Package Products :: Package ZenEvents :: Package browser :: Module EventConsole |
[hide private]
[frames] | no frames]

# Source Code for Module Products.ZenEvents.browser.EventConsole

      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  import urllib
     15  from Products.Five.browser import BrowserView
     16  from Products.ZenUtils.json import json
     17  from Products.ZenUtils.Utils import unused, formreq
     18
     19
     20 -class EventConsole(BrowserView):
     21      """
     22      A view for Devices, CustomEventViews and EventViews that provides JSON data
     23      to populate the event console widget.
     24      """
     25 -    def __call__(self, **kwargs):
     26          return self._getEventsData(**kwargs)
     27
     28      @json
     29      @formreq
     30 -    def _getEventsData(self, offset=0, count=50, getTotalCount=True,
     31                         startdate=None, enddate=None, filter='', severity=2,
     32                         state=1, orderby='', **kwargs):
     33          """
     34          Data that populates the event console.
     35
     36          @return: A JSON representation of a tuple containing a list of lists of
     37          event info, and the total number of matching events
     38          @rtype: "([[a, b, c], [a, b, c]], 17)"
     39          """
     40          unused(kwargs)
     41
     42          context = self.context
     43          zem = self._getEventManager()
     44
     45          if hasattr(context, 'getResultFields'):
     46              fields = context.getResultFields()
     47          else:
     48              # Use default result fields
     49              if hasattr(context, 'event_key'):
     50                  base = context
     51              else:
     52                  base = zem.dmd.Events
     53              fields = zem.lookupManagedEntityResultFields(base.event_key)
     54
     55          data, totalCount = zem.getEventListME(context,
     56              offset=offset, rows=count, resultFields=fields,
     57              getTotalCount=getTotalCount, filter=filter, severity=severity,
     58              state=state, orderby=orderby, startdate=startdate, enddate=enddate)
     59
     60          results = [self._extract_data_from_zevent(ev, fields) for ev in data]
     61          return (results, totalCount)
     62
     63 -    def _getEventManager(self):
     64          return self.context.dmd.ZenEventManager
     65
     66 -    def _extract_data_from_zevent(self, zevent, fields):
     67          """return a list of data elements that map to the fields parameter.
     68          """
     69          def _sanitize(val):
     70              return val.replace('<', '&lt;').replace('>','&gt;')
     71
     72          from Products.ZenModel.Device import Device
     73          contextIsDevice = isinstance( self.context, Device )
     74          #import pdb;pdb.set_trace()
     75          data = []
     76          for field in fields:
     77              value = getattr(zevent, field)
     78              _shortvalue = str(value) or ''
     79              if field == "device":
     80                  dev = self.context.dmd.searchDevices( value )
     81                  if len(dev) == 1:
     82                      devUrl = '%s/viewEvents' % dev[0].getPrimaryUrlPath()
     83                      value = dev[0].urlLink(url=devUrl)
     84                  else:
     85                      value = urllib.quote('<a class="%s"' % ('') +
     86                              ' href="/zport/dmd/deviceSearchResults'
     87                              '?query=%s">%s</a>' % (value, _shortvalue))
     88              elif field == 'eventClass':
     89                  _shortvalue = _shortvalue.replace('/','/&shy;')
     90                  if not zevent.eventPermission:
     91                      value = _shortvalue
     92                  else:
     93                      value = urllib.quote('<a class="%s" ' % ('') +
     94                        'href="/zport/dmd/Events%s">%s</a>' % (value,_shortvalue))
     95              elif field == 'component' and ( getattr(zevent, 'device', None) or
     96                                              contextIsDevice ):
     97                  #import pdb;pdb.set_trace()
     98                  component = getattr(zevent, 'component')
     99                  if contextIsDevice:
    100                      device = self.context.id
    101                  else:
    102                      device = getattr(zevent,'device')
    103
    104                  comp = self.context.dmd.searchComponents( device, component )
    105                  if len(comp) == 1:
    106                      compUrl = '%s/viewEvents' % comp[0].getPrimaryUrlPath()
    107                      value = comp[0].urlLink(url=compUrl)
    108                  else:
    109                      value = urllib.quote('<a class="%s"' % ('') +
    110                              ' href="/zport/dmd/searchComponents'
    111                              '?device=%s&component=%s">%s</a>' % (
    112                                  device, value, _shortvalue))
    113              elif field == 'summary':
    114                  value = urllib.quote(
    115                      value.replace('<','&lt;').replace('>','&gt;'))
    116              elif field == 'prodState':
    117                  value = self.context.dmd.convertProdState(value)
    118              else:
    119                  value = _shortvalue
    120              data.append(value)
    121          data.append(zevent.evid)
    122          data.append(zevent.getCssClass())
    123          return data
    124
    125
    126 -class EventConsoleFields(BrowserView):
    127      """
    128      Get the fields for the event console. This is a separate call so that the
    129      header DOM elements can be created first.
    130
    131      FIXME: Make the event console a single call.
    132      """
    133 -    def __call__(self):
    134          return self._getFields()
    135
    136      @json
    137 -    def _getFields(self):
    138          """
    139          @return: A list of tuples representing fields and their relative
    140          lengths
    141          @rtype: [('field1', 10), ('field2', 4), ...]
    142          """
    143          context = self.context
    144          zem = self._getEventManager()
    145          if hasattr(context, 'getResultFields'):
    146              fields = context.getResultFields()
    147          else:
    148              if hasattr(context, 'event_key'): base = context
    149              else: base = zem.dmd.Events
    150              fields = zem.lookupManagedEntityResultFields(base.event_key)
    151          lens = map(zem.getAvgFieldLength, fields)
    152          total = sum(lens)
    153          lens = map(lambda x:x/total*100, lens)
    154          zipped = zip(fields, lens)
    155          return zipped
    156
    157 -    def _getEventManager(self):
    158          return self.context.dmd.ZenEventManager
    159
    160
    161 -class HistoryConsole(EventConsole):
    162      """
    163      Same as the event console, only it accesses the history table.
    164      """
    165 -    def _getEventManager(self):
    166          return self.context.dmd.ZenEventHistory
    167
    168
    169 -class HistoryConsoleFields(EventConsoleFields):
    170      """
    171      Same as the event console fields, only for history.
    172
    173      FIXME: Is this used anywhere?
    174      """
    175 -    def _getEventManager(self):
    176          return self.context.dmd.ZenEventHistory
    177