Implement policy element convertion during onboarding VSP

Implement absent policy convertion.

Add test data for policies section convertion and
explicit test for checking if policies been converted.

Change-Id: I7d431a22922e1f9da0fbf0de4654995c3da42fcb
Issue-ID: SDC-2727
Signed-off-by: Dmitry Puzikov <d.puzikov2@partner.samsung.com>

13 files changed, 997 insertions, 154 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/ServiceTemplateReaderService.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/ServiceTemplateReaderService.java
index 3b861e425d..8a97957be9 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/ServiceTemplateReaderService.java
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/ServiceTemplateReaderService.java
@@ -26,23 +26,25 @@ import java.util.Map;
 
 public interface ServiceTemplateReaderService {
 
-  Map<String, Object> readServiceTemplate(byte[] serivceTemplateContent);
+    Map<String, Object> readServiceTemplate(byte[] serivceTemplateContent);
 
-  Object getMetadata();
+    Object getMetadata();
 
-  Object getToscaVersion();
+    Object getToscaVersion();
 
-  Map<String, Object> getNodeTypes();
+    Map<String, Object> getNodeTypes();
 
-  Object getTopologyTemplate();
+    Object getTopologyTemplate();
 
-  Map<String, Object> getNodeTemplates();
+    Map<String, Object> getNodeTemplates();
 
-  Map<String, Object> getInputs();
+    Map<String, Object> getInputs();
 
-  Map<String, Object> getOutputs();
+    Map<String, Object> getOutputs();
 
-  Map<String, Object> getSubstitutionMappings();
+    Map<String, Object> getSubstitutionMappings();
 
-  List<Object> getImports();
+    List<Object> getImports();
+
+    Map<String, Object> getPolicies();
 }
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/datatypes/Constants.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/datatypes/Constants.java
index 90ce3f6f6b..18e6a49aa5 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/datatypes/Constants.java
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/datatypes/Constants.java
@@ -19,44 +19,45 @@ package org.openecomp.core.converter.datatypes;
 import java.io.File;
 
 public class Constants {
-  public static final String mainStName = "MainServiceTemplate.yaml";
-  public static final String globalStName = "GlobalSubstitutionTypesServiceTemplate.yaml";
-  public static final String manifestFileName = "MainServiceTemplate.mf";
-  public static final String definitionsDir = "Definitions/";
-  public static final String metadataFile = "TOSCA-Metadata/TOSCA.meta";
+    public static final String mainStName = "MainServiceTemplate.yaml";
+    public static final String globalStName = "GlobalSubstitutionTypesServiceTemplate.yaml";
+    public static final String manifestFileName = "MainServiceTemplate.mf";
+    public static final String definitionsDir = "Definitions/";
+    public static final String metadataFile = "TOSCA-Metadata/TOSCA.meta";
 
 
-  public static final String definitionVersion = "tosca_definitions_version";
-  private static final String DEFAULT_NAMESPACE = "tosca_default_namespace";
-  private static final String TEMPLATE_NAME = "template_name";
-  public static final String topologyTemplate = "topology_template";
-  private static final String TEMPLATE_AUTHOR = "template_author";
-  private static final String TEMPLATE_VERSION = "template_version";
-  private static final String DESCRIPTION = "description";
-  private static final String IMPORTS = "imports";
-  private static final String DSL_DEFINITIONS = "dsl_definitions";
-  public static final String nodeType = "node_type";
-  public static final String nodeTypes = "node_types";
-  private static final String RELATIONSHIP_TYPES = "relationship_types";
-  private static final String RELATIONSHIP_TEMPLATES = "relationship_templates";
-  private static final String CAPABILITY_TYPES = "capability_types";
-  private static final String ARTIFACT_TYPES = "artifact_types";
-  private static final String DATA_TYPES = "data_types";
-  private static final String INTERFACE_TYPES = "interface_types";
-  private static final String POLICY_TYPES = "policy_types";
-  private static final String GROUP_TYPES = "group_types";
-  private static final String REPOSITORIES = "repositories";
-  public static final String metadata = "metadata";
-  public static final String nodeTemplates = "node_templates";
-  public static final String inputs = "inputs";
-  public static final String outputs = "outputs";
-  public static final String substitutionMappings = "substitution_mappings";
-  public static final String capabilities = "capabilities";
-  public static final String requirements = "requirements";
+    public static final String definitionVersion = "tosca_definitions_version";
+    private static final String DEFAULT_NAMESPACE = "tosca_default_namespace";
+    private static final String TEMPLATE_NAME = "template_name";
+    public static final String topologyTemplate = "topology_template";
+    private static final String TEMPLATE_AUTHOR = "template_author";
+    private static final String TEMPLATE_VERSION = "template_version";
+    private static final String DESCRIPTION = "description";
+    private static final String IMPORTS = "imports";
+    private static final String DSL_DEFINITIONS = "dsl_definitions";
+    public static final String nodeType = "node_type";
+    public static final String nodeTypes = "node_types";
+    private static final String RELATIONSHIP_TYPES = "relationship_types";
+    private static final String RELATIONSHIP_TEMPLATES = "relationship_templates";
+    private static final String CAPABILITY_TYPES = "capability_types";
+    private static final String ARTIFACT_TYPES = "artifact_types";
+    private static final String DATA_TYPES = "data_types";
+    private static final String INTERFACE_TYPES = "interface_types";
+    private static final String POLICY_TYPES = "policy_types";
+    private static final String GROUP_TYPES = "group_types";
+    private static final String REPOSITORIES = "repositories";
+    public static final String metadata = "metadata";
+    public static final String nodeTemplates = "node_templates";
+    public static final String inputs = "inputs";
+    public static final String outputs = "outputs";
+    public static final String substitutionMappings = "substitution_mappings";
+    public static final String capabilities = "capabilities";
+    public static final String requirements = "requirements";
+    public static final String POLICIES = "policies";
 
