applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua

   1 --[[
   2
   3 Luci statistics - statistics controller module
   4 (c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
   5
   6 Licensed under the Apache License, Version 2.0 (the "License");
   7 you may not use this file except in compliance with the License.
   8 You may obtain a copy of the License at
   9
  10         http://www.apache.org/licenses/LICENSE-2.0
  11
  12 $Id$
  13
  14 ]]--
  15
  16 module("luci.controller.luci_statistics.luci_statistics", package.seeall)
  17
  18 function index()
  19
  20         require("luci.fs")
  21         require("luci.i18n")
  22         require("luci.statistics.datatree")
  23
  24         -- load language file
  25         luci.i18n.load("statistics.en") -- XXX: temporary / replace with loadc()
  26
  27         -- get rrd data tree
  28         local tree = luci.statistics.datatree.Instance()
  29
  30         -- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
  31         function _entry( path, ... )
  32                 local file = path[4] or path[3]
  33                 if luci.fs.isfile( "/usr/lib/collectd/" .. file .. ".so" ) then
  34                         entry( path, ... )
  35                 end
  36         end
  37
  38         -- override i18n(): try to translate stat_<str> or fall back to <str>
  39         function _i18n( str )
  40                 return luci.i18n.translate( "stat_" .. str, str )
  41         end
  42
  43
  44         entry({"admin", "statistics"},                          call("statistics_index"),               _i18n("statistics"),    80).i18n = "statistics"
  45         entry({"admin", "statistics", "collectd"},              cbi("luci_statistics/collectd"),        _i18n("collectd"),      10)
  46
  47         entry({"admin", "statistics", "output"},                call("statistics_outputplugins"),       _i18n("outputplugins"), 20)
  48         _entry({"admin", "statistics", "output", "rrdtool"},    cbi("luci_statistics/rrdtool"),         _i18n("rrdtool"),       10)
  49         _entry({"admin", "statistics", "output", "network"},    cbi("luci_statistics/network"),         _i18n("network"),       20)
  50         _entry({"admin", "statistics", "output", "unixsock"},   cbi("luci_statistics/unixsock"),        _i18n("unixsock"),      30)
  51         _entry({"admin", "statistics", "output", "csv"},        cbi("luci_statistics/csv"),             _i18n("csv"),           40)
  52
  53         entry({"admin", "statistics", "system"},                call("statistics_systemplugins"),       _i18n("systemplugins"), 30)
  54         _entry({"admin", "statistics", "system", "exec"},       cbi("luci_statistics/exec"),            _i18n("exec"),          10)
  55         _entry({"admin", "statistics", "system", "email"},      cbi("luci_statistics/email"),           _i18n("email"),         20)
  56         _entry({"admin", "statistics", "system", "cpu"},        cbi("luci_statistics/cpu"),             _i18n("cpu"),           30)
  57         _entry({"admin", "statistics", "system", "df"},         cbi("luci_statistics/df"),              _i18n("df"),            40)
  58         _entry({"admin", "statistics", "system", "disk"},       cbi("luci_statistics/disk"),            _i18n("disk"),          50)
  59         _entry({"admin", "statistics", "system", "irq"},        cbi("luci_statistics/irq"),             _i18n("irq"),           60)
  60         _entry({"admin", "statistics", "system", "processes"},  cbi("luci_statistics/processes"),       _i18n("processes"),     70)
  61
  62         entry({"admin", "statistics", "network"},               call("statistics_networkplugins"),      _i18n("networkplugins"),40)
  63         _entry({"admin", "statistics", "network", "interface"}, cbi("luci_statistics/interface"),       _i18n("interface"),     10)
  64         _entry({"admin", "statistics", "network", "netlink"},   cbi("luci_statistics/netlink"),         _i18n("netlink"),       20)
  65         _entry({"admin", "statistics", "network", "iptables"},  cbi("luci_statistics/iptables"),        _i18n("iptables"),      30)
  66         _entry({"admin", "statistics", "network", "tcpconns"},  cbi("luci_statistics/tcpconns"),        _i18n("tcpconns"),      40)
  67         _entry({"admin", "statistics", "network", "ping"},      cbi("luci_statistics/ping"),            _i18n("ping"),          50)
  68         _entry({"admin", "statistics", "network", "dns"},       cbi("luci_statistics/dns"),             _i18n("dns"),           60)
  69         _entry({"admin", "statistics", "network", "wireless"},  cbi("luci_statistics/wireless"),        _i18n("wireless"),      70)
  70
  71
  72         -- output views
