File zookeeper.service of Package zookeeper

[Unit]
Description=Apache ZooKeeper
After=network.target
ConditionPathExists=/etc/zookeeper/zoo.cfg
ConditionPathExists=/etc/zookeeper/log4j.properties
ConditionPathExists=/var/lib/zookeeper/data/myid

[Service]
Type=simple
SyslogIdentifier=zookeeper
WorkingDirectory=/var/lib/zookeeper 
ExecStartPre=-/usr/bin/zkCleanTRX.sh /var/lib/zookeeper
ExecStart=/usr/bin/zkServer.sh start-foreground /etc/zookeeper/zoo.cfg

User=zookeeper
Group=zookeeper
Restart=always
RestartSec=20

[Install]
WantedBy=multi-user.target