Backout "Remove generation of csar.meta"
[sdc.git] / catalog-be / src / main / java / org / openecomp / sdc / be / tosca / CsarUtils.java
index 8a8fff7..35854d3 100644 (file)
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-
 package org.openecomp.sdc.be.tosca;
 
-
 import fj.F;
 import fj.data.Either;
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -35,706 +30,86 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
-import java.util.function.Function;
-import java.util.function.Predicate;
-import java.util.function.Supplier;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 import lombok.Getter;
 import lombok.Setter;
 import org.apache.commons.codec.binary.Base64;
-import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
 import org.apache.commons.io.output.ByteArrayOutputStream;
-import org.apache.commons.lang.WordUtils;
 import org.apache.commons.lang3.tuple.ImmutablePair;
-import org.apache.commons.lang3.tuple.ImmutableTriple;
-import org.apache.commons.lang3.tuple.Triple;
-import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.sdc.be.components.impl.ImportUtils;
-import org.openecomp.sdc.be.components.impl.ImportUtils.Constants;
-import org.openecomp.sdc.be.components.impl.exceptions.ByResponseFormatComponentException;
 import org.openecomp.sdc.be.config.ArtifactConfigManager;
 import org.openecomp.sdc.be.config.ArtifactConfiguration;
 import org.openecomp.sdc.be.config.ComponentType;
 import org.openecomp.sdc.be.config.ConfigurationManager;
 import org.openecomp.sdc.be.dao.api.ActionStatus;
-import org.openecomp.sdc.be.dao.cassandra.ArtifactCassandraDao;
-import org.openecomp.sdc.be.dao.cassandra.CassandraOperationStatus;
-import org.openecomp.sdc.be.dao.cassandra.SdcSchemaFilesCassandraDao;
-import org.openecomp.sdc.be.datatypes.elements.OperationDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
 import org.openecomp.sdc.be.impl.ComponentsUtils;
 import org.openecomp.sdc.be.model.ArtifactDefinition;
 import org.openecomp.sdc.be.model.Component;
 import org.openecomp.sdc.be.model.ComponentInstance;
-import org.openecomp.sdc.be.model.InterfaceDefinition;
-import org.openecomp.sdc.be.model.LifecycleStateEnum;
-import org.openecomp.sdc.be.model.Resource;
 import org.openecomp.sdc.be.model.Service;
 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
-import org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter;
 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
-import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
-import org.openecomp.sdc.be.plugins.CsarEntryGenerator;
-import org.openecomp.sdc.be.resources.data.DAOArtifactData;
-import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
-import org.openecomp.sdc.be.tosca.utils.OperationArtifactUtil;
-import org.openecomp.sdc.be.utils.CommonBeUtils;
-import org.openecomp.sdc.be.utils.TypeUtils.ToscaTagNamesEnum;
 import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
 import org.openecomp.sdc.common.api.ArtifactTypeEnum;
-import org.openecomp.sdc.common.impl.ExternalConfiguration;
 import org.openecomp.sdc.common.log.elements.LoggerSupportability;
 import org.openecomp.sdc.common.log.enums.LoggerSupportabilityActions;
 import org.openecomp.sdc.common.log.enums.StatusCode;
 import org.openecomp.sdc.common.log.wrappers.Logger;
 import org.openecomp.sdc.common.util.GeneralUtility;
 import org.openecomp.sdc.common.util.ValidationUtils;
-import org.openecomp.sdc.common.zip.ZipUtils;
 import org.openecomp.sdc.exception.ResponseFormat;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.yaml.snakeyaml.Yaml;
 
-/**
- * @author tg851x
- *
- */
 @org.springframework.stereotype.Component("csar-utils")
 public class CsarUtils {
+
+    public static final String ARTIFACTS_PATH = "Artifacts/";
+    public static final String ARTIFACTS = "Artifacts";
+    public static final String ARTIFACT_CREATED_FROM_CSAR = "Artifact created from csar";
     private static final Logger log = Logger.getLogger(CsarUtils.class);
     private static final LoggerSupportability loggerSupportability = LoggerSupportability.getLogger(CsarUtils.class.getName());
     private static final String PATH_DELIMITER = "/";
-    @Autowired
-    private SdcSchemaFilesCassandraDao sdcSchemaFilesCassandraDao;
-    @Autowired
-    private ArtifactCassandraDao artifactCassandraDao;
-    @Autowired
-    private ComponentsUtils componentsUtils;
-    @Autowired
-    private ToscaExportHandler toscaExportUtils;
-    @Autowired
-    protected ToscaOperationFacade toscaOperationFacade;
-
-    @Autowired(required = false)
-    private List<CsarEntryGenerator> generators;
-
-    private static final String CONFORMANCE_LEVEL = ConfigurationManager.getConfigurationManager().getConfiguration().getToscaConformanceLevel();
-    private static final String SDC_VERSION = ExternalConfiguration.getAppVersion();
-    public static final String ARTIFACTS_PATH = "Artifacts/";
-    private static final String RESOURCES_PATH = "Resources/";
-    private static final String DEFINITIONS_PATH = "Definitions/";
-    public static final String WORKFLOW_ARTIFACT_DIR = "Workflows"+File.separator+"BPMN"+File.separator;
-    public static final String DEPLOYMENT_ARTIFACTS_DIR = "Deployment"+File.separator;
     private static final String CSAR_META_VERSION = "1.0";
     private static final String CSAR_META_PATH_FILE_NAME = "csar.meta";
-    private static final String TOSCA_META_PATH_FILE_NAME = "TOSCA-Metadata/TOSCA.meta";
-    private static final String TOSCA_META_VERSION = "1.0";
-    private static final String CSAR_VERSION = "1.1";
-    public static final String ARTIFACTS = "Artifacts";
     private static final String DEFINITION = "Definitions";
     private static final String DEL_PATTERN = "([/\\\\]+)";
-    private static final String WORD_PATTERN = "\\w\\_\\-\\.\\s]+)";
+    private static final String WORD_PATTERN = "\\w\\_\\@\\-\\.\\s]+)";
     public static final String VALID_ENGLISH_ARTIFACT_NAME = "([" + WORD_PATTERN;
+    public static final String VF_NODE_TYPE_ARTIFACTS_PATH_PATTERN = ARTIFACTS + DEL_PATTERN +
+        // Artifact Group (i.e Deployment/Informational)
+        VALID_ENGLISH_ARTIFACT_NAME + DEL_PATTERN +
+        // Artifact Type
+        VALID_ENGLISH_ARTIFACT_NAME + DEL_PATTERN +
+        // Artifact Any File Name
+        ".+";
+    public static final String SERVICE_TEMPLATE_PATH_PATTERN = DEFINITION + DEL_PATTERN +
+        // Service Template File Name
+        VALID_ENGLISH_ARTIFACT_NAME;
     private static final String VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS = "([\\d" + WORD_PATTERN;
-    private static final String ARTIFACT_NAME_UNIQUE_ID = "ArtifactName {}, unique ID {}";
-
-    private static final String VFC_NODE_TYPE_ARTIFACTS_PATH_PATTERN = ARTIFACTS + DEL_PATTERN +
-                                                                              ImportUtils.Constants.USER_DEFINED_RESOURCE_NAMESPACE_PREFIX +
-                                                                              VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN +
-                                                                              VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN +
-                                                                              VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN +
-                                                                              VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS;
-
-    public static final String VF_NODE_TYPE_ARTIFACTS_PATH_PATTERN = ARTIFACTS + DEL_PATTERN+
-                                                                             // Artifact Group (i.e Deployment/Informational)
-                                                                             VALID_ENGLISH_ARTIFACT_NAME + DEL_PATTERN +
-                                                                             // Artifact Type
-                                                                             VALID_ENGLISH_ARTIFACT_NAME  + DEL_PATTERN +
-                                                                             // Artifact Any File Name
-                                                                             ".+";
-
-    public static final String SERVICE_TEMPLATE_PATH_PATTERN = DEFINITION + DEL_PATTERN+
-                                                                       // Service Template File Name
-                                                                       VALID_ENGLISH_ARTIFACT_NAME;
-
-    public static final String ARTIFACT_CREATED_FROM_CSAR = "Artifact created from csar";
+    private static final String VFC_NODE_TYPE_ARTIFACTS_PATH_PATTERN =
+        ARTIFACTS + DEL_PATTERN + ImportUtils.Constants.USER_DEFINED_RESOURCE_NAMESPACE_PREFIX + VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN
+            + VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN + VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS + DEL_PATTERN
+            + VALID_ENGLISH_ARTIFACT_NAME_WITH_DIGITS;
     private static final String BLOCK_0_TEMPLATE = "SDC-TOSCA-Meta-File-Version: %s\nSDC-TOSCA-Definitions-Version: %s\n";
 
