def enter(self):
        try:
            self.client.retry(self._inner_enter)
            self.participating = True
        except KazooException:
            # We failed to enter, best effort cleanup
            self._best_effort_cleanup()
            self.participating = False
Enter the barrier, blocks until all nodes have entered
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/kazoo-2.0/kazoo/recipe/barrier.py/DoubleBarrier.enter