python学习之ansible api
#!/usr/bin/env python import jsonfrom collections import namedtuple
from ansible.parsing.dataloader import DataLoader
from ansible.vars import VariableManager
from ansible.inventory import Inventory
from ansible.playbook.play import Play
from ansible.executor.task_queue_manager import TaskQueueManager
from ansible.plugins.callback import CallbackBase
class ResultCallback(CallbackBase):
"""用于执行结果的示例回调插件
如果要将所有结果收集到单个对象进行处理
执行的结束，看看利用``json``回调插件
或编写自己的自定义回调插件
"""
def v2_runner_on_ok(self, result, **kwargs):
"""打印结果的json表示
该方法可以将结果存储在实例属性中以供以后检索
"""
host = result._host
print json.dumps({host.name: result._result}, indent=4)
Options = namedtuple('Options', ['connection', 'module_path', 'forks', 'become', 'become_method', 'become_user', 'check'])
# initialize needed objects
variable_manager = VariableManager()
loader = DataLoader()
options = Options(connection='local', module_path='/path/to/mymodules', forks=100, become=None, become_method=None, become_user=None, check=False)
passwords = dict(vault_pass='secret')
＃实例化我们的ResultCallback来处理结果进来时
results_callback = ResultCallback()
＃创建库存并传递给var manager
inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list='localhost')
variable_manager.set_inventory(inventory)
# create play with tasks
play_source =dict(
name = "Ansible Play",
hosts = 'localhost',
gather_facts = 'no',
tasks = [
dict(action=dict(module='shell', args='ls'), register='shell_out'),
dict(action=dict(module='debug', args=dict(msg='{{shell_out.stdout}}')))
]
)
play = Play().load(play_source, variable_manager=variable_manager, loader=loader)
# actually run it
tqm = None
try:
tqm = TaskQueueManager(
inventory=inventory,
variable_manager=variable_manager,
loader=loader,
options=options,
passwords=passwords,
stdout_callback=results_callback,# Use our custom callback instead of the ``default`` callback plugin
)
result = tqm.run(play)
finally:
if tqm is not None:
tqm.cleanup()
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