-    private String versionFirstThreeOctets;
-
-    public CsarUtils() {
-        if(SDC_VERSION != null && !SDC_VERSION.isEmpty()){
-            Matcher matcher = Pattern.compile("(?!\\.)(\\d+(\\.\\d+)+)(?![\\d\\.])").matcher(SDC_VERSION);
-            matcher.find();
-            setVersionFirstThreeOctets(matcher.group(0));
-        } else {
-            setVersionFirstThreeOctets("");
-        }
-    }
-
-    /**
-     *
-     * @param component
-     * @param getFromCS
-     * @param isInCertificationRequest
-     * @return
-     */
-    public Either<byte[], ResponseFormat> createCsar(Component component, boolean getFromCS, boolean isInCertificationRequest) {
-        loggerSupportability.log(LoggerSupportabilityActions.GENERATE_CSAR, StatusCode.STARTED,"Starting to create Csar for component {} ",component.getName());
-        final String createdBy = component.getCreatorFullName();
-        String fileName;
-        Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
-        ArtifactDefinition artifactDefinition = toscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
-        fileName = artifactDefinition.getArtifactName();
-
-        String toscaConformanceLevel = ConfigurationManager.getConfigurationManager().getConfiguration().getToscaConformanceLevel();
-        String csarBlock0 = createCsarBlock0(CSAR_META_VERSION, toscaConformanceLevel);
-        byte[] csarBlock0Byte = csarBlock0.getBytes();
-
-        final String toscaBlock0 = createToscaBlock0(TOSCA_META_VERSION, CSAR_VERSION, createdBy, fileName);
-        byte[] toscaBlock0Byte = toscaBlock0.getBytes();
-
-        return generateCsarZip(csarBlock0Byte, toscaBlock0Byte, component, getFromCS, isInCertificationRequest)
-            .left().map(responseFormat -> {
-            loggerSupportability.log(LoggerSupportabilityActions.GENERATE_CSAR, StatusCode.COMPLETE,
-                "Ended create Csar for component {} ", component.getName());
-            return responseFormat;
-        });
-    }
-
-    private Either<byte[], ResponseFormat> generateCsarZip(byte[] csarBlock0Byte, byte[] toscaBlock0Byte, Component component, boolean getFromCS, boolean isInCertificationRequest) {
-        try (ByteArrayOutputStream out = new ByteArrayOutputStream();
-             ZipOutputStream zip = new ZipOutputStream(out)) {
-            zip.putNextEntry(new ZipEntry(CSAR_META_PATH_FILE_NAME));
-            zip.write(csarBlock0Byte);
-            zip.putNextEntry(new ZipEntry(TOSCA_META_PATH_FILE_NAME));
-            zip.write(toscaBlock0Byte);
-            Either<ZipOutputStream, ResponseFormat> populateZip = populateZip(component, getFromCS, zip, isInCertificationRequest);
-            if (populateZip.isRight()) {
-                log.debug("Failed to populate CSAR zip file {}. Please fix DB table accordingly ", populateZip.right().value());
-                return Either.right(populateZip.right().value());
-            }
-
-            zip.finish();
-            byte[] byteArray = out.toByteArray();
-
-            return Either.left(byteArray);
-        } catch (IOException e) {
-            log.debug("Failed with IOexception to create CSAR zip for component {}. Please fix DB table accordingly ", component.getUniqueId(), e);
-
-            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR);
-            return Either.right(responseFormat);
-        }
-}
-
-    private Either<ZipOutputStream, ResponseFormat> populateZip(Component component, boolean getFromCS, ZipOutputStream zip, boolean isInCertificationRequest) throws IOException {
-
-        ArtifactDefinition artifactDef = component
-            .getToscaArtifacts()
-            .get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
-
-        Either<MainYamlWithDependencies, ResponseFormat> toscaRepresentation =
-            fetchToscaRepresentation(component, getFromCS, artifactDef);
-
-        // This should not be done but in order to keep the refactoring small enough we stop here.
-        // TODO: Refactor the rest of this function
-        byte[] mainYaml;
-        List<Triple<String, String, Component>> dependencies;
-        if(toscaRepresentation.isLeft()) {
-            mainYaml = toscaRepresentation.left().value().mainYaml;
-            dependencies = toscaRepresentation.left().value().dependencies.orElse(null);
-        } else {
-            return Either.right(toscaRepresentation.right().value());
-        }
-
-        String fileName = artifactDef.getArtifactName();
-        zip.putNextEntry(new ZipEntry(DEFINITIONS_PATH + fileName));
-        zip.write(mainYaml);
-
-        //US798487 - Abstraction of complex types
-        if (!ModelConverter.isAtomicComponent(component)){
-            log.debug("Component {} is complex - generating abstract type for it..", component.getName());
-                             writeComponentInterface(component, zip, fileName, false);
-        }
-
-        //UID <cassandraId,filename,component>
-        Map<String, ImmutableTriple<String,String, Component>> innerComponentsCache = new HashMap<>();
-
-        Either<ZipOutputStream, ResponseFormat> responseFormat = getZipOutputStreamResponseFormatEither(zip, dependencies, innerComponentsCache);
-        if (responseFormat != null) return responseFormat;
-
-        //retrieve SDC.zip from Cassandra
-        Either<byte[], ResponseFormat> latestSchemaFilesFromCassandra = getLatestSchemaFilesFromCassandra();
-
-        if(latestSchemaFilesFromCassandra.isRight()){
-            log.error("Error retrieving SDC Schema files from cassandra");
-            return Either.right(latestSchemaFilesFromCassandra.right().value());
-        }
-
-        final byte[] schemaFileZip = latestSchemaFilesFromCassandra.left().value();
-
-        final List<String> nodesFromPackage = findNonRootNodesFromPackage(dependencies);
-
-        //add files from retrieved SDC.zip to Definitions folder in CSAR
-        addSchemaFilesFromCassandra(zip, schemaFileZip, nodesFromPackage);
-
-        Either<CsarDefinition, ResponseFormat> collectedComponentCsarDefinition = collectComponentCsarDefinition(component);
-
-        if (collectedComponentCsarDefinition.isRight()) {
-            return Either.right(collectedComponentCsarDefinition.right().value());
-        }
-
-        if (generators != null) {
-               for (CsarEntryGenerator generator: generators) {
-                   log.debug("Invoking CsarEntryGenerator: {}", generator.getClass().getName());
-                       for (Entry<String, byte[]> pluginGeneratedFile : generator.generateCsarEntries(component).entrySet()) {
-                    zip.putNextEntry(new ZipEntry(pluginGeneratedFile.getKey()));
-                    zip.write(pluginGeneratedFile.getValue());
-                       }
-               }
-        }
-
-        return writeAllFilesToCsar(component, collectedComponentCsarDefinition.left().value(), zip, isInCertificationRequest);
-    }
-
-    private Either<MainYamlWithDependencies, ResponseFormat> fetchToscaRepresentation(
-        Component component,
-        boolean getFromCS,
-        ArtifactDefinition artifactDef
-    ) {
-        LifecycleStateEnum lifecycleState = component.getLifecycleState();
-
-        boolean shouldBeFetchedFromCassandra = getFromCS ||
-            !(lifecycleState == LifecycleStateEnum.NOT_CERTIFIED_CHECKIN ||
-                lifecycleState == LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT);
-
-        Either<MainYamlWithDependencies, ResponseFormat> toscaRepresentation =
-            shouldBeFetchedFromCassandra ?
-                fetchToscaRepresentation(artifactDef) :
-                generateToscaRepresentation(component);
-
-        return toscaRepresentation.left().bind(iff(
-            myd -> !myd.dependencies.isPresent(),
-            myd -> fetchToscaTemplateDependencies(myd.mainYaml, component)
-        ));
-    }
-
-    private static <L, R> F<L, Either<L, R>> iff(Predicate<L> p, Function<L, Either<L, R>> ifTrue) {
-        return l -> p.test(l) ? ifTrue.apply(l) : Either.left(l);
-    }
-
-    private Either<MainYamlWithDependencies, ResponseFormat> fetchToscaTemplateDependencies(
-        byte[] mainYml,
-        Component component
-    ) {
-        return toscaExportUtils.getDependencies(component).right().map(toscaError -> {
-            log.debug("Failed to retrieve dependencies for component {}, error {}",
-                component.getUniqueId(), toscaError);
-            return componentsUtils.getResponseFormat(componentsUtils.convertFromToscaError(toscaError));
-        }).left().map(tt -> MainYamlWithDependencies.make(mainYml, tt));
-    }
-
-    private Either<MainYamlWithDependencies, ResponseFormat> generateToscaRepresentation(Component component) {
-        return toscaExportUtils.exportComponent(component).right().map(toscaError -> {
-            log.debug("exportComponent failed", toscaError);
-            return componentsUtils.getResponseFormat(componentsUtils.convertFromToscaError(toscaError));
-        }).left().map(MainYamlWithDependencies::make);
-    }
-
-    private Either<MainYamlWithDependencies, ResponseFormat> fetchToscaRepresentation(ArtifactDefinition artifactDef) {
-        return getFromCassandra(artifactDef.getEsId()).right().map(as -> {
-            log.debug(ARTIFACT_NAME_UNIQUE_ID, artifactDef.getArtifactName(), artifactDef.getUniqueId());
-            return componentsUtils.getResponseFormat(as);
-        }).left().map(MainYamlWithDependencies::make);
-    }
-
-    // TODO: Refactor the ToscaRepresentation class in order to remove the following one
-    // This will be done in a separate change
-    private static class MainYamlWithDependencies {
-
-        private final byte[] mainYaml;
-        private final Optional<List<Triple<String, String, Component>>> dependencies;
-
-        private MainYamlWithDependencies(byte[] mainYaml,
-            Optional<List<Triple<String, String, Component>>> dependencies) {
-            this.mainYaml = mainYaml;
-            this.dependencies = dependencies;
-        }
-
-        public static MainYamlWithDependencies make(byte[] mainYaml) {
-            return new MainYamlWithDependencies(mainYaml, Optional.empty());
-        }
-
-        public static MainYamlWithDependencies make(ToscaRepresentation tr) {
-            return new MainYamlWithDependencies(tr.getMainYaml().getBytes(), Optional.ofNullable(tr.getDependencies()));
-        }
-
-        public static MainYamlWithDependencies make(byte[] mainYaml, ToscaTemplate tt) {
-            return new MainYamlWithDependencies(mainYaml, Optional.ofNullable(tt.getDependencies()));
-        }
-    }
-
-    /**
-     * Create a list of all derived nodes found on the package
-     *
-     * @param dependencies all node dependencies
-     * @return a list of nodes
-     */
-    private List<String> findNonRootNodesFromPackage(final List<Triple<String, String, Component>> dependencies) {
-        final List<String> nodes = new ArrayList<>();
-        if (CollectionUtils.isNotEmpty(dependencies)) {
-            final String NATIVE_ROOT = "tosca.nodes.Root";
-            dependencies.forEach(dependency -> {
-                if (dependency.getRight() instanceof Resource) {
-                    final Resource resource = (Resource) dependency.getRight();
-                    if (CollectionUtils.isNotEmpty(resource.getDerivedList())) {
-                        resource.getDerivedList().stream()
-                            .filter(node -> !nodes.contains(node) && !NATIVE_ROOT.equalsIgnoreCase(node))
-                            .forEach(node -> nodes.add(node));
-                    }
-                }
-            });
-        }
-        return nodes;
-    }
-
-    /**
-     * Writes a new zip entry
-     *
-     * @param zipInputStream the zip entry to be read
-     * @return a map of the given zip entry
-     */
-    private Map<String, Object> readYamlZipEntry(final ZipInputStream zipInputStream) throws IOException {
-        final int initSize = 2048;
-        final StringBuilder zipEntry = new StringBuilder();
-        final byte[] buffer = new byte[initSize];
-        int read = 0;
-        while ((read = zipInputStream.read(buffer, 0, initSize)) >= 0) {
-            zipEntry.append(new String(buffer, 0, read));
-        }
-
-        return (Map<String, Object>) new Yaml().load(zipEntry.toString());
-    }
-
-    /**
-     * Filters and removes all duplicated nodes found
-     *
-     * @param nodesFromPackage a List of all derived nodes found on the given package
-     * @param nodesFromArtifactFile represents the nodes.yml file stored in Cassandra
-     * @return a nodes Map updated
-     */
-    private Map<String, Object> updateNodeYml(final List<String> nodesFromPackage,
-                                              final Map<String, Object> nodesFromArtifactFile) {
-
-        if (MapUtils.isNotEmpty(nodesFromArtifactFile)) {
-            final String nodeTypeBlock = ToscaTagNamesEnum.NODE_TYPES.getElementName();
-            final Map<String, Object> nodeTypes = (Map<String, Object>) nodesFromArtifactFile.get(nodeTypeBlock);
-            nodesFromPackage.stream()
-                .filter(nodeTypes::containsKey)
-                .forEach(nodeTypes::remove);
-
-            nodesFromArtifactFile.replace(nodeTypeBlock, nodeTypes);
-        }
-
-        return nodesFromArtifactFile;
-    }
-
-    /**
-     * Updates the zip entry from the given parameters
-     *
-     * @param byteArrayOutputStream an output stream in which the data is written into a byte array.
-     * @param nodesYaml a Map of nodes to be written
-     */
-    private void updateZipEntry(final ByteArrayOutputStream byteArrayOutputStream,
-                                final Map<String, Object> nodesYaml) throws IOException {
-        if (MapUtils.isNotEmpty(nodesYaml)) {
