[SDC] Onboarding 1710 rebase.

Change-Id: If3b6b81d221fde13908f1e8160db6f7d9433c535
Signed-off-by: Avi Ziv <avi.ziv@amdocs.com>

3 files changed, 682 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/services/ManualVspToscaGenerationService.java b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/services/ManualVspToscaGenerationService.java
new file mode 100644
index 0000000000..6d488c0221
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/services/ManualVspToscaGenerationService.java
@@ -0,0 +1,433 @@
+package org.openecomp.sdc.generator.core.services;
+
+import static org.openecomp.sdc.generator.util.GeneratorConstants.ALLOWED_FLAVORS_PROPERTY;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.DISK_SIZE;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.DISK_SIZE_PROP_DESC_PREFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.IMAGES_PROPERTY;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.MEM_SIZE;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.MEM_SIZE_PROP_DESC_PREFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.NUM_CPUS;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.NUM_CPUS_PROP_DESC_PREFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.PORT_NODE_TEMPLATE_ID_SUFFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.RELEASE_VENDOR;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.TOSCA_SERVICE_TEMPLATE_FILE_NAME_SUFFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.VFC_NODE_TEMPLATE_ID_SUFFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.VNF_CONFIG_NODE_TEMPLATE_ID_SUFFIX;
+import static org.openecomp.sdc.generator.util.GeneratorConstants.VNF_NODE_TEMPLATE_ID_SUFFIX;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
+import org.openecomp.sdc.generator.core.utils.GeneratorUtils;
+import org.openecomp.sdc.generator.datatypes.tosca.MultiFlavorVfcImage;
+import org.openecomp.sdc.generator.datatypes.tosca.VspModelInfo;
+import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.Import;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyType;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.sdc.tosca.services.ToscaUtil;
+import org.openecomp.sdc.tosca.services.impl.ToscaAnalyzerServiceImpl;
+import org.openecomp.sdc.translator.services.heattotosca.Constants;
+import org.openecomp.sdc.translator.services.heattotosca.globaltypes.GlobalTypesGenerator;
+import org.openecomp.sdc.vendorsoftwareproduct.types.composition.Nic;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+/**
+ * The type Manual vsp tosca generator.
+ */
+public class ManualVspToscaGenerationService {
+
+  //Map of the abstract node template id and substitution node type
+  private Map<String, String> abstractSubstitutionIdTypes = new HashMap<>();
+  //Map of service template name and service template for the generated service templates
+  private Map<String, ServiceTemplate> generatedServiceTemplates = new HashMap<>();
+
+
+  /**
+   * Create manual vsp tosca service model tosca service model.
+   *
+   * @param vspModelInfo the vsp model info
+   * @return the tosca service model
+   */
+  public ToscaServiceModel createManualVspToscaServiceModel(VspModelInfo vspModelInfo) {
+    ToscaServiceModel toscaServiceModel = new ToscaServiceModel();
+    ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+    Map<String, ServiceTemplate> serviceTemplates = new HashMap<>(GlobalTypesGenerator
+        .getGlobalTypesServiceTemplate());
+    toscaServiceModel.setServiceTemplates(serviceTemplates);
+    toscaServiceModel.setEntryDefinitionServiceTemplate(Constants.MAIN_TEMPLATE_NAME
+        + TOSCA_SERVICE_TEMPLATE_FILE_NAME_SUFFIX);
+    createToscaFromVspData(vspModelInfo, toscaServiceModel);
+    for (Map.Entry<String, ServiceTemplate> serviceTemplateEntry :
+        generatedServiceTemplates.entrySet()) {
+      ToscaUtil.addServiceTemplateToMapWithKeyFileName(serviceTemplates, serviceTemplateEntry
+          .getValue());
+    }
+    return toscaServiceModel;
+  }
+
+  private void createToscaFromVspData(VspModelInfo vspModelInfo,
+                                        ToscaServiceModel toscaServiceModel) {
+    List<ServiceTemplate> serviceTemplates = new ArrayList<>();
+    //Only one component supported
+    Optional<String> componentName = getComponentNameFromVspModel(vspModelInfo);
+    if (componentName.isPresent()) {
+      //Create main service template
+      ServiceTemplate mainServiceTemplate = createMainServiceTemplate(vspModelInfo);
+      generatedServiceTemplates.put(Constants.MAIN_TEMPLATE_NAME, mainServiceTemplate);
+      //Create substitution service template
+      for (Map.Entry<String, String> entry : abstractSubstitutionIdTypes.entrySet()) {
+        ServiceTemplate substitutionServiceTemplate =
+            createSubstitutionServiceTemplate(componentName.get(), entry.getValue(), vspModelInfo,
+                toscaServiceModel);
+        generatedServiceTemplates.put(componentName.get(), substitutionServiceTemplate);
+      }
+    }
+
+  }
+
+  private Optional<String> getComponentNameFromVspModel(VspModelInfo vspModelInfo) {
+    String componentName = null;
+    if (MapUtils.isNotEmpty(vspModelInfo.getComponents())) {
+      //supported for single component only
+      componentName = vspModelInfo.getComponents().entrySet().iterator().next().getValue();
+    }
+    return Optional.ofNullable(componentName);
+  }
+
+  private ServiceTemplate createMainServiceTemplate(VspModelInfo vspModelInfo) {
+    ServiceTemplate mainServiceTemplate = createInitMainServiceTemplate(vspModelInfo
+        .getReleaseVendor());
+    Map<String, String> components = vspModelInfo.getComponents();
+    if (MapUtils.isNotEmpty(components)) {
+      //Currently since only one component is supported we can fetch the component in this manner.
