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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022-2023 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.cps.ncmp.api.impl.events.avcsubscription;
import io.cloudevents.CloudEvent;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
import org.onap.cps.ncmp.api.impl.utils.SubscriptionEventCloudMapper;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
import org.onap.cps.ncmp.events.avcsubscription1_0_0.client_to_ncmp.SubscriptionEvent;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
@Component
@Slf4j
@RequiredArgsConstructor
public class SubscriptionEventConsumer {
private final SubscriptionEventForwarder subscriptionEventForwarder;
private final SubscriptionEventMapper subscriptionEventMapper;
private final SubscriptionPersistence subscriptionPersistence;
@Value("${notification.enabled:true}")
private boolean notificationFeatureEnabled;
@Value("${ncmp.model-loader.subscription:false}")
private boolean subscriptionModelLoaderEnabled;
/**
* Consume the specified event.
*
* @param subscriptionEventConsumerRecord the event to be consumed
*/
@KafkaListener(topics = "${app.ncmp.avc.subscription-topic}",
containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
public void consumeSubscriptionEvent(final ConsumerRecord<String, CloudEvent> subscriptionEventConsumerRecord) {
final CloudEvent cloudEvent = subscriptionEventConsumerRecord.value();
final String eventType = subscriptionEventConsumerRecord.value().getType();
final SubscriptionEvent subscriptionEvent = SubscriptionEventCloudMapper.toSubscriptionEvent(cloudEvent);
final String eventDatastore = subscriptionEvent.getData().getPredicates().getDatastore();
if (!(eventDatastore.equals("passthrough-running") || eventDatastore.equals("passthrough-operational"))) {
throw new UnsupportedOperationException(
"passthrough datastores are currently only supported for event subscriptions");
}
if ("CM".equals(subscriptionEvent.getData().getDataType().getDataCategory())) {
if (subscriptionModelLoaderEnabled) {
persistSubscriptionEvent(subscriptionEvent);
}
if ("subscriptionCreated".equals(cloudEvent.getType())) {
log.info("Subscription for ClientID {} with name {} ...",
subscriptionEvent.getData().getSubscription().getClientID(),
subscriptionEvent.getData().getSubscription().getName());
if (notificationFeatureEnabled) {
subscriptionEventForwarder.forwardCreateSubscriptionEvent(subscriptionEvent, eventType);
}
}
} else {
log.trace("Non-CM subscription event ignored");
}
}
private void persistSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
final YangModelSubscriptionEvent yangModelSubscriptionEvent =
subscriptionEventMapper.toYangModelSubscriptionEvent(subscriptionEvent);
subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
}
}
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