119 lines
3.4 KiB
Python
119 lines
3.4 KiB
Python
# (c) 2017, Tennis Smith, https://github.com/gamename
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# (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = '''
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name: profile_roles
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type: aggregate
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short_description: adds timing information to roles
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description:
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- This callback module provides profiling for ansible roles.
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requirements:
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- whitelisting in configuration
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'''
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import collections
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import time
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from ansible.plugins.callback import CallbackBase
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from ansible.module_utils.six.moves import reduce
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# define start time
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t0 = tn = time.time()
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def secondsToStr(t):
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# http://bytes.com/topic/python/answers/635958-handy-short-cut-formatting-elapsed-time-floating-point-seconds
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def rediv(ll, b):
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return list(divmod(ll[0], b)) + ll[1:]
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return "%d:%02d:%02d.%03d" % tuple(
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reduce(rediv, [[t * 1000, ], 1000, 60, 60]))
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def filled(msg, fchar="*"):
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if len(msg) == 0:
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width = 79
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else:
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msg = "%s " % msg
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width = 79 - len(msg)
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if width < 3:
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width = 3
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filler = fchar * width
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return "%s%s " % (msg, filler)
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def timestamp(self):
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if self.current is not None:
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self.stats[self.current] = time.time() - self.stats[self.current]
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self.totals[self.current] += self.stats[self.current]
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def tasktime():
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global tn
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time_current = time.strftime('%A %d %B %Y %H:%M:%S %z')
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time_elapsed = secondsToStr(time.time() - tn)
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time_total_elapsed = secondsToStr(time.time() - t0)
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tn = time.time()
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return filled('%s (%s)%s%s' %
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(time_current, time_elapsed, ' ' * 7, time_total_elapsed))
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class CallbackModule(CallbackBase):
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"""
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This callback module provides profiling for ansible roles.
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"""
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CALLBACK_VERSION = 2.0
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CALLBACK_TYPE = 'aggregate'
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CALLBACK_NAME = 'ansible.posix.profile_roles'
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CALLBACK_NEEDS_WHITELIST = True
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def __init__(self):
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self.stats = collections.Counter()
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self.totals = collections.Counter()
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self.current = None
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super(CallbackModule, self).__init__()
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def _record_task(self, task):
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"""
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Logs the start of each task
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"""
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self._display.display(tasktime())
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timestamp(self)
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if task._role:
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self.current = task._role._role_name
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else:
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self.current = task.action
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self.stats[self.current] = time.time()
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def v2_playbook_on_task_start(self, task, is_conditional):
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self._record_task(task)
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def v2_playbook_on_handler_task_start(self, task):
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self._record_task(task)
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def playbook_on_setup(self):
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self._display.display(tasktime())
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def playbook_on_stats(self, stats):
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self._display.display(tasktime())
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self._display.display(filled("", fchar="="))
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timestamp(self)
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total_time = sum(self.totals.values())
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# Print the timings starting with the largest one
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for result in self.totals.most_common():
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msg = u"{0:-<70}{1:->9}".format(result[0] + u' ', u' {0:.02f}s'.format(result[1]))
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self._display.display(msg)
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msg_total = u"{0:-<70}{1:->9}".format(u'total ', u' {0:.02f}s'.format(total_time))
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self._display.display(filled("", fchar="~"))
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self._display.display(msg_total)
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