The main use of the Python Cloud Scripts is to run Hadoop clusters, but you can also run other services such as Apache ZooKeeper.
To run Apache ZooKeeper, set the service parameter to zookeeper:
[my-zookeeper-cluster] service=zookeeper ami=ami-ed59bf84 instance_type=m1.small key_name=tom availability_zone=us-east-1c public_key=/path/to/public/key/file private_key=/path/to/private/key/file
To launch a three-node ZooKeeper ensemble:
% ./hadoop-ec2 launch-cluster my-zookeeper-cluster 3 zk