-  public static final String openecompHeatIndex = "openecomp_heat_index";
-  public static final String ONAP_INDEX = "onap_index";
-  public static final String globalSubstitution = "GlobalSubstitutionTypes";
+    public static final String openecompHeatIndex = "openecomp_heat_index";
+    public static final String ONAP_INDEX = "onap_index";
+    public static final String globalSubstitution = "GlobalSubstitutionTypes";
 
-  public static final String externalFilesFolder = "External" + File.separator;
+    public static final String externalFilesFolder = "External" + File.separator;
 }
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/VnfTopologyTemplateConverter.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/VnfTopologyTemplateConverter.java
index e6978bcfe1..b676fb2fad 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/VnfTopologyTemplateConverter.java
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/VnfTopologyTemplateConverter.java
@@ -28,9 +28,11 @@ import org.onap.sdc.tosca.datatypes.model.CapabilityAssignment;
 import org.onap.sdc.tosca.datatypes.model.NodeFilter;
 import org.onap.sdc.tosca.datatypes.model.NodeTemplate;
 import org.onap.sdc.tosca.datatypes.model.ParameterDefinition;
+import org.onap.sdc.tosca.datatypes.model.PolicyDefinition;
 import org.onap.sdc.tosca.datatypes.model.RequirementAssignment;
 import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
 import org.onap.sdc.tosca.datatypes.model.SubstitutionMapping;
+import org.onap.sdc.tosca.datatypes.model.Trigger;
 import org.openecomp.core.converter.ServiceTemplateReaderService;
 import org.openecomp.core.converter.datatypes.Constants;
 import org.openecomp.core.converter.errors.SubstitutionMappingsConverterErrorBuilder;
@@ -51,64 +53,54 @@ import static org.openecomp.core.converter.datatypes.Constants.requirements;
 
 public class VnfTopologyTemplateConverter {
 
-    public void convertTopologyTemplate(ServiceTemplate serviceTemplate,
-                                         ServiceTemplateReaderService readerService) {
-
+    public void convertTopologyTemplate(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) {
         convertInputs(serviceTemplate, readerService);
         convertNodeTemplates(serviceTemplate, readerService);
         convertOutputs(serviceTemplate, readerService);
         convertSubstitutionMappings(serviceTemplate, readerService);
+        convertPolicies(serviceTemplate, readerService);
     }
 
-    private void convertInputs(ServiceTemplate serviceTemplate,
-                               ServiceTemplateReaderService readerService) {
+    private void convertInputs(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) {
         Map<String, Object> inputs = readerService.getInputs();
         addInputsOrOutputsToServiceTemplate(serviceTemplate, inputs, Constants.inputs);
     }
 
-    private void convertOutputs(ServiceTemplate serviceTemplate,
-                                ServiceTemplateReaderService readerService) {
+    private void convertOutputs(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) {
         Map<String, Object> outputs = readerService.getOutputs();
         addInputsOrOutputsToServiceTemplate(serviceTemplate, outputs, Constants.outputs);
     }
 
-    private void addInputsOrOutputsToServiceTemplate(ServiceTemplate serviceTemplate,
-                                                     Map<String, Object> mapToConvert,
-                                                     String inputsOrOutputs) {
+    private void addInputsOrOutputsToServiceTemplate(ServiceTemplate serviceTemplate, Map<String, Object> mapToConvert,
+            String inputsOrOutputs) {
         if (MapUtils.isEmpty(mapToConvert)) {
             return;
         }
 
         for (Map.Entry<String, Object> entry : mapToConvert.entrySet()) {
-            Optional<ParameterDefinition> parameterDefinition =
-                    ToscaConverterUtil.createObjectFromClass(
-                            entry.getKey(), entry.getValue(), ParameterDefinition.class);
+            Optional<ParameterDefinition> parameterDefinition = ToscaConverterUtil.createObjectFromClass(entry.getKey(),
+                    entry.getValue(), ParameterDefinition.class);
 
             parameterDefinition.ifPresent(parameterDefinitionValue -> {
                 Optional<Object> defaultValue =
                         ToscaConverterUtil.getDefaultValue(entry.getValue(), parameterDefinition.get());
                 defaultValue.ifPresent(parameterDefinitionValue::set_default);
-                addToServiceTemplateAccordingToSection(
-                        serviceTemplate, inputsOrOutputs, entry.getKey(), parameterDefinition.get());
+                addToServiceTemplateAccordingToSection(serviceTemplate, inputsOrOutputs, entry.getKey(),
+                        parameterDefinition.get());
             });
         }
     }
 
