因项目需要使用到ansible api,根据修改官方文档提供的使用范例,经过多次测试,现将能用的代码分享给大家,大家只需根据自己的实际环境修改该代码即可。
官方文档:
注意:
在运行此代码的主机需无密码登录目标主机,也就是说您需要下发本机的ssh公钥到目标主机
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | #coding:utf-8 import json from collections import namedtuple from ansible.parsing.dataloader import DataLoader from ansible. vars .manager import VariableManager from ansible.inventory.manager import InventoryManager from ansible.playbook.play import Play from ansible.executor.task_queue_manager import TaskQueueManager from ansible.plugins.callback import CallbackBase class ResultCallback(CallbackBase): def v2_runner_on_ok( self , result, * * kwargs): host = result._host print (json.dumps({host.name: result._result}, indent = 4 )) # 初始化需要的对象 Options = namedtuple( 'Options' , [ 'connection' , 'module_path' , 'forks' , 'become' , 'become_method' , 'become_user' , 'check' , 'diff' ]) # module_path参数指定本地ansible模块包的路径 loader = DataLoader() options = Options(connection = 'smart' , module_path = '/usr/lib/python2.7/dist-packages/ansible/modules' , forks = 5 , become = None , become_method = None , become_user = "root" , check = False , diff = False ) passwords = dict (vault_pass = 'secret' ) # 实例化ResultCallback来处理结果 results_callback = ResultCallback() # 创建库存(inventory)并传递给VariableManager inventory = InventoryManager(loader = loader, sources = [ '../conf/hosts' ]) #../conf/hosts是定义hosts variable_manager = VariableManager(loader = loader, inventory = inventory) # 创建任务 play_source = dict ( name = "Ansible Play" , hosts = "cephnode" , gather_facts = 'no' , tasks = [ dict (action = dict (module = 'shell' , args = 'touch /tmp/7.txt' ), register = 'shell_out' ), #定义一条任务,如有多条任务也应按照这样的方式定义 ] ) play = Play().load(play_source, variable_manager = variable_manager, loader = loader) # 开始执行 tqm = None try : tqm = TaskQueueManager( inventory = inventory, variable_manager = variable_manager, loader = loader, options = options, passwords = passwords, stdout_callback = results_callback, # 使用自定义回调代替“default”回调插件(如不需要stdout_callback参数则按照默认的方式输出) ) result = tqm.run(play) finally : if tqm is not None : tqm.cleanup() |
我的../conf/hosts文件内容如下:
[cephnode]
192.168.89.136注意:
如没有明确指定inventory(如下的参数),那么会默认从/etc/ansible/hosts中读取hosts
1 | sources = [ '../conf/hosts' ] |
补充一下,刚说了定义多条任务的方式,举个例子:
1 2 3 4 | tasks = [ dict (action = dict (module = 'shell' , args = 'mkdir /tmp/toby' ), register = 'shell_out' ), #首先创建目录 dict (action = dict (module = 'copy' , args = 'src=/tmp/abc123.txt dest=/tmp/toby' ), register = 'shell_out' ) #然后将本地的abc123.txt通过copy模块下发到目标主机的/tmp/toby/目录下 ] |