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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 | ||
22 | import collecty.ping | |
23 | ||
24 | import base | |
25 | ||
26 | from ..i18n import _ | |
27 | ||
28 | PING_HOSTS = [ | |
29 | "ping.ipfire.org", | |
30 | ] | |
31 | ||
32 | class GraphTemplateLatency(base.GraphTemplate): | |
33 | name = "latency" | |
34 | ||
f181246a MT |
35 | lower_limit = 0 |
36 | ||
bae5c928 MT |
37 | @property |
38 | def rrd_graph(self): | |
39 | return [ | |
40 | "DEF:latency=%(file)s:latency:AVERAGE", | |
41 | "DEF:latency_loss=%(file)s:latency_loss:AVERAGE", | |
42 | "DEF:latency_stddev=%(file)s:latency_stddev:AVERAGE", | |
43 | ||
44 | # Compute loss in percentage. | |
45 | "CDEF:latency_ploss=latency_loss,100,*", | |
46 | ||
47 | # Compute standard deviation. | |
48 | "CDEF:stddev1=latency,latency_stddev,+", | |
49 | "CDEF:stddev2=latency,latency_stddev,-", | |
50 | ||
51 | "CDEF:l005=latency_ploss,0,5,LIMIT,UN,UNKN,INF,IF", | |
52 | "CDEF:l010=latency_ploss,5,10,LIMIT,UN,UNKN,INF,IF", | |
53 | "CDEF:l025=latency_ploss,10,25,LIMIT,UN,UNKN,INF,IF", | |
54 | "CDEF:l050=latency_ploss,25,50,LIMIT,UN,UNKN,INF,IF", | |
55 | "CDEF:l100=latency_ploss,50,100,LIMIT,UN,UNKN,INF,IF", | |
56 | ||
57 | "AREA:l005#ffffff:%s" % _("0-5%%"), | |
58 | "AREA:l010#000000:%s" % _("5-10%%"), | |
59 | "AREA:l025#ff0000:%s" % _("10-25%%"), | |
60 | "AREA:l050#00ff00:%s" % _("25-50%%"), | |
61 | "AREA:l100#0000ff:%s" % _("50-100%%") + "\\n", | |
62 | ||
63 | "LINE1:stddev1#00660088", | |
64 | "LINE1:stddev2#00660088", | |
65 | ||
66 | "LINE3:latency#ff0000:%s" % _("Latency"), | |
67 | "VDEF:latencymin=latency,MINIMUM", | |
68 | "VDEF:latencymax=latency,MAXIMUM", | |
69 | "VDEF:latencyavg=latency,AVERAGE", | |
70 | "GPRINT:latencymax:%12s\:" % _("Maximum") + " %6.2lf", | |
71 | "GPRINT:latencymin:%12s\:" % _("Minimum") + " %6.2lf", | |
72 | "GPRINT:latencyavg:%12s\:" % _("Average") + " %6.2lf\\n", | |
73 | ||
74 | "LINE1:latencyavg#000000:%s" % _("Average latency"), | |
75 | ] | |
76 | ||
77 | @property | |
f181246a MT |
78 | def graph_title(self): |
79 | return _("Latency to %(host)s") | |
bae5c928 | 80 | |
f181246a MT |
81 | @property |
82 | def graph_vertical_label(self): | |
83 | return _("Milliseconds") | |
bae5c928 MT |
84 | |
85 | ||
72364063 | 86 | class LatencyObject(base.Object): |
bae5c928 MT |
87 | rrd_schema = [ |
88 | "DS:latency:GAUGE:0:U", | |
89 | "DS:latency_loss:GAUGE:0:100", | |
90 | "DS:latency_stddev:GAUGE:0:U", | |
91 | ] | |
92 | ||
72364063 MT |
93 | def __repr__(self): |
94 | return "<%s %s>" % (self.__class__.__name__, self.hostname) | |
bae5c928 | 95 | |
72364063 MT |
96 | def init(self, hostname, deadline=None): |
97 | self.hostname = hostname | |
98 | self.deadline = deadline | |
bae5c928 MT |
99 | |
100 | @property | |
72364063 MT |
101 | def id(self): |
102 | return self.hostname | |
bae5c928 | 103 | |
72364063 | 104 | def collect(self): |
bae5c928 MT |
105 | # Send up to five ICMP echo requests. |
106 | try: | |
72364063 | 107 | ping = collecty.ping.Ping(destination=self.hostname, timeout=20000) |
bae5c928 | 108 | ping.run(count=5, deadline=self.deadline) |
c968f6d9 | 109 | |
bae5c928 MT |
110 | except collecty.ping.PingError, e: |
111 | self.log.warning(_("Could not run latency check for %(host)s: %(msg)s") \ | |
72364063 | 112 | % { "host" : self.hostname, "msg" : e.msg }) |
bae5c928 MT |
113 | return |
114 | ||
f648421a | 115 | return ( |
bae5c928 MT |
116 | "%.10f" % ping.avg_time, |
117 | "%.10f" % ping.loss, | |
118 | "%.10f" % ping.stddev, | |
f648421a | 119 | ) |
72364063 MT |
120 | |
121 | ||
122 | class LatencyPlugin(base.Plugin): | |
123 | name = "latency" | |
124 | description = "Latency (ICMP ping) Plugin" | |
125 | ||
c968f6d9 | 126 | templates = [GraphTemplateLatency] |
72364063 MT |
127 | |
128 | interval = 60 | |
129 | ||
130 | @property | |
131 | def objects(self): | |
132 | deadline = self.interval / len(PING_HOSTS) | |
133 | ||
134 | for hostname in PING_HOSTS: | |
135 | yield LatencyObject(self, hostname, deadline=deadline) |