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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt mountpoint-registrar
* =================================================================================================
* Copyright (C) 2021 Samsung Electronics Intellectual Property. All rights reserved.
* =================================================================================================
* 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.
* ============LICENSE_END==========================================================================
*/
package org.onap.ccsdk.features.sdnr.wt.mountpointregistrar.vesdomain.cm;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import java.time.Instant;
import java.time.ZoneId;
import java.util.Iterator;
import java.util.Map;
import org.apache.kafka.clients.admin.Admin;
import org.onap.ccsdk.features.sdnr.wt.mountpointregistrar.config.GeneralConfig;
import org.onap.ccsdk.features.sdnr.wt.mountpointregistrar.impl.InvalidMessageException;
import org.onap.ccsdk.features.sdnr.wt.mountpointregistrar.impl.StrimziKafkaVESMsgConsumerImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StrimziKafkaCMVESMsgConsumer extends StrimziKafkaVESMsgConsumerImpl {
private static final Logger LOG = LoggerFactory.getLogger(StrimziKafkaCMVESMsgConsumer.class);
public StrimziKafkaCMVESMsgConsumer(GeneralConfig generalConfig, Admin kafkaAdminClient) {
super(generalConfig, kafkaAdminClient);
LOG.info("StrimziKafkaCMVESMsgConsumer started successfully");
}
@Override
public void processMsg(String msg) throws InvalidMessageException, JsonProcessingException {
LOG.debug("Processing CM message {}", msg);
JsonNode rootNode = convertMessageToJsonNode(msg);
try {
String cmNodeId = rootNode.at("/event/commonEventHeader/reportingEntityName").textValue();
String notificationType = rootNode.at("/event/stndDefinedFields/data/notificationType").textValue();
if (notificationType.equalsIgnoreCase("notifyMOIChanges")) {
LOG.info("Read CM message from Kafka topic that is moiChanges type with id {}", cmNodeId);
processMoiChanges(rootNode);
} else if (notificationType.equalsIgnoreCase("notifyMOICreation")) {
LOG.info("Read CM message from Kafka topic that is moiCreation type with id {}", cmNodeId);
sendCMNotification(preparePayloadMapFromMoi(rootNode, "/event/stndDefinedFields/data/attributeList"));
} else if (notificationType.equalsIgnoreCase("notifyMOIDeletion")) {
LOG.info("Read CM message from Kafka topic that is moiDeletion type with id {}", cmNodeId);
sendCMNotification(preparePayloadMapFromMoi(rootNode,"/event/stndDefinedFields/data/attributeList"));
} else if (notificationType.equalsIgnoreCase("notifyMOIAttributeValueChanges")) {
LOG.info("Read CM message from Kafka topic that is moiAttributeValueChanges type with id {}", cmNodeId);
sendCMNotification(preparePayloadMapFromMoi(rootNode,"/event/stndDefinedFields/data/attributeListValueChanges"));
} else {
LOG.warn("Message is invalid, sending aborted, wrong CM notification type {}", notificationType);
throw new InvalidMessageException();
}
} catch (NullPointerException e) {
LOG.warn("Message is invalid, sending aborted, processing stopped because one of fields is missing");
throw new InvalidMessageException("Missing field");
}
}
private CMBasicHeaderFieldsNotification prepareCMCommonHeaderFields(JsonNode rootNode) {
return CMBasicHeaderFieldsNotification.builder()
.withCMNodeId(rootNode.at("/event/commonEventHeader/reportingEntityName").textValue())
.withCMSequence(rootNode.at("/event/commonEventHeader/sequence").toString())
.withCMOccurrenceTime(Instant
.ofEpochMilli(
rootNode.at("/event/commonEventHeader/startEpochMicrosec").longValue() / 1000)
.atZone(ZoneId.of("Z")).toString())
.withSourceId(rootNode.at("/event/commonEventHeader/sourceId").textValue())
.withNotificationType(rootNode.at("/event/stndDefinedFields/data/notificationType").textValue())
.build();
}
private void processMoiChanges(JsonNode rootNode) {
Iterator<JsonNode> nodes = rootNode
.at("/event/stndDefinedFields/data/moiChanges")
.elements();
while (nodes.hasNext()) {
sendCMNotification(preparePayloadMapFromMoiChangesArray(rootNode, nodes));
}
}
public Map<String, String> preparePayloadMapFromMoiChangesArray(JsonNode rootNode, Iterator<JsonNode> nodes) {
JsonNode slaidNode = nodes.next();
return CMNotificationClient.createCMNotificationPayloadMap(
CMNotification.builder()
.withCMBasicHeaderFieldsNotification(
prepareCMCommonHeaderFields(rootNode))
.withCMNotificationId(slaidNode.get("notificationId").toString())
.withCMSourceIndicator(slaidNode.get("sourceIndicator").textValue())
.withCMPath(slaidNode.get("path").textValue())
.withCMOperation(slaidNode.get("operation").textValue())
.withCMValue(slaidNode.get("value").toString()
.replace("\"", ""))
.build());
}
public Map<String, String> preparePayloadMapFromMoi(JsonNode rootNode, String cmValueKey){
return CMNotificationClient.createCMNotificationPayloadMap(
CMNotification.builder()
.withCMBasicHeaderFieldsNotification(
prepareCMCommonHeaderFields(rootNode))
.withCMSourceIndicator(rootNode.at("/event/stndDefinedFields/data/sourceIndicator").textValue())
.withCMValue(rootNode.at(cmValueKey).toString()
.replace("\"", ""))
.build());
}
private void sendCMNotification(Map<String, String> payloadMapMessage) {
CMNotificationClient cmClient = setRESTConfAuthorization();
String message = cmClient.prepareMessageFromPayloadMap(payloadMapMessage);
cmClient.sendNotification(message);
}
private CMNotificationClient setRESTConfAuthorization() {
String sdnrUser = getSDNRUser();
String sdnrPasswd = getSDNRPasswd();
CMNotificationClient cmClient = new CMNotificationClient(getBaseUrl());
LOG.debug("Setting RESTConf Authorization values - {} : {}", sdnrUser, sdnrPasswd);
cmClient.setAuthorization(sdnrUser, sdnrPasswd);
return cmClient;
}
}
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