def StartCluster(self):
    # Create a route if no external IP addresses are assigned to the workers.
    if self.flags.external_ip == 'all':
      self._GetApi().DeleteRoute(self.route_name)
    else:
      self._GetApi().AddRoute(self.route_name, self.master_name,
                              tags=[self.worker_tag])

    # Start master instance.
    self._StartInstance(self.master_name, role='master')
    self._WaitForMasterSsh()

    # Start worker instances.
    for i in xrange(self.flags.num_workers):
      self._StartInstance(self._WorkerName(i), role='worker')

    self._WaitForWorkersReady()
    self._ShowHadoopInformation()
Set decoded audio format.
dataset/ETHPy150Open GoogleCloudPlatform/solutions-google-compute-engine-cluster-for-hadoop/gce_cluster.py/GceCluster.StartCluster--crossover with--dataset/ETHPy150Open disqus/playa/playa/lib/vlc.py/MediaPlayer.audio_set_format