/*
- * ============LICENSE_START=======================================================
+ * ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
- * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2020-2022 Bell Canada.
+ * Modifications Copyright (C) 2021 Pantheon.tech
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
package org.onap.cps.spi.impl;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableSet;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
import java.util.Collection;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import java.util.Set;
+import java.util.regex.Pattern;
import java.util.stream.Collectors;
import javax.transaction.Transactional;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.hibernate.exception.ConstraintViolationException;
+import org.onap.cps.spi.CpsAdminPersistenceService;
import org.onap.cps.spi.CpsModulePersistenceService;
-import org.onap.cps.spi.entities.Dataspace;
-import org.onap.cps.spi.entities.SchemaSet;
-import org.onap.cps.spi.entities.YangResource;
-import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
+import org.onap.cps.spi.entities.SchemaSetEntity;
+import org.onap.cps.spi.entities.YangResourceEntity;
+import org.onap.cps.spi.entities.YangResourceModuleReference;
+import org.onap.cps.spi.exceptions.AlreadyDefinedException;
+import org.onap.cps.spi.exceptions.DuplicatedYangResourceException;
+import org.onap.cps.spi.exceptions.ModelValidationException;
+import org.onap.cps.spi.model.ModuleReference;
+import org.onap.cps.spi.repository.AnchorRepository;
import org.onap.cps.spi.repository.DataspaceRepository;
+import org.onap.cps.spi.repository.FragmentRepository;
import org.onap.cps.spi.repository.SchemaSetRepository;
import org.onap.cps.spi.repository.YangResourceRepository;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
+import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
+import org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangModelDependencyInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.retry.annotation.Backoff;
+import org.springframework.retry.annotation.Retryable;
import org.springframework.stereotype.Component;
-import org.springframework.util.DigestUtils;
+
@Component
+@Slf4j
public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
+ private static final String YANG_RESOURCE_CHECKSUM_CONSTRAINT_NAME = "yang_resource_checksum_key";
+ private static final Pattern CHECKSUM_EXCEPTION_PATTERN = Pattern.compile(".*\\(checksum\\)=\\((\\w+)\\).*");
+ private static final Pattern RFC6020_RECOMMENDED_FILENAME_PATTERN = Pattern
+ .compile("([\\w-]+)@(\\d{4}-\\d{2}-\\d{2})(?:\\.yang)?", Pattern.CASE_INSENSITIVE);
+
@Autowired
private YangResourceRepository yangResourceRepository;
@Autowired
private DataspaceRepository dataspaceRepository;
+ @Autowired
+ private AnchorRepository anchorRepository;
+
+ @Autowired
+ private FragmentRepository fragmentRepository;
+
+ @Autowired
+ private CpsAdminPersistenceService cpsAdminPersistenceService;
+
+ @Override
+ public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var schemaSetEntity =
+ schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
+ return schemaSetEntity.getYangResources().stream().collect(
+ Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
+ }
+
+ @Override
+ public Map<String, String> getYangSchemaSetResources(final String dataspaceName, final String anchorName) {
+ final var anchor = cpsAdminPersistenceService.getAnchor(dataspaceName, anchorName);
+ return getYangSchemaResources(dataspaceName, anchor.getSchemaSetName());
+ }
+
+ @Override
+ public Collection<ModuleReference> getYangResourceModuleReferences(final String dataspaceName) {
+ final Set<YangResourceModuleReference> yangResourceModuleReferenceList =
+ yangResourceRepository.findAllModuleReferences(dataspaceName);
+ return yangResourceModuleReferenceList.stream().map(CpsModulePersistenceServiceImpl::toModuleReference)
+ .collect(Collectors.toList());
+ }
+
+ @Override
+ public Collection<ModuleReference> getYangResourceModuleReferences(final String dataspaceName,
+ final String anchorName) {
+ final Set<YangResourceModuleReference> yangResourceModuleReferenceList =
+ yangResourceRepository
+ .findAllModuleReferences(dataspaceName, anchorName);
+ return yangResourceModuleReferenceList.stream().map(CpsModulePersistenceServiceImpl::toModuleReference)
+ .collect(Collectors.toList());
+ }
+
@Override
@Transactional
+ // A retry is made to store the schema set if it fails because of duplicated yang resource exception that
+ // can occur in case of specific concurrent requests.
