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/*
* ============LICENSE_START=======================================================
* org.onap.dcae
* ================================================================================
* Copyright (c) 2020 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.platform.mod.web.service.microserviceinstance;
import org.onap.dcaegen2.platform.mod.model.basemicroservice.BaseMicroservice;
import org.onap.dcaegen2.platform.mod.model.deploymentartifact.DeploymentArtifact;
import org.onap.dcaegen2.platform.mod.model.exceptions.msinstance.MsInstanceAlreadyExistsException;
import org.onap.dcaegen2.platform.mod.model.exceptions.msinstance.MsInstanceNotFoundException;
import org.onap.dcaegen2.platform.mod.model.microserviceinstance.MsInstance;
import org.onap.dcaegen2.platform.mod.model.microserviceinstance.MsInstanceStatus;
import org.onap.dcaegen2.platform.mod.model.restapi.MsInstanceRequest;
import org.onap.dcaegen2.platform.mod.model.restapi.MsInstanceUpdateRequest;
import org.onap.dcaegen2.platform.mod.web.service.basemicroservice.MsService;
import org.onap.dcaegen2.platform.mod.web.service.deploymentartifact.DeploymentArtifactService;
import org.onap.dcaegen2.platform.mod.web.service.specification.SpecificationService;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* MsInstance Service implementation
*/
@Service
@Setter
@Slf4j
public class MsInstanceServiceImpl implements MsInstanceService {
@Autowired
private MsInstanceGateway msInstanceRepository;
@Autowired
private MsService msService;
@Autowired
private MsInstanceStatusChangeHandler msInstanceStatusChangeHandler;
@Autowired
private SpecificationService specificationService;
@Autowired
private DeploymentArtifactService deploymentArtifactService;
@Override
public List<MsInstance> getAll() {
return msInstanceRepository.findAll();
}
@Override
@Transactional
public MsInstance createMicroserviceInstance(String msName, MsInstanceRequest request) {
BaseMicroservice microservice = msService.getMicroserviceByName(msName);
checkIftheCombinationOfNameAndReleaseIsUnique(request.getName(), request.getRelease());
MsInstance msInstance = new MsInstanceCreator(request, microservice).create();
MsInstance savedMsInstance = msInstanceRepository.save(msInstance);
msService.saveMsInstanceReferenceToMs(microservice, savedMsInstance);
return savedMsInstance;
}
private void checkIftheCombinationOfNameAndReleaseIsUnique(String name, String release) {
if (msInstanceRepository.findByNameAndRelease(name, release).isPresent())
throw new MsInstanceAlreadyExistsException();
}
@Override
public MsInstance getMsInstanceById(String id) {
return msInstanceRepository.findById(id).orElseThrow(() ->
new MsInstanceNotFoundException(String.format("Ms Instance with id %s not found", id)));
}
@Override
public void updateMsInstance(MsInstance msInstance) {
log.info("Saving the msInstance {} to database..", msInstance);
if(msInstance != null) msInstanceRepository.save(msInstance);
}
@Override
public void updateStatusBasedOnDeploymentArtifactsStatuses(String msInstanceId) {
MsInstance msInstance = getMsInstanceById(msInstanceId);
msInstanceStatusChangeHandler.updateStatusBasedOnDeploymentArtifactsStatuses(msInstance);
updateMsInstance(msInstance);
}
@Override
@Transactional
public void removeDeploymentArtifactFromMsInstance(DeploymentArtifact deploymentArtifact) {
MsInstance msInstance = getMsInstanceById(deploymentArtifact.getMsInstanceInfo().getId());
removeDeploymentArtifactReferenceFromMsInstance(msInstance, deploymentArtifact.getId());
msInstanceStatusChangeHandler.updateStatusBasedOnDeploymentArtifactsStatuses(msInstance);
updateMsInstance(msInstance);
}
@Override
//TODO: update msInstanceReference in specification and deployment artifact
public void updateMicroserviceReference(BaseMicroservice microservice) {
List<Map<String, String>> msInstanceRefs = microservice.getMsInstances();
for(Map<String, String> ref : msInstanceRefs){
MsInstance msInstance = getMsInstanceById(ref.get("id"));
msInstance.setName(microservice.getName());
msInstance.getMsInfo().put("name", microservice.getName());
cascadeUpdates(msInstance);
msInstanceRepository.save(msInstance);
}
}
@Override
@Transactional
public MsInstance updateMsInstance(MsInstanceUpdateRequest updateRequest, String msInstanceId) {
MsInstance msInstance = getMsInstanceById(msInstanceId);
updateRelease(updateRequest, msInstance);
updateVersion(updateRequest, msInstance);
updateMetadata(updateRequest, msInstance);
cascadeUpdates(msInstance);
return msInstanceRepository.save(msInstance);
}
private void cascadeUpdates(MsInstance msInstance) {
specificationService.updateMsInstanceRef(msInstance);
deploymentArtifactService.updateMsInstanceRef(msInstance);
msService.updateMsInstanceRef(msInstance);
}
private void updateMetadata(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
if(updateRequest.getMetadata() != null){
msInstance.getMetadata().putAll(updateRequest.getMetadata());
}
msInstance.getMetadata().put("updatedOn", new Date());
msInstance.getMetadata().put("updatedBy", updateRequest.getUser());
}
private void updateVersion(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
if(updateRequest.getVersion() != null){
msInstance.setVersion(updateRequest.getVersion());
}
}
private void updateRelease(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
if(updateRequest.getRelease() != null) {
if(!updateRequest.getRelease().equals(msInstance.getRelease()))
checkIftheCombinationOfNameAndReleaseIsUnique(msInstance.getName(), updateRequest.getRelease());
msInstance.setRelease(updateRequest.getRelease());
}
}
private void removeDeploymentArtifactReferenceFromMsInstance(MsInstance msInstance, String deploymentArtifactId) {
if(msInstance.getDeploymentArtifactsInfo() != null){
List<String> refIds = msInstance.getDeploymentArtifactsInfo().getDeploymentArtifacts();
refIds.remove(deploymentArtifactId);
}
}
private class MsInstanceCreator {
private MsInstanceRequest request;
private BaseMicroservice microserviceDAO;
MsInstanceCreator(MsInstanceRequest request, BaseMicroservice microserviceDAO) {
this.request = request;
this.microserviceDAO = microserviceDAO;
}
MsInstance create() {
//prepare MsInstance from the request
return MsInstance.builder()
.name(request.getName())
.release(request.getRelease())
.status(MsInstanceStatus.NEW)
.version(request.getVersion())
.msInfo(getMsReference(microserviceDAO))
.metadata(getMetadata(request))
.build();
}
private Map<String, Object> getMsReference(BaseMicroservice microserviceDAO) {
Map<String,Object> msInfo = new HashMap<>();
msInfo.put("id", microserviceDAO.getId());
msInfo.put("name", microserviceDAO.getName());
msInfo.put("tag", microserviceDAO.getTag());
return msInfo;
}
private Map<String, Object> getMetadata(MsInstanceRequest request) {
Map<String, Object> metadata = request.getMetadata();
metadata.put("createdBy", request.getUser());
metadata.put("createdOn", new Date());
return metadata;
}
}
}
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