From 143ec4588fd36d1c42e58711731a2d0e4ba4c1c3 Mon Sep 17 00:00:00 2001
From: Bazilio <4119114+xBazilio@users.noreply.github.com>
Date: Thu, 27 May 2021 23:14:02 +0300
Subject: [PATCH] kafka_cluster

---
 README.MD             |  1 +
 docker-compose.yml    |  6 ++++++
 kafka-server-start.sh | 46 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100755 kafka-server-start.sh

diff --git a/README.MD b/README.MD
index d834c63..78224de 100644
--- a/README.MD
+++ b/README.MD
@@ -12,6 +12,7 @@ I did my best to include helpfull examples for most common use cases
 
 1. Download and unpack [kafka](https://kafka.apache.org/downloads) into `kafka_distr` folder
 1. Copy and overwrite *.properties files from `kafka_custom_config` to `kafka_distr/config`
+1. Copy and overwrite `kafka-server-start.sh` fo `kafka_distr/bin`
 1. Run `docker-compose up`
 
 ### Usage
diff --git a/docker-compose.yml b/docker-compose.yml
index 9dcfa7d..c85a0b7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,6 +7,7 @@ services:
     volumes:
       - "$PWD/kafka_distr:/opt/kafka"
       - "$PWD/zookeeper/data/zoo1:/opt/zookeeper"
+    hostname: zoo1
     networks:
       - kafka-lab
   zoo2:
@@ -16,6 +17,7 @@ services:
     volumes:
       - "$PWD/kafka_distr:/opt/kafka"
       - "$PWD/zookeeper/data/zoo2:/opt/zookeeper"
+    hostname: zoo2
     networks:
       - kafka-lab
   zoo3:
@@ -25,6 +27,7 @@ services:
     volumes:
       - "$PWD/kafka_distr:/opt/kafka"
       - "$PWD/zookeeper/data/zoo3:/opt/zookeeper"
+    hostname: zoo3
     networks:
       - kafka-lab
 
@@ -37,6 +40,7 @@ services:
       - zoo1
       - zoo2
       - zoo3
+    hostname: kafka1
     networks:
       - kafka-lab
     environment:
@@ -51,6 +55,7 @@ services:
       - zoo1
       - zoo2
       - zoo3
+    hostname: kafka2
     networks:
       - kafka-lab
     environment:
@@ -65,6 +70,7 @@ services:
       - zoo1
       - zoo2
       - zoo3
+    hostname: kafka3
     networks:
       - kafka-lab
     environment:
diff --git a/kafka-server-start.sh b/kafka-server-start.sh
new file mode 100755
index 0000000..86d2771
--- /dev/null
+++ b/kafka-server-start.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+sleep 20
+
+if [ $# -lt 1 ];
+then
+	echo "USAGE: $0 [-daemon] server.properties [--override property=value]*"
+	exit 1
+fi
+base_dir=$(dirname $0)
+
+if [ "x$KAFKA_LOG4J_OPTS" = "x" ]; then
+    export KAFKA_LOG4J_OPTS="-Dlog4j.configuration=file:$base_dir/../config/log4j.properties"
+fi
+
+if [ "x$KAFKA_HEAP_OPTS" = "x" ]; then
+    export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G"
+fi
+
+EXTRA_ARGS=${EXTRA_ARGS-'-name kafkaServer -loggc'}
+
+COMMAND=$1
+case $COMMAND in
+  -daemon)
+    EXTRA_ARGS="-daemon "$EXTRA_ARGS
+    shift
+    ;;
+  *)
+    ;;
+esac
+
+exec $base_dir/kafka-run-class.sh $EXTRA_ARGS kafka.Kafka "$@"