gerrit.onap Code Review - cps.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024-2025 OpenInfra Foundation Europe. All rights reserved.
   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.cps.ncmp.impl.datajobs.subscription.ncmp;
  22
  23 import java.util.ArrayList;
  24 import java.util.Collection;
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.List;
  28 import java.util.Map;
  29 import java.util.Set;
  30 import lombok.RequiredArgsConstructor;
  31 import lombok.extern.slf4j.Slf4j;
  32 import org.onap.cps.ncmp.impl.datajobs.subscription.client_to_ncmp.DataSelector;
  33 import org.onap.cps.ncmp.impl.datajobs.subscription.dmi.DmiInEventMapper;
  34 import org.onap.cps.ncmp.impl.datajobs.subscription.dmi.EventProducer;
  35 import org.onap.cps.ncmp.impl.datajobs.subscription.models.CmSubscriptionStatus;
  36 import org.onap.cps.ncmp.impl.datajobs.subscription.ncmp_to_dmi.DataJobSubscriptionDmiInEvent;
  37 import org.onap.cps.ncmp.impl.datajobs.subscription.utils.CmDataJobSubscriptionPersistenceService;
  38 import org.onap.cps.ncmp.impl.inventory.InventoryPersistence;
  39 import org.onap.cps.ncmp.impl.inventory.models.YangModelCmHandle;
  40 import org.onap.cps.ncmp.impl.utils.AlternateIdMatcher;
  41 import org.onap.cps.ncmp.impl.utils.JexParser;
  42 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  43 import org.springframework.stereotype.Service;
  44
  45
  46 @Service
  47 @RequiredArgsConstructor
  48 @Slf4j
  49 @ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
  50 public class CmSubscriptionHandlerImpl implements CmSubscriptionHandler {
  51
  52     private final CmDataJobSubscriptionPersistenceService cmDataJobSubscriptionPersistenceService;
  53     private final DmiInEventMapper dmiInEventMapper;
  54     private final EventProducer eventProducer;
  55     private final InventoryPersistence inventoryPersistence;
  56     private final AlternateIdMatcher alternateIdMatcher;
  57
  58     @Override
  59     public void createSubscription(final DataSelector dataSelector,
  60                                    final String subscriptionId, final List<String> dataNodeSelectors) {
  61         for (final String dataNodeSelector : dataNodeSelectors) {
  62             cmDataJobSubscriptionPersistenceService.add(subscriptionId, dataNodeSelector);
  63         }
  64         sendEventToDmis(subscriptionId,
  65                 cmDataJobSubscriptionPersistenceService.getInactiveDataNodeSelectors(subscriptionId),
  66                 dataSelector, "subscriptionCreateRequest");
  67     }
  68
  69     @Override
  70     public void deleteSubscription(final String subscriptionId) {
  71         final Collection<String> dataNodeSelectors =
  72                 cmDataJobSubscriptionPersistenceService.getDataNodeSelectors(subscriptionId);
  73         final List<String> dataNodeSelectorsWithoutAnySubscriber = new ArrayList<>();
  74         for (final String dataNodeSelector : dataNodeSelectors) {
  75             cmDataJobSubscriptionPersistenceService.delete(subscriptionId, dataNodeSelector);
  76             if (cmDataJobSubscriptionPersistenceService.getSubscriptionIds(dataNodeSelector).isEmpty()) {
  77                 dataNodeSelectorsWithoutAnySubscriber.add(dataNodeSelector);
  78             }
  79         }
  80         sendEventToDmis(subscriptionId, dataNodeSelectorsWithoutAnySubscriber, null, "subscriptionDeleteRequest");
  81     }
  82
  83     @Override
  84     public void updateCmSubscriptionStatus(final String subscriptionId,
  85                                            final String dmiServiceName,
  86                                            final CmSubscriptionStatus cmSubscriptionStatus) {
  87         final List<String> dataNodeSelectors =
  88                 cmDataJobSubscriptionPersistenceService.getInactiveDataNodeSelectors(subscriptionId);
  89         for (final String dataNodeSelector : dataNodeSelectors) {
  90             final String cmHandleId = getCmHandleId(dataNodeSelector);
  91             if (cmHandleId == null) {
  92                 log.info("Failed to resolve cm handle ID for dataNodeSelector {}", dataNodeSelector);
  93             } else {
  94                 final String resolvedDmiServiceName = getDmiServiceName(cmHandleId);
  95                 if (resolvedDmiServiceName.equals(dmiServiceName)) {
  96                     cmDataJobSubscriptionPersistenceService.updateCmSubscriptionStatus(dataNodeSelector,
  97                             cmSubscriptionStatus);
