applications/luci-statistics: Add ping interval option, closes #136
[project/luci.git] / applications / luci-statistics / root / usr / bin / stat-genconfig
1 #!/usr/bin/lua
2
3 --[[
4
5 Luci statistics - collectd configuration generator
6 (c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
7
8 Licensed under the Apache License, Version 2.0 (the "License");
9 you may not use this file except in compliance with the License.
10 You may obtain a copy of the License at
11
12                 http://www.apache.org/licenses/LICENSE-2.0
13
14 $Id$
15
16 ]]--
17
18
19 require("luci.model.uci")
20 require("luci.sys.iptparser")
21 require("luci.util")
22
23 local ipt = luci.sys.iptparser.IptParser()
24 local uci = luci.model.uci.cursor()
25 local sections = uci:get_all( "luci_statistics" )
26
27
28 function print(...)
29         nixio.stdout:write(...)
30         nixio.stdout:write("\n")
31 end
32
33 function section( plugin )
34
35         local config = sections[ "collectd_" .. plugin ] or sections["collectd"]
36
37         if type(config) == "table" and ( plugin == "collectd" or config.enable == "1" ) then
38
39                 local params = ""
40
41                 if type( plugins[plugin] ) == "function" then
42                         params = plugins[plugin]( config )
43                 else
44                         params = config_generic( config, plugins[plugin][1], plugins[plugin][2], plugins[plugin][3], plugin == "collectd" )
45                 end
46
47
48                 if plugin ~= "collectd" then
49                         print( "LoadPlugin " .. plugin )
50
51                         if params:len() > 0 then
52                                 print( "<Plugin " .. plugin .. ">\n" .. params .. "</Plugin>\n" )
53                         else
54                                 print( "" )
55                         end
56                 else
57                         print( params .. "\n" )
58                 end
59         end
60 end
61
62 function config_generic( c, singles, bools, lists, nopad )
63         local str = ""
64
65         if type(c) == "table" then
66
67                 if type(singles) == "table" then
68                         for i, key in ipairs( singles ) do
69                                 if preprocess[key] then
70                                         c[key] = preprocess[key](c[key])
71                                 end
72
73                                 str = str .. _string( c[key], key, nopad )
74                         end
75                 end
76
77                 if type(bools) == "table" then
78                         for i, key in ipairs( bools ) do
79                                 if preprocess[key] then
80                                         c[key] = preprocess[key](c[key])
81                                 end
82
83                                 str = str .. _bool( c[key], key, nopad )
84                         end
85                 end
86
87                 if type(lists) == "table" then
88                         str = str .. _list_expand( c, lists, nopad )
89                 end
90         end
91
92         return str
93 end
94
95 function config_exec( c )
96         local str = ""
97
98         for s in pairs(sections) do
99                 for key, type in pairs({ Exec="collectd_exec_input", NotificationExec="collectd_exec_notify" }) do
100                         if sections[s][".type"] == type then
101
102                                 cmd = sections[s].cmdline
103
104                                 if cmd then
105                                         cmd   = cmd:gsub("^%s+", ""):gsub("%s+$", "")
106                                         user  = sections[s].cmduser  or "nobody"
107                                         group = sections[s].cmdgroup
108
109                                         str = str .. "\t" .. key .. ' "' ..
110                                                 user .. ( group and ":" .. group or "" ) .. '" "' ..
111                                                 cmd:gsub('%s+', '" "') .. '"\n'
112                                 end
113                         end
114                 end
115         end
116
117         return str
118 end
119
120 function config_iptables( c )
121         local str = ""
122
123         for s in pairs(sections) do
124                 if sections[s][".type"] == "collectd_iptables_match" then
125
126                         search = { }
127
128                         for i, k in ipairs( {
129                                 "table", "chain", "target", "protocol", "source", "destination",
130                                 "inputif", "outputif", "options"
131                         } ) do
132                                 v = sections[s][k]
133
134                                 if type(v) == "string" then
135                                         if k == "options" then v = luci.util.split( v, "%s+", nil, true ) end
136                                         search[k] = v
137                                 end
138                         end
139
140                         for i, rule in ipairs( ipt:find( search ) ) do
141
142                                 name = sections[s].name:gsub( "%s+", "_" )
143                                 if i > 1 then name = name .. "_(" .. i .. ")" end
144
145                                 str = str .. "\tChain " .. rule.table .. " " .. rule.chain .. " " .. rule.index .. ' "' .. name .. "\"\n"
146                         end
147                 end
148         end
149
150         return str
151 end
152
153 function config_network( c )
154         local str = ""
155
156         for s in pairs(sections) do
157                 for key, type in pairs({ Listen="collectd_network_listen", Server="collectd_network_server" }) do
158                         if sections[s][".type"] == type then
159
160                                 host = sections[s].host
161                                 port = sections[s].port
162
163                                 if host then
164                                         if port then
165                                                 str = str .. "\t" .. key .. " \"" .. host .. "\" \"" .. port .. "\"\n"
