src/collecty/plugins/loadavg.py

   1 #!/usr/bin/python3
   2 ###############################################################################
   3 #                                                                             #
   4 # collecty - A system statistics collection daemon for IPFire                 #
   5 # Copyright (C) 2012 IPFire development team                                  #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 import os
  23
  24 from . import base
  25
  26 from ..colours import *
  27 from ..i18n import _
  28
  29 class GraphTemplateLoadAvg(base.GraphTemplate):
  30         name = "loadavg"
  31
  32         @property
  33         def rrd_graph(self):
  34                 _ = self.locale.translate
  35
  36                 rrd_graph = []
  37
  38                 for id, colour, when in zip(self.object.rrd_schema_names,
  39                                 LOAD_AVG_COLOURS, ("1m", "5m", "15m")):
  40                         rrd_graph = [
  41                                 "LINE2:%s%s:%-24s" % (id, colour, _("Load Average %s") % when),
  42                                 "GPRINT:%s_max:%12s\: %%6.2lf" % (id, _("Maximum")),
  43                                 "GPRINT:%s_min:%12s\: %%6.2lf" % (id, _("Minimum")),
  44                                 "GPRINT:%s_avg:%12s\: %%6.2lf\l" % (id, _("Average")),
  45                         ] + rrd_graph
  46
  47                 return rrd_graph
  48
  49         lower_limit = 0
  50
  51         @property
  52         def graph_title(self):
  53                 _ = self.locale.translate
  54                 return _("Load Average")
  55
  56         @property
  57         def graph_vertical_label(self):
  58                 _ = self.locale.translate
  59                 return _("Load")
  60
  61         @property
  62         def rrd_graph_args(self):
  63                 return [
  64                         "--legend-direction=bottomup",
  65                 ]
  66
  67
  68 class LoadAvgObject(base.Object):
  69         rrd_schema = [
  70                 "DS:load1:GAUGE:0:U",
  71                 "DS:load5:GAUGE:0:U",
  72                 "DS:load15:GAUGE:0:U",
  73         ]
  74
  75         @property
  76         def id(self):
  77                 return "default"
  78
  79         def collect(self):
  80                 return os.getloadavg()
  81
  82
  83 class LoadAvgPlugin(base.Plugin):
  84         name = "loadavg"
  85         description = "Load Average Plugin"
  86
  87         templates = [GraphTemplateLoadAvg]
  88
  89         @property
  90         def objects(self):
  91                 return [LoadAvgObject(self)]