElement(ci.getSourceModelUid());
 470                 if (sourceService.isRight() && (log.isDebugEnabled())) {
 471                     log.debug("Failed to fetch source service with id {} for proxy {}", ci.getSourceModelUid(), ci.getUniqueId());
 472                 }
 473                 Component fetchedSource = sourceService.left().value();
 474                 componentCache.put(fetchedSource.getUniqueId(), fetchedSource);
 475             }
 476
 477             componentRI = fetchedComponent;
 478
 479             Map<String, ArtifactDefinition> toscaArtifacts = componentRI.getToscaArtifacts();
 480             ArtifactDefinition artifactDefinition = toscaArtifacts.get(ASSET_TOSCA_TEMPLATE);
 481             if (artifactDefinition != null) {
 482                 String artifactName = artifactDefinition.getArtifactName();
 483                 files.put(IMPORTS_FILE_KEY, artifactName);
 484                 keyNameBuilder = new StringBuilder();
 485                 keyNameBuilder.append(fetchedComponent.getComponentType().toString().toLowerCase());
 486                 keyNameBuilder.append("-");
 487                 keyNameBuilder.append(ci.getComponentName());
 488                 importsListMember.put(keyNameBuilder.toString(), files);
 489                 imports.add(importsListMember);
 490                 dependecies.add(new ImmutableTriple<>(artifactName,
 491                         artifactDefinition.getEsId(), fetchedComponent));
 492
 493                 if (!ModelConverter.isAtomicComponent(componentRI)) {
 494                     importsListMember = new HashMap<>();
 495                     Map<String, String> interfaceFiles = new HashMap<>();
 496                     interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactName));
 497                     keyNameBuilder.append("-interface");
 498                     importsListMember.put(keyNameBuilder.toString(), interfaceFiles);
 499                     imports.add(importsListMember);
 500                 }
 501             }
 502         }
 503     }
 504
 505     public static String getInterfaceFilename(String artifactName) {
 506         return artifactName.substring(0, artifactName.lastIndexOf('.')) + ToscaExportHandler.TOSCA_INTERFACE_NAME;
 507     }
 508
 509     private Either<ToscaTemplate, ToscaError> convertNodeType(Map<String, Component> componentsCache, Component component, ToscaTemplate toscaNode,
 510             Map<String, ToscaNodeType> nodeTypes) {
 511         log.debug("start convert node type for {}", component.getUniqueId());
 512         ToscaNodeType toscaNodeType = createNodeType(component);
 513
 514         Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 515         if (dataTypesEither.isRight()) {
 516             log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 517             return Either.right(ToscaError.GENERAL_ERROR);
 518         }
 519
 520         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 521         Either<ToscaNodeType, ToscaError> properties = propertyConvertor.convertProperties(component, toscaNodeType,
 522                 dataTypes);
 523         if (properties.isRight()) {
 524             return Either.right(properties.right().value());
 525         }
 526         toscaNodeType = properties.left().value();
 527         log.debug("Properties converted for {}", component.getUniqueId());
 528
 529         // Extracted to method for code reuse
 530         return convertReqCapAndTypeName(componentsCache, component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 531     }
 532
 533     private Either<ToscaTemplate, ToscaError> convertInterfaceNodeType(Map<String, Component> componentsCache,
 534             Component component, ToscaTemplate toscaNode,
 535             Map<String, ToscaNodeType> nodeTypes,
 536             boolean isAssociatedResourceComponent) {
 537         log.debug("start convert node type for {}", component.getUniqueId());
 538         ToscaNodeType toscaNodeType = createNodeType(component);
 539
 540         Either<Map<String, InterfaceDefinition>, StorageOperationStatus> lifecycleTypeEither =
 541                 interfaceLifecycleOperation.getAllInterfaceLifecycleTypes();
 542         if(lifecycleTypeEither.isRight()){
 543             log.debug("Failed to fetch all interface types :", lifecycleTypeEither.right().value());
 544             return Either.right(ToscaError.GENERAL_ERROR);
 545         }
 546         List<String> allGlobalInterfaceTypes = lifecycleTypeEither.left().value()
 547                                                                   .values()
 548                                                                   .stream()
 549                                                                   .map(interfaceDef -> interfaceDef.getType())
 550                                                                   .collect(Collectors.toList());
 551         toscaNode.setInterface_types(addInterfaceTypeElement(component, allGlobalInterfaceTypes));
 552
 553         Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 554         if (dataTypesEither.isRight()) {
 555             log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 556             return Either.right(ToscaError.GENERAL_ERROR);
 557         }
 558
 559         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 560
 561         List<InputDefinition> inputDef = component.getInputs();
 562         Map<String, ToscaProperty> mergedProperties = new HashMap<>();
 563         addInterfaceDefinitionElement(component, toscaNodeType, dataTypes, isAssociatedResourceComponent);
