本文整理汇总了Python中nailgun.task.task.TaskHelper.nodes_to_upgrade方法的典型用法代码示例。如果您正苦于以下问题：Python TaskHelper.nodes_to_upgrade方法的具体用法？Python TaskHelper.nodes_to_upgrade怎么用？Python TaskHelper.nodes_to_upgrade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nailgun.task.task.TaskHelper的用法示例。
在下文中一共展示了TaskHelper.nodes_to_upgrade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: execute
# 需要导入模块: from nailgun.task.task import TaskHelper [as 别名]
# 或者: from nailgun.task.task.TaskHelper import nodes_to_upgrade [as 别名]
def execute(self):
if not self.cluster.pending_release_id:
raise errors.InvalidReleaseId(
u"Can't update environment '{0}' when "
u"new release Id is invalid".format(self.cluster.name))
running_tasks = db().query(Task).filter_by(
cluster_id=self.cluster.id,
status='running'
).filter(
Task.name.in_([
'deploy',
'deployment',
'reset_environment',
'stop_deployment'
])
)
if running_tasks.first():
raise errors.TaskAlreadyRunning(
u"Can't update environment '{0}' when "
u"other task is running".format(
self.cluster.id
)
)
nodes_to_change = TaskHelper.nodes_to_upgrade(self.cluster)
objects.NodeCollection.update_slave_nodes_fqdn(nodes_to_change)
logger.debug('Nodes to update: {0}'.format(
' '.join([n.fqdn for n in nodes_to_change])))
task_update = Task(name='update', cluster=self.cluster)
db().add(task_update)
self.cluster.status = 'update'
db().flush()
deployment_message = self._call_silently(
task_update,
tasks.UpdateTask,
nodes_to_change,
method_name='message')
db().refresh(task_update)
task_update.cache = deployment_message
for node in nodes_to_change:
node.status = 'deploying'
node.progress = 0
db().commit()
rpc.cast('naily', deployment_message)
return task_update