ansible执行playbook时间显示的python脚本

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import datetime import os import time from ansible.plugins.callback import CallbackBase     class CallbackModule(CallbackBase):     """     A plugin for timing tasks     """     def __init__(self):         super(CallbackModule, self).__init__()         self.stats = {}         self.current = None       def playbook_on_task_start(self, name, is_conditional):         """         Logs the start of each task         """           if os.getenv("ANSIBLE_PROFILE_DISABLE") is not None:             return           if self.current is not None:             # Record the running time of the last executed task             self.stats[self.current] = time.time() - self.stats[self.current]           # Record the start time of the current task         self.current = name         self.stats[self.current] = time.time()       def playbook_on_stats(self, stats):         """         Prints the timings         """           if os.getenv("ANSIBLE_PROFILE_DISABLE") is not None:             return           # Record the timing of the very last task         if self.current is not None:             self.stats[self.current] = time.time() - self.stats[self.current]           # Sort the tasks by their running time         results = sorted(             self.stats.items(),             key=lambda value: value[1],             reverse=True,         )           # Just keep the top 10         results = results[:10]           # Print the timings         for name, elapsed in results:             print(                 "{0:-<70}{1:->9}".format(                     '{0} '.format(name),                     ' {0:.02f}s'.format(elapsed),                 )             )           total_seconds = sum([x[1] for x in self.stats.items()])         print("\nPlaybook finished: {0}, {1} total tasks.  {2} elapsed. \n".format(                 time.asctime(),                 len(self.stats.items()),                 datetime.timedelta(seconds=(int(total_seconds)))                 )           )

下面是把这个插件集成到ansible的方法：

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cd /etc/ansible mkdir callback_plugins cd callback_plugins wget https://raw.githubusercontent.com/jlafon/ansible-profile/master/callback_plugins/profile_tasks.py ###友提 ansible2.0以上的版本需要在ansible.cfg中加入 callback_whitelist = profile_tasks

运行结果如下：