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# (C) 2015, Tom Paine, <github@aioue.net>
# (C) 2014, Jharrod LaFon, @JharrodLaFon
# (C) 2012-2013, Michael DeHaan, <michael.dehaan@gmail.com>
#
# This file is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# File is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# See <http://www.gnu.org/licenses/> for a copy of the
# GNU General Public License
# Provides per-task timing, ongoing playbook elapsed time and
# ordered list of top 20 longest running tasks at end
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import time
from ansible.plugins.callback import CallbackBase
# define start time
t0 = tn = time.time()
def secondsToStr(t):
# http://bytes.com/topic/python/answers/635958-handy-short-cut-formatting-elapsed-time-floating-point-seconds
rediv = lambda ll, b: list(divmod(ll[0], b)) + ll[1:]
return "%d:%02d:%02d.%03d" % tuple(reduce(rediv, [[t * 1000, ], 1000, 60, 60]))
def filled(msg, fchar="*"):
if len(msg) == 0:
width = 79
else:
msg = "%s " % msg
width = 79 - len(msg)
if width < 3:
width = 3
filler = fchar * width
return "%s%s " % (msg, filler)
def timestamp(self):
if self.current is not None:
self.stats[self.current] = time.time() - self.stats[self.current]
def tasktime():
global tn
time_current = time.strftime('%A %d %B %Y %H:%M:%S %z')
time_elapsed = secondsToStr(time.time() - tn)
time_total_elapsed = secondsToStr(time.time() - t0)
tn = time.time()
return filled('%s (%s)%s%s' % (time_current, time_elapsed, ' ' * 7, time_total_elapsed))
class CallbackModule(CallbackBase):
"""
This callback module provides per-task timing, ongoing playbook elapsed time
and ordered list of top 20 longest running tasks at end.
"""
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'aggregate'
CALLBACK_NAME = 'profile_tasks'
def __init__(self, display):
self.stats = {}
self.current = None
super(CallbackModule, self).__init__(display)
def _record_task(self, name):
"""
Logs the start of each task
"""
self._display.display(tasktime())
timestamp(self)
# Record the start time of the current task
self.current = name
self.stats[self.current] = time.time()
def playbook_on_task_start(self, name, is_conditional):
self._record_task(name)
def v2_playbook_on_handler_task_start(self, task):
self._record_task('HANDLER: ' + task.name)
def playbook_on_setup(self):
self._display.display(tasktime())
def playbook_on_stats(self, stats):
self._display.display(tasktime())
self._display.display(filled("", fchar="="))
timestamp(self)
# Sort the tasks by their running time
results = sorted(
self.stats.items(),
key=lambda value: value[1],
reverse=True,
)
# Just keep the top 20
results = results[:20]
# Print the timings
for name, elapsed in results:
self._display.display(
"{0:-<70}{1:->9}".format(
'{0} '.format(name),
' {0:.02f}s'.format(elapsed),
)
)
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