[root@dhcppc6 rkumar]# systemctl status zookeeper
● zookeeper.service - Zookeeper service
   Loaded: loaded (/usr/lib/systemd/system/zookeeper.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2018-06-18 12:07:21 IST; 3min 52s ago
  Process: 8614 ExecStartPost=/usr/bin/wait4service localhost 2181 (code=exited, status=0/SUCCESS)
 Main PID: 8613 (java)
    Tasks: 18
   Memory: 32.8M
   CGroup: /system.slice/zookeeper.service
           └─8613 /usr/bin/java -Xmx2g -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false -Dlog4j.configuration=file:///etc/zookeeper/log4j.properties org.apac...

Jun 18 12:07:20 dhcppc6 systemd[1]: Starting Zookeeper service...
Jun 18 12:07:20 dhcppc6 zookeeper[8614]: Waiting for localhost:2181
Jun 18 12:07:20 dhcppc6 zookeeper[8613]: [myid:] - WARN  [main:QuorumPeerMain@113] - Either no config or no quorum defined in config, running  in standalone mode
Jun 18 12:07:21 dhcppc6 systemd[1]: Started Zookeeper service.
Jun 18 12:07:21 dhcppc6 zookeeper[8613]: [myid:] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@368] - caught end of stream exception
Jun 18 12:07:21 dhcppc6 zookeeper[8613]: EndOfStreamException: Unable to read additional data from client sessionid 0x0, likely client has closed socket
Jun 18 12:07:21 dhcppc6 zookeeper[8613]: at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:241)
Jun 18 12:07:21 dhcppc6 zookeeper[8613]: at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)
Jun 18 12:07:21 dhcppc6 zookeeper[8613]: at java.lang.Thread.run(Thread.java:748)
[root@dhcppc6 rkumar]# systemctl status rh-python35-nodepool-launcher
● rh-python35-nodepool-launcher.service - Nodepool Service
   Loaded: loaded (/usr/lib/systemd/system/rh-python35-nodepool-launcher.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2018-06-18 12:04:06 IST; 7min ago
 Main PID: 4982 (nodepool-launch)
    Tasks: 21
   Memory: 66.7M
   CGroup: /system.slice/rh-python35-nodepool-launcher.service
           └─4982 /opt/rh/rh-python35/root/usr/bin/python3 /opt/rh/rh-python35/root/usr/bin/nodepool-launcher -d -c /etc/opt/rh/rh-python35/nodepool/nodepool.yaml -s /etc/opt/rh/rh-python...

Jun 18 12:07:31 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:07:42 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:07:53 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:03 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:13 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:24 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:35 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:45 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:08:56 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
Jun 18 12:09:06 dhcppc6 nodepool-launcher[4982]: WARNING nodepool.zk.ZooKeeper: Retrying zookeeper connection
[root@dhcppc6 rkumar]#