+ @Retryable(value = DuplicatedYangResourceException.class, maxAttempts = 2, backoff = @Backoff(delay = 500))
public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
final Map<String, String> yangResourcesNameToContentMap) {
- final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
- final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesNameToContentMap);
- final SchemaSet schemaSet = new SchemaSet();
- schemaSet.setName(schemaSetName);
- schemaSet.setDataspace(dataspace);
- schemaSet.setYangResources(yangResources);
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var yangResourceEntities = synchronizeYangResources(yangResourcesNameToContentMap);
+ final var schemaSetEntity = new SchemaSetEntity();
+ schemaSetEntity.setName(schemaSetName);
+ schemaSetEntity.setDataspace(dataspaceEntity);
+ schemaSetEntity.setYangResources(yangResourceEntities);
try {
- schemaSetRepository.save(schemaSet);
+ schemaSetRepository.save(schemaSetEntity);
} catch (final DataIntegrityViolationException e) {
- throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
+ throw AlreadyDefinedException.forSchemaSet(schemaSetName, dataspaceName, e);
}
}
- private Set<YangResource> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
- final Map<String, YangResource> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
+ @Override
+ @Transactional
+ public void storeSchemaSetFromModules(final String dataspaceName, final String schemaSetName,
+ final Map<String, String> newYangResourcesModuleNameToContentMap,
+ final List<ModuleReference> moduleReferences) {
+ storeSchemaSet(dataspaceName, schemaSetName, newYangResourcesModuleNameToContentMap);
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var schemaSetEntity =
+ schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
+ final List<Long> listOfYangResourceIds = new ArrayList<>();
+ moduleReferences.forEach(moduleReference ->
+ listOfYangResourceIds.add(yangResourceRepository.getIdByModuleNameAndRevision(
+ moduleReference.getModuleName(), moduleReference.getRevision())));
+ yangResourceRepository.insertSchemaSetIdYangResourceId(schemaSetEntity.getId(), listOfYangResourceIds);
+ }
+
+ @Override
+ @Transactional
+ public void deleteSchemaSet(final String dataspaceName, final String schemaSetName) {
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var schemaSetEntity =
+ schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
+ schemaSetRepository.delete(schemaSetEntity);
+ }
+
+ @Override
+ @Transactional
+ public void deleteUnusedYangResourceModules() {
+ yangResourceRepository.deleteOrphans();
+ }
+
+ private Set<YangResourceEntity> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
+ final Map<String, YangResourceEntity> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
.map(entry -> {
- final YangResource yangResource = new YangResource();
- yangResource.setName(entry.getKey());
- yangResource.setContent(entry.getValue());
- yangResource.setChecksum(DigestUtils.md5DigestAsHex(entry.getValue().getBytes(StandardCharsets.UTF_8)));
- return yangResource;
+ final String checksum = DigestUtils.sha256Hex(entry.getValue().getBytes(StandardCharsets.UTF_8));
+ final Map<String, String> moduleNameAndRevisionMap = createModuleNameAndRevisionMap(entry.getKey(),
+ entry.getValue());
+ final var yangResourceEntity = new YangResourceEntity();
+ yangResourceEntity.setName(entry.getKey());
+ yangResourceEntity.setContent(entry.getValue());
+ yangResourceEntity.setModuleName(moduleNameAndRevisionMap.get("moduleName"));
+ yangResourceEntity.setRevision(moduleNameAndRevisionMap.get("revision"));
+ yangResourceEntity.setChecksum(checksum);
+ return yangResourceEntity;
})
.collect(Collectors.toMap(
- YangResource::getChecksum,
+ YangResourceEntity::getChecksum,
entity -> entity
));
- final List<YangResource> existingYangResources =
+ final List<YangResourceEntity> existingYangResourceEntities =
yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
- existingYangResources.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
+ existingYangResourceEntities.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
- final Collection<YangResource> newYangResources = checksumToEntityMap.values();
- if (!newYangResources.isEmpty()) {
- yangResourceRepository.saveAll(newYangResources);
+ final Collection<YangResourceEntity> newYangResourceEntities = checksumToEntityMap.values();
+ if (!newYangResourceEntities.isEmpty()) {
+ try {
+ yangResourceRepository.saveAll(newYangResourceEntities);
+ } catch (final DataIntegrityViolationException dataIntegrityViolationException) {
+ // Throw a CPS duplicated Yang resource exception if the cause of the error is a yang checksum
+ // database constraint violation.