-    private void addToServiceTemplateAccordingToSection(ServiceTemplate serviceTemplate,
-                                                        String inputsOrOutputs,
-                                                        String parameterId,
-                                                        ParameterDefinition parameterDefinition) {
+    private void addToServiceTemplateAccordingToSection(ServiceTemplate serviceTemplate, String inputsOrOutputs,
+            String parameterId, ParameterDefinition parameterDefinition) {
         if (inputsOrOutputs.equals(inputs)) {
-            DataModelUtil
-                    .addInputParameterToTopologyTemplate(serviceTemplate, parameterId, parameterDefinition);
+            DataModelUtil.addInputParameterToTopologyTemplate(serviceTemplate, parameterId, parameterDefinition);
         } else if (inputsOrOutputs.equals(outputs)) {
-            DataModelUtil
-                    .addOutputParameterToTopologyTemplate(serviceTemplate, parameterId, parameterDefinition);
+            DataModelUtil.addOutputParameterToTopologyTemplate(serviceTemplate, parameterId, parameterDefinition);
         }
     }
 
-    private void convertNodeTemplates(ServiceTemplate serviceTemplate,
-                                      ServiceTemplateReaderService readerService) {
+    private void convertNodeTemplates(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) {
         Map<String, Object> nodeTemplates = readerService.getNodeTemplates();
         if (MapUtils.isEmpty(nodeTemplates)) {
             return;
@@ -129,15 +121,12 @@ public class VnfTopologyTemplateConverter {
         nodeTemplate.setCopy((String) nodeTemplateAsMap.get("copy"));
         nodeTemplate.setDescription((String) nodeTemplateAsMap.get("description"));
         nodeTemplate.setDirectives((List<String>) nodeTemplateAsMap.get("directives"));
-        nodeTemplate.setInterfaces(
-                (Map<String, Object>) nodeTemplateAsMap.get("interfaces"));
+        nodeTemplate.setInterfaces((Map<String, Object>) nodeTemplateAsMap.get("interfaces"));
         nodeTemplate.setNode_filter((NodeFilter) nodeTemplateAsMap.get("node_filter"));
         nodeTemplate.setProperties((Map<String, Object>) nodeTemplateAsMap.get("properties"));
-        nodeTemplate.setRequirements(
-                (List<Map<String, RequirementAssignment>>) nodeTemplateAsMap.get("requirements"));
+        nodeTemplate.setRequirements((List<Map<String, RequirementAssignment>>) nodeTemplateAsMap.get("requirements"));
         nodeTemplate.setType((String) nodeTemplateAsMap.get("type"));
-        nodeTemplate.setCapabilities(
-                convertCapabilities((Map<String, Object>) nodeTemplateAsMap.get("capabilities")));
+        nodeTemplate.setCapabilities(convertCapabilities((Map<String, Object>) nodeTemplateAsMap.get("capabilities")));
 
         return nodeTemplate;
     }
@@ -149,19 +138,20 @@ public class VnfTopologyTemplateConverter {
 
         Map<String, CapabilityAssignment> convertedCapabilities = new HashMap<>();
         for (Map.Entry<String, Object> capabilityAssignmentEntry : capabilities.entrySet()) {
-            Optional<CapabilityAssignment> capabilityAssignment = ToscaConverterUtil.createObjectFromClass
-                    (capabilityAssignmentEntry.getKey(), capabilityAssignmentEntry.getValue(),
-                            CapabilityAssignment.class);
+            Optional<CapabilityAssignment> capabilityAssignment = ToscaConverterUtil.createObjectFromClass(
+                    capabilityAssignmentEntry.getKey(), capabilityAssignmentEntry.getValue(),
+                    CapabilityAssignment.class);
 
-            capabilityAssignment.ifPresent(capabilityAssignmentValue ->
-                    convertedCapabilities.put(capabilityAssignmentEntry.getKey(), capabilityAssignmentValue));
+            capabilityAssignment.ifPresent(capabilityAssignmentValue -> convertedCapabilities
+                                                                                .put(capabilityAssignmentEntry.getKey(),
+                                                                                        capabilityAssignmentValue));
 
         }
         return convertedCapabilities;
     }
 
     private void convertSubstitutionMappings(ServiceTemplate serviceTemplate,
-                                             ServiceTemplateReaderService readerService) {
+            ServiceTemplateReaderService readerService) {
         Map<String, Object> substitutionMappings = readerService.getSubstitutionMappings();
         if (MapUtils.isEmpty(substitutionMappings)) {
             return;
@@ -170,8 +160,7 @@ public class VnfTopologyTemplateConverter {
         DataModelUtil.addSubstitutionMapping(serviceTemplate, substitutionMapping);
     }
 
-    private SubstitutionMapping convertSubstitutionMappings(
-            Map<String, Object> substitutionMappings) {
+    private SubstitutionMapping convertSubstitutionMappings(Map<String, Object> substitutionMappings) {
         SubstitutionMapping substitutionMapping = new SubstitutionMapping();
 
         substitutionMapping.setNode_type((String) substitutionMappings.get(nodeType));
@@ -183,17 +172,15 @@ public class VnfTopologyTemplateConverter {
         return substitutionMapping;
     }
 
