]>
git.ipfire.org Git - oddments/collecty.git/blob - src/collecty/plugins/entropy.py
2 ###############################################################################
4 # collecty - A system statistics collection daemon for IPFire #
5 # Copyright (C) 2012 IPFire development team #
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. #
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. #
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/>. #
20 ###############################################################################
28 ENTROPY_FILE
= "/proc/sys/kernel/random/entropy_avail"
30 class GraphTemplateEntropy(base
.GraphTemplate
):
34 "DEF:entropy=%(file)s:entropy:AVERAGE",
35 "CDEF:entropytrend=entropy,43200,TREND",
37 "LINE3:entropy#ff0000:%-15s" % _("Available entropy"),
38 "VDEF:entrmin=entropy,MINIMUM",
39 "VDEF:entrmax=entropy,MAXIMUM",
40 "VDEF:entravg=entropy,AVERAGE",
41 "GPRINT:entrmax:%12s\:" % _("Maximum") + " %5.0lf",
42 "GPRINT:entrmin:%12s\:" % _("Minimum") + " %5.0lf",
43 "GPRINT:entravg:%12s\:" % _("Average") + " %5.0lf\\n",
45 "LINE3:entropytrend#000000",
49 "--title", _("Available entropy"),
50 "--vertical-label", _("Bits"),
52 "--lower-limit", "0", "--rigid",
56 class EntropyObject(base
.Object
):
58 "DS:entropy:GAUGE:0:U",
66 with
open(ENTROPY_FILE
) as f
:
67 return f
.readline().strip()
70 class EntropyPlugin(base
.Plugin
):
72 description
= "Entropy Plugin"
74 templates
= [GraphTemplateEntropy
]
78 if not os
.path
.exists(ENTROPY_FILE
):
79 self
.log
.debug(_("Entropy kernel interface does not exist"))
82 return [EntropyObject(self
)]