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Commit 13f34a8b authored by Administrator's avatar Administrator
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ops: [future]完成ansible2.0 API 的基本封装.

parent 73f5891f
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Showing with 144 additions and 86 deletions
apps/ops/ansible_api.py
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......@@ -80,56 +80,34 @@ class Config(object):
default_config.HOST_KEY_CHECKING = False
class MyInventory(object):
"""Ansible Inventory对象的封装, Inventory是Ansbile中的核心概念(资产清单),
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.
class InventoryMixin(object):
"""提供生成Ansible inventory对象的方法
"""
def __init__(self, *assets, **group):
"""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
args:
[{
"name": "asset_name",
"ip": "asset_ip",
"port": "asset_port",
"username": "asset_user",
"password": "asset_pass",
"key": "asset_private_key",
"group": "asset_group_name",
...
}]
kwargs:
"groupName1": {"group_variable1": "value1",...}
"groupName2": {"group_variable1": "value1",...}
"""
self.assets = assets
self.assets_group = group
self.loader = DataLoader()
self.variable_manager = VariableManager()
self.groups = []
self.inventory = self.gen_inventory()
def gen_inventory(self):
"""用于生成动态构建Ansible Inventory.
def __gen_group(self):
"""初始化Ansible Group, 将资产添加到Inventory里面
:return: None
:return: 返回一个Ansible的inventory对象
"""
# TODO: 验证输入
# 创建Ansible Group.
for asset in self.assets:
for asset in self.hosts:
g_name = asset.get('group', 'default')
if g_name not in [g.name for g in self.groups]:
group = Group(name=asset.get('group', 'default'))
self.groups.append(group)
# 初始化组变量
for group_name, variables in self.assets_group.iteritems():
for group_name, variables in self.group_vars.iteritems():
for g in self.groups:
if g.name == group_name:
for v_name, v_value in variables:
g.set_variable(v_name, v_value)
# 往组里面添加Host
for asset in self.assets:
for asset in self.hosts:
host = Host(name=asset['name'], port=asset['port'])
host.set_variable('ansible_ssh_host', asset['ip'])
host.set_variable('ansible_ssh_port', asset['port'])
......@@ -147,36 +125,103 @@ class MyInventory(object):
if g.name == asset.get('group', 'default'):
g.add_host(host)
def validate(self):
pass
def gen_inventory(self):
self.validate()
i = Inventory(loader=self.loader, variable_manager=self.variable_manager, host_list=[])
self.__gen_group()
# 生成Ansible inventory对象
inventory = Inventory(loader=self.loader, variable_manager=self.variable_manager, host_list=[])
for g in self.groups:
i.add_group(g)
self.variable_manager.set_inventory(i)
return i
inventory.add_group(g)
self.variable_manager.set_inventory(inventory)
return inventory
class PlayBookRunner(object):
"""用于执行AnsiblePlaybook的接口.简化Playbook对象的使用
class CallbackModule(CallbackBase):
"""处理和分析Ansible运行结果,并保存数据.
"""
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'stdout'
CALLBACK_NAME = 'json'
def __init__(self, display=None):
super(CallbackModule, self).__init__(display)
self.results = []
def _new_play(self, play):
return {
'play': {
'name': play.name,
'id': str(play._uuid)
},
'tasks': []
}
def _new_task(self, task):
return {
'task': {
'name': task.name,
'id': str(task._uuid)
},
'hosts': {}
}
def v2_playbook_on_play_start(self, play):
self.results.append(self._new_play(play))
def v2_playbook_on_task_start(self, task, is_conditional):
self.results[-1]['tasks'].append(self._new_task(task))
def v2_runner_on_ok(self, result, **kwargs):
host = result._host
self.results[-1]['tasks'][-1]['hosts'][host.name] = result._result
def v2_playbook_on_stats(self, stats):
"""Display info about playbook statistics"""
hosts = sorted(stats.processed.keys())
def __init__(self, inventory, config, palybook_path, playbook_var, become_pass, verbosity=0):
summary = {}
for h in hosts:
s = stats.summarize(h)
summary[h] = s
output = {
'plays': self.results,
'stats': summary
}
print(json.dumps(output, indent=4, sort_keys=True))
v2_runner_on_failed = v2_runner_on_ok
v2_runner_on_unreachable = v2_runner_on_ok
v2_runner_on_skipped = v2_runner_on_ok
class PlayBookRunner(InventoryMixin):
"""用于执行AnsiblePlaybook的接口.简化Playbook对象的使用.
"""
:param inventory: myinventory实例
def __init__(self, config, palybook_path, playbook_var, become_pass, *hosts, **group_vars):
"""
:param config: Config实例
:param palybook_path: playbook的路径
:param playbook_var: 执行Playbook时的变量
:param become_pass: sudo passsword
:param verbosity: --verbosity
:param hosts: 可变位置参数, 为一个资产列表, 每一个资产用dict表示, 以下是这个dict必须包含的key
[{
"name": "asset_name",
"ip": "asset_ip",
"port": "asset_port",
"username": "asset_user",
"password": "asset_pass",
"key": "asset_private_key",
"group": "asset_group_name",
...