 564         if (inputDef != null) {
 565             addInputsToProperties(dataTypes, inputDef, mergedProperties);
 566         }
 567
 568         if(CollectionUtils.isNotEmpty(component.getProperties())) {
 569             List<PropertyDefinition> properties = component.getProperties();
 570             mergedProperties = properties.stream().collect(Collectors.toMap(
 571                 PropertyDataDefinition::getName,
 572                 property -> propertyConvertor.convertProperty(dataTypes, property, PropertyConvertor.PropertyType.PROPERTY)));
 573         }
 574         if (!mergedProperties.isEmpty()) {
 575             toscaNodeType.setProperties(mergedProperties);
 576         }
 577         // Extracted to method for code reuse
 578         return convertReqCapAndTypeName(componentsCache, component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 579     }
 580
 581   private void addInputsToProperties(Map<String, DataTypeDefinition> dataTypes,
 582                                      List<InputDefinition> inputDef,
 583                                      Map<String, ToscaProperty> mergedProperties) {
 584     for(InputDefinition input : inputDef) {
 585       ToscaProperty property = propertyConvertor.convertProperty(dataTypes, input, PropertyConvertor.PropertyType.INPUT);
 586       mergedProperties.put(input.getName(), property);
 587     }
 588   }
 589
 590
 591     private Either<ToscaTemplate, ToscaError> convertReqCapAndTypeName(Map<String, Component> componentsCache, Component component, ToscaTemplate toscaNode,
 592             Map<String, ToscaNodeType> nodeTypes, ToscaNodeType toscaNodeType,
 593             Map<String, DataTypeDefinition> dataTypes) {
 594         Either<ToscaNodeType, ToscaError> capabilities = convertCapabilities(componentsCache, component, toscaNodeType, dataTypes);
 595         if (capabilities.isRight()) {
 596             return Either.right(capabilities.right().value());
 597         }
 598         toscaNodeType = capabilities.left().value();
 599         log.debug("Capabilities converted for {}", component.getUniqueId());
 600
 601         Either<ToscaNodeType, ToscaError> requirements = capabilityRequirementConverter.convertRequirements(componentsCache, component,
 602                 toscaNodeType);
 603         if (requirements.isRight()) {
 604             return Either.right(requirements.right().value());
 605         }
 606         toscaNodeType = requirements.left().value();
 607         log.debug("Requirements converted for {}", component.getUniqueId());
 608
 609         String toscaResourceName;
 610         switch (component.getComponentType()) {
 611             case RESOURCE:
 612                 toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 613                                                                                .getMetadataDataDefinition()).getToscaResourceName();
 614                 break;
 615             case SERVICE:
 616                 toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 617                                             + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 618                 break;
 619             default:
 620                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 621                 return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 622         }
 623
 624         nodeTypes.put(toscaResourceName, toscaNodeType);
 625         toscaNode.setNode_types(nodeTypes);
 626         log.debug("finish convert node type for {}", component.getUniqueId());
 627         return Either.left(toscaNode);
 628     }
 629
 630     protected Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplates(
 631             Component component,
 632             List<ComponentInstance> componentInstances,
 633             Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 634             Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 635             Map<String, Component> componentCache, Map<String, DataTypeDefinition> dataTypes,
 636             ToscaTopolgyTemplate topologyTemplate) {
 637
 638         Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplatesRes = null;
 639         log.debug("start convert topology template for {} for type {}", component.getUniqueId(),
 640                 component.getComponentType());
 641         Map<String, ToscaNodeTemplate> nodeTemplates = new HashMap<>();
 642         Map<String, List<ComponentInstanceInput>> componentInstancesInputs = component.getComponentInstancesInputs();
 643
 644         Map<String, ToscaGroupTemplate> groupsMap = null;
 645         for (ComponentInstance componentInstance : componentInstances) {
 646             ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
 647             nodeTemplate.setType(componentInstance.getToscaComponentName());
 648
 649             Either<Component, Boolean> originComponentRes = capabilityRequirementConverter
 650                                                                     .getOriginComponent(componentCache, componentInstance);
 651             if (originComponentRes.isRight()) {
 652                 convertNodeTemplatesRes = Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
 653                 break;
 654             }
 655             Either<ToscaNodeTemplate, ToscaError> requirements = convertComponentInstanceRequirements(component,
 656                     componentInstance, component.getComponentInstancesRelations(), nodeTemplate,
 657                     originComponentRes.left().value(), componentCache);
 658             if (requirements.isRight()) {
