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# ~*~ coding: utf-8 ~*~
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from __future__ import unicode_literals
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import os
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import json
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from ansible.executor.task_queue_manager import TaskQueueManager
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from ansible.inventory import Inventory, Host, Group
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from ansible.vars import VariableManager
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from ansible.parsing.dataloader import DataLoader
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from ansible.executor import playbook_executor
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from ansible.utils.display import Display
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from ansible.playbook.play import Play
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import ansible.constants as default_config
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from ansible.plugins.callback import CallbackBase
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class AnsibleError(StandardError):
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pass
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class Config(object):
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"""Ansible运行时配置类, 用于初始化Ansible.
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"""
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def __init__(self, verbosity=None, inventory=None, listhosts=None, subset=None, module_paths=None, extra_vars=None,
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forks=None, ask_vault_pass=None, vault_password_files=None, new_vault_password_file=None,
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output_file=None, tags=None, skip_tags=None, one_line=None, tree=None, ask_sudo_pass=None, ask_su_pass=None,
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sudo=None, sudo_user=None, become=None, become_method=None, become_user=None, become_ask_pass=None,
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ask_pass=None, private_key_file=None, remote_user=None, connection=None, timeout=None, ssh_common_args=None,
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sftp_extra_args=None, scp_extra_args=None, ssh_extra_args=None, poll_interval=None, seconds=None, check=None,
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syntax=None, diff=None, force_handlers=None, flush_cache=None, listtasks=None, listtags=None, module_path=None):
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self.verbosity = verbosity
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self.inventory = inventory
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self.listhosts = listhosts
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self.subset = subset
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self.module_paths = module_paths
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self.extra_vars = extra_vars
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self.forks = forks
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self.ask_vault_pass = ask_vault_pass
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self.vault_password_files = vault_password_files
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self.new_vault_password_file = new_vault_password_file
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self.output_file = output_file
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self.tags = tags
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self.skip_tags = skip_tags
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self.one_line = one_line
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self.tree = tree
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self.ask_sudo_pass = ask_sudo_pass
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self.ask_su_pass = ask_su_pass
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self.sudo = sudo
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self.sudo_user = sudo_user
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self.become = become
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self.become_method = become_method
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self.become_user = become_user
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self.become_ask_pass = become_ask_pass
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self.ask_pass = ask_pass
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self.private_key_file = private_key_file
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self.remote_user = remote_user
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self.connection = connection
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self.timeout = timeout
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self.ssh_common_args = ssh_common_args
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self.sftp_extra_args = sftp_extra_args
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self.scp_extra_args = scp_extra_args
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self.ssh_extra_args = ssh_extra_args
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self.poll_interval = poll_interval
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self.seconds = seconds
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self.check = check
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self.syntax = syntax
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self.diff = diff
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self.force_handlers = force_handlers
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self.flush_cache = flush_cache
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self.listtasks = listtasks
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self.listtags = listtags
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self.module_path = module_path
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self.__overwrite_default()
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def __overwrite_default(self):
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"""上面并不能包含Ansible所有的配置, 如果有其他的配置,
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可以通过替换default_config模块里面的变量进行重载，
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比如 default_config.DEFAULT_ASK_PASS = False.
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"""
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default_config.HOST_KEY_CHECKING = False
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class MyInventory(object):
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"""Ansible Inventory对象的封装, Inventory是Ansbile中的核心概念(资产清单),
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这个概念和CMDB很像,都是对资产的抽象. 为了简化Inventory的使用, 通过传入资产列表即可初始化Inventory.
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"""
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def __init__(self, *assets, **group):
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"""初始化Inventory对象, args为一个资产列表, kwargs是资产组变量列表, 比如
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args:
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[{
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"name": "asset_name",
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"ip": "asset_ip",
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"port": "asset_port",
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"username": "asset_user",
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"password": "asset_pass",
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"key": "asset_private_key",
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"group": "asset_group_name",
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...
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}]
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kwargs:
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"groupName1": {"group_variable1": "value1",...}
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"groupName2": {"group_variable1": "value1",...}
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"""
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self.assets = assets
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self.assets_group = group
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self.loader = DataLoader()
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self.variable_manager = VariableManager()
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self.groups = []
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self.inventory = self.gen_inventory()
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def __gen_group(self):
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"""初始化Ansible Group, 将资产添加到Inventory里面
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:return: None
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"""
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# 创建Ansible Group.
