1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
19 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
21 *******************************************************************************/
22 package org.onap.dmaap.dmf.mr.backends.kafka;
24 import java.io.IOException;
25 import java.util.ArrayList;
26 import java.util.LinkedList;
27 import java.util.List;
28 import java.util.Properties;
29 import org.apache.kafka.clients.producer.KafkaProducer;
30 import org.apache.kafka.clients.producer.Producer;
31 import org.apache.kafka.clients.producer.ProducerRecord;
32 import org.json.JSONException;
33 import org.onap.dmaap.dmf.mr.backends.Publisher;
34 import org.onap.dmaap.dmf.mr.constants.CambriaConstants;
35 import org.onap.dmaap.dmf.mr.utils.Utils;
36 import org.springframework.beans.factory.annotation.Qualifier;
37 import org.springframework.util.StringUtils;
38 import com.att.eelf.configuration.EELFLogger;
39 import com.att.eelf.configuration.EELFManager;
40 import com.att.nsa.drumlin.till.nv.rrNvReadable;
41 import kafka.common.FailedToSendMessageException;
46 * Sends raw JSON objects into Kafka.
48 * Could improve space: BSON rather than JSON?
54 public class KafkaPublisher implements Publisher {
56 * constructor initializing
59 * @throws rrNvReadable.missingReqdSetting
61 public KafkaPublisher(@Qualifier("propertyReader") rrNvReadable settings) throws rrNvReadable.missingReqdSetting {
63 final Properties props = new Properties();
64 String kafkaConnUrl= com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"kafka.metadata.broker.list");
65 if(StringUtils.isEmpty(kafkaConnUrl)){
67 kafkaConnUrl="localhost:9092";
71 if(Utils.isCadiEnabled()){
72 transferSetting( props, "sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='admin' password='"+Utils.getKafkaproperty()+"';");
73 transferSetting( props, "security.protocol", "SASL_PLAINTEXT");
74 transferSetting( props, "sasl.mechanism", "PLAIN");
76 transferSetting( props, "bootstrap.servers",kafkaConnUrl);
78 transferSetting( props, "request.required.acks", "1");
79 transferSetting( props, "message.send.max.retries", "5");
80 transferSetting(props, "retry.backoff.ms", "150");
84 props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
85 props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
89 fProducer = new KafkaProducer<>(props);
93 * Send a message with a given topic and key.
96 * @throws FailedToSendMessageException
97 * @throws JSONException
100 public void sendMessage(String topic, message msg) throws IOException{
101 final List<message> msgs = new LinkedList<>();
103 sendMessages(topic, msgs);
107 * method publishing batch messages
108 * This method is commented from 0.8 to 0.11 upgrade
113 public void sendBatchMessage(String topic, ArrayList<KeyedMessage<String, String>> kms) throws IOException {
117 } catch (FailedToSendMessageException excp) {
118 log.error("Failed to send message(s) to topic [" + topic + "].", excp);
119 throw new FailedToSendMessageException(excp.getMessage(), excp);
126 * Kafka 11.0 Interface
127 * @see com.att.nsa.cambria.backends.Publisher#sendBatchMessageNew(java.lang.String, java.util.ArrayList)
129 public void sendBatchMessageNew(String topic, ArrayList <ProducerRecord<String,String>> kms) throws IOException {
131 for (ProducerRecord<String,String> km : kms) {
135 } catch (Exception excp) {
136 log.error("Failed to send message(s) to topic [" + topic + "].", excp);
137 throw new IOException(excp.getMessage(), excp);
143 * Send a set of messages. Each must have a "key" string value.
147 * @throws FailedToSendMessageException
148 * @throws JSONException
151 public void sendMessages(String topic, List<? extends message> msgs)
152 throws IOException, FailedToSendMessageException {
153 log.info("sending " + msgs.size() + " events to [" + topic + "]");
155 final List<KeyedMessage<String, String>> kms = new ArrayList<KeyedMessage<String, String>>(msgs.size());
156 for (message o : msgs) {
157 final KeyedMessage<String, String> data = new KeyedMessage<String, String>(topic, o.getKey(), o.toString());
163 } catch (FailedToSendMessageException excp) {
164 log.error("Failed to send message(s) to topic [" + topic + "].", excp);
165 throw new FailedToSendMessageException(excp.getMessage(), excp);
169 public void sendMessagesNew(String topic, List<? extends message> msgs) throws IOException {
170 log.info("sending " + msgs.size() + " events to [" + topic + "]");
172 for (message o : msgs) {
173 final ProducerRecord<String, String> data =
174 new ProducerRecord<>(topic, o.getKey(), o.toString());
175 fProducer.send(data);
177 } catch (Exception e) {
178 log.error("Failed to send message(s) to topic [" + topic + "].", e);
183 private Producer<String, String> fProducer;
186 * It sets the key value pair
192 private void transferSetting(Properties props, String key, String defVal) {
193 String kafkaProp= com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"kafka." + key);
194 if (StringUtils.isEmpty(kafkaProp)) kafkaProp=defVal;
195 props.put(key, kafkaProp);
198 private static final EELFLogger log = EELFManager.getInstance().getLogger(KafkaPublisher.class);
201 public void sendMessages(String topic, List<? extends message> msgs) throws IOException {
202 // TODO Auto-generated method stub