 659                 convertNodeTemplatesRes = Either.right(requirements.right().value());
 660                 break;
 661             }
 662             String instanceUniqueId = componentInstance.getUniqueId();
 663             log.debug("Component instance Requirements converted for instance {}", instanceUniqueId);
 664
 665             nodeTemplate = requirements.left().value();
 666
 667             Component originalComponent = componentCache.get(componentInstance.getActualComponentUid());
 668
 669             if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy){
 670                 Component componentOfProxy = componentCache.get(componentInstance.getComponentUid());
 671                 nodeTemplate.setMetadata(convertMetadata(componentOfProxy, true, componentInstance));
 672             } else {
 673                 nodeTemplate.setMetadata(convertMetadata(originalComponent, true, componentInstance));
 674             }
 675
 676             Either<ToscaNodeTemplate, ToscaError> capabilities = capabilityRequirementConverter
 677                                                                          .convertComponentInstanceCapabilities(componentInstance, dataTypes, nodeTemplate);
 678             if (capabilities.isRight()) {
 679                 convertNodeTemplatesRes = Either.right(capabilities.right().value());
 680                 break;
 681             }
 682             log.debug("Component instance Capabilities converted for instance {}", instanceUniqueId);
 683
 684             nodeTemplate = capabilities.left().value();
 685             Map<String, Object> props = new HashMap<>();
 686
 687             if (originalComponent.getComponentType() == ComponentTypeEnum.RESOURCE) {
 688                 // Adds the properties of parent component to map
 689                 addPropertiesOfParentComponent(dataTypes, originalComponent, props);
 690             }
 691
 692             if (null != componentInstancesProperties && componentInstancesProperties.containsKey(instanceUniqueId)) {
 693                 addPropertiesOfComponentInstance(componentInstancesProperties, dataTypes,
 694                         instanceUniqueId, props);
 695             }
 696
 697             if (componentInstancesInputs != null && componentInstancesInputs.containsKey(instanceUniqueId)) {
 698                 addComponentInstanceInputs(dataTypes, componentInstancesInputs, instanceUniqueId,
 699                         props);
 700             }
 701             //M3[00001] - NODE TEMPLATE INTERFACES  - START
 702             handleInstanceInterfaces(componentInstanceInterfaces, componentInstance, dataTypes, nodeTemplate,
 703                     instanceUniqueId, component);
 704             //M3[00001] - NODE TEMPLATE INTERFACES  - END
 705             if (props != null && !props.isEmpty()) {
 706                 nodeTemplate.setProperties(props);
 707             }
 708
 709             List<GroupInstance> groupInstances = componentInstance.getGroupInstances();
 710             if (groupInstances != null) {
 711                 if (groupsMap == null) {
 712                     groupsMap = new HashMap<>();
 713                 }
 714                 for (GroupInstance groupInst : groupInstances) {
 715                     boolean addToTosca = true;
 716
 717                     List<String> artifacts = groupInst.getArtifacts();
 718                     if (artifacts == null || artifacts.isEmpty()) {
 719                         addToTosca = false;
 720                     }
 721
 722                     if (addToTosca) {
 723                         ToscaGroupTemplate toscaGroup = groupExportParser.getToscaGroupTemplate(groupInst, componentInstance.getInvariantName());
 724                         groupsMap.put(groupInst.getName(), toscaGroup);
 725                     }
 726                 }
 727             }
 728
 729             nodeTemplates.put(componentInstance.getName(), nodeTemplate);
 730         }
 731         if (groupsMap != null) {
 732             log.debug("instance groups added");
 733             topologyTemplate.addGroups(groupsMap);
 734         }
 735         if (component.getComponentType() == ComponentTypeEnum.SERVICE && isNotEmpty(((Service) component).getForwardingPaths())) {
 736             log.debug("Starting converting paths for component {}, name {}", component.getUniqueId(),
 737                     component.getName());
 738             ForwardingPathToscaUtil.addForwardingPaths((Service) component, nodeTemplates, capabilityRequirementConverter, componentCache, toscaOperationFacade);
 739             log.debug("Finished converting paths for component {}, name {}", component.getUniqueId(),
 740                     component.getName());
 741         }
 742         if (convertNodeTemplatesRes == null) {
 743             convertNodeTemplatesRes = Either.left(nodeTemplates);
 744         }
 745         log.debug("finish convert topology template for {} for type {}", component.getUniqueId(),
 746                 component.getComponentType());
 747         return convertNodeTemplatesRes;
 748     }
 749
 750     private void handleInstanceInterfaces(
 751             Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 752             ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, ToscaNodeTemplate nodeTemplate,
 753             String instanceUniqueId,
 754             Component parentComponent) {
 755
 756         Map<String, Object> interfaces;
 757
 758         // we need to handle service proxy interfaces
 759         if(isComponentOfTypeServiceProxy(componentInstance)) {
 760             if(MapUtils.isEmpty(componentInstanceInterfaces)