+ // If it is not, then throw the original exception
+ final Optional<DuplicatedYangResourceException> convertedException =
+ convertToDuplicatedYangResourceException(
+ dataIntegrityViolationException, newYangResourceEntities);
+ convertedException.ifPresent(
+ e -> log.warn(
+ "Cannot persist duplicated yang resource. "
+ + "A total of 2 attempts to store the schema set are planned.", e));
+ throw convertedException.isPresent() ? convertedException.get() : dataIntegrityViolationException;
+ }
}
- return ImmutableSet.<YangResource>builder()
- .addAll(existingYangResources)
- .addAll(newYangResources)
+ return ImmutableSet.<YangResourceEntity>builder()
+ .addAll(existingYangResourceEntities)
+ .addAll(newYangResourceEntities)
.build();
}
- @Override
- public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
- final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
- final SchemaSet schemaSet = schemaSetRepository.getByDataspaceAndName(dataspace, schemaSetName);
- return schemaSet.getYangResources().stream().collect(
- Collectors.toMap(YangResource::getName, YangResource::getContent));
+ private static Map<String, String> createModuleNameAndRevisionMap(final String sourceName, final String source) {
+ final Map<String, String> metaDataMap = new HashMap<>();
+ final var revisionSourceIdentifier =
+ createIdentifierFromSourceName(checkNotNull(sourceName));
+
+ final var tempYangTextSchemaSource = new YangTextSchemaSource(revisionSourceIdentifier) {
+ @Override
+ protected MoreObjects.ToStringHelper addToStringAttributes(
+ final MoreObjects.ToStringHelper toStringHelper) {
+ return toStringHelper;
+ }
+
+ @Override
+ public InputStream openStream() {
+ return new ByteArrayInputStream(source.getBytes(StandardCharsets.UTF_8));
+ }
+ };
+ try {
+ final var dependencyInfo = YangModelDependencyInfo.forYangText(tempYangTextSchemaSource);
+ metaDataMap.put("moduleName", dependencyInfo.getName());
+ metaDataMap.put("revision", dependencyInfo.getFormattedRevision());
+ } catch (final YangSyntaxErrorException | IOException e) {
+ throw new ModelValidationException("Yang resource is invalid.",
+ String.format("Yang syntax validation failed for resource %s:%n%s", sourceName, e.getMessage()), e);
+ }
+ return metaDataMap;
+ }
+
+ private static RevisionSourceIdentifier createIdentifierFromSourceName(final String sourceName) {
+ final var matcher = RFC6020_RECOMMENDED_FILENAME_PATTERN.matcher(sourceName);
+ if (matcher.matches()) {
+ return RevisionSourceIdentifier.create(matcher.group(1), Revision.of(matcher.group(2)));
+ }
+ return RevisionSourceIdentifier.create(sourceName);
+ }
+
+ /**
+ * Convert the specified data integrity violation exception into a CPS duplicated Yang resource exception
+ * if the cause of the error is a yang checksum database constraint violation.
+ *
+ * @param originalException the original db exception.
+ * @param yangResourceEntities the collection of Yang resources involved in the db failure.
+ * @return an optional converted CPS duplicated Yang resource exception. The optional is empty if the original
+ * cause of the error is not a yang checksum database constraint violation.
+ */
+ private Optional<DuplicatedYangResourceException> convertToDuplicatedYangResourceException(
+ final DataIntegrityViolationException originalException,
+ final Collection<YangResourceEntity> yangResourceEntities) {
+
+ // The exception result
+ DuplicatedYangResourceException duplicatedYangResourceException = null;
+
+ final Throwable cause = originalException.getCause();
+ if (cause instanceof ConstraintViolationException) {
+ final ConstraintViolationException constraintException = (ConstraintViolationException) cause;
+ if (YANG_RESOURCE_CHECKSUM_CONSTRAINT_NAME.equals(constraintException.getConstraintName())) {
+ // Db constraint related to yang resource checksum uniqueness is not respected
+ final String checksumInError = getDuplicatedChecksumFromException(constraintException);
+ final String nameInError = getNameForChecksum(checksumInError, yangResourceEntities);
+ duplicatedYangResourceException =
+ new DuplicatedYangResourceException(nameInError, checksumInError, constraintException);
+ }
+ }
+
+ return Optional.ofNullable(duplicatedYangResourceException);
+
+ }
+
+ /**
+ * Get the name of the yang resource having the specified checksum.
+ *
+ * @param checksum the checksum. Null is supported.
+ * @param yangResourceEntities the list of yang resources to search among.
+ * @return the name found or null if none.
+ */
+ private String getNameForChecksum(
+ final String checksum, final Collection<YangResourceEntity> yangResourceEntities) {
+ return
+ yangResourceEntities.stream()
+ .filter(entity -> StringUtils.equals(checksum, (entity.getChecksum())))
+ .findFirst()
+ .map(YangResourceEntity::getName)
+ .orElse(null);
+ }
+
+ /**
+ * Get the checksum that caused the constraint violation exception.
+ *
+ * @param exception the exception having the checksum in error.
+ * @return the checksum in error or null if not found.
+ */
+ private String getDuplicatedChecksumFromException(final ConstraintViolationException exception) {
+ String checksum = null;
+ final var matcher = CHECKSUM_EXCEPTION_PATTERN.matcher(exception.getSQLException().getMessage());
+ if (matcher.find() && matcher.groupCount() == 1) {
+ checksum = matcher.group(1);
+ }
+ return checksum;
+ }
+
+ private static ModuleReference toModuleReference(
+ final YangResourceModuleReference yangResourceModuleReference) {
+ return ModuleReference.builder()
+ .moduleName(yangResourceModuleReference.getModuleName())
+ .revision(yangResourceModuleReference.getRevision())
+ .build();
}
}