Added kafka queue and initial messages for delete account (#10036)

* Added kafka queue and initial messages for delete account

* Checked for env vars

website/server/libs/queue/index.js

@@ -0,0 +1,43 @@
+import Kafka from 'node-rdkafka';
+import nconf from 'nconf';
+
+const GROUP_ID = nconf.get('KAFKA:GROUP_ID');
+const CLOUDKARAFKA_BROKERS = nconf.get('KAFKA:CLOUDKARAFKA_BROKERS');
+const CLOUDKARAFKA_USERNAME = nconf.get('KAFKA:CLOUDKARAFKA_USERNAME');
+const CLOUDKARAFKA_PASSWORD = nconf.get('KAFKA:CLOUDKARAFKA_PASSWORD');
+const CLOUDKARAFKA_TOPIC_PREFIX = nconf.get('KAFKA:CLOUDKARAFKA_TOPIC_PREFIX');
+
+const kafkaConf = {
+  'group.id': GROUP_ID,
+  'metadata.broker.list': CLOUDKARAFKA_BROKERS ? CLOUDKARAFKA_BROKERS.split(',') : '',
+  'socket.keepalive.enable': true,
+  'security.protocol': 'SASL_SSL',
+  'sasl.mechanisms': 'SCRAM-SHA-256',
+  'sasl.username': CLOUDKARAFKA_USERNAME,
+  'sasl.password': CLOUDKARAFKA_PASSWORD,
+  debug: 'generic,broker,security',
+};
+
+const prefix = CLOUDKARAFKA_TOPIC_PREFIX;
+const topic = `${prefix}-default`;
+const producer = new Kafka.Producer(kafkaConf);
+
+producer.connect();
+
+process.on('exit', () => {
+  if (producer.isConnected()) producer.disconnect();
+});
+
+const api = {};
+
+api.sendMessage = function sendMessage (message, key) {
+  if (!producer.isConnected()) return;
+
+  try {
+    producer.produce(topic, -1, new Buffer(JSON.stringify(message)), key);
+  } catch (e) {
+    // @TODO: Send the to loggly?
+  }
+};
+
+module.exports = api;