+      // May be need to revisited for supporting multiple components
+      String componentId = components.entrySet().iterator().next().getKey();
+      createVnfConfigurationNodeTemplate(mainServiceTemplate, vspModelInfo);
+      createComponentNodeTemplate(mainServiceTemplate, vspModelInfo, componentId);
+      createVnfNodeTemplate(mainServiceTemplate, vspModelInfo);
+    }
+    return mainServiceTemplate;
+  }
+
+  private void createVnfConfigurationNodeTemplate(ServiceTemplate mainServiceTemplate,
+                                                  VspModelInfo vspModelInfo) {
+    Optional<String> componentName = getComponentNameFromVspModel(vspModelInfo);
+    if (componentName.isPresent()) {
+      NodeTemplate vnfConfigurationNodeTemplate = new NodeTemplate();
+      vnfConfigurationNodeTemplate.setType(ToscaNodeType.VNF_CONFIG_NODE_TYPE);
+      if (Objects.nonNull(vspModelInfo.getAllowedFlavors())) {
+        Map<String, Object> properties = new LinkedHashMap<>();
+        properties.put(ALLOWED_FLAVORS_PROPERTY, vspModelInfo.getAllowedFlavors());
+        vnfConfigurationNodeTemplate.setProperties(properties);
+      }
+      String nodeTemplateId = componentName.get() + VNF_CONFIG_NODE_TEMPLATE_ID_SUFFIX;
+      DataModelUtil.addNodeTemplate(mainServiceTemplate, nodeTemplateId,
+          vnfConfigurationNodeTemplate);
+    }
+  }
+
+  private void createComponentNodeTemplate(ServiceTemplate mainServiceTemplate,
+                                                  VspModelInfo vspModelInfo,
+                                                  String componentId) {
+    Optional<String> componentName = getComponentNameFromVspModel(vspModelInfo);
+    if (componentName.isPresent()) {
+      NodeTemplate vfcNodeTemplate = new NodeTemplate();
+      vfcNodeTemplate.setType(ToscaNodeType.MULTIFLAVOR_VFC_NODE_TYPE);
+      Map<String, Object> properties = new LinkedHashMap<>();
+      if (MapUtils.isNotEmpty(vspModelInfo.getMultiFlavorVfcImages())) {
+        List<MultiFlavorVfcImage> componentImages =
+            vspModelInfo.getMultiFlavorVfcImages().get(componentId);
+        Map<String, MultiFlavorVfcImage> vfcImages = new HashMap<>();
+        for (MultiFlavorVfcImage image : componentImages) {
+          vfcImages.put(image.getSoftware_version(), image);
+        }
+        properties.put(IMAGES_PROPERTY, vfcImages);
+        vfcNodeTemplate.setProperties(properties);
+      }
+      String nodeTemplateId = componentName.get() + VFC_NODE_TEMPLATE_ID_SUFFIX;
+      DataModelUtil.addNodeTemplate(mainServiceTemplate, nodeTemplateId,
+          vfcNodeTemplate);
+    }
+  }
+
+  private void createVnfNodeTemplate(ServiceTemplate mainServiceTemplate,
+                                      VspModelInfo vspModelInfo) {
+    Optional<String> componentName = getComponentNameFromVspModel(vspModelInfo);
+    if (componentName.isPresent()) {
+      NodeTemplate vnfNodeTemplate = new NodeTemplate();
+      String vnfNodeTemplateType =
+          ToscaNodeType.MULTIDEPLOYMENTFLAVOR_NODE_TYPE + "." + componentName.get();
+      vnfNodeTemplate.setType(vnfNodeTemplateType);
+      List<String> directiveList = new ArrayList<>();
+      directiveList.add(ToscaConstants.NODE_TEMPLATE_DIRECTIVE_SUBSTITUTABLE);
+      vnfNodeTemplate.setDirectives(directiveList);
+      vnfNodeTemplate.setProperties(new LinkedHashMap<>());
+      DataModelUtil
+          .addSubstitutionFilteringProperty(getSubstitutionServiceTemplateFileName(componentName
+                  .get()), vnfNodeTemplate, 1);
+      //Enable below if we need "abstract_" as prefix like we have in Unified model
+      //String nodeTemplateId =
+      // Constants.ABSTRACT_NODE_TEMPLATE_ID_PREFIX + componentName + "VNF_NODE_TEMPLATE_ID_SUFFIX";
+      String nodeTemplateId = componentName.get() + VNF_NODE_TEMPLATE_ID_SUFFIX;
+      DataModelUtil.addNodeTemplate(mainServiceTemplate, nodeTemplateId,