-    private Map<String, List<String>> convertSubstitutionMappingsSections(String sectionName,
-                                                                          Object sectionToConvert) {
+    private Map<String, List<String>> convertSubstitutionMappingsSections(String sectionName, Object sectionToConvert) {
 
         if (Objects.isNull(sectionToConvert)) {
             return null;
         }
 
         if (!(sectionToConvert instanceof Map)) {
-            throw new CoreException(
-                    new SubstitutionMappingsConverterErrorBuilder(
-                            sectionName, sectionToConvert.getClass().getSimpleName()).build());
+            throw new CoreException(new SubstitutionMappingsConverterErrorBuilder(sectionName,
+                    sectionToConvert.getClass().getSimpleName()).build());
         }
 
         return convertSection(sectionToConvert);
@@ -217,4 +204,24 @@ public class VnfTopologyTemplateConverter {
         return convertedSection;
     }
 
+    private void convertPolicies(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) {
+        Map<String, Object> policiesAsMap = readerService.getPolicies();
+        for (Map.Entry<String, Object> policy : policiesAsMap.entrySet()) {
+            PolicyDefinition policyDefinition = convertPolicy(policy.getValue());
+            DataModelUtil.addPolicyDefinition(serviceTemplate, policy.getKey(), policyDefinition);
+        }
+    }
+
+    private PolicyDefinition convertPolicy(Object policyCandidate) {
+        PolicyDefinition policyDefinition = new PolicyDefinition();
+        Map<String, Object> policy = (Map<String, Object>) policyCandidate;
+        policyDefinition.setDescription((String) policy.get("description"));
+        policyDefinition.setType((String) policy.get("type"));
+        policyDefinition.setMetadata((Map<String, String>) policy.get("metadata"));
+        policyDefinition.setProperties((Map<String, Object>) policy.get("properties"));
+        policyDefinition.setTargets((List<String>) policy.get("targets"));
+        policyDefinition.setTriggers((Map<String, Trigger>) policy.get("triggers"));
+
+        return policyDefinition;
+    }
 }
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java
index 44b0c80e24..f41caff349 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java
@@ -33,68 +33,78 @@ import static org.openecomp.core.converter.datatypes.Constants.*;
 
 public class ServiceTemplateReaderServiceImpl implements ServiceTemplateReaderService {
 
-  private Map<String, Object> readServiceTemplate = new HashMap<>();
-
-  public ServiceTemplateReaderServiceImpl(byte[] serviceTemplateContent){
-    this.readServiceTemplate = readServiceTemplate(serviceTemplateContent);
-  }
-
-  @Override
-  public Map<String, Object> readServiceTemplate(byte[] serviceTemplateContent) {
-
-    return
-        new YamlUtil().yamlToObject(new String(serviceTemplateContent), Map.class);
-
-  }
-
-  @Override
-  public List<Object> getImports(){
-    return Objects.isNull(this.readServiceTemplate.get("imports")) ?
-            new ArrayList<>() : (List<Object>) this.readServiceTemplate.get("imports");
-  }
-
-  @Override
-  public Object getMetadata(){
-    return this.readServiceTemplate.get(metadata);
-  }
-
-  @Override
-  public Object getToscaVersion(){
-    return this.readServiceTemplate.get(definitionVersion);
-  }
-
-  @Override
-  public Map<String, Object> getNodeTypes(){
-    return Objects.isNull(this.readServiceTemplate.get(nodeTypes)) ? new HashMap<>()
-        :(Map<String, Object>) this.readServiceTemplate.get(nodeTypes);
-  }
-
-  @Override
-  public Object getTopologyTemplate(){
-    return this.readServiceTemplate.get(topologyTemplate);
-  }
-
-  @Override
-  public Map<String, Object> getNodeTemplates(){
-    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
-        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(nodeTemplates);
-  }
-
-  @Override
-  public Map<String, Object> getInputs(){
-    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
-        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(inputs);
-  }
-
-  @Override
-  public Map<String, Object> getOutputs(){
-    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
-        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(outputs);
-  }
-
-  @Override
-  public Map<String, Object> getSubstitutionMappings(){
-    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
-        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(substitutionMappings);
-  }
+    private Map<String, Object> readServiceTemplate = new HashMap<>();
+
+    public ServiceTemplateReaderServiceImpl(byte[] serviceTemplateContent) {
+        this.readServiceTemplate = readServiceTemplate(serviceTemplateContent);
+    }
+
+    @Override
+    public Map<String, Object> readServiceTemplate(byte[] serviceTemplateContent) {
+
+        return new YamlUtil().yamlToObject(new String(serviceTemplateContent), Map.class);
+
+    }
+
+    @Override
+    public List<Object> getImports() {
+        return Objects.isNull(this.readServiceTemplate.get("imports")) ? new ArrayList<>()
+                       : (List<Object>) this.readServiceTemplate.get("imports");
+    }
+
+    @Override
+    public Map<String, Object> getPolicies() {
+        Map<String, Object> policiesAsMap = new HashMap<>();
+        if (!Objects.isNull(this.getTopologyTemplate()) && !Objects.isNull(
+                ((Map<String, Object>) this.getTopologyTemplate()).get(POLICIES))) {
+            policiesAsMap = (Map<String, Object>) ((Map<String, Object>) this.getTopologyTemplate()).get(POLICIES);
+        }
+        return policiesAsMap;
+    }
+
+    @Override
+    public Object getMetadata() {
+        return this.readServiceTemplate.get(metadata);
+    }
+
+    @Override
+    public Object getToscaVersion() {
+        return this.readServiceTemplate.get(definitionVersion);
+    }
+
+    @Override
+    public Map<String, Object> getNodeTypes() {
+        return Objects.isNull(this.readServiceTemplate.get(nodeTypes)) ? new HashMap<>()
+                       : (Map<String, Object>) this.readServiceTemplate.get(nodeTypes);
+    }
+
+    @Override
+    public Object getTopologyTemplate() {
+        return this.readServiceTemplate.get(topologyTemplate);
+    }
+
+    @Override
+    public Map<String, Object> getNodeTemplates() {
+        return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+                       : (Map<String, Object>) ((Map<String, Object>) this.getTopologyTemplate()).get(nodeTemplates);
+    }
+
+    @Override
+    public Map<String, Object> getInputs() {
+        return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+                       : (Map<String, Object>) ((Map<String, Object>) this.getTopologyTemplate()).get(inputs);
+    }
+
+    @Override
+    public Map<String, Object> getOutputs() {
+        return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+                       : (Map<String, Object>) ((Map<String, Object>) this.getTopologyTemplate()).get(outputs);
+    }
+
+    @Override
+    public Map<String, Object> getSubstitutionMappings() {
+        return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+                       : (Map<String, Object>) ((Map<String, Object>) this.getTopologyTemplate())
+                                                       .get(substitutionMappings);
+    }
 }
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaConverterImplTest.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaConverterImplTest.java
index 3e4e62a0d1..bcfc3d8eda 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaConverterImplTest.java
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaConverterImplTest.java
@@ -40,6 +40,7 @@ import java.nio.file.NotDirectoryException;
 import java.util.*;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.openecomp.core.converter.datatypes.Constants.globalStName;
 import static org.openecomp.core.converter.datatypes.Constants.mainStName;
 
