projects / collecty.git / blame
| Commit | Line | Data |
|---|---|---|
| f37913e8 | 1 | #!/usr/bin/python3 |
| 55c28321 MT |
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 | ||
| f37913e8 | 24 | from . import base |
| 55c28321 | 25 | |
| 73db5226 MT |
26 | from ..i18n import _ |
| 27 | ||
| 55c28321 MT |
28 | ENTROPY_FILE = "/proc/sys/kernel/random/entropy_avail" |
| 29 | ||
| b1ea4956 | 30 | class GraphTemplateEntropy(base.GraphTemplate): |
| 55c28321 | 31 | name = "entropy" |
| 55c28321 | 32 | |
| 971ad5c8 MT |
33 | @property |
| 34 | def rrd_graph(self): | |
| 35 | _ = self.locale.translate | |
| 36 | ||
| 37 | return [ | |
| 38 | "DEF:entropy=%(file)s:entropy:AVERAGE", | |
| 39 | "CDEF:entropytrend=entropy,43200,TREND", | |
| 40 | ||
| 41 | "LINE3:entropy#ff0000:%-15s" % _("Available entropy"), | |
| 42 | "VDEF:entrmin=entropy,MINIMUM", | |
| 43 | "VDEF:entrmax=entropy,MAXIMUM", | |
| 44 | "VDEF:entravg=entropy,AVERAGE", | |
| 45 | "GPRINT:entrmax:%12s\:" % _("Maximum") + " %5.0lf", | |
| 46 | "GPRINT:entrmin:%12s\:" % _("Minimum") + " %5.0lf", | |
| 47 | "GPRINT:entravg:%12s\:" % _("Average") + " %5.0lf\\n", | |
| 48 | ||
| 49 | "LINE3:entropytrend#000000", | |
| 50 | ] | |
| b1ea4956 | 51 | |
| f181246a | 52 | lower_limit = 0 |
| 73db5226 | 53 | |
| f181246a MT |
54 | @property |
| 55 | def graph_title(self): | |
| 971ad5c8 | 56 | _ = self.locale.translate |
| f181246a MT |
57 | return _("Available entropy") |
| 58 | ||
| 59 | @property | |
| 60 | def graph_vertical_label(self): | |
| 971ad5c8 | 61 | _ = self.locale.translate |
| f181246a | 62 | return _("Bit") |
| 73db5226 | 63 | |
| b1ea4956 | 64 | |
| 72364063 | 65 | class EntropyObject(base.Object): |
| b1ea4956 | 66 | rrd_schema = [ |
| de090041 | 67 | "DS:entropy:GAUGE:0:U", |
| b1ea4956 MT |
68 | ] |
| 69 | ||
| 72364063 MT |
70 | @property |
| 71 | def id(self): | |
| 72 | return "default" | |
| 55c28321 | 73 | |
| 72364063 MT |
74 | def collect(self): |
| 75 | with open(ENTROPY_FILE) as f: | |
| 76 | return f.readline().strip() | |
| 55c28321 | 77 | |
| 55c28321 | 78 | |
| 72364063 MT |
79 | class EntropyPlugin(base.Plugin): |
| 80 | name = "entropy" | |
| 81 | description = "Entropy Plugin" | |
| 82 | ||
| c968f6d9 | 83 | templates = [GraphTemplateEntropy] |
| 72364063 MT |
84 | |
| 85 | @property | |
| 86 | def objects(self): | |
| 87 | if not os.path.exists(ENTROPY_FILE): | |
| 88 | self.log.debug(_("Entropy kernel interface does not exist")) | |
| 89 | return [] | |
| 55c28321 | 90 | |
| 72364063 | 91 | return [EntropyObject(self)] |