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for asset in self.assets:
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g_name = asset.get('group', 'default')
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if g_name not in [g.name for g in self.groups]:
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group = Group(name=asset.get('group', 'default'))
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self.groups.append(group)
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# 初始化组变量
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for group_name, variables in self.assets_group.iteritems():
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for g in self.groups:
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if g.name == group_name:
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for v_name, v_value in variables:
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g.set_variable(v_name, v_value)
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# 往组里面添加Host
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for asset in self.assets:
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host = Host(name=asset['name'], port=asset['port'])
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host.set_variable('ansible_ssh_host', asset['ip'])
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host.set_variable('ansible_ssh_port', asset['port'])
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host.set_variable('ansible_ssh_user', asset['username'])
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if asset.get('password'):
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host.set_variable('ansible_ssh_pass', asset['password'])
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if asset.get('key'):
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host.set_variable('ansible_ssh_private_key_file', asset['key'])
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for key, value in asset.iteritems():
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if key not in ["name", "port", "ip", "username", "password", "key"]:
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host.set_variable(key, value)
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for g in self.groups:
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if g.name == asset.get('group', 'default'):
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g.add_host(host)
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def validate(self):
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pass
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def gen_inventory(self):
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self.validate()
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i = Inventory(loader=self.loader, variable_manager=self.variable_manager, host_list=[])
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self.__gen_group()
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for g in self.groups:
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i.add_group(g)
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self.variable_manager.set_inventory(i)
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return i
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class PlayBookRunner(object):
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"""用于执行AnsiblePlaybook的接口.简化Playbook对象的使用
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"""
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def __init__(self, inventory, config, palybook_path, playbook_var, become_pass, verbosity=0):
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"""
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:param inventory: myinventory实例
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:param config: Config实例
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:param palybook_path: playbook的路径
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:param playbook_var: 执行Playbook时的变量
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:param become_pass: sudo passsword
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:param verbosity: --verbosity
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"""
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self.options = config
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self.options.verbosity = verbosity
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self.options.connection = 'smart'
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# 设置verbosity级别, 及命令行的--verbose选项
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self.display = Display()
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self.display.verbosity = self.options.verbosity
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playbook_executor.verbosity = self.options.verbosity
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# sudo成其他用户的配置
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self.options.become = True
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self.options.become_method = 'sudo'
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self.options.become_user = 'root'
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passwords = {'become_pass': become_pass}
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# 传入playbook的路径，以及执行需要的变量
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inventory.variable_manager.extra_vars = playbook_var
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pb_dir = os.path.dirname(__file__)
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playbook = "%s/%s" % (pb_dir, palybook_path)
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# 初始化playbook的executor
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self.pbex = playbook_executor.PlaybookExecutor(
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playbooks=[playbook],
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inventory=inventory,
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variable_manager=inventory.variable_manager,
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loader=inventory.loader,
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options=self.options,
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passwords=passwords)
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def run(self):
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"""执行Playbook, 记录执行日志, 处理执行结果.
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:return: <AnsibleResult>对象
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"""
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self.pbex.run()
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stats = self.pbex._tqm._stats
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# 测试执行是否成功
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run_success = True
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hosts = sorted(stats.processed.keys())
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for h in hosts:
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t = stats.summarize(h)
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if t['unreachable'] > 0 or t['failures'] > 0:
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run_success = False
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# TODO: 记录执行日志, 处理执行结果.
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return stats
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class ADHocRunner(object):
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"""ADHoc接口
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"""
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def __init__(self, inventory, config, become_pass=None, verbosity=0):
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"""
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:param inventory: myinventory实例
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:param config: Config实例
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:param play_data:
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play_data = dict(
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name="Ansible Ad-Hoc",
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hosts=pattern,
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gather_facts=True,
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tasks=[dict(action=dict(module='service', args={'name': 'vsftpd', 'state': 'restarted'}), async=async, poll=poll)]
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)
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"""
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self.options = config
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self.options.verbosity = verbosity
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self.options.connection = 'smart'
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# 设置verbosity级别, 及命令行的--verbose选项
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self.display = Display()
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self.display.verbosity = self.options.verbosity
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playbook_executor.verbosity = self.options.verbosity
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# sudo成其他用户的配置
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self.options.become = True
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self.options.become_method = 'sudo'
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self.options.become_user = 'root'
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self.passwords = {'become_pass': become_pass}
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# 初始化callback插件
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# self.results_callback = ResultCallback()
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# 初始化Play
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play_source = {
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"name": "Ansible Play",
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"hosts": "*",
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"gather_facts": "no",
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"tasks": [
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dict(action=dict(module='shell', args='id'), register='shell_out'),
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dict(action=dict(module='debug', args=dict(msg='{{shell_out.stdout}}')))
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]
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}
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self.play = Play().load(play_source, variable_manager=inventory.variable_manager, loader=inventory.loader)
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self.inventory = inventory
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def run(self):
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"""执行ADHoc 记录日志， 处理结果
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"""
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tqm = None
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# TODO:日志和结果分析
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try:
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tqm = TaskQueueManager(
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inventory=self.inventory.inventory,
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variable_manager=self.inventory.variable_manager,
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loader=self.inventory.loader,
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stdout_callback=default_config.DEFAULT_STDOUT_CALLBACK,
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options=self.options,
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passwords=self.passwords
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)
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result = tqm.run(self.play)
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return result
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finally:
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if tqm:
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tqm.cleanup()
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if __name__ == "__main__":
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conf = Config()
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assets = [{
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"name": "localhost",
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"ip": "localhost",
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"port": "22",
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"username": "yumaojun",
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"password": "xxx",
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"key": "asset_private_key",
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}]
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inv = MyInventory(*assets)
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print inv.inventory.get_group('default').get_hosts()
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hoc = ADHocRunner(inv, conf, 'xxx')
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hoc.run()
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