src/collecty/plugins/conntrack.py

   1 #!/usr/bin/python3
   2 ###############################################################################
   3 #                                                                             #
   4 # collecty - A system statistics collection daemon for IPFire                 #
   5 # Copyright (C) 2015 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 from . import base
  23
  24 from ..colours import *
  25 from ..constants import *
  26 from ..i18n import _
  27
  28 class ConntrackGraphTemplate(base.GraphTemplate):
  29         name = "conntrack"
  30
  31         lower_limit = 0
  32
  33         @property
  34         def rrd_graph(self):
  35                 return [
  36                         "COMMENT:%s" % EMPTY_LABEL,
  37                         "COMMENT:%s" % (COLUMN % _("Current")),
  38                         "COMMENT:%s" % (COLUMN % _("Average")),
  39                         "COMMENT:%s" % (COLUMN % _("Minimum")),
  40                         "COMMENT:%s\\j" % (COLUMN % _("Maximum")),
  41
  42                         "AREA:count%s:%s" % (
  43                                 transparency(PRIMARY, AREA_OPACITY),
  44                                 LABEL % _("Entries"),
  45                         ),
  46                         "GPRINT:count_cur:%s" % INTEGER,
  47                         "GPRINT:count_avg:%s" % INTEGER,
  48                         "GPRINT:count_min:%s" % INTEGER,
  49                         "GPRINT:count_max:%s" % INTEGER,
  50                         "LINE1:count%s" % PRIMARY,
  51
  52                         # Draw maximum line
  53                         "LINE:max%s:%s:dashes:skipscale" % (
  54                                 COLOUR_CRITICAL, LABEL % _("Maximum"),
  55                         ),
  56                 ]
  57
  58         @property
  59         def graph_title(self):
  60                 return _("Connection Tracking Table")
  61
  62         @property
  63         def graph_vertical_label(self):
  64                 return _("Entries")
  65
  66
  67 class ConntrackObject(base.Object):
  68         rrd_schema = [
  69                 "DS:count:GAUGE:0:U",
  70                 "DS:max:GAUGE:0:U",
  71         ]
  72
  73         @property
  74         def id(self):
  75                 return "default"
  76
  77         def collect(self):
  78                 """
  79                         Read count and max values from /proc
  80                 """
  81                 return (
  82                         self.read_file_integer("/proc/sys/net/netfilter/nf_conntrack_count"),
  83                         self.read_file_integer("/proc/sys/net/netfilter/nf_conntrack_max"),
  84                 )
  85
  86
  87 class ConntrackPlugin(base.Plugin):
  88         name = "conntrack"
  89         description = "Conntrack Plugin"
  90
  91         templates = [
  92                 ConntrackGraphTemplate,
  93         ]
  94
  95         @property
  96         def objects(self):
  97                 yield ConntrackObject(self)