kafka installation with systemd

kafka-oracle-vm-config.md

1. Install Kafka

   cd /opt
   curl -O http://www.gtlib.gatech.edu/pub/apache/kafka/0.11.0.0/kafka_2.11-0.11.0.0.tgz
   tar xvzf kafka_2.11-0.11.0.0.tgz
   ln -s kafka_2.11-0.11.0.0/ kafka

2. Edit /usr/lib/systemd/system/kafka-zookeeper.service

   [Unit]
   Description=Apache Zookeeper server (Kafka)
   Documentation=http://zookeeper.apache.org
   Requires=network.target remote-fs.target
   After=network.target remote-fs.target
   
   [Service]
   Type=simple
   User=kafka
   Group=kafka
   Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk
   ExecStart=/opt/kafka/bin/zookeeper-server-start.sh /opt/kafka/config/zookeeper.properties
   ExecStop=/opt/kafka/bin/zookeeper-server-stop.sh
   
   [Install]
   WantedBy=multi-user.target

3. Edit /usr/lib/systemd/system/kafka.service

   [Unit]
   Description=Apache Kafka server (broker)
   Documentation=http://kafka.apache.org/documentation.html
   Requires=network.target remote-fs.target
   After=network.target remote-fs.target kafka-zookeeper.service
   
   [Service]
   Type=simple
   User=kafka
   Group=kafka
   Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk
   ExecStart=/opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
   ExecStop=/opt/kafka/bin/kafka-server-stop.sh
   
   [Install]
   WantedBy=multi-user.target

4. Edit /opt/kafka/config/server.properties and change the listeners property

   listeners=PLAINTEXT://0.0.0.0:9092
   

5. Reload and start the systemd services

   systemctl daemon-reload
   systemctl start kafka-zookeeper.service
   systemctl start kafka.service