 761                 || !componentInstanceInterfaces.containsKey(instanceUniqueId)) {
 762                 interfaces = null;
 763             } else {
 764                 List<ComponentInstanceInterface> currServiceInterfaces =
 765                     componentInstanceInterfaces.get(instanceUniqueId);
 766
 767                 Map<String, InterfaceDefinition> tmpInterfaces = new HashMap<>();
 768                 currServiceInterfaces.forEach(instInterface -> tmpInterfaces.put(instInterface
 769                     .getUniqueId(), instInterface));
 770
 771                 interfaces = InterfacesOperationsToscaUtil
 772                         .getInterfacesMap(parentComponent, tmpInterfaces, dataTypes, true, true);
 773             }
 774         } else {
 775             interfaces =
 776                 getComponentInstanceInterfaceInstances(componentInstanceInterfaces,
 777                     componentInstance, instanceUniqueId);
 778         }
 779         nodeTemplate.setInterfaces(interfaces);
 780     }
 781
 782     private boolean isComponentOfTypeServiceProxy(ComponentInstance componentInstance) {
 783         return Objects.nonNull(componentInstance.getOriginType())
 784             && componentInstance.getOriginType().getValue().equals("Service Proxy");
 785     }
 786
 787     //M3[00001] - NODE TEMPLATE INTERFACES  - START
 788     private Map<String, Object> getComponentInstanceInterfaceInstances(Map<String, List<ComponentInstanceInterface>> componentInstancesInterfaces,
 789                                                                         ComponentInstance componentInstance,
 790                                                                        String instanceUniqueId) {
 791         if(MapUtils.isEmpty(componentInstancesInterfaces)) {
 792             return null;
 793         }
 794
 795         List<ComponentInstanceInterface> componentInstanceInterfaces =
 796             componentInstancesInterfaces.get(instanceUniqueId);
 797
 798         if(CollectionUtils.isEmpty(componentInstanceInterfaces)) {
 799           return null;
 800         }
 801
 802         Map<String, Object> interfaces = new HashMap<>();
 803         for(ComponentInstanceInterface componentInstanceInterface : componentInstanceInterfaces) {
 804             interfaces.put(componentInstanceInterface.getInterfaceId(),
 805                 removeOperationsKeyFromInterface(componentInstanceInterface.getInterfaceInstanceDataDefinition()));
 806         }
 807
 808         componentInstance.setInterfaces(interfaces);
 809
 810         return interfaces;
 811     }
 812     //M3[00001] - NODE TEMPLATE INTERFACES  - END
 813
 814     private void addComponentInstanceInputs(Map<String, DataTypeDefinition> dataTypes,
 815             Map<String, List<ComponentInstanceInput>> componentInstancesInputs,
 816             String instanceUniqueId, Map<String, Object> props) {
 817
 818         List<ComponentInstanceInput> instanceInputsList = componentInstancesInputs.get(instanceUniqueId);
 819         if (instanceInputsList != null) {
 820             instanceInputsList.forEach(input -> {
 821
 822                 Supplier<String> supplier = () -> input.getValue() != null && !input.getValue().isEmpty()
 823                                                           ? input.getValue() : input.getDefaultValue();
 824                 propertyConvertor.convertAndAddValue(dataTypes, props, input, supplier);
 825             });
 826         }
 827     }
 828
 829     private void addPropertiesOfComponentInstance(
 830             Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 831             Map<String, DataTypeDefinition> dataTypes, String instanceUniqueId,
 832             Map<String, Object> props) {
 833
 834         if (isNotEmpty(componentInstancesProperties)) {
 835             componentInstancesProperties.get(instanceUniqueId)
 836                                         // Converts and adds each value to property map
 837                                         .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
 838                                                 prop::getValue));
 839         }
 840     }
 841
 842     private void addPropertiesOfParentComponent(Map<String, DataTypeDefinition> dataTypes,
 843             Component componentOfInstance, Map<String, Object> props) {
 844
 845         List<PropertyDefinition> componentProperties = ((Resource) componentOfInstance).getProperties();
 846         if (isNotEmpty(componentProperties)) {
 847             componentProperties.stream()
 848                                // Filters out properties with empty default values
 849                                .filter(prop -> isNotEmpty(prop.getDefaultValue()))
 850                                // Converts and adds each value to property map
 851                                .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
 852                                        prop::getDefaultValue));
 853         }
 854     }
 855
 856     /**
 857      * @param dataTypes
 858      * @param componentInstance
 859      * @param props
 860      * @param prop
 861      * @param supplier
 862      */
 863     private void convertAndAddValue(Map<String, DataTypeDefinition> dataTypes, ComponentInstance componentInstance,
 864             Map<String, Object> props, PropertyDefinition prop, Supplier<String> supplier) {
 865         Object convertedValue = convertValue(dataTypes, componentInstance, prop, supplier);
 866         if (!ToscaValueBaseConverter.isEmptyObjectValue(convertedValue)) {
 867             props.put(prop.getName(), convertedValue);
