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Initialization, dockerization, structure, RabbitMQ setup, docker-compose

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Lumijiez
2024-11-21 23:31:49 +02:00
commit de4f2cd7b3
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39
.gitignore vendored Normal file
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
**/.idea/
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

8
.idea/.gitignore generated vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

14
.idea/misc.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

6
.idea/vcs.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

24
SymphonyManager/Dockerfile Normal file
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FROM ubuntu:latest
LABEL authors="lumijiez"
FROM maven:3.9.8-eclipse-temurin-21 AS build
WORKDIR /app
COPY pom.xml .
RUN mvn dependency:go-offline
COPY src /app/src
RUN mvn clean package -DskipTests
FROM openjdk:21
WORKDIR /app
COPY --from=build /app/target/SymphonyManager-1.0-SNAPSHOT.jar /app/SymphonyManager.jar
EXPOSE 8081
ENTRYPOINT ["java", "-jar", "SymphonyManager.jar"]

42
SymphonyManager/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.github.lumijiez</groupId>
<artifactId>SymphonyManager</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<dependencies>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>21</source>
<target>21</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifestEntries>
<Main-Class>io.github.lumijiez.Main</Main-Class>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</project>

17
SymphonyManager/src/main/java/io/github/lumijiez/Main.java Normal file
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package io.github.lumijiez;
//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
public static void main(String[] args) {
//TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
// to see how IntelliJ IDEA suggests fixing it.
System.out.printf("Hello and welcome!");
for (int i = 1; i <= 5; i++) {
//TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
// for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
System.out.println("i = " + i);
}
}
}

24
SymphonyProducer/Dockerfile Normal file
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FROM ubuntu:latest
LABEL authors="lumijiez"
FROM maven:3.9.9-eclipse-temurin-21 AS build
WORKDIR /app
COPY pom.xml .
RUN mvn dependency:go-offline
COPY src /app/src
RUN mvn clean package -DskipTests
FROM openjdk:21
WORKDIR /app
COPY --from=build /app/target/SymphonyProducer-1.0-SNAPSHOT.jar /app/SymphonyProducer.jar
EXPOSE 8082
ENTRYPOINT ["java", "-jar", "SymphonyProducer.jar"]

42
SymphonyProducer/dependency-reduced-pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.github.lumijiez</groupId>
<artifactId>SymphonyProducer</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>21</source>
<target>21</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifestEntries>
<Main-Class>io.github.lumijiez.Main</Main-Class>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</project>

84
SymphonyProducer/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.github.lumijiez</groupId>
<artifactId>SymphonyProducer</artifactId>
<version>1.0-SNAPSHOT</version>
<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>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>21</source>
<target>21</target>
</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>
<version>3.1.0</version>
<configuration>
<archive>
<manifestEntries>
<Main-Class>io.github.lumijiez.Main</Main-Class>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</project>

91
SymphonyProducer/src/main/java/io/github/lumijiez/Main.java Normal file
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package io.github.lumijiez;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeoutException;
public class Main {
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 main(String[] args) {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost(RABBITMQ_HOST);
factory.setUsername(RABBITMQ_USER);
factory.setPassword(RABBITMQ_PASSWORD);
Connection connection = null;
Channel channel = null;
while (true) {
try {
System.out.println("Attempting to connect to RabbitMQ...");
connection = factory.newConnection();
channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
System.out.println("Connected to RabbitMQ and queue declared.");
Timer timer = new Timer(true);
Channel finalChannel = channel;
timer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
try {
String jsonMessage = generateRandomJson();
finalChannel.basicPublish("", QUEUE_NAME, null, jsonMessage.getBytes(StandardCharsets.UTF_8));
System.out.println("Sent: " + jsonMessage);
} catch (IOException e) {
System.err.println("Failed to send message: " + e.getMessage());
}
}
}, 0, 10000);
System.out.println("Press Ctrl+C to exit.");
Thread.sleep(Long.MAX_VALUE);
break;
} catch (IOException | TimeoutException | InterruptedException e) {
System.err.println("Failed to connect to RabbitMQ: " + e.getMessage());
System.err.println("Retrying in 5 seconds...");
try {
if (connection != null && connection.isOpen()) {
connection.close();
}
if (channel != null && channel.isOpen()) {
channel.close();
}
} catch (IOException | TimeoutException ignored) {
}
try {
Thread.sleep(5000);
} catch (InterruptedException ie) {
Thread.currentThread().interrupt();
}
}
}
}
private static String generateRandomJson() {
Random random = new Random();
JsonObject jsonObject = new JsonObject();
jsonObject.add("id", new JsonPrimitive(random.nextInt(1000)));
jsonObject.add("name", new JsonPrimitive("Item_" + random.nextInt(100)));
jsonObject.add("value", new JsonPrimitive(random.nextDouble() * 100));
return jsonObject.toString();
}
}

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docker-compose.yml Normal file
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services:
symphony-manager:
build:
context: ./SymphonyManager
dockerfile: Dockerfile
ports:
- "8081:8081"
networks:
- symphony-network
symphony-producer:
build:
context: ./SymphonyProducer
dockerfile: Dockerfile
ports:
- "8082:8082"
networks:
- symphony-network
rabbitmq:
image: "rabbitmq:management"
ports:
- "5672:5672"
- "15672:15672"
environment:
- RABBITMQ_DEFAULT_USER=symphony
- RABBITMQ_DEFAULT_PASS=symphony
- RABBITMQ_NODENAME=rabbit@rabbitmq
volumes:
- rabbitmq_data:/var/lib/rabbitmq
networks:
- symphony-network
restart: always
networks:
symphony-network:
driver: bridge
volumes:
rabbitmq_data:

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pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.github.lumijiez</groupId>
<artifactId>Symphony</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>SymphonyManager</module>
<module>SymphonyProducer</module>
</modules>
<dependencies>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>21</source>
<target>21</target>
</configuration>
</plugin>
</plugins>
</build>
</project>