}]
:param group_vars: 可变关键字参数, 是资产组变量, 记录对应的资产组变量
"groupName1": {"group_variable1": "value1",...}
"groupName2": {"group_variable1": "value1",...}
"""
self.options = config
self.options.verbosity = verbosity
self.options.connection = 'smart'
# 设置verbosity级别, 及命令行的--verbose选项
self.display = Display()
......@@ -190,16 +235,24 @@ class PlayBookRunner(object):
passwords = {'become_pass': become_pass}
# 传入playbook的路径，以及执行需要的变量
inventory.variable_manager.extra_vars = playbook_var
pb_dir = os.path.dirname(__file__)
playbook = "%s/%s" % (pb_dir, palybook_path)
# 生成Ansible inventory, 这些变量Mixin都会用到
self.hosts = hosts
self.group_vars = group_vars
self.loader = DataLoader()
self.variable_manager = VariableManager()
self.groups = []
self.variable_manager.extra_vars = playbook_var
self.inventory = self.gen_inventory()
# 初始化playbook的executor
self.pbex = playbook_executor.PlaybookExecutor(
playbooks=[playbook],
inventory=inventory,
variable_manager=inventory.variable_manager,
loader=inventory.loader,
inventory=self.inventory,
variable_manager=self.variable_manager,
loader=self.loader,
options=self.options,
passwords=passwords)
......@@ -223,13 +276,15 @@ class PlayBookRunner(object):
return stats
class ADHocRunner(object):
class ADHocRunner(InventoryMixin):
"""ADHoc接口
"""
def __init__(self, inventory, config, become_pass=None, verbosity=0):
def __init__(self, config, play_data, become_pass=None, *hosts, **group_vars):
"""
:param inventory: myinventory实例
:param hosts: 见PlaybookRunner参数
:param group_vars: 见PlaybookRunner参数
:param config: Config实例
:param play_data:
play_data = dict(
name="Ansible Ad-Hoc",
......@@ -240,8 +295,6 @@ class ADHocRunner(object):
"""
self.options = config
self.options.verbosity = verbosity
self.options.connection = 'smart'
# 设置verbosity级别, 及命令行的--verbose选项
self.display = Display()
......@@ -254,22 +307,18 @@ class ADHocRunner(object):
self.options.become_user = 'root'
self.passwords = {'become_pass': become_pass}
# 初始化callback插件
# self.results_callback = ResultCallback()
# 生成Ansible inventory, 这些变量Mixin都会用到
self.hosts = hosts
self.group_vars = group_vars
self.loader = DataLoader()
self.variable_manager = VariableManager()
self.groups = []
self.inventory = self.gen_inventory()
# 初始化Play
play_source = {
"name": "Ansible Play",
"hosts": "*",
"gather_facts": "no",
"tasks": [
dict(action=dict(module='shell', args='id'), register='shell_out'),
dict(action=dict(module='debug', args=dict(msg='{{shell_out.stdout}}')))
]
}
# 初始化callback插件
self.results_callback = CallbackModule()
self.play = Play().load(play_source, variable_manager=inventory.variable_manager, loader=inventory.loader)
self.inventory = inventory
self.play = Play().load(play_data, variable_manager=self.variable_manager, loader=self.loader)
def run(self):
"""执行ADHoc 记录日志，　处理结果
......@@ -278,16 +327,16 @@ class ADHocRunner(object):
# TODO:日志和结果分析
try:
tqm = TaskQueueManager(
inventory=self.inventory.inventory,
variable_manager=self.inventory.variable_manager,
loader=self.inventory.loader,
stdout_callback=default_config.DEFAULT_STDOUT_CALLBACK,
inventory=self.inventory,
variable_manager=self.variable_manager,
loader=self.loader,
stdout_callback=self.results_callback,
options=self.options,
passwords=self.passwords
)
result = tqm.run(self.play)
return result
ext_code = tqm.run(self.play)
result = json.dumps(self.results_callback.results)
return ext_code, result
finally:
if tqm:
tqm.cleanup()
......@@ -300,11 +349,19 @@ if __name__ == "__main__":
"ip": "localhost",
"port": "22",
"username": "yumaojun",
"password": "xxx",
"password": "yusky0902",
"key": "asset_private_key",
}]
inv = MyInventory(*assets)
print inv.inventory.get_group('default').get_hosts()
hoc = ADHocRunner(inv, conf, 'xxx')
hoc.run()
# 初始化Play
play_source = {
"name": "Ansible Play",
"hosts": "*",
"gather_facts": "no",
"tasks": [
dict(action=dict(module='setup')),
]
}
hoc = ADHocRunner(conf, play_source,'yusky0902', *assets)
ext_code, result = hoc.run()
print ext_code
print result
\ No newline at end of file
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