 868         }
 869     }
 870
 871     private <T extends PropertyDefinition> Object convertValue(Map<String, DataTypeDefinition> dataTypes,
 872             ComponentInstance componentInstance, T input, Supplier<String> supplier) {
 873         log.debug("Convert property or input value {} for instance {}", input.getName(),
 874                 componentInstance.getUniqueId());
 875         String propertyType = input.getType();
 876         String innerType = null;
 877         if (input.getSchema() != null && input.getSchema().getProperty() != null) {
 878             innerType = input.getSchema().getProperty().getType();
 879         }
 880         return propertyConvertor.convertToToscaObject(propertyType, supplier.get(), innerType,
 881             dataTypes, true);
 882     }
 883
 884     private ToscaNodeType createNodeType(Component component) {
 885         ToscaNodeType toscaNodeType = new ToscaNodeType();
 886         if (ModelConverter.isAtomicComponent(component)) {
 887             if (((Resource) component).getDerivedFrom() != null) {
 888                 toscaNodeType.setDerived_from(((Resource) component).getDerivedFrom().get(0));
 889             }
 890             toscaNodeType.setDescription(component.getDescription());
 891         } else {
 892             String derivedFrom = null != component.getDerivedFromGenericType() ? component.getDerivedFromGenericType()
 893                                          : "tosca.nodes.Root";
 894             toscaNodeType.setDerived_from(derivedFrom);
 895         }
 896         return toscaNodeType;
 897     }
 898
 899     private Either<Map<String, ToscaNodeType>, ToscaError> createProxyNodeTypes(Map<String, Component> componentCache ,Component container  ) {
 900
 901         Map<String, ToscaNodeType> nodeTypesMap = new HashMap<>();
 902         Either<Map<String, ToscaNodeType>, ToscaError> res = Either.left(nodeTypesMap);
 903
 904         List<ComponentInstance> componentInstances = container.getComponentInstances();
 905
 906         if (componentInstances == null || componentInstances.isEmpty()) {
 907             return res;
 908         }
 909         Map<String, ComponentInstance> serviceProxyInstanceList = new HashMap<>();
 910         List<ComponentInstance> proxyInst = componentInstances.stream()
 911                                                               .filter(p -> p.getOriginType().name().equals(OriginTypeEnum.ServiceProxy.name()))
 912                                                               .collect(Collectors.toList());
 913         if (proxyInst != null && !proxyInst.isEmpty()) {
 914             for (ComponentInstance inst : proxyInst) {
 915                 serviceProxyInstanceList.put(inst.getToscaComponentName(), inst);
 916             }
 917         }
 918
 919         if (serviceProxyInstanceList.isEmpty()) {
 920             return res;
 921         }
 922         ComponentParametersView filter = new ComponentParametersView(true);
 923         filter.setIgnoreCapabilities(false);
 924         filter.setIgnoreComponentInstances(false);
 925         Either<Resource, StorageOperationStatus> serviceProxyOrigin = toscaOperationFacade
 926                                                                               .getLatestByName("serviceProxy");
 927         if (serviceProxyOrigin.isRight()) {
 928             log.debug("Failed to fetch normative service proxy resource by tosca name, error {}",
 929                     serviceProxyOrigin.right().value());
 930             return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 931         }
 932         Component origComponent = serviceProxyOrigin.left().value();
 933
 934         for (Entry<String, ComponentInstance> entryProxy : serviceProxyInstanceList.entrySet()) {
 935             Component serviceComponent = null;
 936             ComponentParametersView componentParametersView = new ComponentParametersView();
 937             componentParametersView.disableAll();
 938             componentParametersView.setIgnoreCategories(false);
 939             Either<Component, StorageOperationStatus> service = toscaOperationFacade
 940                                                                         .getToscaElement(entryProxy.getValue().getSourceModelUid(), componentParametersView);
 941             if (service.isRight()) {
 942                 log.debug("Failed to fetch resource with id {} for instance {}", entryProxy.getValue().getSourceModelUid(),  entryProxy.getValue().getName());
 943             } else {
 944                 serviceComponent = service.left().value();
 945             }
 946
 947             ToscaNodeType toscaNodeType = createProxyNodeType(componentCache , origComponent, serviceComponent, entryProxy.getValue());
 948             nodeTypesMap.put(entryProxy.getKey(), toscaNodeType);
 949         }
 950
 951         return Either.left(nodeTypesMap);
 952     }
 953
 954     private ToscaNodeType createProxyNodeType(Map<String, Component> componentCache , Component origComponent, Component proxyComponent,
 955             ComponentInstance instance) {
 956         ToscaNodeType toscaNodeType = new ToscaNodeType();
 957         String derivedFrom = ((Resource) origComponent).getToscaResourceName();
 958
 959         toscaNodeType.setDerived_from(derivedFrom);
 960         Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 961         if (dataTypesEither.isRight()) {
 962             log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
 963         }
 964         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 965         Map<String, ToscaCapability> capabilities = this.capabilityRequirementConverter
