projects / collecty.git / blame
| Commit | Line | Data |
|---|---|---|
| 55c28321 MT |
1 | #!/usr/bin/python |
| 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 | import base | |
| 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 | |
| 73db5226 MT |
33 | rrd_graph = [ |
| 34 | "DEF:entropy=%(file)s:entropy:AVERAGE", | |
| 35 | "CDEF:entropytrend=entropy,43200,TREND", | |
| 36 | ||
| 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", | |
| 44 | ||
| 45 | "LINE3:entropytrend#000000", | |
| 46 | ] | |
| b1ea4956 | 47 | |
| 73db5226 MT |
48 | rrd_graph_args = [ |
| 49 | "--title", _("Available entropy"), | |
| 50 | "--vertical-label", _("Bits"), | |
| 51 | ||
| 52 | "--lower-limit", "0", "--rigid", | |
| 53 | ] | |
| 54 | ||
| b1ea4956 MT |
55 | |
| 56 | class DataSourceEntropy(base.DataSource): | |
| 57 | name = "entropy" | |
| 58 | description = "Entropy Data Source" | |
| 59 | ||
| 60 | templates = [GraphTemplateEntropy,] | |
| 61 | ||
| 62 | rrd_schema = [ | |
| 63 | "DS:entropy:GAUGE:120:0:U", | |
| 64 | "RRA:AVERAGE:0.5:1:2160", | |
| 65 | "RRA:AVERAGE:0.5:5:2016", | |
| 66 | "RRA:AVERAGE:0.5:15:2880", | |
| 67 | "RRA:AVERAGE:0.5:60:8760", | |
| 68 | ] | |
| 69 | ||
| 55c28321 MT |
70 | @classmethod |
| 71 | def autocreate(cls, collecty, **kwargs): | |
| 72 | if not os.path.exists(ENTROPY_FILE): | |
| 73 | self.log.debug(_("Entropy kernel interface does not exist.")) | |
| 74 | return | |
| 75 | ||
| 76 | return cls(collecty, **kwargs) | |
| 77 | ||
| 78 | def read(self): | |
| 79 | data = "%s" % self.now | |
| 80 | ||
| 81 | f = open(ENTROPY_FILE) | |
| 82 | entropy = f.readline() | |
| 83 | f.close() | |
| 84 | ||
| 85 | data += ":%s" % entropy.strip() | |
| 86 | self.data.append(data) |