-            byteArrayOutputStream.write(new YamlUtil().objectToYaml(nodesYaml).getBytes());
-        }
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> getZipOutputStreamResponseFormatEither(
-        ZipOutputStream zip,
-        List<Triple<String, String, Component>> dependencies,
-        Map<String, ImmutableTriple<String, String, Component>> innerComponentsCache
-    ) throws IOException {
-        if (dependencies != null && !dependencies.isEmpty()) {
-            for (Triple<String, String, Component> d : dependencies) {
-                String cassandraId = d.getMiddle();
-                Component childComponent = d.getRight();
-
-                Either<byte[], ResponseFormat> entryData = getEntryData(cassandraId, childComponent)
-                    .right().map(x -> componentsUtils.getResponseFormat(x));
-
-                if (entryData.isRight()) {
-                    return Either.right(entryData.right().value());
-                }
-
-                //fill innerComponentsCache
-                String fileName = d.getLeft();
-                // TODO: Extract the cache related functions to their own class
-                addComponentToCache(innerComponentsCache, cassandraId, fileName, childComponent);
-                addInnerComponentsToCache(innerComponentsCache, childComponent);
-            }
-
-            //add inner components to CSAR
-            Either<ZipOutputStream, ResponseFormat> responseFormat = addInnerComponentsToCSAR(zip, innerComponentsCache);
-            if (responseFormat != null) return responseFormat;
-        }
-        return null;
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> addInnerComponentsToCSAR(ZipOutputStream zip, Map<String, ImmutableTriple<String, String, Component>> innerComponentsCache) throws IOException {
-        for (Entry<String, ImmutableTriple<String, String, Component>> innerComponentTripleEntry : innerComponentsCache.entrySet()) {
-
-            ImmutableTriple<String, String, Component> innerComponentTriple = innerComponentTripleEntry.getValue();
-
-            Component innerComponent = innerComponentTriple.getRight();
-            String icFileName = innerComponentTriple.getMiddle();
-
-            // add component to zip
-            Either<byte[], ActionStatus> entryData = getEntryData(innerComponentTriple.getLeft(), innerComponent);
-            if (entryData.isRight()) {
-                ResponseFormat responseFormat = componentsUtils.getResponseFormat(entryData.right().value());
-                log.debug("Failed adding to zip component {}, error {}", innerComponentTriple.getLeft(),
-                        entryData.right().value());
-                return Either.right(responseFormat);
-            }
-            byte[] content = entryData.left().value();
-            zip.putNextEntry(new ZipEntry(DEFINITIONS_PATH + icFileName));
-            zip.write(content);
-
-            // add component interface to zip
-            if (!ModelConverter.isAtomicComponent(innerComponent)) {
-                                       writeComponentInterface(innerComponent, zip, icFileName, true);
-            }
-        }
-        return null;
-    }
-
-    private void addSchemaFilesFromCassandra(final ZipOutputStream zip,
-                                             final byte[] schemaFileZip,
-                                             final List<String> nodesFromPackage) {
-        final int initSize = 2048;
-        log.debug("Starting copy from Schema file zip to CSAR zip");
-        try (final ZipInputStream zipStream = new ZipInputStream(new ByteArrayInputStream(schemaFileZip));
-            final ByteArrayOutputStream out = new ByteArrayOutputStream();
-            final BufferedOutputStream bos = new BufferedOutputStream(out, initSize)) {
-
-            ZipEntry entry;
-            while ((entry = zipStream.getNextEntry()) != null) {
-                ZipUtils.checkForZipSlipInRead(entry);
-                final String entryName = entry.getName();
-                int readSize = initSize;
-                final byte[] entryData = new byte[initSize];
-                if (entryName.equalsIgnoreCase("nodes.yml")) {
-                    handleNode(zipStream, out, nodesFromPackage);
-                } else {
-                    while ((readSize = zipStream.read(entryData, 0, readSize)) != -1) {
-                        bos.write(entryData, 0, readSize);
-                    }
-                    bos.flush();
-                }
-                out.flush();
-                zip.putNextEntry(new ZipEntry(DEFINITIONS_PATH + entryName));
-                zip.write(out.toByteArray());
-                zip.flush();
-                out.reset();
-            }
-        } catch (final Exception e) {
-            log.error("Error while writing the SDC schema file to the CSAR", e);
-            throw new ByResponseFormatComponentException(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
-        }
-        log.debug("Finished copy from Schema file zip to CSAR zip");
-    }
-
-    /**
-     * Handles the nodes.yml zip entry, updating the nodes.yml to avoid duplicated nodes on it.
-     *
-     * @param zipInputStream the zip entry to be read
-     * @param byteArrayOutputStream an output stream in which the data is written into a byte array.
-     * @param nodesFromPackage list of all nodes found on the onboarded package
-     */
-    private void handleNode(final ZipInputStream zipInputStream,
-                            final ByteArrayOutputStream byteArrayOutputStream,
-                            final List<String> nodesFromPackage) throws IOException {
-
-        final Map<String, Object> nodesFromArtifactFile = readYamlZipEntry(zipInputStream);
-        final Map<String, Object> nodesYaml = updateNodeYml(nodesFromPackage, nodesFromArtifactFile);
-        updateZipEntry(byteArrayOutputStream, nodesYaml);
-    }
-
-    private void addInnerComponentsToCache(Map<String, ImmutableTriple<String, String, Component>> componentCache,
-            Component childComponent) {
-
-        List<ComponentInstance> instances = childComponent.getComponentInstances();
-
-        if(instances != null) {
-            instances.forEach(ci -> {
-                ImmutableTriple<String, String, Component> componentRecord = componentCache.get(ci.getComponentUid());
-                if (componentRecord == null) {
-                    // all resource must be only once!
-                    Either<Resource, StorageOperationStatus> resource = toscaOperationFacade.getToscaElement(ci.getComponentUid());
-                    Component componentRI = checkAndAddComponent(componentCache, ci, resource);
-
-                    //if not atomic - insert inner components as well
-                    if(!ModelConverter.isAtomicComponent(componentRI)) {
-                        addInnerComponentsToCache(componentCache, componentRI);
-                    }
-                }
-            });
-        }
-    }
-
-    private Component checkAndAddComponent(Map<String, ImmutableTriple<String, String, Component>> componentCache, ComponentInstance ci, Either<Resource, StorageOperationStatus> resource) {
-        if (resource.isRight()) {
-            log.debug("Failed to fetch resource with id {} for instance {}", ci.getComponentUid(), ci.getName());
-        }
-        Component componentRI = resource.left().value();
-
-        Map<String, ArtifactDefinition> childToscaArtifacts = componentRI.getToscaArtifacts();
-        ArtifactDefinition childArtifactDefinition = childToscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
-        if (childArtifactDefinition != null) {
-            //add to cache
-            addComponentToCache(componentCache, childArtifactDefinition.getEsId(), childArtifactDefinition.getArtifactName(), componentRI);
-        }
-        return componentRI;
-    }
-
-    private void addComponentToCache(Map<String, ImmutableTriple<String, String, Component>> componentCache,
-            String id, String fileName, Component component) {
-
-        String uuid = component.getInvariantUUID();
-        String version = component.getVersion();
-
-        Supplier<ImmutableTriple<String, String, Component>> sup =
-            () -> new ImmutableTriple<>(id, fileName, component);
-
-        componentCache.put(uuid, updateWith(componentCache, uuid,
-            cc -> overwriteIfSameVersions(id, version, cc, sup),
-            sup
-        ));
-    }
-
-    private static <K, V> V updateWith(Map<K, V> kvs, K k, Function<V, V> f, Supplier<V> orElse) {
-        return Optional.ofNullable(kvs.get(k)).map(f).orElseGet(orElse);
-    }
-
-    private ImmutableTriple<String, String, Component> overwriteIfSameVersions(
-        String id, String version,
-        ImmutableTriple<String, String, Component> cc,
-        Supplier<ImmutableTriple<String, String, Component>> newValue
-    ) {
-        if (CommonBeUtils.compareAsdcComponentVersions(version, cc.getRight().getVersion())) {
-            log.warn("Overwriting component invariantID {} of version {} with a newer version {}", id,
-                cc.getRight().getVersion(),
-                version);
-            return newValue.get();
-        }
-        return cc;
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeComponentInterface(
-        Component component,
-        ZipOutputStream zip,
-        String fileName,
-        boolean isAssociatedComponent
-    ) {
-        try {
-            Either<String, ToscaError> mainYaml = toscaExportUtils
-                .exportComponentInterface(component, isAssociatedComponent)
-                .left().map(ToscaRepresentation::getMainYaml);
-
-            // TODO: This should be done outside this function to keep this testable.
-            // We can probably achieve this once the other refactorings related to SDC-2812 are merged
-            String interfaceFileName = DEFINITIONS_PATH + ToscaExportHandler.getInterfaceFilename(fileName);
-            zip.putNextEntry(new ZipEntry(interfaceFileName));
-            zip.write(mainYaml.left().value().getBytes());
-
-        } catch (Exception e) {
-            log.error("#writeComponentInterface - zip writing failed with error: ", e);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
-        }
-        return Either.left(zip);
-    }
-
-    private Either<byte[], ActionStatus> getEntryData(String cassandraId, Component childComponent) {
-        if (cassandraId == null || cassandraId.isEmpty()) {
-            return toscaExportUtils.exportComponent(childComponent)
-                .right().map(toscaErrorToActionStatus(childComponent))
-                .left().map(toscaRepresentation -> toscaRepresentation.getMainYaml().getBytes());
-        } else {
-            return getFromCassandra(cassandraId);
-        }
-    }
-
-    private F<ToscaError, ActionStatus> toscaErrorToActionStatus(Component childComponent) {
-        return toscaError -> {
-            log.debug("Failed to export tosca template for child component {} error {}",
-                childComponent.getUniqueId(), toscaError);
-            return componentsUtils.convertFromToscaError(toscaError);
-        };
-    }
-
-    private Either<byte[], ResponseFormat> getLatestSchemaFilesFromCassandra() {
-        String fto = getVersionFirstThreeOctets();
-        return sdcSchemaFilesCassandraDao.getSpecificSchemaFiles(fto, CONFORMANCE_LEVEL)
-            .right().map(schemaFilesFetchDBError(fto))
-            .left().bind(iff(
-                List::isEmpty,
-                () -> schemaFileFetchError(fto),
-                s -> Either.left(s.iterator().next().getPayloadAsArray())
-                )
-            );
-    }
-
-    private static <A, B> F<A, B> iff(Predicate<A> p, Supplier<B> s, Function<A, B> orElse) {
-        return a -> p.test(a) ? s.get() : orElse.apply(a);
-    }
-
-    private F<CassandraOperationStatus, ResponseFormat> schemaFilesFetchDBError(String firstThreeOctets) {
-        return cos -> {
-            log.debug(
-                "Failed to get the schema files SDC-Version: {} Conformance-Level {}. Please fix DB table accordingly.",
-                firstThreeOctets, CONFORMANCE_LEVEL);
-            StorageOperationStatus sos = DaoStatusConverter.convertCassandraStatusToStorageStatus(cos);
-            return componentsUtils.getResponseFormat(componentsUtils.convertFromStorageResponse(sos));
-        };
-    }
-
-    private Either<byte[], ResponseFormat> schemaFileFetchError(String firstThreeOctets) {
-        log.debug("Failed to get the schema files SDC-Version: {} Conformance-Level {}",
-            firstThreeOctets, CONFORMANCE_LEVEL);
-        return Either.right(
-            componentsUtils.getResponseFormat(
-                ActionStatus.TOSCA_SCHEMA_FILES_NOT_FOUND, firstThreeOctets, CONFORMANCE_LEVEL
-            )
-        );
-    }
-
-    private Either<byte[], ActionStatus> getFromCassandra(String cassandraId) {
-        return artifactCassandraDao.getArtifact(cassandraId)
-            .right().map(cos -> {
-                log.debug("Failed to fetch artifact from Cassandra by id {} error {} ", cassandraId, cos);
-                StorageOperationStatus storageStatus = DaoStatusConverter.convertCassandraStatusToStorageStatus(cos);
-                return componentsUtils.convertFromStorageResponse(storageStatus);
-            }).left().map(DAOArtifactData::getDataAsArray);
-    }
-
-    private String createCsarBlock0(String metaFileVersion, String toscaConformanceLevel) {
-        return String.format(BLOCK_0_TEMPLATE, metaFileVersion, toscaConformanceLevel);
-    }
+    private final ToscaOperationFacade toscaOperationFacade;
+    private final ComponentsUtils componentsUtils;
+    private final MapFromModelCsarGeneratorService mapFromModelCsarGeneratorService;
 
