+++ /dev/null
-#!/usr/bin/lua
-
---[[
-
-Luci statistics - collectd configuration generator
-(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org>
-
-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("luci.model.uci")
-require("luci.util")
-require("luci.i18n")
-require("luci.jsonc")
-require("nixio.fs")
-
-local uci = luci.model.uci.cursor()
-local sections = uci:get_all( "luci_statistics" )
-
-
-function print(...)
- nixio.stdout:write(...)
- nixio.stdout:write("\n")
-end
-
-function section( plugin )
-
- local config = sections[ "collectd_" .. plugin ] or sections["collectd"]
-
- if type(config) == "table" and ( plugin == "collectd" or config.enable == "1" ) then
-
- local params = ""
-
- if type( plugins[plugin] ) == "function" then
- params = plugins[plugin]( config )
- else
- params = config_generic( config, plugins[plugin][1], plugins[plugin][2], plugins[plugin][3], plugin == "collectd" )
- end
-
-
- if plugin ~= "collectd" then
- print( "LoadPlugin " .. plugin )
-
- if params:len() > 0 then
- print( "<Plugin " .. plugin .. ">\n" .. params .. "</Plugin>\n" )
- else
- print( "" )
- end
- else
- print( params .. "\n" )
- end
- end
-end
-
-function config_generic( c, singles, bools, lists, nopad )
- local str = ""
-
- if type(c) == "table" then
-
- if type(singles) == "table" then
- for i, key in ipairs( singles ) do
- if preprocess[key] then
- c[key] = preprocess[key](c[key])
- end
-
- str = str .. _string( c[key], key, nopad )
- end
- end
-
- if type(bools) == "table" then
- for i, key in ipairs( bools ) do
- if preprocess[key] then
- c[key] = preprocess[key](c[key])
- end
-
- str = str .. _bool( c[key], key, nopad )
- end
- end
-
- if type(lists) == "table" then
- str = str .. _list_expand( c, lists, nopad )
- end
- end
-
- return str
-end
-
-function config_exec( c )
- local str = ""
-
- 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
-
- if cmd then
- cmd = cmd:gsub("^%s+", ""):gsub("%s+$", "")
- user = sections[s].cmduser or "nobody"
- group = sections[s].cmdgroup
-
- str = str .. "\t" .. key .. ' "' ..
- user .. ( group and ":" .. group or "" ) .. '" "' ..
- cmd:gsub('%s+', '" "') .. '"\n'
- end
- end
- end
- end
-
- return str
-end
-
-function config_curl( c )
- local str = ""
-
- for s in pairs(sections) do
- if sections[s][".type"] == "collectd_curl_page" then
- str = str .. "\t<Page \"" .. sections[s].name .. "\">\n" ..
- "\t\tURL \"" .. sections[s].url .. "\"\n" ..
- "\t\tMeasureResponseTime true\n" ..
- "\t</Page>\n"
- end
- end
-
- return str
-end
-
-function config_iptables( c )
- local str = ""
-
- for id, s in pairs(sections) do
- if s[".type"] == "collectd_iptables_match" or s[".type"] == "collectd_iptables_match6" then
- local tname = s.table and tostring(s.table)
- local chain = s.chain and tostring(s.chain)
-
- if tname and tname:match("^%S+$") and chain and chain:match("^%S+$") then
- local line = { #s[".type"] > 23 and "\tChain6" or "\tChain", tname, chain }
- local rule = s.rule and tostring(s.rule)
-
- if rule and rule:match("^%S+$") then
- line[#line+1] = rule
-
- local name = s.name and tostring(s.name)
- if name and name:match("^%S+$") then
- line[#line+1] = name
- end
- end
-
- str = str .. table.concat(line, " ") .. "\n"
- end
- end
- end
-
- return str
-end
-
-function config_network( c )
- local str = ""
-
- for s in pairs(sections) do
- for key, type in pairs({ Listen="collectd_network_listen", Server="collectd_network_server" }) do
- if sections[s][".type"] == type then
-
- host = sections[s].host
- port = sections[s].port
-
- if host then
- if port then
- str = str .. "\t" .. key .. " \"" .. host .. "\" \"" .. port .. "\"\n"
- else
- str = str .. "\t" .. key .. " \"" .. host .. "\"\n"
- end
- end
- end
- end
- end
-
- return str ..
- _string(c["MaxPacketSize"], "MaxPacketSize") ..
- _string(c["TimeToLive"], "TimeToLive") ..
- _bool(c["Forward"], "Forward") ..
