gerrit.onap Code Review - cps.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024 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.cps.ncmp.impl.cmnotificationsubscription.dmi;
  22
  23 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_DATA_SUBSCRIPTION_ACCEPTED;
  24 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_DATA_SUBSCRIPTION_REJECTED;
  25 import static org.onap.cps.ncmp.utils.events.CloudEventMapper.toTargetEvent;
  26
  27 import io.cloudevents.CloudEvent;
  28 import java.util.Map;
  29 import lombok.RequiredArgsConstructor;
  30 import lombok.extern.slf4j.Slf4j;
  31 import org.apache.kafka.clients.consumer.ConsumerRecord;
  32 import org.onap.cps.ncmp.api.NcmpResponseStatus;
  33 import org.onap.cps.ncmp.impl.cmnotificationsubscription.cache.DmiCacheHandler;
  34 import org.onap.cps.ncmp.impl.cmnotificationsubscription.models.CmSubscriptionStatus;
  35 import org.onap.cps.ncmp.impl.cmnotificationsubscription.models.DmiCmSubscriptionDetails;
  36 import org.onap.cps.ncmp.impl.cmnotificationsubscription.ncmp.NcmpOutEventMapper;
  37 import org.onap.cps.ncmp.impl.cmnotificationsubscription.ncmp.NcmpOutEventProducer;
  38 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.dmi_to_ncmp.Data;
  39 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.dmi_to_ncmp.DmiOutEvent;
  40 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.ncmp_to_client.NcmpOutEvent;
  41 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  42 import org.springframework.kafka.annotation.KafkaListener;
  43 import org.springframework.stereotype.Component;
  44
  45 @Component
  46 @Slf4j
  47 @RequiredArgsConstructor
  48 @ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
  49 public class DmiOutEventConsumer {
  50
  51     private final DmiCacheHandler dmiCacheHandler;
  52     private final NcmpOutEventProducer ncmpOutEventProducer;
  53     private final NcmpOutEventMapper ncmpOutEventMapper;
  54
  55     private static final String CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR = "#";
  56
  57     /**
  58      * Consume the Cm Notification Subscription event from the dmi-plugin.
  59      *
  60      * @param dmiOutEventAsConsumerRecord the event to be consumed
  61      */
  62     @KafkaListener(topics = "${app.ncmp.avc.cm-subscription-dmi-out}",
  63             containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
  64     public void consumeDmiOutEvent(final ConsumerRecord<String, CloudEvent> dmiOutEventAsConsumerRecord) {
  65         final CloudEvent cloudEvent = dmiOutEventAsConsumerRecord.value();
  66         final DmiOutEvent dmiOutEvent = toTargetEvent(cloudEvent, DmiOutEvent.class);
  67         final String correlationId = String.valueOf(cloudEvent.getExtension("correlationid"));
  68         if (dmiOutEvent != null && correlationId != null) {
  69             final String eventType = cloudEvent.getType();
  70             handleDmiOutEvent(correlationId, eventType, dmiOutEvent);
  71         }
  72     }
  73
  74     private void handleDmiOutEvent(final String correlationId, final String eventType,
  75             final DmiOutEvent dmiOutEvent) {
  76         final String subscriptionId = correlationId.split(CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR)[0];
  77         final String dmiPluginName = correlationId.split(CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR)[1];
  78
  79         if (checkStatusCodeAndMessage(CM_DATA_SUBSCRIPTION_ACCEPTED, dmiOutEvent.getData())) {
  80             handleCacheStatusPerDmi(subscriptionId, dmiPluginName, CmSubscriptionStatus.ACCEPTED);
  81             if (eventType.equals("subscriptionCreateResponse")) {
  82                 dmiCacheHandler.persistIntoDatabasePerDmi(subscriptionId, dmiPluginName);
  83             }
  84             if (eventType.equals("subscriptionDeleteResponse")) {
  85                 dmiCacheHandler.removeFromDatabase(subscriptionId, dmiPluginName);
  86             }
  87             handleEventsStatusPerDmi(subscriptionId, eventType);
  88         }
  89
  90         if (checkStatusCodeAndMessage(CM_DATA_SUBSCRIPTION_REJECTED, dmiOutEvent.getData())) {
  91             handleCacheStatusPerDmi(subscriptionId, dmiPluginName, CmSubscriptionStatus.REJECTED);
  92             handleEventsStatusPerDmi(subscriptionId, eventType);
  93         }
  94
  95         log.info("Cm Subscription with id : {} handled by the dmi-plugin : {} has the status : {}", subscriptionId,
  96                 dmiPluginName, dmiOutEvent.getData().getStatusMessage());
  97     }
  98
  99     private void handleCacheStatusPerDmi(final String subscriptionId, final String dmiPluginName,
 100             final CmSubscriptionStatus cmSubscriptionStatus) {
 101         dmiCacheHandler.updateDmiSubscriptionStatus(subscriptionId, dmiPluginName,
 102                 cmSubscriptionStatus);
 103     }
 104
 105     private void handleEventsStatusPerDmi(final String subscriptionId, final String eventType) {
 106         final Map<String, DmiCmSubscriptionDetails> dmiSubscriptionsPerDmi = dmiCacheHandler.get(subscriptionId);
 107         final NcmpOutEvent ncmpOutEvent = ncmpOutEventMapper.toNcmpOutEvent(subscriptionId, dmiSubscriptionsPerDmi);
 108         ncmpOutEventProducer.publishNcmpOutEvent(subscriptionId, eventType, ncmpOutEvent, false);
 109     }
 110
 111     private boolean checkStatusCodeAndMessage(final NcmpResponseStatus ncmpResponseStatus,
 112             final Data dmiOutData) {
 113         return ncmpResponseStatus.getCode().equals(dmiOutData.getStatusCode())
 114                        && ncmpResponseStatus.getMessage()
 115                                   .equals(dmiOutData.getStatusMessage());
 116     }
 117 }