+          vnfNodeTemplate);
+      abstractSubstitutionIdTypes.put(componentName.get(), vnfNodeTemplateType);
+    }
+  }
+
+  private String getSubstitutionServiceTemplateFileName(String componentName) {
+    return componentName + TOSCA_SERVICE_TEMPLATE_FILE_NAME_SUFFIX;
+  }
+
+  private String getNodeTemplateId(String componentName, String idPrefix, String idSuffix) {
+    StringBuilder builder = new StringBuilder();
+    //builder.append(idPrefix);
+    builder.append(componentName);
+    builder.append(idSuffix);
+    return builder.toString();
+  }
+
+  private ServiceTemplate createInitMainServiceTemplate(String releaseVendor) {
+    ServiceTemplate mainServiceTemplate = new ServiceTemplate();
+    Map<String, String> templateMetadata = new HashMap<>();
+    templateMetadata.put(ToscaConstants.ST_METADATA_TEMPLATE_NAME, Constants.MAIN_TEMPLATE_NAME);
+    if (Objects.nonNull(releaseVendor)) {
+      templateMetadata.put(RELEASE_VENDOR, releaseVendor);
+    }
+    mainServiceTemplate.setTosca_definitions_version(ToscaConstants.TOSCA_DEFINITIONS_VERSION);
+    mainServiceTemplate.setMetadata(templateMetadata);
+    mainServiceTemplate.setTopology_template(new TopologyTemplate());
+    mainServiceTemplate.setImports(getImports());
+    return mainServiceTemplate;
+  }
+
+  private List<Map<String, Import>> getImports() {
+    Map<String, Import> globalSubstitutionTypeImportMap = new HashMap<>();
+    Import globalSubstitutionTypeImport = new Import();
+    globalSubstitutionTypeImport.setFile(ToscaUtil.getServiceTemplateFileName(Constants
+        .GLOBAL_SUBSTITUTION_TYPES_TEMPLATE_NAME));
+    globalSubstitutionTypeImportMap.put(Constants.GLOBAL_SUBSTITUTION_TYPES_TEMPLATE_NAME,
+        globalSubstitutionTypeImport);
+    Map<String, Import> globalImports = new HashMap<>();
+    List<Map<String, Import>> manualVspGlobalTypesImportList = GlobalTypesGenerator
+        .getManualVspGlobalTypesImportList();
+    manualVspGlobalTypesImportList.add(globalSubstitutionTypeImportMap);
+    return manualVspGlobalTypesImportList;
+  }
+
+  private ServiceTemplate createSubstitutionServiceTemplate(String serviceTemplateName,
+                                                            String substitutionNodeTypeId,
+                                                            VspModelInfo vspModelInfo,
+                                                            ToscaServiceModel toscaServiceModel) {
+    ServiceTemplate substitutionServiceTemplate =
+        createInitSubstitutionServiceTemplate(serviceTemplateName);
+    createSubstitutionServiceTemplateComponents(substitutionServiceTemplate, vspModelInfo,
+        toscaServiceModel);
+    createSubstitutionServiceTemplateNics(substitutionServiceTemplate, vspModelInfo,
+        toscaServiceModel);
+    handleSubstitutionMapping(substitutionServiceTemplate, toscaServiceModel,
+        substitutionNodeTypeId, serviceTemplateName);
+    return substitutionServiceTemplate;
+  }
+
+  private void createSubstitutionServiceTemplateComponents(ServiceTemplate
+                                                               substitutionServiceTemplate,
+                                                           VspModelInfo vspModelInfo,
+                                                           ToscaServiceModel toscaServiceModel) {
+    Map<String, String> components = vspModelInfo.getComponents();
+    if (MapUtils.isNotEmpty(components)) {
+      for (String componentId : components.keySet()) {
+        String componentName = components.get(componentId);
+        String localNodeTypeId =
+            createComponentDefinitionNodeTemplate(substitutionServiceTemplate, componentName);
+        createLocalNodeType(substitutionServiceTemplate, localNodeTypeId);
+      }
+    }
+  }
+
+  private void createSubstitutionServiceTemplateNics(ServiceTemplate substitutionServiceTemplate,
+                                                     VspModelInfo vspModelInfo,
