def register_cluster_groups(conf):
 cluster_names = []
 cluster_tags = _retrieve_extra_groups(conf, 'CLUSTER')
 for tag in cluster_tags:
  cluster_name = tag.split(':')[1]
  conf.register_opts(cluster_opts, tag, cluster_name)
  cluster_names.append(cluster_name)
 return cluster_names

def register_cluster_groups ( conf ) : cluster_names = [ ] cluster_tags = _retrieve_extra_groups ( conf , 'CLUSTER' ) for tag in cluster_tags : cluster_name = tag . split ( ':' ) [ 1 ] conf . register_opts ( cluster_opts , tag , cluster_name ) cluster_names . append ( cluster_name ) return cluster_names
retrieve configuration groups for nvp clusters .