[SDC-BE] Add kafka ssl config

Signed-off-by: efiacor <fiachra.corcoran@est.tech>
Change-Id: I9e7c0e44566c46bd6225397a680015bf1c0f1c0b
Issue-ID: SDC-4476

4 files changed, 99 insertions, 61 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..06c36e4add
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaCommonConfig.java
@@ -0,0 +1,91 @@
+/*-
+ * ============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.openecomp.sdc.be.config.DistributionEngineConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class KafkaCommonConfig {
+
+    private static final Logger log = LoggerFactory.getLogger(KafkaCommonConfig.class.getName());
+
+    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)) {
+              log.error("Kafka over SSL has not been implemented yet");
+        }
+        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");
+        }
+    }
+
+}
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaHandler.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaHandler.java
index 2a5590e72d..5a3698055e 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaHandler.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/KafkaHandler.java
@@ -22,7 +22,6 @@ package org.openecomp.sdc.be.components.kafka;
 import com.google.gson.Gson;
 import com.google.gson.JsonSyntaxException;
 import fj.data.Either;
-import lombok.Getter;
 import lombok.Setter;
 import org.apache.http.HttpStatus;
 import org.apache.kafka.common.KafkaException;
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaConsumer.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaConsumer.java
index 8879bf000e..5350445ab1 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaConsumer.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaConsumer.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * SDC
  * ================================================================================
- * Copyright (C) 2022 Nordix Foundation. All rights reserved.
+ * Copyright (C) 2022-2023 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.
@@ -25,14 +25,10 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 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.consumer.ConsumerRecord;
 import org.apache.kafka.clients.consumer.ConsumerRecords;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
 import org.apache.kafka.common.KafkaException;
-import org.apache.kafka.common.config.SaslConfigs;
 import org.openecomp.sdc.be.config.DistributionEngineConfiguration;
 import org.openecomp.sdc.common.log.wrappers.Logger;
 
@@ -43,27 +39,16 @@ public class SdcKafkaConsumer {
 
     private static final Logger log = Logger.getLogger(SdcKafkaConsumer.class.getName());
     private final DistributionEngineConfiguration deConfiguration;
-    private KafkaConsumer<String, String> kafkaConsumer;
+    private final KafkaConsumer<String, String> kafkaConsumer;
 
     /**
      * Constructor setting up the KafkaConsumer from a predefined set of configurations
      */
     public SdcKafkaConsumer(DistributionEngineConfiguration deConfiguration){
         log.info("Create SdcKafkaConsumer via constructor");
-        Properties properties = new Properties();
+        KafkaCommonConfig kafkaCommonConfig = new KafkaCommonConfig(deConfiguration);
+        Properties properties = kafkaCommonConfig.getConsumerProperties();
         this.deConfiguration = deConfiguration;
-
-        properties.put(ConsumerConfig.CLIENT_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerId()+ "-consumer-" + UUID.randomUUID());
-        properties.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
-        properties.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,  "org.apache.kafka.common.serialization.StringDeserializer");
-        properties.put(ConsumerConfig.GROUP_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerGroup());
-        properties.put(CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG, deConfiguration.getKafkaBootStrapServers());
-        properties.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, "SASL_PLAINTEXT");
-        properties.put(ConsumerConfig.ALLOW_AUTO_CREATE_TOPICS_CONFIG, false);
-        properties.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
-        properties.put(SaslConfigs.SASL_MECHANISM, "SCRAM-SHA-512");
-
-        properties.put(SaslConfigs.SASL_JAAS_CONFIG, getKafkaSaslJaasConfig());
         kafkaConsumer = new KafkaConsumer<>(properties);
     }
 
@@ -80,19 +65,6 @@ public class SdcKafkaConsumer {
 
     /**
      *
-     * @return the Sasl Jass Config
-     */
-    private String getKafkaSaslJaasConfig() {
-        String saslJaasConfFromEnv = System.getenv("SASL_JAAS_CONFIG");
-        if(saslJaasConfFromEnv != null) {
-            return saslJaasConfFromEnv;
-        } else {
-            throw new KafkaException("sasl.jaas.config not set for Kafka Consumer");
-        }
-    }
-
-    /**
-     *
      * @param topic Topic in which to subscribe
      */
     public void subscribe(String topic) throws KafkaException {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaProducer.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaProducer.java
index bdc984d7b5..9e31da66b9 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaProducer.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/kafka/SdcKafkaProducer.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * SDC
  * ================================================================================
- * Copyright (C) 2022 Nordix Foundation. All rights reserved.
+ * Copyright (C) 2022-2023 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.
@@ -21,13 +21,9 @@ package org.openecomp.sdc.be.components.kafka;
 
 import com.google.common.annotations.VisibleForTesting;
 import java.util.Properties;
-import java.util.UUID;
-import org.apache.kafka.clients.CommonClientConfigs;
 import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.kafka.clients.producer.ProducerConfig;
 import org.apache.kafka.clients.producer.ProducerRecord;
 import org.apache.kafka.common.KafkaException;
-import org.apache.kafka.common.config.SaslConfigs;
 import org.openecomp.sdc.be.config.DistributionEngineConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -38,22 +34,15 @@ import org.slf4j.LoggerFactory;
 public class SdcKafkaProducer {
     private static final Logger log = LoggerFactory.getLogger(SdcKafkaProducer.class.getName());
 
-    private KafkaProducer<String, String> kafkaProducer;
+    private final KafkaProducer<String, String> kafkaProducer;
 
     /**
      * Constructor setting up the KafkaProducer from a predefined set of configurations
      */
     public SdcKafkaProducer(DistributionEngineConfiguration deConfiguration) {
         log.info("Create SdcKafkaProducer via constructor");
-        Properties properties = new Properties();
-
-        properties.put(ProducerConfig.CLIENT_ID_CONFIG, deConfiguration.getDistributionStatusTopic().getConsumerId() + "-producer-" + UUID.randomUUID());
-        properties.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
-        properties.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,  "org.apache.kafka.common.serialization.StringSerializer");
-        properties.put(CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG, deConfiguration.getKafkaBootStrapServers());
-        properties.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, "SASL_PLAINTEXT");
-        properties.put(SaslConfigs.SASL_JAAS_CONFIG, getKafkaSaslJaasConfig());
-        properties.put(SaslConfigs.SASL_MECHANISM, "SCRAM-SHA-512");
+        KafkaCommonConfig kafkaCommonConfig = new KafkaCommonConfig(deConfiguration);
+        Properties properties = kafkaCommonConfig.getProducerProperties();
         kafkaProducer = new KafkaProducer<>(properties);
     }
 
@@ -67,21 +56,8 @@ public class SdcKafkaProducer {
     }
 
     /**
-     * @return The Sasl Jaas Configuration
-     */
-    private static 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");
-        }
-    }
-
-    /**
      * @param message A message to Send
      * @param topicName The name of the topic to publish to
-     * @return The status of the send request
      */
     public void send(String message, String topicName) throws KafkaException {
         ProducerRecord<String, String> kafkaMessagePayload = new ProducerRecord<>(topicName, "PartitionKey", message);