+                                                     ToscaServiceModel toscaServiceModel) {
+    Map<String, List<Nic>> nics = vspModelInfo.getNics();
+    if (MapUtils.isNotEmpty(nics)) {
+      for (Map.Entry<String, List<Nic>> entry : nics.entrySet()) {
+        String componentId = entry.getKey();
+        String componentNodeTemplateId = getSubstitutionComponentNodeTemplateId(
+            vspModelInfo.getComponents().get(componentId));
+        List<Nic> nicList = entry.getValue();
+        if (CollectionUtils.isNotEmpty(nicList)) {
+          for (Nic nic : nicList) {
+            NodeTemplate nicNodeTemplate = new NodeTemplate();
+            nicNodeTemplate.setType(ToscaNodeType.NETWORK_PORT);
+            DataModelUtil.addBindingReqFromPortToCompute(componentNodeTemplateId, nicNodeTemplate);
+            DataModelUtil.addNodeTemplate(substitutionServiceTemplate,
+                getNicNodeTemplateId(nic.getName()), nicNodeTemplate);
+          }
+        }
+      }
+    }
+  }
+
+  private String getSubstitutionComponentNodeTemplateId(String componentName) {
+    //TODO: Confirm if anything else is needed here
+    return componentName;
+  }
+
+  private String getNicNodeTemplateId(String nicName) {
+    StringBuilder builder = new StringBuilder();
+    builder.append(nicName);
+    builder.append(PORT_NODE_TEMPLATE_ID_SUFFIX);
+    return builder.toString();
+  }
+
+  private String createComponentDefinitionNodeTemplate(ServiceTemplate substitutionServiceTemplate,
+                                                       String componentName) {
+    NodeTemplate nodeTemplate = new NodeTemplate();
+    String localNodeTypeId = getLocalNodeTypeId(componentName);
+    nodeTemplate.setType(localNodeTypeId);
+    DataModelUtil.addNodeTemplate(substitutionServiceTemplate, componentName, nodeTemplate);
+    return localNodeTypeId;
+  }
+
+  private void createLocalNodeType(ServiceTemplate substitutionServiceTemplate,
+                                   String localNodeTypeId) {
+    NodeType localNodeType = new NodeType();
+    localNodeType.setDerived_from(ToscaNodeType.COMPUTE);
+    DataModelUtil.addNodeType(substitutionServiceTemplate, localNodeTypeId, localNodeType );
+  }
+
+  private String getLocalNodeTypeId(String componentName) {
+    return ToscaNodeType.VFC_NODE_TYPE_PREFIX + componentName;
+  }
+
+  private ServiceTemplate createInitSubstitutionServiceTemplate(String serviceTemplateName) {
+    ServiceTemplate substitutionServiceTemplate = new ServiceTemplate();
+    Map<String, String> templateMetadata = new HashMap<>();
+    substitutionServiceTemplate.setTosca_definitions_version(ToscaConstants
+        .TOSCA_DEFINITIONS_VERSION);
+    templateMetadata.put(ToscaConstants.ST_METADATA_TEMPLATE_NAME, serviceTemplateName);
+    substitutionServiceTemplate.setMetadata(templateMetadata);
+    substitutionServiceTemplate.setTopology_template(new TopologyTemplate());
+    substitutionServiceTemplate.setImports(getImports());
+    return substitutionServiceTemplate;
+  }
+
+  private void handleSubstitutionMapping(ServiceTemplate substitutionServiceTemplate,
+                                         ToscaServiceModel toscaServiceModel,
+                                         String substitutionNodeTypeId,
+                                         String componentName) {
+    ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+    ServiceTemplate globalSubstitutionServiceTemplate = fetchGlobalSubstitutionServiceTemplate();
+    NodeType substitutionNodeType =
+        createGlobalSubstitutionNodeType(substitutionServiceTemplate, componentName);
+    DataModelUtil.addNodeType(globalSubstitutionServiceTemplate, substitutionNodeTypeId,
+        substitutionNodeType);
+
+    Map<String, Map<String, List<String>>> substitutionMapping =
+        GeneratorUtils.getSubstitutionNodeTypeExposedConnectionPoints(substitutionNodeType,
