def ConfigureLazyWorkers(self):
    """ Lazy workers are instances that are running and reachable but failed to 
    register with the cldb to join the mapr cluster. This trys to find these 
    missing workers and add them to the cluster. """
    lazy_worker_instances = self.__GetMissingWorkers()
    if not lazy_worker_instances:
      return
    reachable_states = self.__AreInstancesReachable(lazy_worker_instances)
    reachable_instances = [t[0] for t in zip(lazy_worker_instances, 
                                             reachable_states) if t[1]]
    print 'reachable_instances: %s' % reachable_instances 
    self.__ConfigureWorkers(reachable_instances)
    return
Lazy workers are instances that are running and reachable but failed to 
    register with the cldb to join the mapr cluster. This trys to find these 
    missing workers and add them to the cluster.