-    private String createToscaBlock0(String metaFileVersion, String csarVersion, String createdBy, String entryDef) {
-        final String block0template = "TOSCA-Meta-File-Version: %s\nCSAR-Version: %s\nCreated-By: %s\nEntry-Definitions: Definitions/%s\n\nName: csar.meta\nContent-Type: text/plain\n";
-        return String.format(block0template, metaFileVersion, csarVersion, createdBy, entryDef);
+    @Autowired
+    public CsarUtils(final ToscaOperationFacade toscaOperationFacade,
+                     final ComponentsUtils componentsUtils,
+                     final MapFromModelCsarGeneratorService mapFromModelCsarGeneratorService) {
+        this.toscaOperationFacade = toscaOperationFacade;
+        this.componentsUtils = componentsUtils;
+        this.mapFromModelCsarGeneratorService = mapFromModelCsarGeneratorService;
     }
 
     /**
@@ -744,7 +119,6 @@ public class CsarUtils {
      * @return Map of <String, List<ArtifactDefinition>> the contains Lists of artifacts according vfcToscaNamespace
      */
     public static Map<String, List<ArtifactDefinition>> extractVfcsArtifactsFromCsar(Map<String, byte[]> csar) {
-
         Map<String, List<ArtifactDefinition>> artifacts = new HashMap<>();
         if (csar != null) {
             log.debug("************* Going to extract VFCs artifacts from Csar. ");
@@ -753,10 +127,9 @@ public class CsarUtils {
                 // filter CSAR entry by node type artifact path
                 .filter(e -> Pattern.compile(VFC_NODE_TYPE_ARTIFACTS_PATH_PATTERN).matcher(e.getKey()).matches())
                 // extract ArtifactDefinition from CSAR entry for each entry with matching artifact path
-                .forEach(e -> addExtractedVfcArtifact(extractVfcArtifact(e, collectedWarningMessages), artifacts));
+                .forEach(e -> extractVfcArtifact(e, collectedWarningMessages).ifPresent(ip -> addExtractedVfcArtifact(ip, artifacts)));
             // add counter suffix to artifact labels
             handleWarningMessages(collectedWarningMessages);
-
         }
         return artifacts;
     }
@@ -768,44 +141,35 @@ public class CsarUtils {
      */
     public static void handleWarningMessages(Map<String, Set<List<String>>> collectedWarningMessages) {
         collectedWarningMessages.entrySet().stream()
-                                // for each vfc
-                                .forEach(e -> e.getValue().stream()
-                                               // add each warning message to log
-                                               .forEach(args -> log.warn(e.getKey(), args.toArray())));
-
+            // for each vfc
+            .forEach(e -> e.getValue().stream()
+                // add each warning message to log
+                .forEach(args -> log.warn(e.getKey(), args.toArray())));
     }
 
-    private static void addExtractedVfcArtifact(ImmutablePair<String, ArtifactDefinition> extractedVfcArtifact, Map<String, List<ArtifactDefinition>> artifacts) {
-        if (extractedVfcArtifact != null) {
-            List<ArtifactDefinition> currArtifactsList;
-            String vfcToscaNamespace = extractedVfcArtifact.getKey();
-            if (artifacts.containsKey(vfcToscaNamespace)) {
-                currArtifactsList = artifacts.get(vfcToscaNamespace);
-            } else {
-                currArtifactsList = new ArrayList<>();
-                artifacts.put(vfcToscaNamespace, currArtifactsList);
-            }
-            currArtifactsList.add(extractedVfcArtifact.getValue());
-        }
+    private static void addExtractedVfcArtifact(ImmutablePair<String, ArtifactDefinition> extractedVfcArtifact,
+                                                Map<String, List<ArtifactDefinition>> artifacts) {
+        String vfcToscaNamespace = extractedVfcArtifact.getKey();
+        artifacts.computeIfAbsent(vfcToscaNamespace, k -> new ArrayList<>());
+        artifacts.get(vfcToscaNamespace).add(extractedVfcArtifact.getValue());
     }
 
-    private static ImmutablePair<String, ArtifactDefinition> extractVfcArtifact(Entry<String, byte[]> entry, Map<String, Set<List<String>>> collectedWarningMessages) {
-        ArtifactDefinition artifact;
+    private static Optional<ImmutablePair<String, ArtifactDefinition>> extractVfcArtifact(Entry<String, byte[]> entry,
+                                                                                          Map<String, Set<List<String>>> collectedWarningMessages) {
         String[] parsedCsarArtifactPath = entry.getKey().split(PATH_DELIMITER);
-        Either<ArtifactGroupTypeEnum, Boolean> eitherArtifactGroupType = detectArtifactGroupType(parsedCsarArtifactPath[2].toUpperCase(), collectedWarningMessages);
-        if (eitherArtifactGroupType.isLeft()) {
-            artifact = buildArtifactDefinitionFromCsarArtifactPath(entry, collectedWarningMessages, parsedCsarArtifactPath, eitherArtifactGroupType.left().value());
-        } else {
-            return null;
-        }
-        return new ImmutablePair<>(parsedCsarArtifactPath[1], artifact);
+        String groupType = parsedCsarArtifactPath[2].toUpperCase();
+        return detectArtifactGroupType(groupType, collectedWarningMessages).left()
+            .map(buildArtifactDefinitionFromCsarArtifactPath(entry, collectedWarningMessages, parsedCsarArtifactPath))
+            .either(ad -> Optional.of(new ImmutablePair<>(parsedCsarArtifactPath[1], ad)), b -> Optional.empty());
     }
 
