vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/services/SvnfmService.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.svnfm.simulator.services;
  22
  23 import java.lang.reflect.InvocationTargetException;
  24 import java.util.UUID;
  25 import java.util.concurrent.ExecutorService;
  26 import java.util.concurrent.Executors;
  27 import org.modelmapper.ModelMapper;
  28 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest;
  29 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
  30 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201;
  31 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InstantiateVnfRequest;
  32 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.LccnSubscriptionRequest;
  33 import org.onap.svnfm.simulator.config.ApplicationConfig;
  34 import org.onap.svnfm.simulator.constants.Constant;
  35 import org.onap.svnfm.simulator.model.VnfInstance;
  36 import org.onap.svnfm.simulator.model.VnfOperation;
  37 import org.onap.svnfm.simulator.model.Vnfds;
  38 import org.onap.svnfm.simulator.notifications.VnfInstantiationNotification;
  39 import org.onap.svnfm.simulator.notifications.VnfmAdapterCreationNotification;
  40 import org.onap.svnfm.simulator.repository.VnfOperationRepository;
  41 import org.onap.svnfm.simulator.repository.VnfmCacheRepository;
  42 import org.onap.svnfm.simulator.repository.VnfmRepository;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45 import org.springframework.beans.factory.annotation.Autowired;
  46 import org.springframework.cache.Cache;
  47 import org.springframework.cache.CacheManager;
  48 import org.springframework.cache.support.SimpleValueWrapper;
  49 import org.springframework.stereotype.Service;
  50
  51 /**
  52  *
  53  * @author Lathishbabu Ganesan (lathishbabu.ganesan@est.tech)
  54  * @author Ronan Kenny (ronan.kenny@est.tech)
  55  */
  56 @Service
  57 public class SvnfmService {
  58
  59     @Autowired
  60     VnfmRepository vnfmRepository;
  61
  62     @Autowired
  63     VnfmCacheRepository vnfRepository;
  64
  65     @Autowired
  66     VnfOperationRepository vnfOperationRepository;
  67
  68     @Autowired
  69     private VnfmHelper vnfmHelper;
  70
  71     @Autowired
  72     ApplicationConfig applicationConfig;
  73
  74     @Autowired
  75     CacheManager cacheManager;
  76
  77     @Autowired
  78     Vnfds vnfds;
  79
  80     @Autowired
  81     SubscriptionService subscriptionService;
  82
  83     private final ExecutorService executor = Executors.newCachedThreadPool();
  84
  85     private static final Logger LOGGER = LoggerFactory.getLogger(SvnfmService.class);
  86
  87     /**
  88      *
  89      * @param createVNFRequest
  90      * @return inlineResponse201
  91      */
  92     public InlineResponse201 createVnf(final CreateVnfRequest createVNFRequest, final String id) {
  93         InlineResponse201 inlineResponse201 = null;
  94         try {
  95             final VnfInstance vnfInstance = vnfmHelper.createVnfInstance(createVNFRequest, id);
  96             vnfmRepository.save(vnfInstance);
  97             final Thread creationNotification = new Thread(new VnfmAdapterCreationNotification());
  98             creationNotification.start();
  99             inlineResponse201 = vnfmHelper.getInlineResponse201(vnfInstance);
 100             LOGGER.debug("Response from Create VNF {}", inlineResponse201);
 101         } catch (IllegalAccessException | InvocationTargetException e) {
 102             LOGGER.error("Failed in Create Vnf", e);
 103         }
 104         return inlineResponse201;
 105     }
 106
 107     /**
 108      *
 109      * @param vnfId
 110      * @param instantiateVNFRequest
 111      * @param operationId
 112      * @throws InterruptedException
 113      */
 114     public String instantiateVnf(final String vnfId, final InstantiateVnfRequest instantiateVNFRequest) {
 115         final VnfOperation vnfOperation = buildVnfOperation(InlineResponse200.OperationEnum.INSTANTIATE, vnfId);
 116         vnfOperationRepository.save(vnfOperation);
 117         executor.submit(new OperationProgressor(vnfOperation, vnfRepository, vnfOperationRepository, applicationConfig,
 118                 vnfds, subscriptionService));
 119         return vnfOperation.getId();
 120     }
 121
 122     /**
 123      * vnfOperationRepository
 124      *
 125      * @param vnfId
 126      * @param instantiateOperationId
 127      */
 128     public VnfOperation buildVnfOperation(final InlineResponse200.OperationEnum operation, final String vnfId) {
 129         final VnfOperation vnfOperation = new VnfOperation();
 130         vnfOperation.setId(UUID.randomUUID().toString());
 131         vnfOperation.setOperation(operation);
 132         vnfOperation.setOperationState(InlineResponse200.OperationStateEnum.STARTING);
 133         vnfOperation.setVnfInstanceId(vnfId);
 134         return vnfOperation;
 135     }
 136
 137     /**
 138      *
 139      * @param operationId
 140      * @throws InterruptedException
 141      */
 142     public InlineResponse200 getOperationStatus(final String operationId) {
 143         LOGGER.info("Getting operation status with id: {}", operationId);
 144         final Thread instantiationNotification = new Thread(new VnfInstantiationNotification());
 145         instantiationNotification.start();
 146         for (final VnfOperation operation : vnfOperationRepository.findAll()) {
 147             LOGGER.info("Operation found: {}", operation);
 148             if (operation.getId().equals(operationId)) {
 149                 final ModelMapper modelMapper = new ModelMapper();
 150                 return modelMapper.map(operation, InlineResponse200.class);
 151             }
 152         }
 153         return null;
 154     }
 155
 156     /**
 157      *
 158      * @param vnfId
 159      * @return inlineResponse201
 160      */
 161     public InlineResponse201 getVnf(final String vnfId) {
 162         final Cache ca = cacheManager.getCache(Constant.IN_LINE_RESPONSE_201_CACHE);
 163         final SimpleValueWrapper wrapper = (SimpleValueWrapper) ca.get(vnfId);
 164         final InlineResponse201 inlineResponse201 = (InlineResponse201) wrapper.get();
 165         if (inlineResponse201 != null) {
 166             LOGGER.info("Cache Read Successful");
 167             return inlineResponse201;
 168         }
 169         return null;
 170     }
 171
 172     /**
 173      * @param vnfId
 174      * @return
 175      */
 176     public Object terminateVnf(final String vnfId) {
 177         // TODO
 178         return null;
 179     }
 180
 181     public void registerSubscription(final LccnSubscriptionRequest subscription) {
 182         subscriptionService.registerSubscription(subscription);
 183     }
 184 }