+            substitutionServiceTemplate, toscaServiceModel);
+    if (Objects.nonNull(substitutionMapping)) {
+      //add substitution mapping after capability and requirement expose calculation
+      substitutionServiceTemplate.getTopology_template().setSubstitution_mappings(
+          DataModelUtil.createSubstitutionTemplateSubMapping(substitutionNodeTypeId,
+              substitutionNodeType, substitutionMapping));
+    }
+  }
+
+  //*************** CREATE GLOBAL SUBSTITUTION SERVICE TEMPLATE **********************
+
+  private ServiceTemplate createGlobalSubstitutionServiceTemplate(ServiceTemplate
+                                                                      substitutionServiceTemplate,
+                                                                  String componentName) {
+    ServiceTemplate globalSubstitutionServiceTemplate = fetchGlobalSubstitutionServiceTemplate();
+    NodeType substitutionNodeType =
+        createGlobalSubstitutionNodeType(substitutionServiceTemplate, componentName);
+    String substitutionNodeTypeId = getSubstitutionNodeTypeId(componentName);
+    DataModelUtil.addNodeType(globalSubstitutionServiceTemplate, substitutionNodeTypeId,
+        substitutionNodeType);
+    return globalSubstitutionServiceTemplate;
+  }
+
+  private ServiceTemplate createInitGlobalSubstitutionServiceTemplate() {
+    ServiceTemplate globalSubstitutionServiceTemplate = new ServiceTemplate();
+    Map<String, String> templateMetadata = new HashMap<>();
+    globalSubstitutionServiceTemplate.setTosca_definitions_version(ToscaConstants
+        .TOSCA_DEFINITIONS_VERSION);
+    templateMetadata.put(ToscaConstants.ST_METADATA_TEMPLATE_NAME,
+        Constants.GLOBAL_SUBSTITUTION_TYPES_TEMPLATE_NAME);
+    globalSubstitutionServiceTemplate.setMetadata(templateMetadata);
+    globalSubstitutionServiceTemplate.setImports(getImports());
+    return globalSubstitutionServiceTemplate;
+  }
+
+  private NodeType createGlobalSubstitutionNodeType(ServiceTemplate substitutionServiceTemplate,
+                                                String componentName) {
+    NodeType substitutionNodeType = new ToscaAnalyzerServiceImpl()
+        .createInitSubstitutionNodeType(substitutionServiceTemplate,
+            ToscaNodeType.VFC_ABSTRACT_SUBSTITUTE);
+    substitutionNodeType.setProperties(
+        getManualVspSubstitutionNodeTypeProperties(substitutionNodeType, componentName));
+    return substitutionNodeType;
+  }
+
+  private Map<String, PropertyDefinition> getManualVspSubstitutionNodeTypeProperties(
+      NodeType substitutionNodeType, String componentName) {
+    //Create num_cpus property
+    PropertyDefinition numCpus = new PropertyDefinition();
+    numCpus.setType(PropertyType.INTEGER.getDisplayName());
+    numCpus.setDescription(NUM_CPUS_PROP_DESC_PREFIX + componentName);
+    numCpus.setRequired(true);
+    //Create disk_size property
+    PropertyDefinition diskSize = new PropertyDefinition();
+    diskSize.setType(PropertyType.SCALAR_UNIT_SIZE.getDisplayName());
+    diskSize.setDescription(DISK_SIZE_PROP_DESC_PREFIX + componentName);
+    diskSize.setRequired(true);
+    //Create mem_size property
+    PropertyDefinition memSize = new PropertyDefinition();
+    memSize.setType(PropertyType.SCALAR_UNIT_SIZE.getDisplayName());
+    memSize.setDescription(MEM_SIZE_PROP_DESC_PREFIX + componentName);
+    memSize.setRequired(true);
+
+    Map<String, PropertyDefinition> manualVspProperties = new LinkedHashMap<>();
+    manualVspProperties.put(NUM_CPUS, numCpus);
+    manualVspProperties.put(DISK_SIZE, diskSize);
+    manualVspProperties.put(MEM_SIZE, memSize);
+
+    return manualVspProperties;
+  }
+
+  private String getSubstitutionNodeTypeId(String componentName) {
+    return ToscaNodeType.MULTIDEPLOYMENTFLAVOR_NODE_TYPE + "." + componentName;
+  }
+
+  /**
+   * Fetch global substitution service template service template.