166                                         else
167                                                 str = str .. "\t" .. key .. " \"" .. host .. "\"\n"
168                                         end
169                                 end
170                                                 end
171                                 end
172                 end
173
174         return str .. _string( c["TimeToLive"], "TimeToLive" )
175                    .. _string( c["CacheFlush"], "CacheFlush" )
176                    .. _bool(   c["Forward"],    "Forward"    )
177 end
178
179
180 function _list_expand( c, l, nopad )
181         local str = ""
182
183         for i, n in ipairs(l) do
184                 if c[n] then
185                         if preprocess[n] then
186                                 c[n] = preprocess[n](c[n])
187                         end
188
189                         if n:find("(%w+)ses") then
190                                 k = n:gsub("(%w+)ses", "%1s")
191                         else
192                                 k = n:gsub("(%w+)s", "%1")
193                         end
194
195                         str = str .. _expand( c[n], k, nopad )
196                 end
197         end
198
199         return str
200 end
201
202 function _expand( s, n, nopad )
203         if type(s) == "string" then
204                 local str = ""
205
206                 for i, v in ipairs( luci.util.split( s, "%s+", nil, true ) ) do
207                         str = str .. _string( v, n, nopad )
208                 end
209
210                 return str
211         end
212 end
213
214 function _bool( s, n, nopad )
215
216         local str = ""
217         local pad = ""
218         if not nopad then pad = "\t" end
219
220         if s and s == "1" then
221                 str = pad .. n .. " true"
222         else
223                 str = pad .. n .. " false"
224         end
225
226         return str .. "\n"
227 end
228
229 function _string( s, n, nopad )
230
231         local str = ""
232         local pad = ""
233         if not nopad then pad = "\t" end
234
235         if s then
236                 if s:find("[^%d]") then
237                         if not s:find("[^%w]") then
238                                 str = pad .. n .. " " .. luci.util.trim(s)
239                         else
240                                 str = pad .. n .. ' "' .. luci.util.trim(s) .. '"'
241                         end
242                 else
243                         str = pad .. n .. " " .. luci.util.trim(s)
244                 end
245
246                 str = str .. "\n"
247         end
248
249         return str
250 end
251
252
253 plugins = {
254         collectd = {
255                 { "BaseDir", "Include", "PIDFile", "PluginDir", "TypesDB", "Interval", "ReadThreads", "Hostname" },
256                 { },
257                 { }
258         },
259
260         cpu     = {
261                 { },
262                 { },
263                 { }
264         },
265
266         csv     = {
267                 { "DataDir" },
268                 { "StoreRates" },
269                 { }
270         },
271
272         df      = {
273                 { },
274                 { "IgnoreSelected" },
275                 { "Devices", "MountPoints", "FSTypes" }
276         },
277
278         disk    = {
279                 { },
280                 { "IgnoreSelected" },
281                 { "Disks" }
282         },
283
284         dns     = {
285                 { },
286                 { },
287                 { "Interfaces", "IgnoreSources" }
288         },
289
290         email   = {
291                 { "SocketFile", "SocketGroup", "SocketPerms", "MaxConns" },
292                 { },
293                 { }
294         },
295
296         exec    = config_exec,
297
298         interface = {
299                 { },
300                 { "IgnoreSelected" },
301                 { "Interfaces" }
302         },
303
304         iptables = config_iptables,
305
306         irq     = {
307                 { },
308                 { "IgnoreSelected" },
309                 { "Irqs" }
310         },
311
312         load    = {
313                 { },
314                 { },
315                 { }
316         },
317
318         logfile = {
319                 { "LogLevel", "File" },
320                 { "Timestamp" },
321                 { }
322         },
323
324         netlink = {
325                 { },
326                 { "IgnoreSelected" },
327                 { "Interfaces", "VerboseInterfaces", "QDiscs", "Classes", "Filters" }
328         },
329
330         network = config_network,
331
332         ping    = {
333                 { "TTL", "Interval" },
334                 { },
335                 { "Hosts" }
336         },
337
338         processes = {
339                 { },
340                 { },
341                 { "Processes" }
342         },
343
344         rrdtool = {
345                 { "DataDir", "StepSize", "HeartBeat", "RRARows", "XFF", "CacheFlush", "CacheTimeout" },
346                 { "RRASingle" },
347                 { "RRATimespans" }
348         },
349
350         tcpconns = {
351                 { },
352                 { "ListeningPorts" },
353                 { "LocalPorts", "RemotePorts" }
354         },
355
356         unixsock = {
357                 { "SocketFile", "SocketGroup", "SocketPerms" },
358                 { },
359                 { }
360         },
361
362         wireless = {
363                 { },
364                 { },
365                 { }
366         },
367 }
368
369 preprocess = {
370         RRATimespans = function(val)
371                 local rv = { }
372                 for time in val:gmatch("[^%s]+") do
373                         table.insert( rv, luci.util.parse_units(time) )
374                 end
375                 return table.concat(rv, " ")
376         end
377 }
378
379
380 section("collectd")
381
382 for plugin in pairs(plugins) do
383         if plugin ~= "collectd" then
384                 section( plugin )
385         end
386 end