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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 | ||
0de83e4d MT |
22 | from __future__ import division |
23 | ||
eed405de MT |
24 | import base |
25 | ||
26 | from ..i18n import _ | |
27 | ||
28 | class PluginMemory(base.Plugin): | |
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29 | name = "memory" |
30 | description = "Memory Usage Plugin" | |
eed405de | 31 | |
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32 | rrd_schema = [ |
33 | "DS:used:GAUGE:120:0:100", | |
34 | "DS:cached:GAUGE:120:0:100", | |
35 | "DS:buffered:GAUGE:120:0:100", | |
36 | "DS:free:GAUGE:120:0:100", | |
37 | "DS:swap:GAUGE:120:0:100", | |
38 | "RRA:AVERAGE:0.5:1:2160", | |
39 | "RRA:AVERAGE:0.5:5:2016", | |
40 | "RRA:AVERAGE:0.5:15:2880", | |
41 | "RRA:AVERAGE:0.5:60:8760", | |
42 | ] | |
eed405de | 43 | |
73db5226 MT |
44 | rrd_graph = [ |
45 | "DEF:used=%(file)s:used:AVERAGE", | |
46 | "DEF:cached=%(file)s:cached:AVERAGE", | |
47 | "DEF:buffered=%(file)s:buffered:AVERAGE", | |
48 | "DEF:free=%(file)s:free:AVERAGE", | |
49 | "DEF:swap=%(file)s:swap:AVERAGE", | |
50 | ||
51 | "AREA:used#90EE90:%-15s" % _("Used memory"), | |
52 | "VDEF:usedmin=used,MINIMUM", | |
53 | "VDEF:usedmax=used,MAXIMUM", | |
54 | "VDEF:usedavg=used,AVERAGE", | |
55 | "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" , | |
56 | "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf", | |
57 | "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
58 | ||
59 | "STACK:buffered#4169E1:%-15s" % _("Buffered data"), | |
60 | "VDEF:bufferedmin=buffered,MINIMUM", | |
61 | "VDEF:bufferedmax=buffered,MAXIMUM", | |
62 | "VDEF:bufferedavg=buffered,AVERAGE", | |
63 | "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" , | |
64 | "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf", | |
65 | "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
66 | ||
67 | "STACK:cached#FFD700:%-15s" % _("Cached data"), | |
68 | "VDEF:cachedmin=cached,MINIMUM", | |
69 | "VDEF:cachedmax=cached,MAXIMUM", | |
70 | "VDEF:cachedavg=cached,AVERAGE", | |
71 | "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" , | |
72 | "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf", | |
73 | "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
74 | ||
75 | # "STACK:free#7799ff:%-15s" % _("Free memory"), | |
76 | # "VDEF:freemin=free,MINIMUM", | |
77 | # "VDEF:freemax=free,MAXIMUM", | |
78 | # "VDEF:freeavg=free,AVERAGE", | |
79 | # "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" , | |
80 | # "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf", | |
81 | # "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
82 | ||
83 | "LINE3:swap#ff0000:%-15s" % _("Used Swap space"), | |
84 | "VDEF:swapmin=swap,MINIMUM", | |
85 | "VDEF:swapmax=swap,MAXIMUM", | |
86 | "VDEF:swapavg=swap,AVERAGE", | |
87 | "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" , | |
88 | "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf", | |
89 | "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
90 | ] | |
91 | rrd_graph_args = [ | |
92 | "--title", _("Memory Usage"), | |
93 | "--vertical-label", _("Percent"), | |
94 | ||
95 | # Limit y axis. | |
96 | "--upper-limit", "100", | |
97 | "--lower-limit", "0", | |
98 | "--rigid", | |
99 | ] | |
eed405de | 100 | |
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101 | @classmethod |
102 | def autocreate(cls, collecty, **kwargs): | |
103 | # Every system has got memory. | |
104 | return cls(collecty, **kwargs) | |
105 | ||
106 | def read(self): | |
107 | f = None | |
108 | ||
109 | try: | |
110 | ret = "%s" % self.now | |
eed405de | 111 | |
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112 | f = open("/proc/meminfo") |
113 | for line in f.readlines(): | |
114 | if line.startswith("MemTotal:"): | |
115 | total = float(line.split()[1]) | |
116 | if line.startswith("MemFree:"): | |
117 | free = float(line.split()[1]) | |
118 | elif line.startswith("Buffers:"): | |
119 | buffered = float(line.split()[1]) | |
120 | elif line.startswith("Cached:"): | |
121 | cached = float(line.split()[1]) | |
122 | elif line.startswith("SwapTotal:"): | |
123 | swapt = float(line.split()[1]) | |
124 | elif line.startswith("SwapFree:"): | |
125 | swapf = float(line.split()[1]) | |
eed405de | 126 | |
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127 | ret += ":%s" % ((total - (free + buffered + cached)) * 100 / total) |
128 | ret += ":%s" % (cached * 100 / total) | |
129 | ret += ":%s" % (buffered * 100 / total) | |
130 | ret += ":%s" % (free * 100 / total) | |
eed405de | 131 | |
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132 | if swapt: |
133 | ret += ":%s" % ((swapt - swapf) * 100 / swapt) | |
134 | else: | |
135 | ret += ":0" | |
eed405de | 136 | |
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137 | self.data.append(ret) |
138 | finally: | |
139 | if f: | |
140 | f.close() |