+   *
+   * @return the global substitution service template
+   */
+  private ServiceTemplate fetchGlobalSubstitutionServiceTemplate() {
+    ServiceTemplate globalSubstitutionServiceTemplate =
+        generatedServiceTemplates.get(Constants.GLOBAL_SUBSTITUTION_TYPES_TEMPLATE_NAME);
+    if (Objects.isNull(globalSubstitutionServiceTemplate)) {
+      globalSubstitutionServiceTemplate = createInitGlobalSubstitutionServiceTemplate();
+      generatedServiceTemplates.put(Constants.GLOBAL_SUBSTITUTION_TYPES_TEMPLATE_NAME,
+              globalSubstitutionServiceTemplate);
+    }
+    return globalSubstitutionServiceTemplate;
+  }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/utils/GeneratorUtils.java b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/utils/GeneratorUtils.java
new file mode 100644
index 0000000000..c13997b47c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/java/org/openecomp/sdc/generator/core/utils/GeneratorUtils.java
@@ -0,0 +1,244 @@
+package org.openecomp.sdc.generator.core.utils;
+
+import static org.openecomp.sdc.tosca.services.DataModelUtil.addSubstitutionNodeTypeRequirements;
+
+import org.openecomp.sdc.datatypes.error.ErrorLevel;
+import org.openecomp.sdc.logging.context.impl.MdcDataDebugMessage;
+import org.openecomp.sdc.logging.context.impl.MdcDataErrorMessage;
+import org.openecomp.sdc.logging.types.LoggerConstants;
+import org.openecomp.sdc.logging.types.LoggerErrorCode;
+import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
+import org.openecomp.sdc.tosca.datatypes.ToscaElementTypes;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.datatypes.model.CapabilityDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
+import org.openecomp.sdc.tosca.services.ToscaUtil;
+import org.openecomp.sdc.tosca.services.impl.ToscaAnalyzerServiceImpl;
+import org.openecomp.sdc.tosca.services.ToscaExtensionYamlUtil;
+import org.openecomp.sdc.vendorsoftwareproduct.VendorSoftwareProductConstants;
+import org.openecomp.sdc.vendorsoftwareproduct.dao.type.PackageInfo;
+import org.openecomp.sdc.vendorsoftwareproduct.dao.type.VspDetails;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * The type Generator utils.
+ */
+public class GeneratorUtils {
+
+  public static List<String> supportedCapabilities = new ArrayList<>();
+  public static List<String> supportedRequirements = new ArrayList<>();
+  protected static MdcDataDebugMessage mdcDataDebugMessage = new MdcDataDebugMessage();
+
+  static {
+    //TODO : Read from configuration
+    supportedCapabilities.addAll(Arrays.asList("host", "os", "endpoint", "scalable"));
+    supportedRequirements.addAll(Arrays.asList("link"));
+  }
+
+
+  /**
+   * Add service template to tosca service model.
+   *
+   * @param toscaServiceModel the tosca service model
+   * @param serviceTemplate   the service template
+   */
+  public static void addServiceTemplateToToscaServiceModel(ToscaServiceModel toscaServiceModel,
+                                                           ServiceTemplate serviceTemplate) {
+
+    String serviceTemplateFileName = ToscaUtil.getServiceTemplateFileName(serviceTemplate);
+    Map<String, ServiceTemplate> serviceTemplates = toscaServiceModel.getServiceTemplates();
+    if (!serviceTemplates.containsKey(serviceTemplateFileName)) {
+      ToscaUtil.addServiceTemplateToMapWithKeyFileName(serviceTemplates, serviceTemplate);
+    }
+    toscaServiceModel.setServiceTemplates(serviceTemplates);
+  }
+
+  /**
+   * Gets substitution node type exposed connection points.