  73         local page = entry( { "admin", "statistics", "graph" }, call("statistics_index"), _i18n("graphs"), 80)
  74               page.i18n     = "statistics"
  75               page.setuser  = "nobody"
  76               page.setgroup = "nogroup"
  77
  78         local vars = luci.http.formvalues()
  79         local span = vars.timespan or nil
  80
  81         for i, plugin in ipairs( tree:plugins() ) do
  82
  83                 -- get plugin instances
  84                 local instances = tree:plugin_instances( plugin )
  85
  86                 -- plugin menu entry
  87                 entry(
  88                         { "admin", "statistics", "graph", plugin },
  89                         call("statistics_render"), _i18n( plugin ), i
  90                 ).query = { timespan = span }
  91
  92                 -- if more then one instance is found then generate submenu
  93                 if #instances > 1 then
  94                         for j, inst in ipairs(instances) do
  95                                 -- instance menu entry
  96                                 entry(
  97                                         { "admin", "statistics", "graph", plugin, inst },
  98                                         call("statistics_render"), inst, j
  99                                 ).query = { timespan = span }
 100                         end
 101                 end
 102         end
 103 end
 104
 105 function statistics_index()
 106         luci.template.render("admin_statistics/index")
 107 end
 108
 109 function statistics_outputplugins()
 110         local plugins = { }
 111
 112         for i, p in ipairs({ "rrdtool", "network", "unixsock", "csv" }) do
 113                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 114         end
 115
 116         luci.template.render("admin_statistics/outputplugins", {plugins=plugins})
 117 end
 118
 119 function statistics_systemplugins()
 120         local plugins = { }
 121
 122         for i, p in ipairs({ "exec", "email", "df", "disk", "irq", "processes", "cpu" }) do
 123                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 124         end
 125
 126         luci.template.render("admin_statistics/systemplugins", {plugins=plugins})
 127 end
 128
 129 function statistics_networkplugins()
 130         local plugins = { }
 131
 132         for i, p in ipairs({ "interface", "netlink", "iptables", "tcpconns", "ping", "dns", "wireless" }) do
 133                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 134         end
 135
 136         luci.template.render("admin_statistics/networkplugins", {plugins=plugins})
 137 end
 138
 139
 140 function statistics_render()
 141
 142         require("luci.statistics.rrdtool")
 143         require("luci.template")
 144         require("luci.model.uci")
 145
 146         local vars  = luci.http.formvalues()
 147         local req   = luci.dispatcher.request
 148         local path  = luci.dispatcher.dispatched.path
 149         local uci   = luci.model.uci.Session()
 150         local spans = luci.util.split( uci:get( "luci_statistics", "collectd_rrdtool", "RRATimespans" ), "%s+", nil, true )
 151         local span  = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1]
 152         local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ) )
 153
 154         local plugin, instances
 155         local images = { }
 156
 157         -- find requested plugin and instance
 158         for i, p in ipairs( luci.dispatcher.dispatched.path ) do
 159                 if luci.dispatcher.dispatched.path[i] == "graph" then
 160                         plugin    = luci.dispatcher.dispatched.path[i+1]
 161                         instances = { luci.dispatcher.dispatched.path[i+2] }
 162                 end
 163         end
 164
 165         -- no instance requested, find all instances
 166         if #instances == 0 then
 167                 instances = { graph.tree:plugin_instances( plugin )[1] }
 168
 169         -- index instance requested
 170         elseif instances[1] == "-" then
 171                 instances[1] = ""
 172         end
 173
 174
 175         -- render graphs
 176         for i, inst in ipairs( instances ) do
 177                 for i, img in ipairs( graph:render( plugin, inst ) ) do
 178                         table.insert( images, graph:strippngpath( img ) )
 179                 end
 180         end
 181
 182         luci.template.render( "public_statistics/graph", {
 183                 images           = images,
 184                 plugin           = plugin,
 185                 timespans        = spans,
 186                 current_timespan = span
 187         } )
 188 end