  98                 }
  99             }
 100         }
 101     }
 102
 103     private void sendEventToDmis(final String subscriptionId,
 104                                  final List<String> dataNodeSelectors,
 105                                  final DataSelector dataSelector,
 106                                  final String eventType) {
 107         final Map<String, CmHandleIdsAndDataNodeSelectors> cmHandleIdsAndDataNodeSelectorsPerDmi =
 108                 createDmiInEventTargetsPerDmi(dataNodeSelectors);
 109         for (final Map.Entry<String, CmHandleIdsAndDataNodeSelectors> cmHandleIdsAndDataNodeSelectorsEntry :
 110                 cmHandleIdsAndDataNodeSelectorsPerDmi.entrySet()) {
 111             final String dmiServiceName = cmHandleIdsAndDataNodeSelectorsEntry.getKey();
 112             final CmHandleIdsAndDataNodeSelectors cmHandleIdsAndDataNodeSelectors =
 113                     cmHandleIdsAndDataNodeSelectorsEntry.getValue();
 114
 115             final DataJobSubscriptionDmiInEvent dmiInEvent;
 116             dmiInEvent = buildDmiInEvent(cmHandleIdsAndDataNodeSelectors, dataSelector);
 117             eventProducer.send(subscriptionId, dmiServiceName, eventType, dmiInEvent);
 118         }
 119     }
 120
 121     private DataJobSubscriptionDmiInEvent buildDmiInEvent(
 122             final CmHandleIdsAndDataNodeSelectors cmHandleIdsAndDataNodeSelectors,
 123             final DataSelector dataSelector) {
 124         final List<String> cmHandleIds = new ArrayList<>(cmHandleIdsAndDataNodeSelectors.cmHandleIds);
 125         final List<String> dataNodeSelectors = new ArrayList<>(cmHandleIdsAndDataNodeSelectors.dataNodeSelectors);
 126         final List<String> notificationTypes;
 127         final String notificationFilter;
 128         if (dataSelector != null) {
 129             notificationTypes = dataSelector.getNotificationTypes();
 130             notificationFilter = dataSelector.getNotificationFilter();
 131         } else {
 132             notificationTypes = null;
 133             notificationFilter = null;
 134         }
 135
 136         return dmiInEventMapper.toDmiInEvent(cmHandleIds, dataNodeSelectors, notificationTypes, notificationFilter);
 137     }
 138
 139     private Map<String, CmHandleIdsAndDataNodeSelectors> createDmiInEventTargetsPerDmi(
 140             final List<String> dataNodeSelectors) {
 141         final Map<String, CmHandleIdsAndDataNodeSelectors> dmiInEventTargetsPerDmi = new HashMap<>();
 142         for (final String dataNodeSelector : dataNodeSelectors) {
 143             final String cmHandleId = getCmHandleId(dataNodeSelector);
 144             if (cmHandleId == null) {
 145                 log.info("Failed to resolve cm handle ID for dataNodeSelector {}", dataNodeSelector);
 146             } else {
 147                 final String dmiServiceName = getDmiServiceName(cmHandleId);
 148                 final CmHandleIdsAndDataNodeSelectors cmHandleIdsAndDataNodeSelectors;
 149                 if (dmiInEventTargetsPerDmi.get(dmiServiceName) == null) {
 150                     cmHandleIdsAndDataNodeSelectors =
 151                             new CmHandleIdsAndDataNodeSelectors(new HashSet<>(), new HashSet<>());
 152                     dmiInEventTargetsPerDmi.put(dmiServiceName, cmHandleIdsAndDataNodeSelectors);
 153                 } else {
 154                     cmHandleIdsAndDataNodeSelectors = dmiInEventTargetsPerDmi.get(dmiServiceName);
 155                 }
 156                 cmHandleIdsAndDataNodeSelectors.cmHandleIds.add(cmHandleId);
 157                 cmHandleIdsAndDataNodeSelectors.dataNodeSelectors.add(dataNodeSelector);
 158             }
 159         }
 160         return dmiInEventTargetsPerDmi;
 161     }
 162
 163     private String getCmHandleId(final String dataNodeSelector) {
 164         final String alternateId = JexParser.extractFdnPrefix(dataNodeSelector).orElse("");
 165         if (alternateId.isEmpty()) {
 166             return null;
 167         }
 168         return alternateIdMatcher.getCmHandleId(alternateId);
 169     }
 170
 171     private String getDmiServiceName(final String cmHandleId) {
 172         final YangModelCmHandle yangModelCmHandle = inventoryPersistence.getYangModelCmHandle(cmHandleId);
 173         return yangModelCmHandle.getDmiServiceName();
 174     }
 175
 176     private record CmHandleIdsAndDataNodeSelectors(Set<String> cmHandleIds, Set<String> dataNodeSelectors) {
 177     }
 178 }