Package Products :: Package ZenModel :: Module RRDThreshold |
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# Source Code for Module Products.ZenModel.RRDThreshold

      1  ###########################################################################
      2  #
      3  # This program is part of Zenoss Core, an open source monitoring platform.
      4  # Copyright (C) 2007, Zenoss Inc.
      5  #
      6  # This program is free software; you can redistribute it and/or modify it
      7  # under the terms of the GNU General Public License version 2 as published by
      8  # the Free Software Foundation.
      9  #
     10  # For complete information please visit: http://www.zenoss.com/oss/
     11  #
     12  ###########################################################################
     13
     14  from Globals import DTMLFile
     15  from Globals import InitializeClass
     16  from AccessControl import ClassSecurityInfo, Permissions
     17
     18  from ZenModelRM import ZenModelRM
     19  from ZenPackable import ZenPackable
     20
     21  from Products.ZenRelations.RelSchema import *
     22  from Products.ZenUtils.ZenTales import talesEval
     23  from Products.ZenEvents.ZenEventClasses import Perf_Snmp
     24  from Products.ZenModel.MinMaxThreshold import rpneval
     25
     26
     27 -def manage_addRRDThreshold(context, id, REQUEST = None):
     28      """make a RRDThreshold"""
     29      tt = RRDThreshold(id)
     30      context._setObject(tt.id, tt)
     31      if REQUEST is not None:
     32          REQUEST['RESPONSE'].redirect(context.absolute_url()+'/manage_main')
     33
     34  addRRDThreshold = DTMLFile('dtml/addRRDThreshold',globals())
     35
     36 -class RRDThreshold(ZenModelRM, ZenPackable):
     37
     38      meta_type = 'RRDThreshold'
     39
     40      security = ClassSecurityInfo()
     41
     42      dsnames = []
     43      minval = ""
     44      maxval = ""
     45      eventClass = Perf_Snmp
     46      severity = 3
     47      escalateCount = 0
     48      enabled = True
     49
     50      _properties = (
     51                   {'id':'dsnames', 'type':'lines', 'mode':'w'},
     52                   {'id':'minval', 'type':'string', 'mode':'w'},
     53                   {'id':'maxval', 'type':'string', 'mode':'w'},
     54                   {'id':'eventClass', 'type':'string', 'mode':'w'},
     55                   {'id':'severity', 'type':'int', 'mode':'w'},
     56                   {'id':'escalateCount', 'type':'int', 'mode':'w'},
     57                   {'id':'enabled', 'type':'boolean', 'mode':'w'},
     58                  )
     59
     60  #    _relations =  ZenPackable._relations + (
     61  #        ("rrdTemplate", ToOne(ToManyCont,"Products.ZenModel.RRDTemplate", "thresholds")),
     62  #        )
     63
     64
     65      factory_type_information = (
     66      {
     67          'immediate_view' : 'editRRDThreshold',
     68          'actions'        :
     69          (
     70              { 'id'            : 'edit'
     71              , 'name'          : 'RRD Threshold'
     72              , 'action'        : 'editRRDThreshold'
     73              , 'permissions'   : ( Permissions.view, )
     74              },
     75          )
     76      },
     77      )
     78
     79 -    def breadCrumbs(self, terminator='dmd'):
     80          """Return the breadcrumb links for this object add ActionRules list.
     81          [('url','id'), ...]
     82          """
     83          from RRDTemplate import crumbspath
     84          crumbs = super(RRDThreshold, self).breadCrumbs(terminator)
     85          return crumbspath(self.rrdTemplate(), crumbs, -2)
     86
     87
     88 -    def getConfig(self, context):
     89          """Return the config used by the collector to process simple min/max
     90          thresholds. (id, minval, maxval, severity, escalateCount)
     91          """
     92          return (self.id,self.getMinval(context),self.getMaxval(context),
     93                  self.eventClass, self.severity,self.escalateCount)
     94
     95
     96 -    def getMinval(self, context):
     97          """Build the min value for this threshold.
     98          """
     99          minval = None
    100          if self.minval:
    101              minval = talesEval("python:"+self.minval, context)
    102          return minval
    103
    104
    105 -    def getMaxval(self, context):
    106          """Build the max value for this threshold.
    107          """
    108          maxval = None
    109          if self.maxval:
    110              maxval = talesEval("python:"+self.maxval, context)
    111          return maxval
    112
    113
    114 -    def getGraphMinval(self, context):
    115          return self.getGraphValue(context, self.getMinval)
    116
    117
    118 -    def getGraphMaxval(self, context):
    119          return self.getGraphValue(context, self.getMaxval)
    120
    121
    122 -    def getGraphValue(self, context, getfunc):
    123          """when graphing use this so that rpn conversions are accounted for"""
    124          val = getfunc(context)
    125          if val is None or len(self.dsnames) == 0: return
    126          dp = self.getRRDDataPoint(self.dsnames[0])
    127          if dp and dp.rpn:
    128              #When VDEF does full rpn
    129              #val = "%s,%s" % (val, dp.rpn)
    130              val = rpneval(val, dp.rpn)
    131          return val
    132
    133
    134 -    def getMinLabel(self, context):
    135          """build a label for a min threshold"""
    136          return "%s < %s" % (self.id,self.setPower(self.getGraphMinval(context)))
    137
    138
    139 -    def getMaxLabel(self, context):
    140          """build a label for a max threshold"""
    141          return "%s > %s" % (self.id,self.setPower(self.getGraphMaxval(context)))
    142
    143
    144 -    def setPower(self, number):
    145          powers = ("k", "M", "G")
    146          if number < 1000: return number
    147          for power in powers:
    148              number = number / 1000
    149              if number < 1000:
    150                  return "%0.2f%s" % (number, power)
    151          return "%.2f%s" % (number, powers[-1])
    152
    153
    154 -    def getSeverityString(self):
    155          return self.ZenEventManager.getSeverityString(self.severity)
    156
    157
    158  InitializeClass(RRDThreshold)
    159