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1 | #!/usr/bin/python3 |
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 | from collecty import _collecty | |
23 | import os | |
24 | ||
25 | from ..constants import * | |
26 | from .. import util | |
27 | from . import base | |
28 | ||
29 | from ..i18n import _ | |
30 | ||
31 | class GraphTemplateDiskUsage(base.GraphTemplate): | |
32 | name = "disk-usage" | |
33 | lower_limit = 0 | |
34 | ||
35 | @property | |
36 | def rrd_graph(self): | |
37 | _ = self.locale.translate | |
38 | ||
39 | return [ | |
40 | "DEF:used=%(file)s:used:AVERAGE", | |
41 | "VDEF:used_cur=used,LAST", | |
42 | "VDEF:used_min=used,MINIMUM", | |
43 | "VDEF:used_max=used,MAXIMUM", | |
44 | ||
45 | "DEF:free=%(file)s:free:AVERAGE", | |
46 | "VDEF:free_cur=free,LAST", | |
47 | "VDEF:free_min=free,MINIMUM", | |
48 | "VDEF:free_max=free,MAXIMUM", | |
49 | ||
50 | # Calculate the percentage of the currently used | |
51 | # space since this is helps the user very much to | |
52 | # judge | |
53 | "CDEF:percentage_used=100,used,*,used,free,+,/", | |
54 | "VDEF:percentage_used_now=percentage_used,LAST", | |
55 | "CDEF:percentage_left=100,percentage_used,-", | |
56 | "VDEF:percentage_left_now=percentage_left,LAST", | |
57 | ||
58 | # Area for the used space | |
59 | "AREA:used%s:%s" % (util.lighten(LIGHT_RED, .66), _("Used")), | |
60 | "GPRINT:percentage_used_now: (%6.2lf%%)", | |
61 | "GPRINT:used_cur:%12s\:" % _("Current") + " %9.2lf%s", | |
62 | "GPRINT:used_min:%12s\:" % _("Minimum") + " %9.2lf%s", | |
63 | "GPRINT:used_max:%12s\:" % _("Maximum") + " %9.2lf%s\\n", | |
64 | ||
65 | # Stacked area of unused space | |
66 | "AREA:free%s:%s:STACK" % (util.lighten(LIGHT_GREEN, .66), _("Free")), | |
67 | "GPRINT:percentage_left_now: (%6.2lf%%)", | |
68 | "GPRINT:free_cur:%12s\:" % _("Current") + " %9.2lf%s", | |
69 | "GPRINT:free_min:%12s\:" % _("Minimum") + " %9.2lf%s", | |
70 | "GPRINT:free_max:%12s\:" % _("Maximum") + " %9.2lf%s\\n", | |
71 | ||
72 | # Add contour lines for the areas | |
73 | "LINE:used%s" % LIGHT_RED, | |
74 | "LINE:free%s::STACK" % LIGHT_GREEN, | |
75 | ] | |
76 | ||
77 | @property | |
78 | def graph_title(self): | |
79 | _ = self.locale.translate | |
80 | return _("Disk Usage of %s") % self.object.mountpoint | |
81 | ||
82 | @property | |
83 | def graph_vertical_label(self): | |
84 | _ = self.locale.translate | |
85 | return _("Bytes") | |
86 | ||
87 | ||
88 | class GraphTemplateInodeUsage(base.GraphTemplate): | |
89 | name = "inode-usage" | |
90 | lower_limit = 0 | |
91 | ||
92 | @property | |
93 | def rrd_graph(self): | |
94 | _ = self.locale.translate | |
95 | ||
96 | rrd_graph = [ | |
97 | "DEF:used=%(file)s:inodes_used:AVERAGE", | |
98 | "VDEF:used_cur=used,LAST", | |
99 | "VDEF:used_min=used,MINIMUM", | |
100 | "VDEF:used_max=used,MAXIMUM", | |
101 | ||
102 | "DEF:free=%(file)s:inodes_free:AVERAGE", | |
103 | "VDEF:free_cur=free,LAST", | |
104 | "VDEF:free_min=free,MINIMUM", | |
105 | "VDEF:free_max=free,MAXIMUM", | |
106 | ||
107 | # Calculate the percentage of the currently used | |
108 | # inodes since this is helps the user very much to | |