@@ -134,6 +135,23 @@ public class ToscaConverterImplTest {
     Assert.assertEquals(1, occurrences[1]);
   }
 
+  @Test
+  public void testPoliciesBeenConverted() throws IOException {
+    String inputFilesPath = BASE_DIR + "/convertPolicies/in";
+    FileContentHandler fileContentHandler =
+            createFileContentHandlerFromInput(inputFilesPath);
+    ToscaServiceModel toscaServiceModel = toscaConverter.convert(fileContentHandler);
+    Optional<ServiceTemplate> st = toscaServiceModel.getServiceTemplate("MainServiceTemplate.yaml");
+
+    assertTrue(st.isPresent());
+
+    Map<String, PolicyDefinition> pds = st.get().getTopology_template().getPolicies();
+
+    assertEquals(2, pds.size());
+    assertTrue(pds.containsKey("scaling_aspects"));
+    assertTrue(pds.containsKey("instantiation_levels"));
+  }
+
   private Object[] buildOccurrences(String... bounds) {
     return buildOccurrences(Arrays.asList(bounds));
   }
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/in/MainServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/in/MainServiceTemplate.yaml
index 041afbacf8..a650f7d29d 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/in/MainServiceTemplate.yaml
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/in/MainServiceTemplate.yaml
@@ -548,4 +548,15 @@ topology_template:
 
