本文整理汇总了Python中cluster.Cluster.exists方法的典型用法代码示例。如果您正苦于以下问题：Python Cluster.exists方法的具体用法？Python Cluster.exists怎么用？Python Cluster.exists使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cluster.Cluster的用法示例。
在下文中一共展示了Cluster.exists方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: log
# 需要导入模块: from cluster import Cluster [as 别名]
# 或者: from cluster.Cluster import exists [as 别名]
# if not syncing, and link down longer than 30s
down = ((master_sync_in_progress == 0) and
(link_down_since_seconds > 30))
else:
down = False
except Exception as e:
log('master are down, or we were master, in any case we should not be here ', 'info')
down = True
if down:
log('down: find a new master!', 'info')
try:
master = r.info()['master_host']
log("master: {0}".format(master), 'info')
if cluster.exists(master):
grandmaster = cluster.get_master(master)
log("{0} = cluster.get_master({1})".format(grandmaster, master), 'info')
# and make sure the master doesn't participate anymore
cluster.incarcerate_node(master)
log("cluster.incarcerate_node({0})".format(master), 'info')
else:
grandmaster = cluster.get_master(node)
log("{0} = cluster.get_master({1})".format(grandmaster, node), 'info')
except:
log('we never were a slave', 'info')
grandmaster = None
if grandmaster == None:
r53_zone.update_record(cluster.name(), endpoint)