2 * ============LICENSE_START=======================================================
3 * Copyright (c) 2023-2025 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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.ncmp.impl.cmnotificationsubscription.cmavc;
23 import static org.onap.cps.ncmp.utils.events.CloudEventMapper.toTargetEvent;
25 import io.cloudevents.CloudEvent;
26 import io.cloudevents.kafka.impl.KafkaHeaders;
27 import io.micrometer.core.annotation.Timed;
28 import lombok.RequiredArgsConstructor;
29 import lombok.extern.slf4j.Slf4j;
30 import org.apache.kafka.clients.consumer.ConsumerRecord;
31 import org.apache.kafka.common.header.Headers;
32 import org.onap.cps.events.EventsProducer;
33 import org.onap.cps.ncmp.events.avc1_0_0.AvcEvent;
34 import org.onap.cps.ncmp.impl.inventory.InventoryPersistence;
35 import org.springframework.beans.factory.annotation.Value;
36 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
37 import org.springframework.kafka.annotation.KafkaListener;
38 import org.springframework.stereotype.Component;
41 * Listener for AVC events based on CM Subscriptions.
45 @RequiredArgsConstructor
46 @ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
47 public class CmAvcEventConsumer {
50 private static final String CLOUD_EVENT_SOURCE_SYSTEM_HEADER_KEY = "ce_source";
52 @Value("${app.ncmp.avc.cm-events-topic}")
53 private String cmEventsTopicName;
55 private final EventsProducer<CloudEvent> eventsProducer;
56 private final CmAvcEventService cmAvcEventService;
57 private final InventoryPersistence inventoryPersistence;
60 * Incoming Cm AvcEvent in the form of Consumer Record, it will be forwarded as is to a target topic.
61 * The key from incoming record will be used as key for the target topic as well to preserve the message ordering.
62 * If event is coming from ONAP-DMI-PLUGIN then the event will also be processed by NCMP and the cps cache/database
65 * @param cmAvcEventAsConsumerRecord Incoming raw consumer record
67 @KafkaListener(topics = "${app.dmi.cm-events.topic}",
68 containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
69 @Timed(value = "cps.ncmp.cmnotifications.consumeandforward", description = "Time taken to forward CM AVC events")
70 public void consumeAndForward(final ConsumerRecord<String, CloudEvent> cmAvcEventAsConsumerRecord) {
71 if (isEventFromOnapDmiPlugin(cmAvcEventAsConsumerRecord.headers())) {
72 processCmAvcEventChanges(cmAvcEventAsConsumerRecord);
74 final CloudEvent outgoingAvcEvent = cmAvcEventAsConsumerRecord.value();
75 final String outgoingAvcEventKey = cmAvcEventAsConsumerRecord.key();
76 log.debug("Consuming AVC event with key : {} and value : {}", outgoingAvcEventKey, outgoingAvcEvent);
77 eventsProducer.sendCloudEvent(cmEventsTopicName, outgoingAvcEventKey, outgoingAvcEvent);
80 private void processCmAvcEventChanges(final ConsumerRecord<String, CloudEvent> cmAvcEventAsConsumerRecord) {
81 final String cmHandleId = cmAvcEventAsConsumerRecord.key();
82 final Boolean dataSyncEnabled = inventoryPersistence.getCmHandleState(cmHandleId).getDataSyncEnabled();
83 if (Boolean.TRUE.equals(dataSyncEnabled)) {
84 final AvcEvent cmAvcEvent = toTargetEvent(cmAvcEventAsConsumerRecord.value(), AvcEvent.class);
85 log.debug("Event to be processed to update the cache with cmHandleId : {}", cmHandleId);
86 cmAvcEventService.processCmAvcEvent(cmHandleId, cmAvcEvent);
90 private boolean isEventFromOnapDmiPlugin(final Headers headers) {
91 final String sourceSystem = KafkaHeaders.getParsedKafkaHeader(headers, CLOUD_EVENT_SOURCE_SYSTEM_HEADER_KEY);
92 return sourceSystem != null && sourceSystem.equals("ONAP-DMI-PLUGIN");