   substitution_mappings:
     node_type: tosca.nodes.nfv.VNF.vPCRF
+  policies:
+    scaling_aspects:
+      type: tosca.policies.nfv.ScalingAspects
+      properties:
+        aspects:
+          processing:
+            name: processing
+            description: aspect for processing
+            max_scale_level: 5
+            step_deltas:
+              - delta_1
 tosca_definitions_version: tosca_simple_yaml_1_0
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/out/MainServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/out/MainServiceTemplate.yaml
index 0f41bb0d8b..f40f214929 100644
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/out/MainServiceTemplate.yaml
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertMainSt/out/MainServiceTemplate.yaml
@@ -544,5 +544,16 @@ topology_template:
       - virtual_link:
           capability: virtual_linkable
           node: Fabric
+  policies:
+    scaling_aspects:
+      type: tosca.policies.nfv.ScalingAspects
+      properties:
+        aspects:
+          processing:
+            name: processing
+            description: aspect for processing
+            max_scale_level: 5
+            step_deltas:
+              - delta_1
   substitution_mappings:
     node_type: tosca.nodes.nfv.VNF.vPCRF
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/checksum.lst b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/checksum.lst
new file mode 100644
index 0000000000..701f14d45d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/checksum.lst
@@ -0,0 +1 @@
+Definitions/openovnf__vPCRF.yaml:75bd8963ecc09bf769d0bb5cb475314d
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/csar.meta b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/csar.meta
new file mode 100644
index 0000000000..aac2fed3c3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Artifacts/csar.meta
@@ -0,0 +1,3 @@
+Type:NFAR
+Version:v1.0
+Provider:Huawei
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Definitions/GlobalSubstitutionTypesServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Definitions/GlobalSubstitutionTypesServiceTemplate.yaml
new file mode 100644
index 0000000000..a88171701e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/Definitions/GlobalSubstitutionTypesServiceTemplate.yaml
@@ -0,0 +1,60 @@
+node_types:
+  tosca.nodes.nfv.VDU.Compute:
+    attributes:
+      private_address:
+        type: string
+      public_address:
+        type: string
+      networks:
+        type: string
+      ports:
+        type: string
+    capabilities:
+      scalable:
+        type: tosca.capabilities.Scalable
+      virtual_compute:
+        type: tosca.capabilities.nfv.VirtualCompute
+      endpoint:
+        type: tosca.capabilities.Endpoint.Admin
+      os:
+        type: tosca.capabilities.OperatingSystem
+      virtual_binding:
+        type: tosca.capabilities.nfv.VirtualBindable
+      host:
+        type: tosca.capabilities.Container
+      binding:
+        type: tosca.capabilities.network.Bindable
+      monitoring_parameter:
+        type: tosca.capabilities.nfv.Metric
+    derived_from: tosca.nodes.Root
+    properties:
+      configurable_properties:
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfcConfigurableProperties
+        type: map
+      name:
+        type: string
+      nfvi_constraints:
+        entry_schema:
+          type: string
+        required: false
+        type: list
+      descrption:
+        type: string
+      boot_order:
+        entry_schema:
+          type: string
+        required: false
+        type: list
+    requirements:
+    - local_storage:
+        capability: tosca.capabilities.Attachment
+        occurrences:
+        - 0
+        - UNBOUNDED
+    - virtual_storage:
+        capability: tosca.capabilities.nfv.VirtualStorage
+        occurrences:
+        - 0
+        - UNBOUNDED
+tosca_definitions_version: tosca_simple_yaml_1_0
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.mf b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.mf
new file mode 100644
index 0000000000..e45f002332
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.mf
@@ -0,0 +1,12 @@
+Manifest-Version: 1.0
+
+Name: Entry-Definitions
+Name: MainServiceTemplate.yaml
+
+Name: Definitions\GlobalSubstitutionTypesServiceTemplate.yaml
+
+Name: Artifacts\install.sh
+
+Name: Artifacts\create_stack.sh
+
+Name: Licenses\license.xml
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.yaml b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.yaml
new file mode 100644
index 0000000000..2a3de9d1e9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/MainServiceTemplate.yaml
@@ -0,0 +1,572 @@
+imports:
+- openovnf__tosca.nodes.nfv.VNF.vPCRF.yaml
+- openonfv__tosca.capabilities.Scalable.yaml
+- openonfv__tosca.capabilities.nfv.Metric.yaml
+- openonfv__tosca.nodes.nfv.VnfVirtualLinkDesc.yaml
+- openonfv__tosca.capabilities.network.Bindable.yaml
+- openonfv__tosca.capabilities.Attachment.yaml
+- openonfv__tosca.capabilities.nfv.VirtualBindable.yaml
+- openonfv__tosca.capabilities.nfv.VirtualLinkable.yaml
+- openonfv__tosca.requirements.nfv.VirtualStorage.yaml
+- openonfv__tosca.nodes.nfv.VDU.VirtualStorage.yaml
+- openonfv__tosca.relationships.nfv.VirtualBindsTo.yaml
+- openonfv__tosca.nodes.nfv.VDU.Compute.yaml
+- openonfv__tosca.relationships.nfv.VirtualLinksTo.yaml
+- openonfv__tosca.capabilities.nfv.VirtualCompute.yaml
+- openonfv__tosca.capabilities.Container.yaml
+- openonfv__tosca.capabilities.nfv.VirtualStorage.yaml
+- openonfv__tosca.requirements.nfv.VirtualBinding.yaml
+- openonfv__tosca.capabilities.Endpoint.Admin.yaml
+- openonfv__tosca.capabilities.OperatingSystem.yaml
+- openonfv__tosca.nodes.nfv.VduCpd.yaml
+- openonfv__tosca.relationships.nfv.VDU.AttachedTo.yaml
+
+metadata:
+  vendor: Huawei
+  csarVersion: v1.0
+  csarProvider: Huawei
+  id: vPCRF_NF_HW
+  version: v1.0
+  csarType: NFAR
+  name: vPCRF
+  vnfdVersion: v1.0
+  vnfmType: hwvnfm
+
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.nat_fw:
+    derived_from: org.openecomp.resource.vfc.nodes.heat.nova.Server
+
+topology_template:
+  node_templates:
+    PUPDU_Storage:
+      attributes:
+        tosca_name: PUPDU_Storage
+      properties:
+        id: PUPDU_Storage
+        size_of_storage: 200G
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    USRSU:
+      attributes:
+        tosca_name: USRSU
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 24G
+            requested_additional_capabilities: {}
+            virtual_cpu:
+              num_virtual_cpu: 4
+      properties:
+        configurable_properties:
+          test: {"additional_vnfc_configurable_properties":{"aaa":"1"}}
+        name: USRSU
+        descrption: the virtual machine of USRSU
+      requirements:
+      - virtual_storage:
+          capability: virtual_storage
+          node: USRSU_Storage
+      - local_storage:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VDU.Compute
