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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.svnfm.simulator.services;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.modelmapper.ModelMapper;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201.InstantiationStateEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201InstantiatedVnfInfo;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201VimConnectionInfo;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.LccnSubscriptionRequest;
import org.onap.svnfm.simulator.config.ApplicationConfig;
import org.onap.svnfm.simulator.constants.Constant;
import org.onap.svnfm.simulator.model.VnfInstance;
import org.onap.svnfm.simulator.model.VnfOperation;
import org.onap.svnfm.simulator.model.Vnfds;
import org.onap.svnfm.simulator.notifications.VnfInstantiationNotification;
import org.onap.svnfm.simulator.notifications.VnfmAdapterCreationNotification;
import org.onap.svnfm.simulator.repository.VnfOperationRepository;
import org.onap.svnfm.simulator.repository.VnfmRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.support.SimpleValueWrapper;
import org.springframework.stereotype.Service;
/**
*
* @author Lathishbabu Ganesan (lathishbabu.ganesan@est.tech)
* @author Ronan Kenny (ronan.kenny@est.tech)
*/
@Service
public class SvnfmService {
private VnfmRepository vnfmRepository;
private VnfOperationRepository vnfOperationRepository;
private VnfmHelper vnfmHelper;
private ApplicationConfig applicationConfig;
private CacheManager cacheManager;
private Vnfds vnfds;
private SubscriptionService subscriptionService;
private final ExecutorService executor = Executors.newCachedThreadPool();
private static final Logger LOGGER = LoggerFactory.getLogger(SvnfmService.class);
@Autowired
public SvnfmService(VnfmRepository vnfmRepository, VnfOperationRepository vnfOperationRepository,
VnfmHelper vnfmHelper, ApplicationConfig applicationConfig, CacheManager cacheManager, Vnfds vnfds,
SubscriptionService subscriptionService) {
this.vnfmRepository = vnfmRepository;
this.vnfOperationRepository = vnfOperationRepository;
this.vnfmHelper = vnfmHelper;
this.applicationConfig = applicationConfig;
this.cacheManager = cacheManager;
this.vnfds = vnfds;
this.subscriptionService = subscriptionService;
}
public InlineResponse201 createVnf(final CreateVnfRequest createVNFRequest, final String id) {
InlineResponse201 inlineResponse201 = null;
try {
final VnfInstance vnfInstance = vnfmHelper.createVnfInstance(createVNFRequest, id);
vnfmRepository.save(vnfInstance);
final Thread creationNotification = new Thread(new VnfmAdapterCreationNotification());
creationNotification.start();
inlineResponse201 = vnfmHelper.getInlineResponse201(vnfInstance);
LOGGER.debug("Response from Create VNF {}", inlineResponse201);
} catch (IllegalAccessException | InvocationTargetException e) {
LOGGER.error("Failed in Create Vnf", e);
}
return inlineResponse201;
}
@CachePut(value = Constant.IN_LINE_RESPONSE_201_CACHE, key = "#id")
public void updateVnf(final InstantiationStateEnum instantiationState,
final InlineResponse201InstantiatedVnfInfo instantiatedVnfInfo, final String id,
final List<InlineResponse201VimConnectionInfo> vimConnectionInfo) {
final InlineResponse201 vnf = getVnf(id);
vnf.setInstantiatedVnfInfo(instantiatedVnfInfo);
vnf.setInstantiationState(instantiationState);
vnf.setVimConnectionInfo(vimConnectionInfo);
}
public String instantiateVnf(final String vnfId) {
final VnfOperation vnfOperation = buildVnfOperation(InlineResponse200.OperationEnum.INSTANTIATE, vnfId);
vnfOperationRepository.save(vnfOperation);
executor.submit(new InstantiateOperationProgressor(vnfOperation, this, vnfOperationRepository,
applicationConfig, vnfds, subscriptionService));
return vnfOperation.getId();
}
private VnfOperation buildVnfOperation(final InlineResponse200.OperationEnum operation, final String vnfId) {
final VnfOperation vnfOperation = new VnfOperation();
vnfOperation.setId(UUID.randomUUID().toString());
vnfOperation.setOperation(operation);
vnfOperation.setOperationState(InlineResponse200.OperationStateEnum.STARTING);
vnfOperation.setVnfInstanceId(vnfId);
return vnfOperation;
}
public InlineResponse200 getOperationStatus(final String operationId) {
LOGGER.info("Getting operation status with id: {}", operationId);
final Thread instantiationNotification = new Thread(new VnfInstantiationNotification());
instantiationNotification.start();
for (final VnfOperation operation : vnfOperationRepository.findAll()) {
LOGGER.info("Operation found: {}", operation);
if (operation.getId().equals(operationId)) {
final ModelMapper modelMapper = new ModelMapper();
return modelMapper.map(operation, InlineResponse200.class);
}
}
return null;
}
public InlineResponse201 getVnf(final String vnfId) {
final Cache ca = cacheManager.getCache(Constant.IN_LINE_RESPONSE_201_CACHE);
if (ca == null)
return null;
final SimpleValueWrapper wrapper = (SimpleValueWrapper) ca.get(vnfId);
if (wrapper == null)
return null;
final InlineResponse201 inlineResponse201 = (InlineResponse201) wrapper.get();
if (inlineResponse201 != null) {
LOGGER.info("Cache Read Successful");
return inlineResponse201;
}
return null;
}
public String terminateVnf(final String vnfId) {
final VnfOperation vnfOperation = buildVnfOperation(InlineResponse200.OperationEnum.TERMINATE, vnfId);
vnfOperationRepository.save(vnfOperation);
executor.submit(new TerminateOperationProgressor(vnfOperation, this, vnfOperationRepository, applicationConfig,
vnfds, subscriptionService));
return vnfOperation.getId();
}
public void registerSubscription(final LccnSubscriptionRequest subscription) {
subscriptionService.registerSubscription(subscription);
}
}
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