- _bool(c["ReportStats"], "ReportStats")
-end
-
-
-function _list_expand( c, l, nopad )
- local str = ""
-
- for i, n in ipairs(l) do
- if c[n] then
- if preprocess[n] then
- c[n] = preprocess[n](c[n])
- end
-
- if n:find("(%w+)ses") then
- k = n:gsub("(%w+)ses$", "%1s")
- else
- k = n:gsub("(%w+)s$", "%1")
- end
-
- str = str .. _expand( c[n], k, nopad )
- end
- end
-
- return str
-end
-
-function _expand( s, n, nopad )
- local str = ""
-
- if type(s) == "string" then
- for i, v in ipairs( luci.util.split( s, "%s+", nil, true ) ) do
- str = str .. _string( v, n, nopad )
- end
- elseif type(s) == "table" then
- for i, v in ipairs(s) do
- str = str .. _string( v, n, nopad )
- end
- end
-
- return str
-end
-
-function _bool( s, n, nopad )
-
- local str = ""
- local pad = ""
- if not nopad then pad = "\t" end
-
- if s == "1" then
- str = pad .. n .. " true\n"
- elseif s == "0" then
- str = pad .. n .. " false\n"
- end
-
- return str
-end
-
-function _string( s, n, nopad )
-
- local str = ""
- local pad = ""
- if not nopad then pad = "\t" end
-
- if s then
- if s:find("[^%d]") or n == "Port" or n == "Irq" then
- if not s:find("[^%w]") and n ~= "Port" and n ~= "Irq" then
- str = pad .. n .. " " .. luci.util.trim(s)
- else
- str = pad .. n .. ' "' .. luci.util.trim(s) .. '"'
- end
- else
- str = pad .. n .. " " .. luci.util.trim(s)
- end
-
- str = str .. "\n"
- end
-
- return str
-end
-
-
-plugins = {
- collectd = {
- { "BaseDir", "Include", "PIDFile", "PluginDir", "TypesDB", "Interval", "ReadThreads", "Hostname" },
- { },
- { }
- },
- logfile = {
- { "LogLevel", "File" },
- { "Timestamp" },
- { }
- },
-}
-
-local plugin_dir = "/usr/share/luci/statistics/plugins/"
-for filename in nixio.fs.dir(plugin_dir) do
- local name = filename:gsub("%.json", "")
- if (name == "exec") then
- plugins[name] = config_exec
- elseif (name == "iptables") then
- plugins[name] = config_iptables
- elseif (name == "curl") then
- plugins[name] = config_curl
- elseif (name == "network") then
- plugins[name] = config_network
- else
- local plugin_def = luci.jsonc.parse(nixio.fs.readfile(plugin_dir .. filename))
- if type(plugin_def) == "table" then
- plugins[name] = plugin_def.legend
- end
- end
-end
-
-
-preprocess = {
- RRATimespans = function(val)
- local rv = { }
- for time in luci.util.imatch(val) do
- table.insert( rv, luci.util.parse_units(time) )
- end
- return table.concat(rv, " ")
- end
-}
-
-
-section("collectd")
-
-section("logfile")
-
-for plugin in pairs(plugins) do
- if (plugin ~= "collectd") and (plugin ~= "logfile") then
- section( plugin )
- end
-end
--- /dev/null
+#!/usr/bin/env ucode
+/*
+Luci statistics - collectd configuration generator
+(c) 2008-2022 Jo-Philipp Wich <jo@mein.io>
+
+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
+
+*/
+
+'use strict';
+
+import { lsdir, open } from 'fs';
+import { cursor } from 'uci';
+
+const uci = cursor();
+const sections = uci.get_all('luci_statistics');
+
+const plugins = {
+ collectd: [
+ [ 'BaseDir', 'Include', 'PIDFile', 'PluginDir', 'TypesDB', 'Interval', 'ReadThreads', 'Hostname' ],
+ [],
+ []
+ ],
+ logfile: [
+ [ 'LogLevel', 'File' ],
+ [ 'Timestamp' ],
+ []
+ ],
+};
+
+function parse_units(ustr) {
+ let val = 0;
+
+ // unit map
+ const map = {
+ y : 60 * 60 * 24 * 366,
+ m : 60 * 60 * 24 * 31,
+ w : 60 * 60 * 24 * 7,
+ d : 60 * 60 * 24,
+ h : 60 * 60,
+ min: 60
+ };
+
+ // parse input string
+ for (let spec in match(lc(ustr), /([0-9.]+)([a-z]*)/g)) {
+ let num = +spec[1];
+ let mul = map[spec[2]] ?? map[substr(spec[2], 0, 1)] ?? 1;
+
+ val += num * mul;
+ }
+
+ return int(val);
+}
+
+const preprocess = {
