本文整理汇总了Python中ansible.playbook.block.Block.run_once方法的典型用法代码示例。如果您正苦于以下问题：Python Block.run_once方法的具体用法？Python Block.run_once怎么用？Python Block.run_once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ansible.playbook.block.Block的用法示例。
在下文中一共展示了Block.run_once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: __init__
# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import run_once [as 别名]
def __init__(self, inventory, play, play_context, variable_manager, all_vars, start_at_done=False):
self._play = play
self._blocks = []
self._variable_manager = variable_manager
# Default options to gather
gather_subset = play_context.gather_subset
gather_timeout = play_context.gather_timeout
fact_path = play_context.fact_path
# Retrieve subset to gather
if self._play.gather_subset is not None:
gather_subset = self._play.gather_subset
# Retrieve timeout for gather
if self._play.gather_timeout is not None:
gather_timeout = self._play.gather_timeout
# Retrieve fact_path
if self._play.fact_path is not None:
fact_path = self._play.fact_path
setup_block = Block(play=self._play)
# Gathering facts with run_once would copy the facts from one host to
# the others.
setup_block.run_once = False
setup_task = Task(block=setup_block)
setup_task.action = 'gather_facts'
setup_task.name = 'Gathering Facts'
setup_task.tags = ['always']
setup_task.args = {
'gather_subset': gather_subset,
}
if gather_timeout:
setup_task.args['gather_timeout'] = gather_timeout
if fact_path:
setup_task.args['fact_path'] = fact_path
setup_task.set_loader(self._play._loader)
# short circuit fact gathering if the entire playbook is conditional
if self._play._included_conditional is not None:
setup_task.when = self._play._included_conditional[:]
setup_block.block = [setup_task]
setup_block = setup_block.filter_tagged_tasks(play_context, all_vars)
self._blocks.append(setup_block)
self.cache_block_tasks(setup_block)
for block in self._play.compile():
new_block = block.filter_tagged_tasks(play_context, all_vars)
if new_block.has_tasks():
self.cache_block_tasks(new_block)
self._blocks.append(new_block)
for handler_block in self._play.handlers:
self.cache_block_tasks(handler_block)
self._host_states = {}
start_at_matched = False
batch = inventory.get_hosts(self._play.hosts)
self.batch_size = len(batch)
for host in batch:
self._host_states[host.name] = HostState(blocks=self._blocks)
# if we're looking to start at a specific task, iterate through
# the tasks for this host until we find the specified task
if play_context.start_at_task is not None and not start_at_done:
while True:
(s, task) = self.get_next_task_for_host(host, peek=True)
if s.run_state == self.ITERATING_COMPLETE:
break
if task.name == play_context.start_at_task or fnmatch.fnmatch(task.name, play_context.start_at_task) or \
task.get_name() == play_context.start_at_task or fnmatch.fnmatch(task.get_name(), play_context.start_at_task):
start_at_matched = True
break
else:
self.get_next_task_for_host(host)
# finally, reset the host's state to ITERATING_SETUP
if start_at_matched:
self._host_states[host.name].did_start_at_task = True
self._host_states[host.name].run_state = self.ITERATING_SETUP
if start_at_matched:
# we have our match, so clear the start_at_task field on the
# play context to flag that we've started at a task (and future
# plays won't try to advance)
play_context.start_at_task = None