Separate into files, prepare for Prometheus&Grafana

SymphonyManager/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:latest
 LABEL authors="lumijiez"
 
-FROM maven:3.9.8-eclipse-temurin-21 AS build
+FROM maven:3.9.9-eclipse-temurin-21 AS build
 
 WORKDIR /app
 

SymphonyManager/pom.xml

@@ -10,6 +10,41 @@
     <packaging>jar</packaging>
 
     <dependencies>
+        <dependency>
+            <groupId>com.rabbitmq</groupId>
+            <artifactId>amqp-client</artifactId>
+            <version>5.23.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.11.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.32</version>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.5.12</version>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+            <version>1.5.12</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>1.7.32</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -24,6 +59,20 @@
                 </configuration>
             </plugin>
 
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
@@ -38,5 +87,4 @@
             </plugin>
         </plugins>
     </build>
-
 </project>

SymphonyManager/src/main/java/io/github/lumijiez/BrokerConnector.java

@@ -0,0 +1,53 @@
+package io.github.lumijiez;
+
+import com.rabbitmq.client.Channel;
+import com.rabbitmq.client.Connection;
+import com.rabbitmq.client.ConnectionFactory;
+import com.rabbitmq.client.DeliverCallback;
+
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+public class BrokerConnector {
+    private static final String QUEUE_NAME = "random_json_queue";
+    private static final String RABBITMQ_HOST = "rabbitmq";
+    private static final String RABBITMQ_USER = "symphony";
+    private static final String RABBITMQ_PASSWORD = "symphony";
+
+    public static void connect() {
+        ScheduledExecutorService reconnectExecutor = Executors.newSingleThreadScheduledExecutor();
+
+        reconnectExecutor.scheduleWithFixedDelay(() -> {
+            try {
+                connectToRabbitMQ();
+            } catch (Exception e) {
+                System.err.println("Awaiting broker connection: " + e.getMessage());
+            }
+        }, 0, 5, TimeUnit.SECONDS);
+    }
+
+    private static void connectToRabbitMQ() throws Exception {
+        ConnectionFactory factory = new ConnectionFactory();
+        factory.setHost(RABBITMQ_HOST);
+        factory.setUsername(RABBITMQ_USER);
+        factory.setPassword(RABBITMQ_PASSWORD);
+
+        try (Connection connection = factory.newConnection();
+             Channel channel = connection.createChannel()) {
+
+            channel.queueDeclare(QUEUE_NAME, false, false, false, null);
+            System.out.println("Waiting for messages. To exit press CTRL+C");
+
+            DeliverCallback deliverCallback = (consumerTag, delivery) -> {
+                String message = new String(delivery.getBody(), StandardCharsets.UTF_8);
+                System.out.println("Received: " + message);
+            };
+
+            channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {});
+
+            Thread.currentThread().join();
+        }
+    }
+}

SymphonyManager/src/main/java/io/github/lumijiez/Main.java

@@ -1,7 +1,8 @@
 package io.github.lumijiez;
 
 public class Main {
+
     public static void main(String[] args) {
-        System.out.print("Manager started!");
+        BrokerConnector.connect();
     }
 }