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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.basemicroservice;
import org.onap.dcaegen2.platform.mod.model.basemicroservice.BaseMicroservice;
import org.onap.dcaegen2.platform.mod.model.basemicroservice.BaseMsStatus;
import org.onap.dcaegen2.platform.mod.model.common.AuditFields;
import org.onap.dcaegen2.platform.mod.model.exceptions.ErrorMessages;
import org.onap.dcaegen2.platform.mod.model.exceptions.ResourceConflictException;
import org.onap.dcaegen2.platform.mod.model.exceptions.basemicroservice.BaseMicroserviceNotFoundException;
import org.onap.dcaegen2.platform.mod.model.microserviceinstance.MsInstance;
import org.onap.dcaegen2.platform.mod.model.restapi.MicroserviceCreateRequest;
import org.onap.dcaegen2.platform.mod.model.restapi.MicroserviceUpdateRequest;
import org.onap.dcaegen2.platform.mod.web.service.microserviceinstance.MsInstanceService;
import lombok.Setter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* MsService implementation
*/
@Service
public class MsServiceImpl implements MsService {
@Autowired
@Setter
private BaseMicroserviceGateway repository;
@Autowired
@Setter
private MsInstanceService msInstanceService;
/**
* creates Microservice record
* @param microserviceRequest
* @return
*/
@Override
public BaseMicroservice createMicroservice(MicroserviceCreateRequest microserviceRequest) {
checkIfThereAreAnyConflicts(microserviceRequest); //TODO: Make fields unique in entity itself
BaseMicroservice microservice = new BaseMsCreator().create(microserviceRequest);
return repository.save(microservice);
}
/**
* name, tag and serviceName are unique for the given ms. This method make sure that.
* */
private void checkIfThereAreAnyConflicts(MicroserviceCreateRequest microserviceRequest) {
checkIfMsNameAlreadyExists(microserviceRequest.getName());
checkIfMsTagAlreadyExists(microserviceRequest.getTag());
checkiIfServiceNameAlreadyExists(microserviceRequest.getServiceName());
}
private void checkIfMsNameAlreadyExists(String msName) {
if (repository.findByName(msName).isPresent())
throw new ResourceConflictException(ErrorMessages.MICROSERVICE_NAME_CONFLICT_MESSAGE);
}
private void checkIfMsTagAlreadyExists(String msTag) {
if (repository.findByTag(msTag).isPresent())
throw new ResourceConflictException(ErrorMessages.MICROSERVICE_TAG_CONFLICT_MESSAGE);
}
private void checkiIfServiceNameAlreadyExists(String serviceName) {
boolean serviceNameIsEmpty = serviceName == null || serviceName.isEmpty();
if(serviceNameIsEmpty)
return;
if (repository.findByServiceName(serviceName).isPresent())
throw new ResourceConflictException(ErrorMessages.MS_SERVICE_NAME_CONFLICT_MESSAGE);
}
/**
* lists all microservice records
* @return
*/
@Override
public List<BaseMicroservice> getAllMicroservices() {
return repository.findAll();
}
/**
* gets a Mioroservice by id
* @param baseMsId
* @return
*/
@Override
public BaseMicroservice getMicroserviceById(String baseMsId) {
return repository.findById(baseMsId).orElseThrow(() ->
new BaseMicroserviceNotFoundException(String.format("Microservice with id %s not found", baseMsId)));
}
/**
* gets a Microservice by name
* @param msName
* @return
*/
@Override
public BaseMicroservice getMicroserviceByName(String msName) {
return repository.findByName(msName).orElseThrow(() ->
new BaseMicroserviceNotFoundException(String.format("Microservice with name %s not found", msName)));
}
/**
* updates a Microservice
* @param requestedMsId
* @param updateRequest
*/
@Override
public void updateMicroservice(String requestedMsId, MicroserviceUpdateRequest updateRequest) {
BaseMicroservice microservice = getMicroserviceById(requestedMsId);
updateMetadata(updateRequest, microservice);
updateOtherFields(updateRequest, microservice);
repository.save(microservice);
msInstanceService.updateMicroserviceReference(microservice);
}
//TODO: Get rid of nulls!