 966                                                             .convertProxyCapabilities( componentCache ,origComponent, proxyComponent, instance, dataTypes);
 967
 968         toscaNodeType.setCapabilities(capabilities);
 969
 970         return toscaNodeType;
 971     }
 972
 973     private Either<ToscaNodeTemplate, ToscaError> convertComponentInstanceRequirements(Component component,
 974             ComponentInstance componentInstance, List<RequirementCapabilityRelDef> relations,
 975             ToscaNodeTemplate nodeTypeTemplate, Component originComponent, Map<String, Component> componentCache) {
 976
 977         List<Map<String, ToscaTemplateRequirement>> toscaRequirements = new ArrayList<>();
 978         if (!addRequirements(component, componentInstance, relations, originComponent, toscaRequirements, componentCache)) {
 979             log.debug("Failed to convert component instance requirements for the component instance {}. ",
 980                     componentInstance.getName());
 981             return Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
 982         }
 983         if (!toscaRequirements.isEmpty()) {
 984             nodeTypeTemplate.setRequirements(toscaRequirements);
 985         }
 986         log.debug("Finished to convert requirements for the node type {} ", componentInstance.getName());
 987         return Either.left(nodeTypeTemplate);
 988     }
 989
 990     private boolean addRequirements(Component component, ComponentInstance componentInstance,
 991             List<RequirementCapabilityRelDef> relations, Component originComponent,
 992             List<Map<String, ToscaTemplateRequirement>> toscaRequirements, Map<String, Component> componentCache) {
 993         List<RequirementCapabilityRelDef> filteredRelations = relations.stream()
 994                                                                        .filter(p -> componentInstance.getUniqueId().equals(p.getFromNode())).collect(Collectors.toList());
 995         return isEmpty(filteredRelations) ||
 996                        filteredRelations.stream()
 997                                         .allMatch(rel -> addRequirement(componentInstance, originComponent, component.getComponentInstances(), rel, toscaRequirements, componentCache));
 998     }
 999
1000     private boolean addRequirement(ComponentInstance fromInstance, Component fromOriginComponent,
1001             List<ComponentInstance> instancesList, RequirementCapabilityRelDef rel,
1002             List<Map<String, ToscaTemplateRequirement>> toscaRequirements, Map<String, Component> componentCache) {
1003
1004         boolean result = true;
1005         Map<String, List<RequirementDefinition>> reqMap = fromOriginComponent.getRequirements();
1006         RelationshipInfo reqAndRelationshipPair = rel.getRelationships().get(0).getRelation();
1007         Either<Component, StorageOperationStatus> getOriginRes = null;
1008         Optional<RequirementDefinition> reqOpt = Optional.empty();
1009         Component toOriginComponent = null;
1010         Optional<CapabilityDefinition> capOpt = Optional.empty();
1011
1012         ComponentInstance toInstance = instancesList.stream().filter(i -> rel.getToNode().equals(i.getUniqueId()))
1013                                                     .findFirst().orElse(null);
1014         if (toInstance == null) {
1015             log.debug("Failed to find a relation from the node {} to the node {}", fromInstance.getName(),
1016                     rel.getToNode());
1017             result = false;
1018         }
1019         if (result) {
1020             reqOpt = findRequirement(fromOriginComponent, reqMap, reqAndRelationshipPair, fromInstance.getUniqueId());
1021             if (!reqOpt.isPresent()) {
1022                 log.debug("Failed to find a requirement with uniqueId {} on a component with uniqueId {}",
1023                         reqAndRelationshipPair.getRequirementUid(), fromOriginComponent.getUniqueId());
1024                 result = false;
1025             }
1026         }
1027         if (result) {
1028             ComponentParametersView filter = new ComponentParametersView(true);
1029             filter.setIgnoreComponentInstances(false);
1030             filter.setIgnoreCapabilities(false);
1031             filter.setIgnoreGroups(false);
1032             getOriginRes = toscaOperationFacade.getToscaElement(toInstance.getActualComponentUid(), filter);
1033             if (getOriginRes.isRight()) {
1034                 log.debug("Failed to build substituted name for the requirement {}. Failed to get an origin component with uniqueId {}",
1035                         reqOpt.get().getName(), toInstance.getActualComponentUid());
1036                 result = false;
1037             }
1038         }
1039         if (result) {
1040             toOriginComponent = getOriginRes.left().value();
1041             capOpt = toOriginComponent.getCapabilities().get(reqOpt.get().getCapability()).stream()
1042                                       .filter(c -> isCapabilityBelongToRelation(reqAndRelationshipPair, c)).findFirst();
1043             if (!capOpt.isPresent()) {
1044                 capOpt = findCapability(reqAndRelationshipPair, toOriginComponent, fromOriginComponent, reqOpt.get());
1045                 if(!capOpt.isPresent()){
1046                     result = false;
1047                     log.debug("Failed to find a capability with name {} on a component with uniqueId {}",
1048                             reqAndRelationshipPair.getCapability(), fromOriginComponent.getUniqueId());