+    USPID3_VduCpd_Fabric:
+      attributes:
+        tosca_name: USPID3_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USPID3
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+    PUPDU_VduCpd_Base:
+      attributes:
+        tosca_name: PUPDU_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: PUPDU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    OMU_VduCpd_Fabric:
+      attributes:
+        tosca_name: OMU_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: OMU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+    USPID3:
+      attributes:
+        tosca_name: USPID3
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 24G
+            requested_additional_capabilities: {}
+            virtual_cpu:
+              num_virtual_cpu: 4
+      properties:
+        configurable_properties:
+          test: {"additional_vnfc_configurable_properties":{"aaa":"1"}}
+        name: USPID3
+        descrption: the virtual machine of USPID3
+      requirements:
+      - virtual_storage:
+          capability: virtual_storage
+          node: USPID3_Storage
+      - local_storage:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VDU.Compute
+    UPIRU_VduCpd_Base:
+      attributes:
+        tosca_name: UPIRU_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    OMU2ManageNet:
+      attributes:
+        tosca_name: OMU2ManageNet
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          node: tosca.nodes.Root
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    OMU_Storage:
+      attributes:
+        tosca_name: OMU_Storage
+      properties:
+        id: OMU_Storage
+        size_of_storage: 256G
+        rdma_enabled: false
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    UPSPU:
+      attributes:
+        tosca_name: UPSPU
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 24G
+            requested_additional_capabilities: {}
+            virtual_cpu:
+              num_virtual_cpu: 4
+      properties:
+        configurable_properties:
+          test: {"additional_vnfc_configurable_properties":{"aaa":"1"}}
+        name: UPSPU
+        descrption: the virtual machine of UPSPU
+      requirements:
+      - virtual_storage:
+          capability: virtual_storage
+          node: UPSPU_Storage
+      - local_storage:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VDU.Compute
+    PUPDU_VduCpd_Fabric:
+      attributes:
+        tosca_name: PUPDU_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: PUPDU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+    USPID2BossNet:
+      attributes:
+        tosca_name: USPID2BossNet
+      properties:
+        role: root
+        layer_protocol: ethernet
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USPID3
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    OMU_VduCpd_Base:
+      attributes:
+        tosca_name: OMU_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: OMU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    USPID3_Storage:
+      attributes:
+        tosca_name: USPID3_Storage
+      properties:
+        id: USPID3_Storage
+        size_of_storage: 300G
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    UPIRU2DataNet2:
+      attributes:
+        tosca_name: UPIRU2DataNet2
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    USPID2ManageNet:
+      attributes:
+        tosca_name: USPID2ManageNet
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USPID3
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    UPIRU2DataNet3:
+      attributes:
+        tosca_name: UPIRU2DataNet3
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    PUPDU2DataNet3:
+      attributes:
+        tosca_name: PUPDU2DataNet3
+      properties:
+        role: root
+        layer_protocol: ethernet
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: PUPDU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    USRSU2DataNet1:
+      attributes:
+        tosca_name: USRSU2DataNet1
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USRSU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    USRSU2DataNet2:
+      attributes:
+        tosca_name: USRSU2DataNet2
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USRSU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    UPIRU_Storage:
+      attributes:
+        tosca_name: UPIRU_Storage
+      properties:
+        id: UPIRU_Storage
+        size_of_storage: 4G
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    PUPDU2SignalNet1:
+      attributes:
+        tosca_name: PUPDU2SignalNet1
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: PUPDU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    UPIRU2DataNet1:
+      attributes:
+        tosca_name: UPIRU2DataNet1
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    USPID3_VduCpd_Base:
+      attributes:
+        tosca_name: USPID3_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USPID3
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    Base:
+      attributes:
+        tosca_name: Base
+      properties:
+        vl_flavours:
+          flavours: test2
+        connectivity_type:
+          layer_protocol: ipv4
+          flow_pattern:
+      type: tosca.nodes.nfv.VnfVirtualLinkDesc
+    USRSU_Storage:
+      attributes:
+        tosca_name: USRSU_Storage
+      properties:
+        id: USRSU_Storage
+        size_of_storage: 200G
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    UPSPU_VduCpd_Base:
+      attributes:
+        tosca_name: UPSPU_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPSPU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    PUPDU:
+      attributes:
+        tosca_name: PUPDU
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 24G
+            requested_additional_capabilities: {}
+            virtual_cpu:
+              num_virtual_cpu: 4
+      properties:
+        configurable_properties:
+          test: {"additional_vnfc_configurable_properties":{"aaa":"1"}}
+        name: PUPDU
+        descrption: the virtual machine of PUPDU
+      requirements:
+      - virtual_storage:
+          capability: virtual_storage
+          node: PUPDU_Storage
+      - local_storage:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VDU.Compute
+    USRSU_VduCpd_Base:
+      attributes:
+        tosca_name: USRSU_VduCpd_Base
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USRSU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Base
+      type: tosca.nodes.nfv.VduCpd
+    OMU:
+      attributes:
+        tosca_name: OMU
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 16G
+            requested_additional_capabilities: {}
+            virtual_cpu:
+              num_virtual_cpu: 4
+      properties:
+        configurable_properties:
+          test: {"additional_vnfc_configurable_properties":{"aaa":"1"}}
+        name: OMU
+        descrption: the virtual machine of OMU
+      requirements:
