如何使用Ansible 2的API做python开发

import ansible.runner
runner = ansible.runner.Runner(
module_name='ping',
module_args='',
pattern='web*',
forks=10
)
datastructure = runner.run()
ansible.executor.task_queue_manager

这是ansible的一个内部模块（ansible/executor/task_queue_manager.py）。初始化的源码如下：
class TaskQueueManager:
'''
This class handles the multiprocessing requirements of Ansible by
creating a pool of worker forks, a result handler fork, and a
manager object with shared datastructures/queues for coordinating
work between all processes.
The queue manager is responsible for loading the play strategy plugin,
which dispatches the Play's tasks to hosts.
'''
def __init__(self, inventory, variable_manager, loader, options, passwords, stdout_callback=None, run_additional_callbacks=True, run_tree=False):self._inventory = inventoryself._variable_manager = variable_managerself._loader = loaderself._options = optionsself._stats = AggregateStats()self.passwords = passwordsself._stdout_callback = stdout_callbackself._run_additional_callbacks = run_additional_callbacksself._run_tree = run_treeself._callbacks_loaded = Falseself._callback_plugins = []self._start_at_done = Falseself._result_prc = None……
创建时，需要的主要参数包括：
inventory --> 由ansible.inventory模块创建，用于导入inventory文件
variable_manager --> 由ansible.vars模块创建，用于存储各类变量信息
loader --> 由ansible.parsing.dataloader模块创建，用于数据解析
options --> 存放各类配置信息的数据字典
passwords --> 登录密码，可设置加密信息
stdout_callback --> 回调函数
ansible.playbook.play

ansible.playbook是一个原生模块，既用于CLI也用于API。从源码可以看出来：
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()

ansible.playbook.play（ansible/playbook/play.py）。初始化源码的介绍如下：

__all__ = ['Play']

class Play(Base, Taggable, Become):
"""
A play is a language feature that represents a list of roles and/or
task/handler blocks to execute on a given set of hosts.
Usage:
Play.load(datastructure) -> Play
Play.something(...)
"""
最后，用task_queue_manager(play)来执行，老规矩，源码的官方解释。
def run(self, play):'''Iterates over the roles/tasks in a play, using the given (or default)strategy for queueing tasks. The default is the linear strategy, whichoperates like classic Ansible by keeping all hosts in lock-step witha given task (meaning no hosts move on to the next task until all hostsare done with the current task).'''

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