109 | # judge | |
110 | "CDEF:percentage_used=100,used,*,used,free,+,/", | |
111 | "VDEF:percentage_used_now=percentage_used,LAST", | |
112 | "CDEF:percentage_left=100,percentage_used,-", | |
113 | "VDEF:percentage_left_now=percentage_left,LAST", | |
114 | ||
115 | # Area for the used inodes | |
116 | "AREA:used%s:%s" % (util.lighten(LIGHT_RED, .66), _("Used")), | |
117 | "GPRINT:percentage_used_now: (%6.2lf%%)", | |
118 | "GPRINT:used_cur:%12s\:" % _("Current") + " %9.2lf%s", | |
119 | "GPRINT:used_min:%12s\:" % _("Minimum") + " %9.2lf%s", | |
120 | "GPRINT:used_max:%12s\:" % _("Maximum") + " %9.2lf%s\\n", | |
121 | ||
122 | # Stacked area of unused inodes | |
123 | "AREA:free%s:%s:STACK" % (util.lighten(LIGHT_GREEN, .66), _("Free")), | |
124 | "GPRINT:percentage_left_now: (%6.2lf%%)", | |
125 | "GPRINT:free_cur:%12s\:" % _("Current") + " %9.2lf%s", | |
126 | "GPRINT:free_min:%12s\:" % _("Minimum") + " %9.2lf%s", | |
127 | "GPRINT:free_max:%12s\:" % _("Maximum") + " %9.2lf%s\\n", | |
128 | ||
129 | # Add contour lines for the areas | |
130 | "LINE:used%s" % LIGHT_RED, | |
131 | "LINE:free%s::STACK" % LIGHT_GREEN, | |
132 | ] | |
133 | ||
134 | return rrd_graph | |
135 | ||
136 | rrd_graph_args = [ | |
137 | "--base", "1000", # inodes | |
138 | ] | |
139 | ||
140 | @property | |
141 | def graph_title(self): | |
142 | _ = self.locale.translate | |
143 | return _("Inode Usage of %s") % self.object.mountpoint | |
144 | ||
145 | @property | |
146 | def graph_vertical_label(self): | |
147 | _ = self.locale.translate | |
148 | return _("Inodes") | |
149 | ||
150 | ||
151 | class DiskUsageObject(base.Object): | |
152 | rrd_schema = [ | |
153 | "DS:used:GAUGE:0:U", | |
154 | "DS:free:GAUGE:0:U", | |
155 | "DS:inodes_used:GAUGE:0:U", | |
156 | "DS:inodes_free:GAUGE:0:U", | |
157 | ] | |
158 | ||
159 | def __repr__(self): | |
160 | return "<%s %s>" % (self.__class__.__name__, self.mountpoint) | |
161 | ||
162 | def init(self, mountpoint): | |
163 | self.mountpoint = mountpoint | |
164 | ||
165 | @property | |
166 | def id(self): | |
167 | mountpoint = self.mountpoint | |
168 | ||
169 | if mountpoint.startswith("/"): | |
170 | mountpoint = mountpoint[1:] | |
171 | ||
172 | if not mountpoint: | |
173 | return "root" | |
174 | ||
175 | return mountpoint.replace("/", "-") | |
176 | ||
177 | def collect(self): | |
178 | stats = os.statvfs(self.mountpoint) | |
179 | ||
180 | return ( | |
181 | # used | |
182 | (stats.f_blocks * stats.f_frsize) - \ | |
183 | (stats.f_bfree * stats.f_bsize), | |
184 | # free | |
185 | stats.f_bfree * stats.f_bsize, | |
186 | # inodes used | |
187 | stats.f_files - stats.f_ffree, | |
188 | # inodes free | |
189 | stats.f_ffree, | |
190 | ) | |
191 | ||
192 | ||
193 | class DiskUsagePlugin(base.Plugin): | |
194 | name = "df" | |
195 | description = "Disk Usage Plugin" | |
196 | ||
197 | templates = [ | |
198 | GraphTemplateDiskUsage, | |
199 | GraphTemplateInodeUsage, | |
200 | ] | |
201 | ||
202 | @property | |
203 | def objects(self): | |
204 | for dev, mnt, fs, opts in _collecty.get_mountpoints(): | |
205 | yield DiskUsageObject(self, mnt) |