+      - virtual_storage:
+          capability: virtual_storage
+          node: OMU_Storage
+      - local_storage:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VDU.Compute
+    UPIRU_VduCpd_Fabric:
+      attributes:
+        tosca_name: UPIRU_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+    UPSPU_Storage:
+      attributes:
+        tosca_name: UPSPU_Storage
+      properties:
+        id: UPSPU_Storage
+        size_of_storage: 4G
+        type_of_storage: volume
+      type: tosca.nodes.nfv.VDU.VirtualStorage
+    PUPDU2ManageNet:
+      attributes:
+        tosca_name: PUPDU2ManageNet
+      properties:
+        role: root
+        layer_protocol: ethernet
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: PUPDU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    USRSU_VduCpd_Fabric:
+      attributes:
+        tosca_name: USRSU_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: USRSU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+    UPIRU2SignalNet1:
+      attributes:
+        tosca_name: UPIRU2SignalNet1
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPIRU
+      - virtual_link:
+          node: tosca.nodes.Root
+      type: tosca.nodes.nfv.VduCpd
+    Fabric:
+      attributes:
+        tosca_name: Fabric
+      properties:
+        vl_flavours:
+          flavours: test1
+        connectivity_type:
+          layer_protocol: ipv4
+          flow_pattern:
+      type: tosca.nodes.nfv.VnfVirtualLinkDesc
+    UPSPU_VduCpd_Fabric:
+      attributes:
+        tosca_name: UPSPU_VduCpd_Fabric
+      properties:
+        role: root
+        layer_protocol: ipv4
+      requirements:
+      - virtual_binding:
+          capability: virtual_binding
+          node: UPSPU
+      - virtual_link:
+          capability: virtual_linkable
+          node: Fabric
+      type: tosca.nodes.nfv.VduCpd
+
+  substitution_mappings:
+    node_type: tosca.nodes.nfv.VNF.vPCRF
+  policies:
+    scaling_aspects:
+      type: tosca.policies.nfv.ScalingAspects
+      properties:
+        aspects:
+          processing:
+            name: processing
+            description: aspect for processing
+            max_scale_level: 5
+            step_deltas:
+              - delta_1
+    instantiation_levels:
+      type: tosca.policies.nfv.InstantiationLevels
+      description: test policy
+      properties:
+        levels:
+          instantiation_level_1:
+            scale_info:
+              processing:
+                scale_level: 0
+        default_level: instantiation_level_1
+tosca_definitions_version: tosca_simple_yaml_1_0
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/TOSCA-Metadata/TOSCA.meta b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/TOSCA-Metadata/TOSCA.meta
new file mode 100644
index 0000000000..69f62ca864
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/resources/mock/toscaConverter/convertPolicies/in/TOSCA-Metadata/TOSCA.meta
@@ -0,0 +1,135 @@
+TOSCA-Meta-Version: 1.0
+CSAR-Version: 1.0
+Created-By: Winery 0.1.37-SNAPSHOT
+Entry-Definitions: Definitions/openovnf__vPCRF.yaml
+
+Name: Definitions/openovnf__vPCRF.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openovnf__tosca.nodes.nfv.VNF.vPCRF.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.Scalable.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.nfv.Metric.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.nodes.nfv.VnfVirtualLinkDesc.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.network.Bindable.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.Attachment.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.nfv.VirtualBindable.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.nfv.VirtualLinkable.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.requirements.nfv.VirtualStorage.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.nodes.nfv.VDU.VirtualStorage.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.relationships.nfv.VirtualBindsTo.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.nodes.nfv.VDU.Compute.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.relationships.nfv.VirtualLinksTo.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.nfv.VirtualCompute.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.Container.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.nfv.VirtualStorage.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.requirements.nfv.VirtualBinding.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.Endpoint.Admin.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.capabilities.OperatingSystem.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.nodes.nfv.VduCpd.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.relationships.nfv.VDU.AttachedTo.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openonfv__tosca.requirements.nfv.VirtualLink.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: Definitions/openovnf__tosca.nodes.nfv.VNF.yaml
+Content-Type: application/vnd.oasis.tosca.definitions
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.VirtualStorage/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VnfVirtualLinkDesc/appearance/bigIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VnfVirtualLinkDesc/appearance/smallIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.Compute/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VduCpd/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: capabilitytypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.capabilities.nfv.VirtualCompute/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv%2Fvnf/tosca.nodes.nfv.VNF/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.VirtualStorage/appearance/bigIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.VirtualStorage/appearance/smallIcon.png
+Content-Type: image/png
+
+Name: capabilitytypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.capabilities.Container/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.Compute/appearance/bigIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VDU.Compute/appearance/smallIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv%2Fvnf/tosca.nodes.nfv.VNF.vPCRF/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: capabilitytypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.capabilities.OperatingSystem/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VnfVirtualLinkDesc/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VduCpd/appearance/bigIcon.png
+Content-Type: image/png
+
+Name: nodetypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.nodes.nfv.VduCpd/appearance/smallIcon.png
+Content-Type: image/png
+
+Name: capabilitytypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.capabilities.Scalable/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+Name: relationshiptypes/http%3A%2F%2Fwww.open-o.org%2Ftosca%2Fnfv/tosca.relationships.nfv.VDU.AttachedTo/propertiesdefinition/Properties.xsd
+Content-Type: text/xml
+
+