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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2023 Nordix Foundation. 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.openecomp.sdc.be.components.kafka;
import java.util.Properties;
import java.util.UUID;
import org.apache.kafka.clients.CommonClientConfigs;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.KafkaException;
import org.apache.kafka.common.config.SaslConfigs;
import org.apache.kafka.common.config.SslConfigs;
import org.onap.config.api.JettySSLUtils;
import org.openecomp.sdc.be.config.DistributionEngineConfiguration;
public class KafkaCommonConfig {
private final DistributionEngineConfiguration deConfiguration;
public KafkaCommonConfig(DistributionEngineConfiguration config){
this.deConfiguration = config;
}
public Properties getConsumerProperties(){
Properties props = new Properties();
setCommonProperties(props);
props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
props.put(ConsumerConfig.CLIENT_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerId() + "-consumer-" + UUID.randomUUID());
props.put(ConsumerConfig.GROUP_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerGroup());
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
return props;
}
public Properties getProducerProperties(){
Properties props = new Properties();
setCommonProperties(props);
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.CLIENT_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerId() + "-producer-" + UUID.randomUUID());
return props;
}
private void setCommonProperties(Properties props) {
String securityProtocolConfig = System.getenv().getOrDefault("SECURITY_PROTOCOL", "SASL_PLAINTEXT");
props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, securityProtocolConfig);
props.put(CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG, deConfiguration.getKafkaBootStrapServers());
if("SSL".equals(securityProtocolConfig)) {
final JettySSLUtils.JettySslConfig sslConfig = JettySSLUtils.getSSLConfig();
props.put(SslConfigs.SSL_KEYSTORE_LOCATION_CONFIG, sslConfig.getKeystorePath());
props.put(SslConfigs.SSL_KEYSTORE_PASSWORD_CONFIG, sslConfig.getKeystorePass());
props.put(SslConfigs.SSL_KEY_PASSWORD_CONFIG, sslConfig.getKeyStoreManager());
props.put(SslConfigs.SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_CONFIG, "");
props.put(SslConfigs.SSL_TRUSTSTORE_LOCATION_CONFIG, sslConfig.getTruststorePath());
props.put(SslConfigs.SSL_TRUSTSTORE_PASSWORD_CONFIG, sslConfig.getTruststorePass());
} else {
props.put(SaslConfigs.SASL_JAAS_CONFIG, getKafkaSaslJaasConfig());
props.put(SaslConfigs.SASL_MECHANISM, "SCRAM-SHA-512");
}
}
/**
* @return The Sasl Jaas Configuration
*/
private String getKafkaSaslJaasConfig() throws KafkaException {
String saslJaasConfFromEnv = System.getenv("SASL_JAAS_CONFIG");
if(saslJaasConfFromEnv != null) {
return saslJaasConfFromEnv;
} else {
throw new KafkaException("sasl.jaas.config not set for Kafka Consumer");
}
}
}
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