Source code for shinken.misc.perfdata

#!/usr/bin/python

# -*- coding: utf-8 -*-

# Copyright (C) 2009-2014:
#    Gabes Jean, naparuba@gmail.com
#    Gerhard Lausser, Gerhard.Lausser@consol.de
#    Gregory Starck, g.starck@gmail.com
#    Hartmut Goebel, h.goebel@goebel-consult.de
#
# This file is part of Shinken.
#
# Shinken is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Shinken 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Shinken.  If not, see <http://www.gnu.org/licenses/>.

import re
from shinken.util import to_best_int_float

perfdata_split_pattern = re.compile('([^=]+=\S+)')
# TODO: Improve this regex to not match strings like this:
# 'metric=45+e-456.56unit;50;80;0;45+-e45e-'
metric_pattern = \
    re.compile(
        '^([^=]+)=([\d\.\-\+eE]+)([\w\/%]*)'
        ';?([\d\.\-\+eE:~@]+)?;?([\d\.\-\+eE:~@]+)?;?([\d\.\-\+eE]+)?;?([\d\.\-\+eE]+)?;?\s*'
    )


# If we can return an int or a float, or None
# if we can't
[docs]def guess_int_or_float(val): try: return to_best_int_float(val) except Exception, exp: return None # Class for one metric of a perf_data
[docs]class Metric: def __init__(self, s): self.name = self.value = self.uom = \ self.warning = self.critical = self.min = self.max = None s = s.strip() # print "Analysis string", s r = metric_pattern.match(s) if r: # Get the name but remove all ' in it self.name = r.group(1).replace("'", "") self.value = guess_int_or_float(r.group(2)) self.uom = r.group(3) self.warning = guess_int_or_float(r.group(4)) self.critical = guess_int_or_float(r.group(5)) self.min = guess_int_or_float(r.group(6)) self.max = guess_int_or_float(r.group(7)) # print 'Name', self.name # print "Value", self.value # print "Res", r # print r.groups() if self.uom == '%': self.min = 0 self.max = 100 def __str__(self): s = "%s=%s%s" % (self.name, self.value, self.uom) if self.warning: s = s + ";%s" % (self.warning) if self.critical: s = s + ";%s" % (self.critical) return s
[docs]class PerfDatas: def __init__(self, s): s = s or '' elts = perfdata_split_pattern.findall(s) elts = [e for e in elts if e != ''] self.metrics = {} for e in elts: m = Metric(e) if m.name is not None: self.metrics[m.name] = m def __iter__(self): return self.metrics.itervalues() def __len__(self): return len(self.metrics) def __getitem__(self, key): return self.metrics[key] def __contains__(self, key): return key in self.metrics
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