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)))

                )

          )

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