[STRIMZI] Migrate client from cambria to kafka native

Add call to sdc to get kafka and topic details
Add kafka config to IConfiguration interface

Signed-off-by: efiacor <fiachra.corcoran@est.tech>
Change-Id: Ibec77d1ff1cd25ad4adce133ee81d66e54c7707f
Issue-ID: DMAAP-1745

1 files changed, 98 insertions, 0 deletions

diff --git a/sdc-distribution-client/src/main/java/org/onap/sdc/utils/kafka/SdcKafkaProducer.java b/sdc-distribution-client/src/main/java/org/onap/sdc/utils/kafka/SdcKafkaProducer.java
new file mode 100644
index 0000000..9826f8b
--- /dev/null
+++ b/sdc-distribution-client/src/main/java/org/onap/sdc/utils/kafka/SdcKafkaProducer.java
@@ -0,0 +1,98 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * sdc-distribution-client
+ * ================================================================================
+ * Copyright (C) 2022 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.onap.sdc.utils.kafka;
+
+import java.util.List;
+import java.util.Properties;
+import java.util.UUID;
+import java.util.concurrent.Future;
+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.clients.producer.RecordMetadata;
+import org.apache.kafka.common.KafkaException;
+import org.apache.kafka.common.config.SaslConfigs;
+import org.onap.sdc.impl.Configuration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utility class that provides a KafkaProducer to communicate with a kafka cluster
+ */
+public class SdcKafkaProducer {
+
+    private static final Logger log = LoggerFactory.getLogger(SdcKafkaProducer.class);
+    final KafkaProducer<String, String> producer;
+    private final List<String> msgBusAddresses;
+    private final String topicName;
+
+    public SdcKafkaProducer(Configuration configuration) {
+        Properties props = new Properties();
+        props.put(CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG, configuration.getMsgBusAddress());
+        props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, configuration.getKafkaSecurityProtocolConfig());
+        props.put(SaslConfigs.SASL_MECHANISM, configuration.getKafkaSaslMechanism());
+        props.put(SaslConfigs.SASL_JAAS_CONFIG, configuration.getKafkaSaslJaasConfig());
+        props.put(ProducerConfig.CLIENT_ID_CONFIG, configuration.getConsumerID() + "-producer-" + UUID.randomUUID());
+        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,  "org.apache.kafka.common.serialization.StringSerializer");
+        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
+        producer = new KafkaProducer<>(props);
+        msgBusAddresses = configuration.getMsgBusAddress();
+        topicName = configuration.getStatusTopicName();
+    }
+
+    /**
+     *
+     * @param topicName The name of the topic to publish to
+     * @param key The key value of the ProducerRecord
+     * @param value The value of the ProducerRecord
+     * @return The RecordMetedata of the request
+     */
+    public Future<RecordMetadata> send(String topicName, String key, String value) {
+        Future<RecordMetadata> data;
+        try {
+            data = producer.send(new ProducerRecord<>(topicName, key, value));
+        } catch (KafkaException e) {
+            log.error("Failed the send data: exc {}", e.getMessage());
+            throw e;
+        }
+        return data;
+    }
+    /**
+     *
+     */
+    public void flush() {
+        try {
+            producer.flush();
+        }
+        catch (KafkaException e) {
+            log.error("Failed to send data: exc {}", e.getMessage());
+        }
+    }
+
+    public List<String> getMsgBusAddresses() {
+        return msgBusAddresses;
+    }
+
+    public String getTopicName() {
+        return topicName;
+    }
+}
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