1 files changed, 93 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaCommonConfig.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaCommonConfig.java
new file mode 100644
index 0000000000..425b681f4b
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaCommonConfig.java
@@ -0,0 +1,93 @@
+/*-
+ * ============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");
+        }
+    }
+
+}