From: Kai Moritz <kai@juplo.de>
Date: Tue, 31 Jan 2023 18:31:22 +0000 (+0100)
Subject: Code & Setup für acks-Übung überarbeitet
X-Git-Tag: supersimple-producer--acks
X-Git-Url: http://juplo.de/gitweb/?a=commitdiff_plain;h=5920903147fce2b51f388b709c2ac1eddf522a2c;p=demos%2Fkafka%2Ftraining

Code & Setup für acks-Übung überarbeitet
---

diff --git a/README.sh b/README.sh
index b10c65a..b03b79b 100755
--- a/README.sh
+++ b/README.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-IMAGE=juplo/supersimple-producer:1.0-SNAPSHOT
+IMAGE=juplo/supersimple-producer-endless:1.0-SNAPSHOT
 
 if [ "$1" = "cleanup" ]
 then
diff --git a/docker-compose.yml b/docker-compose.yml
index e910e9c..efdadd5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -107,26 +107,25 @@ services:
       - kafka-3
 
   acks-all:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-all
       spring.kafka.producer.acks: all
+    command: --key=klaus
 
   acks-1:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-1
       spring.kafka.producer.acks: 1
+    command: --key=peter
 
   acks-0:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-0
       spring.kafka.producer.acks: 0
-
-  consumer:
-    image: juplo/toolbox
-    command: kafkacat -C -b kafka:9092 -t test -o 0 -f'p=%p|o=%o|k=%k|v=%s\n'
+    command: --key=ute
diff --git a/pom.xml b/pom.xml
index ccab861..cab26a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
   </parent>
 
   <groupId>de.juplo.kafka</groupId>
-  <artifactId>supersimple-producer</artifactId>
+  <artifactId>supersimple-producer-endless</artifactId>
   <name>Super Simple Producer</name>
   <description>Most minimal Kafka Producer ever!</description>
   <version>1.0-SNAPSHOT</version>
diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java
index 4632e22..2dc5756 100644
--- a/src/main/java/de/juplo/kafka/Application.java
+++ b/src/main/java/de/juplo/kafka/Application.java
@@ -10,6 +10,8 @@ import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.kafka.support.SendResult;
 import org.springframework.util.concurrent.ListenableFuture;
 
+import java.util.List;
+
 
 @Slf4j
 @SpringBootApplication
@@ -21,10 +23,17 @@ public class Application implements ApplicationRunner
   @Override
   public void run(ApplicationArguments args)
   {
+    List<String> keys = args.getOptionValues("key");
+    if (keys == null || keys.size() != 1)
+    {
+      log.error("Exactly one key has to be given with --key");
+      return;
+    }
+    String key = keys.get(0);
     for (int i = 0; true; i++)
     {
       ListenableFuture<SendResult<String, String>> listenableFuture =
-          kafkaTemplate.send("test", Long.toString(i%10), Long.toString(i));
+          kafkaTemplate.send("test", key, Long.toString(i));
 
       listenableFuture.addCallback(
           result -> log.info(