[Unit]
Description=Highly reliable distributed coordination server
After=network.target

[Service]
Type=simple
User=root
SyslogIdentifier=zookeeper
Environment=ZOOCFGDIR=/etc/zookeeper
Environment=ZOO_LOG_DIR=/var/log/zookeeper
Environment=JAVA_HOME=/usr/lib/jvm/java-7-openjdk
WorkingDirectory=/opt/zookeeper-3.4.5
ExecStart=/opt/zookeeper-3.4.5/bin/zkServer.sh start-foreground
ExecStop=/opt/zookeeper-3.4.5/bin/zkServer.sh stop

[Install]
WantedBy=multi-user.target