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# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible 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.
#
# Ansible 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.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from collections.abc import MutableMapping
from ansible.utils.vars import merge_hash
class AggregateStats:
""" holds stats about per-host activity during playbook runs """
def __init__(self):
self.processed = {}
self.failures = {}
self.ok = {}
self.dark = {}
self.changed = {}
self.skipped = {}
self.rescued = {}
self.ignored = {}
# user defined stats, which can be per host or global
self.custom = {}
def increment(self, what, host):
""" helper function to bump a statistic """
self.processed[host] = 1
prev = (getattr(self, what)).get(host, 0)
getattr(self, what)[host] = prev + 1
def decrement(self, what, host):
_what = getattr(self, what)
try:
if _what[host] - 1 < 0:
# This should never happen, but let's be safe
raise KeyError("Don't be so negative")
_what[host] -= 1
except KeyError:
_what[host] = 0
def summarize(self, host):
""" return information about a particular host """
return dict(
ok=self.ok.get(host, 0),
failures=self.failures.get(host, 0),
unreachable=self.dark.get(host, 0),
changed=self.changed.get(host, 0),
skipped=self.skipped.get(host, 0),
rescued=self.rescued.get(host, 0),
ignored=self.ignored.get(host, 0),
)
def set_custom_stats(self, which, what, host=None):
""" allow setting of a custom stat"""
if host is None:
host = '_run'
if host not in self.custom:
self.custom[host] = {which: what}
else:
self.custom[host][which] = what
def update_custom_stats(self, which, what, host=None):
""" allow aggregation of a custom stat"""
if host is None:
host = '_run'
if host not in self.custom or which not in self.custom[host]:
return self.set_custom_stats(which, what, host)
# mismatching types
if not isinstance(what, type(self.custom[host][which])):
return None
if isinstance(what, MutableMapping):
self.custom[host][which] = merge_hash(self.custom[host][which], what)
else:
# let overloaded + take care of other types
self.custom[host][which] += what
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