-    private static Either<ArtifactGroupTypeEnum, Boolean> detectArtifactGroupType(String groupType, Map<String, Set<List<String>>> collectedWarningMessages) {
+    private static Either<ArtifactGroupTypeEnum, Boolean> detectArtifactGroupType(String groupType,
+                                                                                  Map<String, Set<List<String>>> collectedWarningMessages) {
         Either<ArtifactGroupTypeEnum, Boolean> result;
         try {
             ArtifactGroupTypeEnum artifactGroupType = ArtifactGroupTypeEnum.findType(groupType.toUpperCase());
-            if (artifactGroupType == null || (artifactGroupType != ArtifactGroupTypeEnum.INFORMATIONAL && artifactGroupType != ArtifactGroupTypeEnum.DEPLOYMENT)) {
+            if (artifactGroupType == null || (artifactGroupType != ArtifactGroupTypeEnum.INFORMATIONAL
+                && artifactGroupType != ArtifactGroupTypeEnum.DEPLOYMENT)) {
                 String warningMessage = "Warning - unrecognized artifact group type {} was received.";
                 List<String> messageArguments = new ArrayList<>();
                 messageArguments.add(groupType);
@@ -816,460 +180,166 @@ public class CsarUtils {
                 } else {
                     collectedWarningMessages.get(warningMessage).add(messageArguments);
                 }
-
                 result = Either.right(false);
             } else {
-
                 result = Either.left(artifactGroupType);
             }
-        } catch (Exception e) {
-            log.debug("detectArtifactGroupType failed with exception", e);
-            result = Either.right(false);
-        }
-        return result;
-    }
-
-    private static ArtifactDefinition buildArtifactDefinitionFromCsarArtifactPath(Entry<String, byte[]> entry, Map<String, Set<List<String>>> collectedWarningMessages, String[] parsedCsarArtifactPath, ArtifactGroupTypeEnum artifactGroupType) {
-        ArtifactDefinition artifact;
-        artifact = new ArtifactDefinition();
-        artifact.setArtifactGroupType(artifactGroupType);
-        artifact.setArtifactType(detectArtifactTypeVFC(artifactGroupType, parsedCsarArtifactPath[3], parsedCsarArtifactPath[1], collectedWarningMessages));
-        artifact.setArtifactName(ValidationUtils.normalizeFileName(parsedCsarArtifactPath[parsedCsarArtifactPath.length - 1]));
-        artifact.setPayloadData(Base64.encodeBase64String(entry.getValue()));
-        artifact.setArtifactDisplayName(artifact.getArtifactName().lastIndexOf('.') > 0 ? artifact.getArtifactName().substring(0, artifact.getArtifactName().lastIndexOf('.')) : artifact.getArtifactName());
-        artifact.setArtifactLabel(ValidationUtils.normalizeArtifactLabel(artifact.getArtifactName()));
-        artifact.setDescription(ARTIFACT_CREATED_FROM_CSAR);
-        artifact.setIsFromCsar(true);
-        artifact.setArtifactChecksum(GeneralUtility.calculateMD5Base64EncodedByByteArray(entry.getValue()));
-        return artifact;
-    }
-
-    @Getter
-    public static final class NonMetaArtifactInfo {
-        @Setter
-        private String artifactUniqueId;
-        private final String path;
-        private final String artifactName;
-        private final String displayName;
-        private final String artifactLabel;
-        private final String artifactType;
-        private final ArtifactGroupTypeEnum artifactGroupType;
-        private final String payloadData;
-        private final String artifactChecksum;
-        private final boolean isFromCsar;
-
-        public NonMetaArtifactInfo(final String artifactName, final String path, final String artifactType,
-                                   final ArtifactGroupTypeEnum artifactGroupType, final byte[] payloadData,
-                                   final String artifactUniqueId, final boolean isFromCsar) {
-            super();
-            this.path = path;
-            this.isFromCsar = isFromCsar;
-            this.artifactName = ValidationUtils.normalizeFileName(artifactName);
-            this.artifactType = artifactType;
-            this.artifactGroupType = artifactGroupType;
-            final int pointIndex = artifactName.lastIndexOf('.');
-            if (pointIndex > 0) {
-                displayName = artifactName.substring(0, pointIndex);
-            } else {
-                displayName = artifactName;
-            }
-            this.artifactLabel = ValidationUtils.normalizeArtifactLabel(artifactName);
-            if (payloadData == null) {
-                this.payloadData = null;
-                this.artifactChecksum = null;
-            } else {
-                this.payloadData = Base64.encodeBase64String(payloadData);
-                this.artifactChecksum = GeneralUtility.calculateMD5Base64EncodedByByteArray(payloadData);
-            }
-            this.artifactUniqueId = artifactUniqueId;
-        }
-
-    }
-
-    /**
-     * This method checks the artifact GroupType & Artifact Type. <br>
-     * if there is any problem warning messages are added to collectedWarningMessages
-     *
-     * @param artifactPath
-     * @param collectedWarningMessages
-     * @return
-     */
-    public static Either<NonMetaArtifactInfo, Boolean> validateNonMetaArtifact(
-        String artifactPath,
-        byte[] payloadData,
-        Map<String, Set<List<String>>> collectedWarningMessages
-    ) {
-        try {
-            String[] parsedArtifactPath = artifactPath.split(PATH_DELIMITER);
-            String groupType = parsedArtifactPath[1];
-            String receivedTypeName = parsedArtifactPath[2];
-            String artifactFileNameType = parsedArtifactPath[3];
-
-            return detectArtifactGroupType(groupType, collectedWarningMessages)
-                .left().bind(artifactGroupType -> {
-                    String artifactType =
-                        detectArtifactTypeVF(artifactGroupType, receivedTypeName, collectedWarningMessages);
-
-                    return Either.left(new NonMetaArtifactInfo(
-                        artifactFileNameType, artifactPath, artifactType,
-                        artifactGroupType, payloadData, null, true
-                    ));
-                });
-        } catch (Exception e) {
-            log.debug("detectArtifactGroupType failed with exception", e);
-            return Either.right(false);
-        }
-    }
-
-    private static String detectArtifactTypeVFC(ArtifactGroupTypeEnum artifactGroupType, String receivedTypeName, String parentVfName, Map<String, Set<List<String>>> collectedWarningMessages) {
-        String warningMessage = "Warning - artifact type {} that was provided for VFC {} is not recognized.";
-        return detectArtifactType(artifactGroupType, receivedTypeName, warningMessage, collectedWarningMessages, parentVfName);
-    }
-
-    private static String detectArtifactTypeVF(ArtifactGroupTypeEnum artifactGroupType, String receivedTypeName, Map<String, Set<List<String>>> collectedWarningMessages) {
-        String warningMessage = "Warning - artifact type {} that was provided for VF is not recognized.";
-        return detectArtifactType(artifactGroupType, receivedTypeName, warningMessage, collectedWarningMessages);
-    }
-
-    private static String detectArtifactType(final ArtifactGroupTypeEnum artifactGroupType,
-                                             final String receivedTypeName, final String warningMessage,
-                                             final Map<String, Set<List<String>>> collectedWarningMessages,
-                                             final String... arguments) {
-        final ArtifactConfiguration artifactConfiguration =
-            ArtifactConfigManager.getInstance()
-                .find(receivedTypeName, artifactGroupType, ComponentType.RESOURCE)
-                .orElse(null);
-
-        if (artifactConfiguration == null) {
-            final List<String> messageArguments = new ArrayList<>();
-            messageArguments.add(receivedTypeName);
-            messageArguments.addAll(Arrays.asList(arguments));
-            if (!collectedWarningMessages.containsKey(warningMessage)) {
-                final Set<List<String>> messageArgumentLists = new HashSet<>();
-                messageArgumentLists.add(messageArguments);
-                collectedWarningMessages.put(warningMessage, messageArgumentLists);
-            } else {
-                collectedWarningMessages.get(warningMessage).add(messageArguments);
-            }
-        }
-
-        return artifactConfiguration == null ? ArtifactTypeEnum.OTHER.getType() : receivedTypeName;
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeAllFilesToCsar(Component mainComponent, CsarDefinition csarDefinition, ZipOutputStream zipstream, boolean isInCertificationRequest) throws IOException{
-        ComponentArtifacts componentArtifacts = csarDefinition.getComponentArtifacts();
-
-        Either<ZipOutputStream, ResponseFormat> writeComponentArtifactsToSpecifiedPath = writeComponentArtifactsToSpecifiedPath(mainComponent, componentArtifacts, zipstream, ARTIFACTS_PATH, isInCertificationRequest);
-
-        if(writeComponentArtifactsToSpecifiedPath.isRight()){
-            return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
-        }
-
-        ComponentTypeArtifacts mainTypeAndCIArtifacts = componentArtifacts.getMainTypeAndCIArtifacts();
-        writeComponentArtifactsToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent, mainTypeAndCIArtifacts.getComponentArtifacts(), zipstream, ARTIFACTS_PATH, isInCertificationRequest);
-
-        if(writeComponentArtifactsToSpecifiedPath.isRight()){
-            return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
-        }
-
-        Map<String, ArtifactsInfo> componentInstancesArtifacts = mainTypeAndCIArtifacts.getComponentInstancesArtifacts();
-        Set<String> keySet = componentInstancesArtifacts.keySet();
-
-        String currentPath = ARTIFACTS_PATH + RESOURCES_PATH;
-        for (String keyAssetName : keySet) {
-            ArtifactsInfo artifactsInfo = componentInstancesArtifacts.get(keyAssetName);
-            String pathWithAssetName = currentPath + keyAssetName + PATH_DELIMITER;
-            writeComponentArtifactsToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent, artifactsInfo, zipstream, pathWithAssetName, isInCertificationRequest);
-
-            if(writeComponentArtifactsToSpecifiedPath.isRight()){
-                return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
-            }
-        }
-        writeComponentArtifactsToSpecifiedPath = writeOperationsArtifactsToCsar(mainComponent, zipstream);
-
-        if (writeComponentArtifactsToSpecifiedPath.isRight()) {
-            return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
-        }
-        return Either.left(zipstream);
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeOperationsArtifactsToCsar(Component component,
-            ZipOutputStream zipstream) {
-        if (checkComponentBeforeOperation(component)) return Either.left(zipstream);
-        final Map<String, InterfaceDefinition> interfaces = ((Resource) component).getInterfaces();
-        for (Map.Entry<String, InterfaceDefinition> interfaceEntry : interfaces.entrySet()) {
-            for (OperationDataDefinition operation : interfaceEntry.getValue().getOperations().values()) {
-                try {
-                    if (checkComponentBeforeWrite(component, interfaceEntry, operation)) continue;
-                    final String artifactUUID = operation.getImplementation().getArtifactUUID();
-                    final Either<byte[], ActionStatus> artifactFromCassandra = getFromCassandra(artifactUUID);
-                    final String artifactName = operation.getImplementation().getArtifactName();
-                    if (artifactFromCassandra.isRight()) {
-                        log.error(ARTIFACT_NAME_UNIQUE_ID, artifactName, artifactUUID);
-                        log.error("Failed to get {} payload from DB reason: {}", artifactName,
-                                artifactFromCassandra.right().value());
-                        return Either.right(componentsUtils.getResponseFormat(
-                                ActionStatus.ARTIFACT_PAYLOAD_NOT_FOUND_DURING_CSAR_CREATION, "Resource",
-                                component.getUniqueId(), artifactName, artifactUUID));
-                    }
-                    final byte[] payloadData = artifactFromCassandra.left().value();
-                    zipstream.putNextEntry(new ZipEntry(OperationArtifactUtil.createOperationArtifactPath(
-                            component, null, operation,true)));
-                    zipstream.write(payloadData);
-                } catch (IOException e) {
-                    log.error("Component Name {},  Interface Name {}, Operation Name {}", component.getNormalizedName(),
-                            interfaceEntry.getKey(), operation.getName());
-                    log.error("Error while writing the operation's artifacts to the CSAR " + "{}", e);
-                    return Either.right(componentsUtils
-                                                .getResponseFormat(ActionStatus.ERROR_DURING_CSAR_CREATION, "Resource",
-                                                        component.getUniqueId()));
-                }
-            }
-        }
-        return Either.left(zipstream);
-    }
-
-    private boolean checkComponentBeforeWrite(Component component, Entry<String, InterfaceDefinition> interfaceEntry, OperationDataDefinition operation) {
-        if (Objects.isNull(operation.getImplementation())) {
-            log.debug("Component Name {}, Interface Id {}, Operation Name {} - no Operation Implementation found",
-                    component.getNormalizedName(), interfaceEntry.getValue().getUniqueId(),
-                    operation.getName());
-            return true;
-        }
-        if (Objects.isNull(operation.getImplementation().getArtifactName())) {
-            log.debug("Component Name {}, Interface Id {}, Operation Name {} - no artifact found",
-                    component.getNormalizedName(), interfaceEntry.getValue().getUniqueId(),
-                    operation.getName());
-            return true;
-        }
-        if (operation.getImplementation().getArtifactName().startsWith(Constants.ESCAPED_DOUBLE_QUOTE) && operation.getImplementation().getArtifactName().endsWith(Constants.ESCAPED_DOUBLE_QUOTE)) {
-            log.debug("Component Name {}, Interface Id {}, Operation Name {} - artifact name is a literal value rather than an SDC artifact",
-                    component.getNormalizedName(), interfaceEntry.getValue().getUniqueId(),
-                    operation.getName());
-            return true;
-        }
-        return false;
-    }
-
-    private boolean checkComponentBeforeOperation(Component component) {
-        if (component instanceof Service) {
-            return true;
-        }
-        if (Objects.isNull(((Resource) component).getInterfaces())) {
-            log.debug("Component Name {}- no interfaces found", component.getNormalizedName());
-            return true;
-        }
-        return false;
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeComponentArtifactsToSpecifiedPath(Component mainComponent, ComponentArtifacts componentArtifacts, ZipOutputStream zipstream,
-            String currentPath, boolean isInCertificationRequest) throws IOException {
-        Map<String, ComponentTypeArtifacts> componentTypeArtifacts = componentArtifacts.getComponentTypeArtifacts();
-        //Keys are defined:
-        //<Inner Asset TOSCA name (e.g. VFC name)> folder name: <Inner Asset TOSCA name (e.g. VFC name)>_v<version>.
-        //E.g. "org.openecomp.resource.vf.vipr_atm_v1.0"
-        Set<String> componentTypeArtifactsKeys = componentTypeArtifacts.keySet();
-        for (String keyAssetName : componentTypeArtifactsKeys) {
-            ComponentTypeArtifacts componentInstanceArtifacts = componentTypeArtifacts.get(keyAssetName);
-            ArtifactsInfo componentArtifacts2 = componentInstanceArtifacts.getComponentArtifacts();
-            String pathWithAssetName = currentPath + keyAssetName + PATH_DELIMITER;
-            Either<ZipOutputStream, ResponseFormat> writeArtifactsInfoToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent, componentArtifacts2, zipstream, pathWithAssetName, isInCertificationRequest);
-
-            if(writeArtifactsInfoToSpecifiedPath.isRight()){
-                return writeArtifactsInfoToSpecifiedPath;
-            }
-        }
-
-        return Either.left(zipstream);
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeArtifactsInfoToSpecifiedPath(final Component mainComponent,
-                                                                                      final ArtifactsInfo currArtifactsInfo,
-                                                                                      final ZipOutputStream zip,
-                                                                                      final String path,
-                                                                                      final boolean isInCertificationRequest) throws IOException {
-        final Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfo =
-            currArtifactsInfo.getArtifactsInfo();
-        for (final ArtifactGroupTypeEnum artifactGroupTypeEnum : artifactsInfo.keySet()) {
-            final String groupTypeFolder = path + WordUtils.capitalizeFully(artifactGroupTypeEnum.getType()) + PATH_DELIMITER;
-
-            final Map<String, List<ArtifactDefinition>> artifactTypesMap = artifactsInfo.get(artifactGroupTypeEnum);
-
-            for (final String artifactType : artifactTypesMap.keySet()) {
-                final List<ArtifactDefinition> artifactDefinitionList = artifactTypesMap.get(artifactType);
-                               String artifactTypeFolder = groupTypeFolder + artifactType + PATH_DELIMITER;
-
-                               if(ArtifactTypeEnum.WORKFLOW.getType().equals(artifactType) && path.contains(ARTIFACTS_PATH + RESOURCES_PATH)){
-                                       // Ignore this packaging as BPMN artifacts needs to be packaged in different manner
-                                       continue;
-                               }
-                               if (ArtifactTypeEnum.WORKFLOW.getType().equals(artifactType)) {
-                                       artifactTypeFolder += OperationArtifactUtil.BPMN_ARTIFACT_PATH + File.separator;
-                               }
-
-                Either<ZipOutputStream, ResponseFormat> writeArtifactDefinition =
-                    writeArtifactDefinition(mainComponent, zip, artifactDefinitionList, artifactTypeFolder, isInCertificationRequest);
-
-                if (writeArtifactDefinition.isRight()) {
-                    return writeArtifactDefinition;
-                }
-            }
-        }
-
-        return Either.left(zip);
-    }
-
-    private Either<ZipOutputStream, ResponseFormat> writeArtifactDefinition(Component mainComponent, ZipOutputStream zip, List<ArtifactDefinition> artifactDefinitionList,
-            String artifactPathAndFolder, boolean isInCertificationRequest) throws IOException {
-
-        ComponentTypeEnum componentType = mainComponent.getComponentType();
-        String heatEnvType = ArtifactTypeEnum.HEAT_ENV.getType();
-
-        for (ArtifactDefinition artifactDefinition : artifactDefinitionList) {
-            if (!isInCertificationRequest && componentType == ComponentTypeEnum.SERVICE
-                        && artifactDefinition.getArtifactType().equals(heatEnvType) ||
-                        //this is placeholder
-                        (artifactDefinition.getEsId() == null && artifactDefinition.getMandatory())){
-                continue;
-            }
-
-            byte[] payloadData = artifactDefinition.getPayloadData();
-            String artifactFileName = artifactDefinition.getArtifactName();
-
-            if (payloadData == null) {
-                Either<byte[], ActionStatus> fromCassandra = getFromCassandra(artifactDefinition.getEsId());
-
-                if (fromCassandra.isRight()) {
-                    log.debug(ARTIFACT_NAME_UNIQUE_ID, artifactDefinition.getArtifactName(), artifactDefinition.getUniqueId());
-                    log.debug("Failed to get {} payload from DB reason: {}", artifactFileName, fromCassandra.right().value());
-                    continue;
-                }
-                payloadData = fromCassandra.left().value();
-            }
-            zip.putNextEntry(new ZipEntry(artifactPathAndFolder + artifactFileName));
-            zip.write(payloadData);
-        }
-
-        return Either.left(zip);
-    }
-
-    /************************************ Artifacts Structure ******************************************************************/
-    /**
-     * The artifacts Definition saved by their structure
-     */
-    private class ArtifactsInfo {
-        //Key is the type of artifacts(Informational/Deployment)
-        //Value is a map between an artifact type and a list of all artifacts of this type
-        private Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfoField;
-
-        public ArtifactsInfo() {
-            this.artifactsInfoField = new EnumMap<>(ArtifactGroupTypeEnum.class);
-        }
-
-        public Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> getArtifactsInfo() {
-            return artifactsInfoField;
-        }
-
-        public void addArtifactsToGroup(ArtifactGroupTypeEnum artifactGroup,
-                                        Map<String, List<ArtifactDefinition>> artifactsDefinition) {
-                       if (artifactsInfoField.get(artifactGroup) == null) {
-                               artifactsInfoField.put(artifactGroup, artifactsDefinition);
-                       } else {
-                               Map<String, List<ArtifactDefinition>> artifactTypeEnumListMap =
-                                               artifactsInfoField.get(artifactGroup);
-                               artifactTypeEnumListMap.putAll(artifactsDefinition);
-                               artifactsInfoField.put(artifactGroup, artifactTypeEnumListMap);
-                       }
-
-        }
-
-        public boolean isEmpty() {
-            return artifactsInfoField.isEmpty();
-        }
-
-        public boolean isNotEmpty() {
-            return !isEmpty();
-        }
-
-    }
-
-    /**
-     * The artifacts of the component and of all its composed instances
-     *
-     */
-    private class ComponentTypeArtifacts {
-        private ArtifactsInfo componentArtifacts;    //component artifacts (describes the Informational Deployment folders)
-        private Map<String, ArtifactsInfo> componentInstancesArtifacts;        //artifacts of the composed instances mapped by the resourceInstance normalized name (describes the Resources folder)
-
-        public ComponentTypeArtifacts() {
-            componentArtifacts = new ArtifactsInfo();
-            componentInstancesArtifacts = new HashMap<>();
+        } catch (Exception e) {
+            log.debug("detectArtifactGroupType failed with exception", e);
+            result = Either.right(false);
         }
+        return result;
+    }
 