+   *
+   * @param substitutionNodeType        the substitution node type
+   * @param substitutionServiceTemplate the substitution service template
+   * @param toscaServiceModel           the tosca service model
+   * @return the substitution node type exposed connection points
+   */
+  public static Map<String, Map<String, List<String>>>
+      getSubstitutionNodeTypeExposedConnectionPoints(NodeType substitutionNodeType,
+                                                 ServiceTemplate substitutionServiceTemplate,
+                                                 ToscaServiceModel toscaServiceModel) {
+
+    Map<String, NodeTemplate> nodeTemplates =
+        substitutionServiceTemplate.getTopology_template().getNode_templates();
+    String nodeTemplateId;
+    NodeTemplate nodeTemplate;
+    String nodeType;
+    Map<String, Map<String, List<String>>> substitutionMapping = new HashMap<>();
+    if (nodeTemplates == null) {
+      return substitutionMapping;
+    }
+
+    try {
+      Map<String, List<String>> capabilitySubstitutionMapping = new HashMap<>();
+      Map<String, List<String>> requirementSubstitutionMapping = new HashMap<>();
+      substitutionMapping.put("capability", capabilitySubstitutionMapping);
+      substitutionMapping.put("requirement", requirementSubstitutionMapping);
+      List<Map<String, RequirementDefinition>> nodeTypeRequirementsDefinition;
+      Map<String, RequirementAssignment> nodeTemplateRequirementsAssignment;
+      List<Map<String, RequirementDefinition>> exposedRequirementsDefinition;
+      Map<String, Map<String, RequirementAssignment>> fullFilledRequirementsDefinition =
+          new HashMap<>();
+      Map<String, CapabilityDefinition> nodeTypeCapabilitiesDefinition = new HashMap<>();
+      Map<String, CapabilityDefinition> exposedCapabilitiesDefinition;
+
+      ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+      for (Map.Entry<String, NodeTemplate> entry : nodeTemplates.entrySet()) {
+        nodeTemplateId = entry.getKey();
+        nodeTemplate = entry.getValue();
+        nodeType = nodeTemplate.getType();
+        NodeType flatNodeType = (NodeType) toscaAnalyzerService
+            .getFlatEntity(ToscaElementTypes.NODE_TYPE, nodeType, substitutionServiceTemplate,
+                toscaServiceModel);
+        // get requirements
+        nodeTypeRequirementsDefinition =
+            getNodeTypeRequirements(flatNodeType, nodeTemplateId, substitutionServiceTemplate,
+                requirementSubstitutionMapping);
+        nodeTemplateRequirementsAssignment =
+            DataModelUtil.getNodeTemplateRequirements(nodeTemplate);
+        fullFilledRequirementsDefinition.put(nodeTemplateId, nodeTemplateRequirementsAssignment);
+        //set substitution node type requirements
+        exposedRequirementsDefinition =
+            toscaAnalyzerService.calculateExposedRequirements(nodeTypeRequirementsDefinition,
+                nodeTemplateRequirementsAssignment);
+
+
+        //Filter unsupported requirements
+        Iterator<Map<String, RequirementDefinition>> iterator =
+            exposedRequirementsDefinition.iterator();
+        while (iterator.hasNext()) {
+          Map<String, RequirementDefinition> requirementDefinitionMap = iterator.next();
+          for (Map.Entry<String, RequirementDefinition> requirementDefinitionEntry :
+              requirementDefinitionMap.entrySet()) {
+            String requirementKey = requirementDefinitionEntry.getKey();
+            if (!supportedRequirements.contains(requirementKey)) {
+              iterator.remove();
+            }
+          }
+        }
+        addSubstitutionNodeTypeRequirements(substitutionNodeType, exposedRequirementsDefinition,
+            nodeTemplateId);
+        //get capabilities
+        addNodeTypeCapabilitiesToSubMapping(nodeTypeCapabilitiesDefinition,
+            capabilitySubstitutionMapping, nodeType,
+            nodeTemplateId, substitutionServiceTemplate, toscaServiceModel);
+      }
+
+      exposedCapabilitiesDefinition =
+          toscaAnalyzerService.calculateExposedCapabilities(nodeTypeCapabilitiesDefinition,
+              fullFilledRequirementsDefinition);
+
+      //Filter unsupported capabilities
+      Iterator<Map.Entry<String, CapabilityDefinition>> iterator = exposedCapabilitiesDefinition
+          .entrySet().iterator();
+      while (iterator.hasNext()) {
+        Map.Entry<String, CapabilityDefinition> capabilityDefinitionEntry = iterator.next();
+        //Expected Capability is of the format <capabilityId>_<componentName>
+        String capabilityKey = capabilityDefinitionEntry.getKey().split("_")[0];
+        if (!supportedCapabilities.contains(capabilityKey)) {
+          iterator.remove();
+        }
+      }
+
+      DataModelUtil.addNodeTypeCapabilitiesDef(substitutionNodeType, exposedCapabilitiesDefinition);
+    } catch (Exception ex) {
+      MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_API,
+          LoggerTragetServiceName.GENERATE_MANUAL_VSP_TOSCA, ErrorLevel.INFO.name(),
+          LoggerErrorCode.DATA_ERROR.getErrorCode(), "Error occured in get node type exposed "
+              + "points");
+      return null;
+    }
+    return substitutionMapping;
+  }
+
+  /**
+   * Gets node type requirements.
