a simple sample-script to create cassandra cluster

mushroom.py

#!/usr/bin/env python

import os
import shutil
import ccmlib.cluster


CLEAR = True

NODE_NUM = 4
CLUSTER_NAME = 'mushroom'
WORKSPACE = '/path/to/.ccm'
CASSANDR_DIR = '/path/to/apache-cassandra-1.2.2-src'

if __name__ == '__main__':
    os.makedirs(WORKSPACE)
    cluster = ccmlib.cluster.Cluster(WORKSPACE, CLUSTER_NAME, cassandra_dir=CASSANDR_DIR)
    cluster.set_log_level('INFO')
    try:
        print 'populating'
        cluster.populate(NODE_NUM)
        cluster.start()
        print 'populate OK'
    except Exception as e:
        raise
    finally:
        if CLEAR:
            cluster.remove()
            shutil.rmtree(WORKSPACE)