-        public ArtifactsInfo getComponentArtifacts() {
-            return componentArtifacts;
-        }
-        public void setComponentArtifacts(ArtifactsInfo artifactsInfo) {
-            this.componentArtifacts = artifactsInfo;
-        }
-        public Map<String, ArtifactsInfo> getComponentInstancesArtifacts() {
-            return componentInstancesArtifacts;
-        }
-        public void setComponentInstancesArtifacts(Map<String, ArtifactsInfo> componentInstancesArtifacts) {
-            this.componentInstancesArtifacts = componentInstancesArtifacts;
-        }
+    private static F<ArtifactGroupTypeEnum, ArtifactDefinition> buildArtifactDefinitionFromCsarArtifactPath(Entry<String, byte[]> entry,
+                                                                                                            Map<String, Set<List<String>>> collectedWarningMessages,
+                                                                                                            String[] parsedCsarArtifactPath) {
+        return artifactGroupType -> {
+            ArtifactDefinition artifact;
+            artifact = new ArtifactDefinition();
+            artifact.setArtifactGroupType(artifactGroupType);
+            artifact.setArtifactType(
+                detectArtifactTypeVFC(artifactGroupType, parsedCsarArtifactPath[3], parsedCsarArtifactPath[1], collectedWarningMessages));
+            artifact.setArtifactName(ValidationUtils.normalizeFileName(parsedCsarArtifactPath[parsedCsarArtifactPath.length - 1]));
+            artifact.setPayloadData(Base64.encodeBase64String(entry.getValue()));
+            artifact.setArtifactDisplayName(
+                artifact.getArtifactName().lastIndexOf('.') > 0 ? artifact.getArtifactName().substring(0, artifact.getArtifactName().lastIndexOf('.'))
+                    : artifact.getArtifactName());
+            artifact.setArtifactLabel(ValidationUtils.normalizeArtifactLabel(artifact.getArtifactName()));
+            artifact.setDescription(ARTIFACT_CREATED_FROM_CSAR);
+            artifact.setIsFromCsar(true);
+            artifact.setArtifactChecksum(GeneralUtility.calculateMD5Base64EncodedByByteArray(entry.getValue()));
+            return artifact;
+        };
+    }
 
-        public void addComponentInstancesArtifacts(String normalizedName, ArtifactsInfo artifactsInfo) {
-            componentInstancesArtifacts.put(normalizedName, artifactsInfo);
+    /**
+     * This method checks the artifact GroupType & Artifact Type. <br> if there is any problem warning messages are added to collectedWarningMessages
+     *
+     * @param artifactPath
+     * @param collectedWarningMessages
+     * @return
+     */
+    public static Either<NonMetaArtifactInfo, Boolean> validateNonMetaArtifact(String artifactPath, byte[] payloadData,
+                                                                               Map<String, Set<List<String>>> collectedWarningMessages) {
+        try {
+            String[] parsedArtifactPath = artifactPath.split(PATH_DELIMITER);
+            String groupType = parsedArtifactPath[1];
+            String receivedTypeName = parsedArtifactPath[2];
+            String artifactFileNameType = parsedArtifactPath[3];
+            return detectArtifactGroupType(groupType, collectedWarningMessages).left().bind(artifactGroupType -> {
+                String artifactType = detectArtifactTypeVF(artifactGroupType, receivedTypeName, collectedWarningMessages);
+                return Either
+                    .left(new NonMetaArtifactInfo(artifactFileNameType, artifactPath, artifactType, artifactGroupType, payloadData, null, true));
+            });
+        } catch (Exception e) {
+            log.debug("detectArtifactGroupType failed with exception", e);
+            return Either.right(false);
         }
-
     }
 
-    private class ComponentArtifacts {
-        //artifacts of the component and CI's artifacts contained in it's composition (represents Informational, Deployment & Resource folders of main component)
-        private ComponentTypeArtifacts mainTypeAndCIArtifacts;
-        //artifacts of all component types mapped by their tosca name
-        private Map<String, ComponentTypeArtifacts> componentTypeArtifacts;
-
-        public ComponentArtifacts(){
-            mainTypeAndCIArtifacts = new ComponentTypeArtifacts();
-            componentTypeArtifacts = new HashMap<>();
-        }
+    private static String detectArtifactTypeVFC(ArtifactGroupTypeEnum artifactGroupType, String receivedTypeName, String parentVfName,
+                                                Map<String, Set<List<String>>> collectedWarningMessages) {
+        String warningMessage = "Warning - artifact type {} that was provided for VFC {} is not recognized.";
+        return detectArtifactType(artifactGroupType, receivedTypeName, warningMessage, collectedWarningMessages, parentVfName);
+    }
 
-        public ComponentTypeArtifacts getMainTypeAndCIArtifacts() {
-            return mainTypeAndCIArtifacts;
-        }
+    private static String detectArtifactTypeVF(ArtifactGroupTypeEnum artifactGroupType, String receivedTypeName,
+                                               Map<String, Set<List<String>>> collectedWarningMessages) {
+        String warningMessage = "Warning - artifact type {} that was provided for VF is not recognized.";
+        return detectArtifactType(artifactGroupType, receivedTypeName, warningMessage, collectedWarningMessages);
+    }
 
-        public void setMainTypeAndCIArtifacts(ComponentTypeArtifacts componentInstanceArtifacts) {
-            this.mainTypeAndCIArtifacts = componentInstanceArtifacts;
+    private static String detectArtifactType(final ArtifactGroupTypeEnum artifactGroupType, final String receivedTypeName,
+                                             final String warningMessage, final Map<String, Set<List<String>>> collectedWarningMessages,
+                                             final String... arguments) {
+        final ArtifactConfiguration artifactConfiguration = ArtifactConfigManager.getInstance()
+            .find(receivedTypeName, artifactGroupType, ComponentType.RESOURCE).orElse(null);
+        if (artifactConfiguration == null) {
+            final List<String> messageArguments = new ArrayList<>();
+            messageArguments.add(receivedTypeName);
+            messageArguments.addAll(Arrays.asList(arguments));
+            if (!collectedWarningMessages.containsKey(warningMessage)) {
+                final Set<List<String>> messageArgumentLists = new HashSet<>();
+                messageArgumentLists.add(messageArguments);
+                collectedWarningMessages.put(warningMessage, messageArgumentLists);
+            } else {
+                collectedWarningMessages.get(warningMessage).add(messageArguments);
+            }
         }
+        return artifactConfiguration == null ? ArtifactTypeEnum.OTHER.getType() : receivedTypeName;
+    }
 
-        public Map<String, ComponentTypeArtifacts> getComponentTypeArtifacts() {
-            return componentTypeArtifacts;
-        }
+    /**
+     * @param component
+     * @param getFromCS
+     * @param isInCertificationRequest
+     * @return
+     */
+    public Either<byte[], ResponseFormat> createCsar(final Component component, final boolean getFromCS, final boolean isInCertificationRequest) {
+        loggerSupportability
+            .log(LoggerSupportabilityActions.GENERATE_CSAR, StatusCode.STARTED, "Starting to create Csar for component {} ", component.getName());
+        final String toscaConformanceLevel = ConfigurationManager.getConfigurationManager().getConfiguration().getToscaConformanceLevel();
+        final byte[] csarBlock0Byte = createCsarBlock0(CSAR_META_VERSION, toscaConformanceLevel).getBytes();
+
+        return generateCsarZip(csarBlock0Byte,
+            isAsdPackage(component), component, getFromCS, isInCertificationRequest).left().map(responseFormat -> {
+            loggerSupportability
+                .log(LoggerSupportabilityActions.GENERATE_CSAR, StatusCode.COMPLETE, "Ended create Csar for component {} ", component.getName());
+            return responseFormat;
+        });
+    }
 
