실제 카프카 세팅

docker-compose.yml

@@ -0,0 +1,22 @@
+---
+version: '2'
+services:
+  zookeeper:
+    image: confluentinc/cp-zookeeper:latest
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+
+  kafka:
+    image: confluentinc/cp-kafka:latest
+    depends_on:
+      - zookeeper
+    ports:
+      - 29092:29092
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://deogicorgi.home:29092
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

producer/build.gradle

@@ -31,6 +31,7 @@ dependencies {
 //    // logging
 //    implementation('org.slf4j:jcl-over-slf4j')
 //    implementation('ch.qos.logback:logback-classic')
+    annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
 
     // test
     testImplementation 'org.springframework.boot:spring-boot-starter-test'

producer/src/main/java/com/github/deogicorgi/reactive/producer/config/KafkaConfig.java

@@ -1,5 +1,7 @@
 package com.github.deogicorgi.reactive.producer.config;
 
+import com.github.deogicorgi.reactive.producer.config.properties.KafkaProperties;
+import lombok.RequiredArgsConstructor;
 import org.apache.kafka.clients.producer.ProducerConfig;
 import org.apache.kafka.common.serialization.StringSerializer;
 import org.springframework.context.annotation.Bean;
@@ -16,10 +18,10 @@ import java.util.Map;
  * Kafka 설정
  */
 @Configuration
+@RequiredArgsConstructor
 public class KafkaConfig {
 
-    private String host;
+    private final KafkaProperties properties;
-    private String groupId;
 
     /******************************************************************
      ************************ Producer Options ************************
@@ -30,16 +32,15 @@ public class KafkaConfig {
         SenderOptions<String, Object> senderOptions = SenderOptions.create(getProducerProps());
         senderOptions.scheduler(Schedulers.parallel());
         senderOptions.closeTimeout(Duration.ofSeconds(5));
-
         return KafkaSender.create(senderOptions);
     }
 
     private Map<String, Object> getProducerProps() {
         return new HashMap<>() {{
-            put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, host);
+            put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getHosts());
             put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
             put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
-            put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 2000);
+            put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 1000);
         }};
     }
 }

producer/src/main/java/com/github/deogicorgi/reactive/producer/config/properties/KafkaProperties.java

@@ -0,0 +1,16 @@
+package com.github.deogicorgi.reactive.producer.config.properties;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Getter
+@Setter
+@Component
+@EnableConfigurationProperties
+@ConfigurationProperties("kafka")
+public class KafkaProperties {
+    private String hosts;
+}

producer/src/main/java/com/github/deogicorgi/reactive/producer/service/KafkaService.java

@@ -27,8 +27,8 @@ public class KafkaService {
                 // 전송완료 된 레코드를 Outbound로 리턴
                 .then()
                 // 에러 없이 전송이 완료 되었을 경우
-                .map(v -> new KafkaProduceResult(message))
+                .thenReturn(new KafkaProduceResult(message))
-                // 에러가 발생하였을 경우
+                // 에러가 발생했을 경우
                 .onErrorResume(e -> Mono.just(new KafkaProduceResult(message, e)));
     }
 

producer/src/main/resources/application.yml

@@ -2,5 +2,5 @@ server:
   port: 18080
 
 kafka:
-  host: test
+  hosts: deogicorgi.home:29092