1049                 }
1050             }
1051         }
1052         if (result) {
1053             result = buildAndAddRequirement(toscaRequirements, fromOriginComponent, toOriginComponent, capOpt.get(),
1054                     reqOpt.get(), reqAndRelationshipPair, toInstance, componentCache);
1055         }
1056         return result;
1057     }
1058
1059     private boolean isCapabilityBelongToRelation(RelationshipInfo reqAndRelationshipPair, CapabilityDefinition capability) {
1060         return capability.getName().equals(reqAndRelationshipPair.getCapability()) && (capability.getOwnerId() !=null && capability.getOwnerId().equals(reqAndRelationshipPair.getCapabilityOwnerId()));
1061     }
1062
1063     private Optional<CapabilityDefinition> findCapability(RelationshipInfo reqAndRelationshipPair, Component toOriginComponent, Component fromOriginComponent, RequirementDefinition requirement) {
1064         Optional<CapabilityDefinition> cap = toOriginComponent.getCapabilities().get(requirement.getCapability()).stream().filter(c -> c.getType().equals(requirement.getCapability())).findFirst();
1065         if (!cap.isPresent()) {
1066             log.debug("Failed to find a capability with name {} on a component with uniqueId {}", reqAndRelationshipPair.getCapability(), fromOriginComponent.getUniqueId());
1067         }
1068         return cap;
1069     }
1070
1071     private boolean buildAndAddRequirement(List<Map<String, ToscaTemplateRequirement>> toscaRequirements, Component fromOriginComponent, Component toOriginComponent, CapabilityDefinition capability, RequirementDefinition requirement, RelationshipInfo reqAndRelationshipPair, ComponentInstance toInstance, Map<String, Component> componentCache) {
1072         List<String> reducedPath = capability.getPath();
1073         if(capability.getOwnerId() !=null){
1074             reducedPath =   capabilityRequirementConverter.getReducedPathByOwner(capability.getPath() , capability.getOwnerId() );
1075         }
1076         Either<String, Boolean> buildCapNameRes = capabilityRequirementConverter.buildSubstitutedName(componentCache,
1077                 toOriginComponent, reducedPath, reqAndRelationshipPair.getCapability(), capability.getPreviousName());
1078         if (buildCapNameRes.isRight()) {
1079             log.debug(
1080                     "Failed to build a substituted capability name for the capability with name {} on a component with uniqueId {}",
1081                     reqAndRelationshipPair.getCapability(), fromOriginComponent.getUniqueId());
1082             return false;
1083         }
1084         Either<String, Boolean> buildReqNameRes  = capabilityRequirementConverter.buildSubstitutedName(componentCache, fromOriginComponent,
1085                 requirement.getPath(), reqAndRelationshipPair.getRequirement(), requirement.getPreviousName());
1086         if (buildReqNameRes.isRight()) {
1087             log.debug(
1088                     "Failed to build a substituted requirement name for the requirement with name {} on a component with uniqueId {}",
1089                     reqAndRelationshipPair.getRequirement(), fromOriginComponent.getUniqueId());
1090             return false;
1091         }
1092         ToscaTemplateRequirement toscaRequirement = new ToscaTemplateRequirement();
1093         Map<String, ToscaTemplateRequirement> toscaReqMap = new HashMap<>();
1094         toscaRequirement.setNode(toInstance.getName());
1095         toscaRequirement.setCapability(buildCapNameRes.left().value());
1096         toscaReqMap.put(buildReqNameRes.left().value(), toscaRequirement);
1097         toscaRequirements.add(toscaReqMap);
1098         return true;
1099     }
1100
1101     private Optional<RequirementDefinition> findRequirement(Component fromOriginComponent, Map<String, List<RequirementDefinition>> reqMap, RelationshipInfo reqAndRelationshipPair,  String fromInstanceId) {
1102         for(List<RequirementDefinition> reqList: reqMap.values()){
1103             Optional<RequirementDefinition> reqOpt = reqList.stream().filter(r -> isRequirementBelongToRelation(fromOriginComponent, reqAndRelationshipPair, r, fromInstanceId)).findFirst();
1104             if(reqOpt.isPresent()){
1105                 return reqOpt;
1106             }
1107         }
1108         return Optional.empty();
1109     }
1110
1111     /**
1112      * Allows detecting the requirement belonging to the received relationship
1113      * The detection logic is: A requirement belongs to a relationship IF 1.The
1114      * name of the requirement equals to the "requirement" field of the
1115      * relation; AND 2. In case of a non-atomic resource, OwnerId of the
1116      * requirement equals to requirementOwnerId of the relation OR uniqueId of
1117      * toInstance equals to capabilityOwnerId of the relation
1118      */
1119     private boolean isRequirementBelongToRelation(Component originComponent, RelationshipInfo reqAndRelationshipPair, RequirementDefinition requirement, String fromInstanceId) {
1120         if (!StringUtils.equals(requirement.getName(), reqAndRelationshipPair.getRequirement())) {
1121             log.debug("Failed to find a requirement with name {} and  reqAndRelationshipPair {}",
1122                     requirement.getName(), reqAndRelationshipPair.getRequirement());
1123             return false;
1124         }
1125         return ModelConverter.isAtomicComponent(originComponent) ||
1126                        isRequirementBelongToOwner(reqAndRelationshipPair, requirement, fromInstanceId, originComponent);
1127     }
1128