-        public void setComponentTypeArtifacts(Map<String, ComponentTypeArtifacts> componentTypeArtifacts) {
-            this.componentTypeArtifacts = componentTypeArtifacts;
+    private boolean isAsdPackage(final Component component) {
+        final Either<CsarDefinition, ResponseFormat> collectedComponentCsarDefinition = collectComponentCsarDefinition(component);
+        if (collectedComponentCsarDefinition.isLeft()) {
+            final ComponentArtifacts componentArtifacts = collectedComponentCsarDefinition.left().value().getComponentArtifacts();
+            if (componentArtifacts != null) {
+                final ComponentTypeArtifacts mainTypeAndCIArtifacts = componentArtifacts.getMainTypeAndCIArtifacts();
+                if (mainTypeAndCIArtifacts != null) {
+                    final ArtifactsInfo artifactsInfo = mainTypeAndCIArtifacts.getComponentArtifacts();
+                    if (artifactsInfo != null) {
+                        final Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfosMap = artifactsInfo.getArtifactsInfo();
+                        if (MapUtils.isNotEmpty(artifactsInfosMap) && artifactsInfosMap.containsKey(ArtifactGroupTypeEnum.DEPLOYMENT)) {
+                            return artifactsInfosMap.get(ArtifactGroupTypeEnum.DEPLOYMENT).containsKey(ArtifactTypeEnum.ASD_PACKAGE.getType());
+                        }
+                    }
+                }
+            }
         }
+        return false;
     }
 
-    private class CsarDefinition {
-        private ComponentArtifacts componentArtifacts;
-
-        // add list of tosca artifacts and meta describes CSAR zip root
-
-        public CsarDefinition(ComponentArtifacts componentArtifacts) {
-            this.componentArtifacts = componentArtifacts;
+    private Either<byte[], ResponseFormat> generateCsarZip(byte[] csarBlock0Byte,
+                                                           boolean isAsdPackage,
+                                                           Component component,
+                                                           boolean getFromCS,
+                                                           boolean isInCertificationRequest) {
+        try (final ByteArrayOutputStream out = new ByteArrayOutputStream(); ZipOutputStream zip = new ZipOutputStream(out)) {
+            zip.putNextEntry(new ZipEntry(CSAR_META_PATH_FILE_NAME));
+            zip.write(csarBlock0Byte);
+            Either<ZipOutputStream, ResponseFormat> populateZip = mapFromModelCsarGeneratorService.generateCsarZip(
+                component, getFromCS, zip, isInCertificationRequest, isAsdPackage);
+            if (populateZip.isRight()) {
+                log.debug("Failed to populate CSAR zip file {}. Please fix DB table accordingly ", populateZip.right().value());
+                return Either.right(populateZip.right().value());
+            }
+            zip.finish();
+            return Either.left(out.toByteArray());
+        } catch (IOException e) {
+            log.debug("Failed with IOexception to create CSAR zip for component {}. Please fix DB table accordingly ", component.getUniqueId(), e);
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR);
+            return Either.right(responseFormat);
         }
+    }
 
-        public ComponentArtifacts getComponentArtifacts() {
-            return componentArtifacts;
-        }
+    private String createCsarBlock0(String metaFileVersion, String toscaConformanceLevel) {
+        return String.format(BLOCK_0_TEMPLATE, metaFileVersion, toscaConformanceLevel);
     }
 
     /************************************ Artifacts Structure END******************************************************************/
 
-    private Either<CsarDefinition,ResponseFormat> collectComponentCsarDefinition(Component component){
+    private Either<CsarDefinition, ResponseFormat> collectComponentCsarDefinition(Component component) {
         ComponentArtifacts componentArtifacts = new ComponentArtifacts();
         Component updatedComponent = component;
 
@@ -1277,7 +347,7 @@ public class CsarUtils {
         if (updatedComponent.getComponentType() == ComponentTypeEnum.SERVICE) {
             Either<Service, StorageOperationStatus> getServiceResponse = toscaOperationFacade.getToscaElement(updatedComponent.getUniqueId());
 
-            if(getServiceResponse.isRight()){
+            if (getServiceResponse.isRight()) {
                 ActionStatus actionStatus = componentsUtils.convertFromStorageResponse(getServiceResponse.right().value());
                 return Either.right(componentsUtils.getResponseFormat(actionStatus));
             }
@@ -1291,22 +361,23 @@ public class CsarUtils {
         componentInstanceArtifacts.setComponentArtifacts(artifactsInfo);
         componentArtifacts.setMainTypeAndCIArtifacts(componentInstanceArtifacts);
 
-        Map<String,ComponentTypeArtifacts> resourceTypeArtifacts = componentArtifacts.getComponentTypeArtifacts();    //artifacts mapped by the component type(tosca name+version)
+        Map<String, ComponentTypeArtifacts> resourceTypeArtifacts = componentArtifacts
+            .getComponentTypeArtifacts();    //artifacts mapped by the component type(tosca name+version)
         //get the component instances
         List<ComponentInstance> componentInstances = updatedComponent.getComponentInstances();
-        if (componentInstances!=null){
-            for (ComponentInstance componentInstance:componentInstances){
+        if (componentInstances != null) {
+            for (ComponentInstance componentInstance : componentInstances) {
                 //call recursive to find artifacts for all the path
                 Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts = collectComponentInstanceArtifacts(
-                        updatedComponent, componentInstance, resourceTypeArtifacts, componentInstanceArtifacts);
-                if (collectComponentInstanceArtifacts.isRight()){
+                    updatedComponent, componentInstance, resourceTypeArtifacts, componentInstanceArtifacts);
+                if (collectComponentInstanceArtifacts.isRight()) {
                     return Either.right(collectComponentInstanceArtifacts.right().value());
                 }
             }
         }
 
-        if(log.isDebugEnabled()){
-            printResult(componentArtifacts,updatedComponent.getName());
+        if (log.isDebugEnabled()) {
+            printResult(componentArtifacts, updatedComponent.getName());
         }
 
         return Either.left(new CsarDefinition(componentArtifacts));
@@ -1318,23 +389,25 @@ public class CsarUtils {
         ComponentTypeArtifacts componentInstanceArtifacts = componentArtifacts.getMainTypeAndCIArtifacts();
         printArtifacts(componentInstanceArtifacts);
         result.append("Type Artifacts\n");
-        for (Map.Entry<String, ComponentTypeArtifacts> typeArtifacts:componentArtifacts.getComponentTypeArtifacts().entrySet()){
+        for (Entry<String, ComponentTypeArtifacts> typeArtifacts : componentArtifacts.getComponentTypeArtifacts().entrySet()) {
             result.append("Folder " + typeArtifacts.getKey() + "\n");
             result.append(printArtifacts(typeArtifacts.getValue()));
         }
 
-        if(log.isDebugEnabled()){
+        if (log.isDebugEnabled()) {
             log.debug(result.toString());
         }
     }
 
+    /************************************ Artifacts Structure ******************************************************************/
+
     private String printArtifacts(ComponentTypeArtifacts componentInstanceArtifacts) {
         StringBuilder result = new StringBuilder();
         ArtifactsInfo artifactsInfo = componentInstanceArtifacts.getComponentArtifacts();
         Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componentArtifacts = artifactsInfo.getArtifactsInfo();
         printArtifacts(componentArtifacts);
         result = result.append("Resources\n");
-        for (Map.Entry<String, ArtifactsInfo> resourceInstance:componentInstanceArtifacts.getComponentInstancesArtifacts().entrySet()){
+        for (Entry<String, ArtifactsInfo> resourceInstance : componentInstanceArtifacts.getComponentInstancesArtifacts().entrySet()) {
             result.append("Folder" + resourceInstance.getKey() + "\n");
             result.append(printArtifacts(resourceInstance.getValue().getArtifactsInfo()));
         }
@@ -1344,11 +417,11 @@ public class CsarUtils {
 
     private String printArtifacts(Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componetArtifacts) {
         StringBuilder result = new StringBuilder();
-        for (Map.Entry<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactGroup:componetArtifacts.entrySet()){
+        for (Entry<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactGroup : componetArtifacts.entrySet()) {
             result.append("    " + artifactGroup.getKey().getType());
-            for (Map.Entry<String, List<ArtifactDefinition>> groupArtifacts:artifactGroup.getValue().entrySet()){
+            for (Entry<String, List<ArtifactDefinition>> groupArtifacts : artifactGroup.getValue().entrySet()) {
                 result.append("        " + groupArtifacts.getKey());
-                for (ArtifactDefinition artifact:groupArtifacts.getValue()){
+                for (ArtifactDefinition artifact : groupArtifacts.getValue()) {
                     result.append("            " + artifact.getArtifactDisplayName());
                 }
             }
@@ -1357,9 +430,7 @@ public class CsarUtils {
         return result.toString();
     }
 
-    private ComponentTypeArtifacts collectComponentTypeArtifacts(
-        Component fetchedComponent
-    ) {
+    private ComponentTypeArtifacts collectComponentTypeArtifacts(Component fetchedComponent) {
         ArtifactsInfo componentArtifacts = collectComponentArtifacts(fetchedComponent);
         ComponentTypeArtifacts componentArtifactsInfo = new ComponentTypeArtifacts();
         if (componentArtifacts.isNotEmpty()) {
@@ -1368,24 +439,24 @@ public class CsarUtils {
         return componentArtifactsInfo;
     }
 
-    private Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts(Component parentComponent,ComponentInstance componentInstance,
-            Map<String, ComponentTypeArtifacts> resourcesTypeArtifacts,ComponentTypeArtifacts instanceArtifactsLocation) {
+    private Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts(Component parentComponent, ComponentInstance componentInstance,
+                                                                              Map<String, ComponentTypeArtifacts> resourcesTypeArtifacts,
+                                                                              ComponentTypeArtifacts instanceArtifactsLocation) {
         //1. get the component instance component
         String componentUid;
         if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
-                       componentUid = componentInstance.getSourceModelUid();
-               }
-               else {
-                       componentUid = componentInstance.getComponentUid();
-               }
+            componentUid = componentInstance.getSourceModelUid();
+        } else {
+            componentUid = componentInstance.getComponentUid();
+        }
         Either<Component, StorageOperationStatus> component = toscaOperationFacade.getToscaElement(componentUid);
-               if (component.isRight()) {
-            log.error("Failed to fetch resource with id {} for instance {}",componentUid, parentComponent.getUUID());
+        if (component.isRight()) {
+            log.error("Failed to fetch resource with id {} for instance {}", componentUid, parentComponent.getUUID());
             return Either.right(componentsUtils.getResponseFormat(ActionStatus.ASSET_NOT_FOUND_DURING_CSAR_CREATION,
-                    parentComponent.getComponentType().getValue(), parentComponent.getUUID(),
-                    componentInstance.getOriginType().getComponentType().getValue(), componentUid));
+                parentComponent.getComponentType().getValue(), parentComponent.getUUID(),
+                componentInstance.getOriginType().getComponentType().getValue(), componentUid));
         }
-               Component fetchedComponent = component.left().value();
+        Component fetchedComponent = component.left().value();
 
         //2. fill the artifacts for the current component parent type
         String toscaComponentName =
@@ -1402,31 +473,31 @@ public class CsarUtils {
 
         //3. find the artifacts specific to the instance
         Map<String, List<ArtifactDefinition>> componentInstanceSpecificInformationalArtifacts =
-                getComponentInstanceSpecificArtifacts(componentInstance.getArtifacts(),
-                        componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.INFORMATIONAL);
+            getComponentInstanceSpecificArtifacts(componentInstance.getArtifacts(),
+                componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.INFORMATIONAL);
         Map<String, List<ArtifactDefinition>> componentInstanceSpecificDeploymentArtifacts =
-                getComponentInstanceSpecificArtifacts(componentInstance.getDeploymentArtifacts(),
-                        componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.DEPLOYMENT);
+            getComponentInstanceSpecificArtifacts(componentInstance.getDeploymentArtifacts(),
+                componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.DEPLOYMENT);
 
