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#!/usr/bin/lua
--[[
Luci statistics - collectd configuration generator
(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
$Id$
]]--
require("ffluci.model.uci")
require("ffluci.sys.iptparser")
require("ffluci.util")
local ipt = ffluci.sys.iptparser.IptParser()
local uci = ffluci.model.uci.Session()
local sections, names = uci:sections( "luci_statistics" )
function section( plugin )
local config = sections[ "collectd_" .. plugin ]
if type(config) == "table" and config.enable == "1" then
print( "<Plugin " .. plugin .. ">" )
if type( plugins[plugin] ) == "function" then
plugins[plugin]( config )
else
config_generic( config, plugins[plugin][1], plugins[plugin][2], plugins[plugin][3] )
end
print( "</Plugin>\n" )
end
end
function config_generic( c, singles, bools, lists )
if type(c) == "table" then
if type(singles) == "table" then
for i, key in ipairs( singles ) do
_string( c[key], key )
end
end
if type(bools) == "table" then
for i, key in ipairs( bools ) do
_bool( c[key], key )
end
end
if type(lists) == "table" then
_list_expand( c, lists )
end
end
end
function config_exec( c )
for s in pairs(sections) do
for key, type in pairs({ Exec="collectd_exec_input", NotificationExec="collectd_exec_notify" }) do
if sections[s][".type"] == type then
cmd = sections[s].cmdline
user = sections[s].cmduser or "root"
group = sections[s].cmdgroup or "root"
print( "\t" .. key .. " " .. user .. ":" .. group .. ' "' .. cmd .. '"' )
end
end
end
end
function config_iptables( c )
for s in pairs(sections) do
if sections[s][".type"] == "collectd_iptables_match" then
search = { }
for i, k in ipairs( {
"table", "chain", "target", "protocol", "source", "destination",
"inputif", "outputif", "options"
} ) do
v = sections[s][k]
if type(v) == "string" then
if k == "options" then v = ffluci.util.split( v, "%s+", nil, true ) end
search[k] = v
end
end
for i, rule in ipairs( ipt:find( search ) ) do
name = sections[s].name
if i > 1 then name = name .. " (" .. i .. ")" end
print( "\tChain " .. rule.table .. " " .. rule.chain .. " " .. rule.index .. ' "' .. name .. '"' )
end
end
end
end
function config_network( c )
for s in pairs(sections) do
for key, type in pairs({ Listen="collectd_network_listen", Server="collectd_network_server" }) do
if sections[s][".type"] == type then
host = sections[s].host
port = sections[s].port
if host then
if port then
print( "\t" .. key .. " " .. host .. " " .. port )
else
print( "\t" .. key .. " " .. host )
end
end
end
end
end
_string( c["TimeToLive"], "TimeToLive" )
_string( c["CacheFlush"], "CacheFlush" )
_bool( c["Forward"], "Forward" )
end
function _list_expand( c, l )
for i, n in ipairs(l) do
if c[n] then
_expand( c[n], n:gsub( "(%w+)s", "%1" ) )
end
end
end
function _expand( s, n )
if type(s) == "string" then
for i, v in ipairs( ffluci.util.split( s, "%s+", nil, true ) ) do
_string( v, n )
end
end
end
function _bool( s, n )
if s and s == "1" then
print( "\t" .. n .. " true" )
else
print( "\t" .. n .. " false" )
end
end
function _string( s, n )
if s then
if not s:find("%d") then
if not s:find("%s") then
print( "\t" .. n .. " " .. s )
else
print( "\t" .. n .. ' "' .. s '"' )
end
else
print( "\t" .. n .. " " .. s )
end
end
end
plugins = {
csv = {
{ "DataDir" },
{ "StoreRates" },
{ }
},
df = {
{ },
{ "IgnoreSelected" },
{ "Devices", "MountPoints", "FSTypes" }
},
disk = {
{ },
{ "IgnoreSelected" },
{ "Disks" }
},
dns = {
{ },
{ },
{ "Interfaces", "IgnoreSources" }
},
email = {
{ "SocketFile", "SocketUser", "SocketPerms", "MaxConns" },
{ },
{ }
},
exec = config_exec,
interface = {
{ },
{ "IgnoreSelected" },
{ "Interfaces" }
},
iptables = config_iptables,
irq = {
{ },
{ "IgnoreSelected" },
{ "Irqs" }
},
logfile = {
{ "LogLevel", "File" },
{ "Timestamp" },
{ }
},
netlink = {
{ },
{ "IgnoreSelected" },
{ "Interfaces", "VerboseInterfaces", "QDiscs", "Classs", "Filters" }
},
network = config_network,
processes = {
{ },
{ },
{ "Processs" }
},
tcpconns = {
{ },
{ "ListeningPorts" },
{ "LocalPorts", "RemotePorts" }
},
}
for plugin in pairs(plugins) do
section( plugin )
end
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