1 files changed, 96 insertions, 0 deletions
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/KafkaConfig.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/KafkaConfig.java
new file mode 100644
index 00000000..8affe281
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/KafkaConfig.java
@@ -0,0 +1,96 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2023 Deutsche Telekom 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.dcaegen2.services.prh.configuration;
+
+import org.apache.kafka.clients.consumer.ConsumerConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.kafka.annotation.EnableKafka;
+import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
+import org.springframework.kafka.core.ConsumerFactory;
+import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
+import org.springframework.kafka.listener.ContainerProperties;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:pravin.kokane@t-systems.com">Pravin Kokane</a> on 3/13/23
+ */
+
+@Profile("autoCommitDisabled")
+@EnableKafka
+@Configuration
+public class KafkaConfig
+{
+    String kafkaBoostrapServerConfig = System.getenv("kafkaBoostrapServerConfig");
+
+    String groupIdConfig = System.getenv("groupIdConfig");
+
+
+    String kafkaSecurityProtocol = System.getenv("kafkaSecurityProtocol");
+
+    String kafkaSaslMechanism = System.getenv("kafkaSaslMechanism");
+
+    String kafkaUsername = System.getenv("kafkaUsername");
+
+    String kafkaPassword = System.getenv("kafkaPassword");
+
+    String kafkaJaasConfig = System.getenv("JAAS_CONFIG");
+
+    String kafkaLoginModuleClassConfig = System.getenv("Login_Module_Class");
+
+    @Bean
+    public ConsumerFactory<String, String> consumerFactory()
+    {
+        Map<String,Object> config = new HashMap<>();
+        config.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,kafkaBoostrapServerConfig);
+        config.put(ConsumerConfig.GROUP_ID_CONFIG,groupIdConfig);
+        config.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
+        config.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,"org.apache.kafka.common.serialization.StringDeserializer");
+        config.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, false);
+        if(kafkaJaasConfig == null) {
+            kafkaJaasConfig = kafkaLoginModuleClassConfig + " required username=\""
+                + kafkaUsername + "\" password=\"" + kafkaPassword + "\";";
+        }
+        if(kafkaSecurityProtocol==null ) kafkaSecurityProtocol="SASL_PLAINTEXT";
+        config.put("security.protocol", kafkaSecurityProtocol);
+        if(kafkaSaslMechanism==null ) kafkaSaslMechanism="SCRAM-SHA-512";
+        config.put("sasl.mechanism", kafkaSaslMechanism);
+
+        config.put("sasl.jaas.config", kafkaJaasConfig);
+
+        return new DefaultKafkaConsumerFactory<>(config);
+    }
+
+    @Bean
+    public ConcurrentKafkaListenerContainerFactory kafkaListenerContainerFactory()
+    {
+        ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>();
+        factory.setConsumerFactory(consumerFactory());
+        factory.setBatchListener(true);
+        factory.getContainerProperties().setAckMode(ContainerProperties.AckMode.MANUAL);
+        return factory;
+    }
+}