         //4. add the instances artifacts to the component type
         ArtifactsInfo artifactsInfo = new ArtifactsInfo();
-        if (!componentInstanceSpecificInformationalArtifacts.isEmpty()){
+        if (!componentInstanceSpecificInformationalArtifacts.isEmpty()) {
             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.INFORMATIONAL, componentInstanceSpecificInformationalArtifacts);
         }
-        if (!componentInstanceSpecificDeploymentArtifacts.isEmpty()){
+        if (!componentInstanceSpecificDeploymentArtifacts.isEmpty()) {
             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.DEPLOYMENT, componentInstanceSpecificDeploymentArtifacts);
         }
-        if (!artifactsInfo.isEmpty()){
+        if (!artifactsInfo.isEmpty()) {
             instanceArtifactsLocation.addComponentInstancesArtifacts(componentInstance.getNormalizedName(), artifactsInfo);
         }
 
         //5. do the same for all the component instances
         List<ComponentInstance> componentInstances = fetchedComponent.getComponentInstances();
-        if (componentInstances!=null){
-            for (ComponentInstance childComponentInstance:componentInstances){
+        if (componentInstances != null) {
+            for (ComponentInstance childComponentInstance : componentInstances) {
                 Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts = collectComponentInstanceArtifacts(
-                        fetchedComponent, childComponentInstance, resourcesTypeArtifacts, componentParentArtifacts);
-                if (collectComponentInstanceArtifacts.isRight()){
+                    fetchedComponent, childComponentInstance, resourcesTypeArtifacts, componentParentArtifacts);
+                if (collectComponentInstanceArtifacts.isRight()) {
                     return collectComponentInstanceArtifacts;
                 }
             }
@@ -1435,28 +506,23 @@ public class CsarUtils {
         return Either.left(true);
     }
 
-    public String getVersionFirstThreeOctets() {
-        return versionFirstThreeOctets;
-    }
-
-    public void setVersionFirstThreeOctets(String versionFirstThreeOctetes) {
-        this.versionFirstThreeOctets = versionFirstThreeOctetes;
-    }
     private Map<String, List<ArtifactDefinition>> getComponentInstanceSpecificArtifacts(Map<String, ArtifactDefinition> componentArtifacts,
-            Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componentTypeArtifacts, ArtifactGroupTypeEnum artifactGroupTypeEnum) {
-        Map<String, List<ArtifactDefinition>> parentArtifacts = componentTypeArtifacts.get(artifactGroupTypeEnum);    //the artfiacts of the component itself and not the instance
+                                                                                        Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componentTypeArtifacts,
+                                                                                        ArtifactGroupTypeEnum artifactGroupTypeEnum) {
+        Map<String, List<ArtifactDefinition>> parentArtifacts = componentTypeArtifacts
+            .get(artifactGroupTypeEnum);    //the artfiacts of the component itself and not the instance
 
         Map<String, List<ArtifactDefinition>> artifactsByTypeOfComponentInstance = new HashMap<>();
-        if (componentArtifacts!=null){
-            for (ArtifactDefinition artifact:componentArtifacts.values()){
+        if (componentArtifacts != null) {
+            for (ArtifactDefinition artifact : componentArtifacts.values()) {
                 List<ArtifactDefinition> parentArtifactsByType = null;
-                if (parentArtifacts!=null){
+                if (parentArtifacts != null) {
                     parentArtifactsByType = parentArtifacts.get(artifact.getArtifactType());
                 }
                 //the artifact is of instance
-                if (parentArtifactsByType == null || !parentArtifactsByType.contains(artifact)){
+                if (parentArtifactsByType == null || !parentArtifactsByType.contains(artifact)) {
                     List<ArtifactDefinition> typeArtifacts = artifactsByTypeOfComponentInstance.get(artifact.getArtifactType());
-                    if (typeArtifacts == null){
+                    if (typeArtifacts == null) {
                         typeArtifacts = new ArrayList<>();
                         artifactsByTypeOfComponentInstance.put(artifact.getArtifactType(), typeArtifacts);
                     }
@@ -1473,27 +539,19 @@ public class CsarUtils {
         Map<String, List<ArtifactDefinition>> informationalArtifactsByType = collectGroupArtifacts(informationalArtifacts);
         Map<String, ArtifactDefinition> deploymentArtifacts = component.getDeploymentArtifacts();
         Map<String, List<ArtifactDefinition>> deploymentArtifactsByType = collectGroupArtifacts(deploymentArtifacts);
-               Map<String, ArtifactDefinition> interfaceOperationArtifacts =
-                               OperationArtifactUtil.getDistinctInterfaceOperationArtifactsByName(component);
-               Map<String, List<ArtifactDefinition>> interfaceOperationArtifactsByType = collectGroupArtifacts(
-                               interfaceOperationArtifacts);
         ArtifactsInfo artifactsInfo = new ArtifactsInfo();
-        if (!informationalArtifactsByType.isEmpty()){
+        if (!informationalArtifactsByType.isEmpty()) {
             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.INFORMATIONAL, informationalArtifactsByType);
         }
-        if (!deploymentArtifactsByType.isEmpty() ){
+        if (!deploymentArtifactsByType.isEmpty(){
             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.DEPLOYMENT, deploymentArtifactsByType);
-               }
-               //Add component interface operation artifacts
-               if(MapUtils.isNotEmpty(interfaceOperationArtifacts)) {
-                       artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.DEPLOYMENT, interfaceOperationArtifactsByType);
         }
 
         return artifactsInfo;
     }
 
     private Map<String, List<ArtifactDefinition>> collectGroupArtifacts(
-            final Map<String, ArtifactDefinition> componentArtifacts) {
+        final Map<String, ArtifactDefinition> componentArtifacts) {
         final Map<String, List<ArtifactDefinition>> artifactsByType = new HashMap<>();
         for (final ArtifactDefinition artifact : componentArtifacts.values()) {
             if (artifact.getArtifactUUID() != null) {
@@ -1504,4 +562,153 @@ public class CsarUtils {
         }
         return artifactsByType;
     }
+
+
+    @Getter
+    public static final class NonMetaArtifactInfo {
+
+        private final String path;
+        private final String artifactName;
+        private final String displayName;
+        private final String artifactLabel;
+        private final String artifactType;
+        private final ArtifactGroupTypeEnum artifactGroupType;
+        private final String payloadData;
+        private final String artifactChecksum;
+        private final boolean isFromCsar;
+        @Setter
+        private String artifactUniqueId;
+
+        public NonMetaArtifactInfo(final String artifactName, final String path, final String artifactType,
+                                   final ArtifactGroupTypeEnum artifactGroupType, final byte[] payloadData, final String artifactUniqueId,
+                                   final boolean isFromCsar) {
+            this.path = path;
+            this.isFromCsar = isFromCsar;
+            this.artifactName = ValidationUtils.normalizeFileName(artifactName);
+            this.artifactType = artifactType;
+            this.artifactGroupType = artifactGroupType;
+            final int pointIndex = artifactName.lastIndexOf('.');
+            if (pointIndex > 0) {
+                displayName = artifactName.substring(0, pointIndex);
+            } else {
+                displayName = artifactName;
+            }
+            this.artifactLabel = ValidationUtils.normalizeArtifactLabel(artifactName);
+            if (payloadData == null) {
+                this.payloadData = null;
+                this.artifactChecksum = null;
+            } else {
+                this.payloadData = Base64.encodeBase64String(payloadData);
+                this.artifactChecksum = GeneralUtility.calculateMD5Base64EncodedByByteArray(payloadData);
+            }
+            this.artifactUniqueId = artifactUniqueId;
+        }
+    }
+
+    /**
+     * The artifacts Definition saved by their structure
+     */
+    private class ArtifactsInfo {
+        //Key is the type of artifacts(Informational/Deployment)
+
+        //Value is a map between an artifact type and a list of all artifacts of this type
+        private Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfoField;
+
+        public ArtifactsInfo() {
+            this.artifactsInfoField = new EnumMap<>(ArtifactGroupTypeEnum.class);
+        }
+
+        public Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> getArtifactsInfo() {
+            return artifactsInfoField;
+        }
+
+        public void addArtifactsToGroup(ArtifactGroupTypeEnum artifactGroup, Map<String, List<ArtifactDefinition>> artifactsDefinition) {
+            if (artifactsInfoField.get(artifactGroup) == null) {
+                artifactsInfoField.put(artifactGroup, artifactsDefinition);
+            } else {
+                Map<String, List<ArtifactDefinition>> artifactTypeEnumListMap = artifactsInfoField.get(artifactGroup);
+                artifactTypeEnumListMap.putAll(artifactsDefinition);
+                artifactsInfoField.put(artifactGroup, artifactTypeEnumListMap);
+            }
+        }
+
+        public boolean isEmpty() {
+            return artifactsInfoField.isEmpty();
+        }
+
+        public boolean isNotEmpty() {
+            return !isEmpty();
+        }
+    }
+
+    /**
+     * The artifacts of the component and of all its composed instances
+     */
+    private class ComponentTypeArtifacts {
+
+        private ArtifactsInfo componentArtifacts;    //component artifacts (describes the Informational Deployment folders)
+
+        private Map<String, ArtifactsInfo> componentInstancesArtifacts;        //artifacts of the composed instances mapped by the resourceInstance normalized name (describes the Resources folder)
+
+        public ComponentTypeArtifacts() {
+            componentArtifacts = new ArtifactsInfo();
+            componentInstancesArtifacts = new HashMap<>();
+        }
+
+        public ArtifactsInfo getComponentArtifacts() {
+            return componentArtifacts;
+        }
+
+        public void setComponentArtifacts(ArtifactsInfo artifactsInfo) {
+            this.componentArtifacts = artifactsInfo;
+        }
+
+        public Map<String, ArtifactsInfo> getComponentInstancesArtifacts() {
+            return componentInstancesArtifacts;
+        }
+
+        public void addComponentInstancesArtifacts(String normalizedName, ArtifactsInfo artifactsInfo) {
+            componentInstancesArtifacts.put(normalizedName, artifactsInfo);
+        }
+    }
+
+    private class ComponentArtifacts {
+
+        //artifacts of the component and CI's artifacts contained in it's composition (represents Informational, Deployment & Resource folders of main component)
+        private ComponentTypeArtifacts mainTypeAndCIArtifacts;
+        //artifacts of all component types mapped by their tosca name
+        private Map<String, ComponentTypeArtifacts> componentTypeArtifacts;
+
+        public ComponentArtifacts() {
+            mainTypeAndCIArtifacts = new ComponentTypeArtifacts();
+            componentTypeArtifacts = new HashMap<>();
+        }
+
+        public ComponentTypeArtifacts getMainTypeAndCIArtifacts() {
+            return mainTypeAndCIArtifacts;
+        }
+
+        public void setMainTypeAndCIArtifacts(ComponentTypeArtifacts componentInstanceArtifacts) {
+            this.mainTypeAndCIArtifacts = componentInstanceArtifacts;
+        }
+
+        public Map<String, ComponentTypeArtifacts> getComponentTypeArtifacts() {
+            return componentTypeArtifacts;
+        }
+    }
+
+    private class CsarDefinition {
+
+        private ComponentArtifacts componentArtifacts;
+
+        // add list of tosca artifacts and meta describes CSAR zip root
+        public CsarDefinition(ComponentArtifacts componentArtifacts) {
+            this.componentArtifacts = componentArtifacts;
+        }
+
+        public ComponentArtifacts getComponentArtifacts() {
+            return componentArtifacts;
+        }
+    }
 }
+