1129     private boolean isRequirementBelongToOwner(RelationshipInfo reqAndRelationshipPair, RequirementDefinition requirement, String fromInstanceId, Component originComponent) {
1130         return StringUtils.equals(requirement.getOwnerId(), reqAndRelationshipPair.getRequirementOwnerId()) || (isCvfc(originComponent) && StringUtils.equals(fromInstanceId, reqAndRelationshipPair.getRequirementOwnerId()));
1131     }
1132
1133     private boolean isCvfc(Component component) {
1134         return component.getComponentType() == ComponentTypeEnum.RESOURCE &&
1135                        ((Resource) component).getResourceType() == ResourceTypeEnum.CVFC;
1136     }
1137
1138     private Either<SubstitutionMapping, ToscaError> convertCapabilities(Component component,
1139             SubstitutionMapping substitutionMappings, Map<String, Component> componentCache) {
1140
1141         Either<SubstitutionMapping, ToscaError> result = Either.left(substitutionMappings);
1142         Either<Map<String, String[]>, ToscaError> toscaCapabilitiesRes = capabilityRequirementConverter
1143                                                                                  .convertSubstitutionMappingCapabilities(componentCache, component);
1144         if (toscaCapabilitiesRes.isRight()) {
1145             result = Either.right(toscaCapabilitiesRes.right().value());
1146             log.debug("Failed convert capabilities for the component {}. ", component.getName());
1147         } else if (isNotEmpty(toscaCapabilitiesRes.left().value())) {
1148             substitutionMappings.setCapabilities(toscaCapabilitiesRes.left().value());
1149             log.debug("Finish convert capabilities for the component {}. ", component.getName());
1150         }
1151         log.debug("Finished to convert capabilities for the component {}. ", component.getName());
1152         return result;
1153     }
1154
1155     private Either<ToscaNodeType, ToscaError> convertCapabilities(Map<String, Component> componentsCache, Component component, ToscaNodeType nodeType,
1156             Map<String, DataTypeDefinition> dataTypes) {
1157         Map<String, ToscaCapability> toscaCapabilities = capabilityRequirementConverter.convertCapabilities(componentsCache, component,
1158                 dataTypes);
1159         if (!toscaCapabilities.isEmpty()) {
1160             nodeType.setCapabilities(toscaCapabilities);
1161         }
1162         log.debug("Finish convert Capabilities for node type");
1163
1164         return Either.left(nodeType);
1165     }
1166
1167     private static class CustomRepresenter extends Representer {
1168         public CustomRepresenter() {
1169             super();
1170             // null representer is exceptional and it is stored as an instance
1171             // variable.
1172             this.nullRepresenter = new RepresentNull();
1173
1174         }
1175
1176         @Override
1177         protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue,
1178                 Tag customTag) {
1179             if (propertyValue == null) {
1180                 return null;
1181             } else {
1182                 // skip not relevant for Tosca property
1183                 if ("dependencies".equals(property.getName())) {
1184                     return null;
1185                 }
1186                 NodeTuple defaultNode = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
1187
1188                 return "_defaultp_".equals(property.getName())
1189                                ? new NodeTuple(representData("default"), defaultNode.getValueNode()) : defaultNode;
1190             }
1191         }
1192
1193         @Override
1194         protected MappingNode representJavaBean(Set<Property> properties, Object javaBean) {
1195             // remove the bean type from the output yaml (!! ...)
1196             if (!classTags.containsKey(javaBean.getClass())) {
1197                 addClassTag(javaBean.getClass(), Tag.MAP);
1198             }
1199
1200             return super.representJavaBean(properties, javaBean);
1201         }
1202
1203         private class RepresentNull implements Represent {
1204             @Override
1205             public Node representData(Object data) {
1206                 // possible values are here http://yaml.org/type/null.html
1207                 return representScalar(Tag.NULL, "");
1208             }
1209         }
1210     }
1211
1212     private static class UnsortedPropertyUtils extends PropertyUtils {
1213         @Override
1214         protected Set<Property> createPropertySet(Class type, BeanAccess bAccess)
1215                 throws IntrospectionException {
1216             Collection<Property> fields = getPropertiesMap(type, BeanAccess.FIELD).values();
1217             return new LinkedHashSet<>(fields);
1218         }
1219     }
1220
1221     private Object removeOperationsKeyFromInterface(Object interfaceInstanceDataDefinition) {
1222         ObjectMapper objectMapper = new ObjectMapper();
1223         objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false);
1224
1225             Map<String, Object> interfaceAsMap = ServiceUtils.getObjectAsMap(interfaceInstanceDataDefinition);
1226             Map<String, Object> operations = (Map<String, Object>) interfaceAsMap.remove("operations");
1227             interfaceAsMap.remove("empty");
1228
1229             if(MapUtils.isNotEmpty(operations)) {
1230                 interfaceAsMap.putAll(operations);
1231             }
1232
1233             Object interfaceObject = objectMapper.convertValue(interfaceAsMap, Object.class);
1234
1235             return interfaceObject;
1236
1237     }
1238 }
1239