+   *
+   * @param flatNodeType                   the flat node type
+   * @param templateName                   the template name
+   * @param serviceTemplate                the service template
+   * @param requirementSubstitutionMapping the requirement substitution mapping
+   * @return the node type requirements
+   */
+  public static List<Map<String, RequirementDefinition>> getNodeTypeRequirements(
+      NodeType flatNodeType,
+      String templateName,
+      ServiceTemplate serviceTemplate,
+      Map<String, List<String>> requirementSubstitutionMapping) {
+    List<Map<String, RequirementDefinition>> requirementList = new ArrayList<>();
+    List<String> requirementMapping;
+    if (flatNodeType.getRequirements() != null) {
+      for (Map<String, RequirementDefinition> requirementMap : flatNodeType.getRequirements()) {
+        for (Map.Entry<String, RequirementDefinition> requirementNodeEntry : requirementMap
+            .entrySet()) {
+          ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+          RequirementDefinition requirementNodeEntryValue = toscaExtensionYamlUtil
+              .yamlToObject(toscaExtensionYamlUtil.objectToYaml(requirementNodeEntry.getValue()),
+                  RequirementDefinition.class);
+          if (requirementNodeEntryValue.getOccurrences() == null) {
+            requirementNodeEntryValue.setOccurrences(new Object[]{1, 1});
+          }
+          Map<String, RequirementDefinition> requirementDef = new HashMap<>();
+          requirementDef.put(requirementNodeEntry.getKey(), requirementNodeEntryValue);
+          DataModelUtil.addRequirementToList(requirementList, requirementDef);
+          requirementMapping = new ArrayList<>();
+          requirementMapping.add(templateName);
+          requirementMapping.add(requirementNodeEntry.getKey());
+          requirementSubstitutionMapping
+              .put(requirementNodeEntry.getKey() + "_" + templateName, requirementMapping);
+          if (requirementNodeEntryValue.getNode() == null) {
+            requirementNodeEntryValue.setOccurrences(new Object[]{1, 1});
+          }
+        }
+      }
+    }
+    return requirementList;
+  }
+
+  private static void addNodeTypeCapabilitiesToSubMapping(
+      Map<String, CapabilityDefinition> nodeTypeCapabilitiesDefinition,
+      Map<String, List<String>> capabilitySubstitutionMapping, String type, String templateName,
+      ServiceTemplate substitutionServiceTemplate, ToscaServiceModel toscaServiceModel) {
+    mdcDataDebugMessage.debugEntryMessage(null, null);
+
+    ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+    NodeType flatNodeType = (NodeType) toscaAnalyzerService
+        .getFlatEntity(ToscaElementTypes.NODE_TYPE, type, substitutionServiceTemplate,
+            toscaServiceModel);
+    String capabilityKey;
+    List<String> capabilityMapping;
+    if (flatNodeType.getCapabilities() != null) {
+      for (Map.Entry<String, CapabilityDefinition> capabilityNodeEntry : flatNodeType
+          .getCapabilities()
+          .entrySet()) {
+        capabilityKey = capabilityNodeEntry.getKey() + "_" + templateName;
+        nodeTypeCapabilitiesDefinition.put(capabilityKey, capabilityNodeEntry.getValue().clone());
+        capabilityMapping = new ArrayList<>();
+        capabilityMapping.add(templateName);
+        capabilityMapping.add(capabilityNodeEntry.getKey());
+        capabilitySubstitutionMapping.put(capabilityKey, capabilityMapping);
+      }
+    }
+    mdcDataDebugMessage.debugExitMessage(null, null);
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/resources/config-manualVspToscaGenerator.json b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/resources/config-manualVspToscaGenerator.json
new file mode 100644
index 0000000000..b7d49cf9be
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-tosca-generator-lib/openecomp-sdc-tosca-generator-core/src/main/resources/config-manualVspToscaGenerator.json
@@ -0,0 +1,5 @@
+{
+   "_config": {
+    "namespace": "manualVspToscaGenerator"
+  }
+}