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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2022-2023 Nordix Foundation. All rights reserved.
* ================================================================================
* 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.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.api.main.service;
import jakarta.ws.rs.core.Response;
import java.util.Optional;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import org.onap.policy.api.main.repository.NodeTemplateRepository;
import org.onap.policy.api.main.repository.NodeTypeRepository;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplate;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplates;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeType;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicy;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
import org.onap.policy.models.tosca.utils.ToscaUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
@RequiredArgsConstructor
public class NodeTemplateService {
private static final Logger LOGGER = LoggerFactory.getLogger(NodeTemplateService.class);
private final NodeTemplateRepository nodeTemplateRepository;
private final NodeTypeRepository nodeTypeRepository;
/**
* Delete the specified node template.
*
* @param nodeTemplateKey the node template key containing name and version
*/
public void deleteNodeTemplate(final PfConceptKey nodeTemplateKey) {
nodeTemplateRepository.deleteById(nodeTemplateKey);
}
/**
* Update the specified tosca node template.
* @param incomingServiceTemplate incoming service template
*/
public void updateToscaNodeTemplates(@NonNull final JpaToscaServiceTemplate incomingServiceTemplate)
throws PfModelRuntimeException, PfModelException {
for (JpaToscaNodeTemplate nodeTemplate : incomingServiceTemplate.getTopologyTemplate().getNodeTemplates()
.getAll(null)) {
//verify if the node template is referenced in the metadata of created policies
assertNodeTemplateNotUsedInPolicy(nodeTemplate.getName(), nodeTemplate.getVersion(),
incomingServiceTemplate);
verifyNodeTypeInDbTemplate(nodeTemplate);
Optional<JpaToscaNodeTemplate> dbNodeTemplate = nodeTemplateRepository.findById(nodeTemplate.getKey());
if (dbNodeTemplate.isPresent()) {
nodeTemplateRepository.save(nodeTemplate);
} else {
throw new PfModelRuntimeException(Response.Status.NOT_ACCEPTABLE, "node template "
+ nodeTemplate.getName() + " version " + nodeTemplate.getVersion() + " does not exist in database");
}
}
// Return the service template with updated node templates
var updatedNodeTemplates = new JpaToscaNodeTemplates();
updatedNodeTemplates.setKey(incomingServiceTemplate.getTopologyTemplate().getNodeTemplates().getKey());
for (PfConceptKey key : incomingServiceTemplate.getTopologyTemplate().getNodeTemplates()
.getConceptMap().keySet()) {
Optional<JpaToscaNodeTemplate> jpaNodeTemplate = nodeTemplateRepository.findById(key);
jpaNodeTemplate.ifPresent(
jpaToscaNodeTemplate -> updatedNodeTemplates.getConceptMap().put(key, jpaToscaNodeTemplate));
}
incomingServiceTemplate.getTopologyTemplate().setNodeTemplates(updatedNodeTemplates);
}
/**
* Verify the node type for a toscaNodeTemplate .
*
* @param toscaNodeTemplate the toscaNodeTemplate to check the toscaNodeTemplate type for
*/
public void verifyNodeTypeInDbTemplate(final JpaToscaNodeTemplate toscaNodeTemplate) throws
PfModelException {
PfConceptKey nodeTypeKey = toscaNodeTemplate.getType();
Optional<JpaToscaNodeType> nodeType = nodeTypeRepository.findById(nodeTypeKey);
if (nodeType.isEmpty()) {
String errorMessage =
"NODE_TYPE " + nodeTypeKey + " for toscaNodeTemplate " + toscaNodeTemplate.getId()
+ " does not exist";
throw new PfModelException(Response.Status.NOT_ACCEPTABLE, errorMessage);
}
}
/**
* Assert that the node template is not referenced in any Tosca policy.
*
* @param name the name of node template
* @param version the version of node template
* @throws PfModelException if node template referenced in a policy
*/
public void assertNodeTemplateNotUsedInPolicy(String name, String version, JpaToscaServiceTemplate dbTemplate)
throws PfModelException {
try {
//Retrieve all the policies from db, return if policies doesn't exist
ToscaUtils.assertPoliciesExist(dbTemplate);
} catch (PfModelRuntimeException e) {
LOGGER.debug("Could not verify the node template reference in created policies ", e);
return;
}
for (JpaToscaPolicy policy : dbTemplate.getTopologyTemplate().getPolicies().getConceptMap().values()) {
if (policy.getMetadata().getOrDefault("metadataSetName", "").equals(name)
&& policy.getMetadata().getOrDefault("metadataSetVersion", "").equals(version)) {
throw new PfModelException(Response.Status.NOT_ACCEPTABLE,
"Node template is in use, it is referenced in Tosca Policy " + policy.getName() + " version "
+ policy.getVersion());
}
}
}
}
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