private void updateMetadata(MicroserviceUpdateRequest updateRequest, BaseMicroservice microservice) {
if(updateRequest.getUser() != null){
microservice.getMetadata().setUpdatedBy(updateRequest.getUser());
}
if(updateRequest.getMetadata() != null && updateRequest.getMetadata().containsKey("notes")){
microservice.getMetadata().setNotes((String) updateRequest.getMetadata().get("notes"));
}
if(updateRequest.getMetadata() != null && updateRequest.getMetadata().containsKey("labels")){
microservice.getMetadata().setLabels((List<String>) updateRequest.getMetadata().get("labels"));
}
microservice.getMetadata().setUpdatedOn(new Date());
}
private void updateOtherFields(MicroserviceUpdateRequest updateRequest, BaseMicroservice microservice) {
if(updateRequest.getName() != null){
updateName(updateRequest, microservice);
}
if(updateRequest.getType() != null){
microservice.setType(updateRequest.getType());
}
if(updateRequest.getLocation() != null){
microservice.setLocation(updateRequest.getLocation());
}
if(updateRequest.getServiceName() != null){
updateServiceName(updateRequest, microservice);
}
if(updateRequest.getNamespace() != null){
microservice.setNamespace(updateRequest.getNamespace());
}
}
/**
* If name requested in the updateRequest doesn't match the name of the ms record which is being worked on,
* then only check for the uniqueness.
*/
private void updateName(MicroserviceUpdateRequest updateRequest, BaseMicroservice microservice) {
boolean notMatchesWithCurrentName = !updateRequest.getName().equals(microservice.getName());
if(notMatchesWithCurrentName)
checkIfMsNameAlreadyExists(updateRequest.getName());
microservice.setName(updateRequest.getName());
}
/**
* If serviceName requested in the updateRequest doesn't match the serviceName of the ms record which is
* being worked on, then only check for the uniqueness.
*/
private void updateServiceName(MicroserviceUpdateRequest updateRequest, BaseMicroservice microservice) {
boolean notMatchesWithCurrentServiceName = !updateRequest.getServiceName().equals(microservice.getServiceName());
if(notMatchesWithCurrentServiceName)
checkiIfServiceNameAlreadyExists(updateRequest.getServiceName());
microservice.setServiceName(updateRequest.getServiceName());
}
/**
* saves msInstance reference in a given Microservice
* @param microservice
* @param msInstance
*/
@Override
public void saveMsInstanceReferenceToMs(BaseMicroservice microservice, MsInstance msInstance) {
microservice.getMsInstances().add(getMsInstanceReference(msInstance));
repository.save(microservice);
}
/**
* updates MsIntstance ref in Microservice record
* @param msInstance
*/
@Override
public void updateMsInstanceRef(MsInstance msInstance) {
BaseMicroservice microservice = getMicroserviceById((String) msInstance.getMsInfo().get("id"));
List<Map<String, String>> msInstancesRef = microservice.getMsInstances();
msInstancesRef.forEach((ref) -> {
if(ref.get("id").equals(msInstance.getId()))
ref.put("name", msInstance.getName());
});
repository.save(microservice);
}
private Map<String, String> getMsInstanceReference(MsInstance msInstance) {
Map<String,String> msInstanceInfo = new HashMap<>();
msInstanceInfo.put("id", msInstance.getId());
msInstanceInfo.put("name", msInstance.getName());
return msInstanceInfo;
}
private class BaseMsCreator {
BaseMicroservice create(MicroserviceCreateRequest createRequest) {
BaseMicroservice microservice = new BaseMicroservice();
microservice.setLocation(createRequest.getLocation());
microservice.setName(createRequest.getName());
microservice.setTag(createRequest.getTag());
microservice.setServiceName(createRequest.getServiceName());
microservice.setNamespace(createRequest.getNamespace());
microservice.setStatus(BaseMsStatus.ACTIVE);
microservice.setType(createRequest.getType());
microservice.setMetadata(getMetadataFields(createRequest));
return microservice;
}
private AuditFields getMetadataFields(MicroserviceCreateRequest request) {
AuditFields auditFields = AuditFields.builder().build();
auditFields.setCreatedBy(request.getUser());
auditFields.setCreatedOn(new Date());
if (request.getMetadata().containsKey("notes"))
auditFields.setNotes((String) request.getMetadata().get("notes"));
if (request.getMetadata().containsKey("labels"))
// auditFields.setLabels((List<String>) request.getMetadata().get("labels"));
auditFields.setLabels(request.getMetadata().get("labels"));
return auditFields;
}
}
}
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