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Ansible基于服务树怎样进行分组全量接口调用,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
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品茶:代码是基于我们的服务树结构进行构建,如果需要自己构建相应服务树则可以根据group host inventory进行自行构建。我们中带有中文,所以命令行模式需要2.0才可以调中文,1.9需要改代码。直接调模块不受影响。
ansible2.0更贴近于ansible cli的常用命令执行方式,不同于上一版本只能发送单个命令或playbook;而更推荐用户在调用ansibleAPI的时候,将playbook的每个task拆分出来,获取每个task的结果。能够跟灵活处理在执行批量作业过程中的各种反馈。
将执行操作的队列模型,包含各类环境参数设置,归结到“ansible.executor.task_queue_manager”类中
将执行过程中的各个task的设置,或者说playbook中的编排内容,归结到“ansible.playbook.play”中
from collections import namedtuple #有命元组 from ansible.parsing.dataloader import DataLoader #数据解析 from ansible.vars import VariableManager # 变量管旦 from ansible.inventory import Inventory # 主机配置信息 from ansible.playbook.play import Play # 剧本 from ansible.executor.task_queue_manager import TaskQueueManager # 任务消息队列 from ansible.plugins.callback import CallbackBase #回调
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
# #coding:utf8 import json import sys from ansible.runner import Runner from ansible.inventory.group import Group from ansible.inventory.host import Host from ansible.inventory import Inventory from ansible import playbook from ansible import callbacks from ansible import utils from cmdb import groups class CmdbInventory(object): ''' Get ansible.inventory for cmdb parse tree ''' def __init__(self): self.cmdbs = groups() self.inventory = self.init_inventory() def init_inventory(self, inventory=Inventory(host_list=[])): ''' :param inventory: default param, init cmdb Tree info. :return: ansible.inventory type ''' for name in self.cmdbs: if name == "_meta": # 主机变量,暂不处理 pass g = Group(name=name) # 设置组环境变量 if self.cmdbs[name].get("vars", None): vars = self.cmdbs[name]["vars"] for k,v in vars.iteritems(): g.set_variable(k, v) # 添加主机进主机组 if self.cmdbs[name].get("hosts", None): hosts = self.cmdbs[name]["hosts"] for host in hosts: h = Host(name=host) g.add_host(h) inventory.add_group(g) # 处理子组 for name in self.cmdbs: if self.cmdbs[name].get("children", None): children = self.cmdbs[name]["children"] for child in children: g = inventory.get_group(name) child = inventory.get_group(child) g.add_child_group(child) # 处理主机的环境变量 hostvars = self.cmdbs.get("_meta",{}).get("hostvars", {}) if hostvars: for host in hostvars: inve_host = inventory.get_host(host) for k, v in hostvars[host].iteritems(): inve_host.set_variable(k, v) return inventory class Ansible(object): def __init__(self, transport="paramiko", module_name="ping", module_args="", pattern="", remote_user="", remote_pass="", play_book=False, yml_path=""): ''' Run a ansible task :param transport: paramiko, ssh, smart :param module_name: ansible module name :param module_args: ansible module args :param pattern: ansible pattern :param remote_user: transport user :param remote_pass: transport password :return: ansible task result ''' if not remote_user or not remote_pass: raise ValueError("Ansible class need params remote_user, remote_pass") if play_book: if not yml_path: raise ValueError("playbook need params yml_path") else: if not module_name or not pattern: raise ValueError("Ad-hoc need params module_name, pattern") if transport not in ("paramiko", "ssh", "smart"): raise ValueError("params transport not in paramiko, ssh, smart.") self.transport = transport self.module_name = module_name self.module_args = module_args self.pattern = pattern.decode("utf-8") # 这是因为中文问题 self.remote_user = remote_user self.remote_pass = remote_pass self.play_book = play_book self.yml_path = yml_path # A 通过解析方式(这是一种单独的方式) # ci = CmdbInventory() # inventory = ci.inventory # B 通过脚本方式(这是一种全量的方式,可通过修改文件名) self.inventory = Inventory(host_list="cmdb.py") def task(self): '''Ansible Ad-Hoc''' try: runner = Runner( transport=self.transport, module_name=self.module_name, module_args=self.module_args, pattern=self.pattern, forks=10, inventory=self.inventory, remote_user=self.remote_user, remote_pass=self.remote_pass ) result = runner.run() return True, result except Exception as e: return False, str(e) def playbook(self): stats = callbacks.AggregateStats() playbook_cb = callbacks.PlaybookCallbacks(verbose=utils.VERBOSITY) runner_cb = callbacks.PlaybookRunnerCallbacks(stats=stats, verbose=utils.VERBOSITY) # B 通过脚本方式(这是一种全量的方式,可通过修改文件名) inventory = Inventory(host_list="cmdb.py") pb = playbook.PlayBook( inventory=self.inventory, playbook=self.yml_path, stats=stats, callbacks=playbook_cb, runner_callbacks=runner_cb, check=True, transport=self.transport, remote_user=self.remote_user, remote_pass=self.remote_pass ) result = pb.run() return True, result if __name__ == "__main__": ansible = Ansible(remote_user="", remote_pass="", play_book=True, yml_path="playbooks/ping.yml") # result = ansible.task() result = ansible.playbook() print json.dumps(result, indent=4)
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