+ RRATimespans: function(val) {
+ return join(' ', map(split(val, /\s+/), parse_units));
+ }
+};
+
+
+function _bool(s, n, nopad) {
+ if (s == '1')
+ return `${nopad ? '' : '\t'}${n} true\n`;
+
+ if (s == '0')
+ return `${nopad ? '' : '\t'}${n} false\n`;
+
+ return '';
+}
+
+function _string(s, n, nopad) {
+ if (s) {
+ if (n == 'Port' || n == 'Irq' || match(s, /[^0-9]/)) {
+ if (!match(s, /[^\w]/) && n != 'Port' && n != 'Irq')
+ return `${nopad ? '' : '\t'}${n} ${trim(s)}\n`;
+ else
+ return `${nopad ? '' : '\t'}${n} "${trim(s)}"\n`;
+ }
+ else {
+ return `${nopad ? '' : '\t'}${n} ${trim(s)}\n`;
+ }
+ }
+
+ return '';
+}
+
+function _expand(s, n, nopad) {
+ let str = "";
+
+ if (type(s) == 'string') {
+ for (let v in split(s, /\s+/))
+ str += _string(v, n, nopad);
+ }
+ else if (type(s) == 'array') {
+ for (let v in s)
+ str += _string(v, n, nopad);
+ }
+
+ return str;
+}
+
+function _list_expand(c, l, nopad) {
+ let str = '';
+
+ for (let n in l) {
+ if (c[n]) {
+ if (preprocess[n])
+ c[n] = preprocess[n](c[n]);
+
+ let m = match(n, /^(\w+)ses$/);
+ let k;
+
+ if (m)
+ k = `${m[1]}s`;
+ else
+ k = replace(n, /^(\w+)s$/, '$1');
+
+ str += _expand(c[n], k, nopad);
+ }
+ }
+
+ return str;
+}
+
+
+function config_generic(c, singles, bools, lists, nopad) {
+ let str = '';
+
+ if (c) {
+ for (let key in singles) {
+ if (preprocess[key])
+ c[key] = preprocess[key](c[key]);
+
+ str += _string(c[key], key, nopad);
+ }
+
+ for (let key in bools) {
+ if (preprocess[key])
+ c[key] = preprocess[key](c[key]);
+
+ str += _bool(c[key], key, nopad);
+ }
+
+ if (lists)
+ str += _list_expand(c, lists, nopad);
+ }
+
+ return str;
+}
+
+function config_exec(c) {
+ let str = "";
+
+ for (let k, s in sections) {
+ for (let key, type in { Exec: 'collectd_exec_input', NotificationExec: 'collectd_exec_notify' }) {
+ if (s['.type'] == type) {
+ let cmd = replace(trim(s.cmdline), /\s+/g, '" "');
+ let user = s.cmduser ?? 'nobody';
+ let group = s.cmdgroup;
+
+ if (cmd)
+ str += `\t${key} "${user}${group ? `:${group}` : ''}" "${cmd}"\n`;
+ }
+ }
+ }
+
+ return str;
+}
+
+function config_curl(c) {
+ let str = "";
+
+ for (let k, s in sections) {
+ if (s['.type'] == 'collectd_curl_page') {
+ str += `\t<Page "${s.name}">\n`
+ + `\t\tURL "${s.url}"\n`
+ + `\t\tMeasureResponseTime true\n`
+ + `\t</Page>\n`;
+ }
+ }
+
+ return str;
+}
+
+function config_iptables(c) {
+ let str = "";
+
+ for (let k, s in sections) {
+ for (let type, verb in { collectd_iptables_match: 'Chain', collectd_iptables_match6: 'Chain6' }) {
+ if (s['.type'] == type) {
+ let tname = `${s.table}`;
+ let chain = `${s.chain}`;
+
+ if (match(tname, /^\S+$/) && match(chain, /^\S+$/) && match(rule, /^\S+$/) && match(name, /^\S+$/)) {
+ str += `\t${verb} "${tname}" "${chain}"`;
+
+ let rule = `${s.rule}`;
+
+ if (match(rule, /^\S+$/)) {
+ str += ` "${rule}"`;
+
+ let name = `${s.name}`;
+
+ if (match(name, /^\S+$/))
+ str += ` "${name}"`;
+ }
+
+ str += '\n';
+ }
+ }
+ }
+ }
+
+ return str;
+}
+
+function config_network(c) {
+ let str = '';
+
+ for (let k, s in sections) {
+ for (let key, type in { Listen: 'collectd_network_listen', Server: 'collectd_network_server' }) {
+ if (s['.type'] == type && s.host) {
+ if (s.port)
+ str += `\t${key} "${s.host}" "${s.port}"\n`;
+ else
+ str += `\t${key} "${s.host}"\n`;
+ }
+ }
+ }
+
+ return str
+ + _string(c.MaxPacketSize, 'MaxPacketSize')
+ + _string(c.TimeToLive, 'TimeToLive')
+ + _bool(c.Forward, 'Forward')
+ + _bool(c.ReportStats, 'ReportStats')
+ ;
+}
+
+function section(plugin) {
+ let config = sections[`collectd_${plugin}`] ?? sections.collectd;
+
+ if (config && (plugin == 'collectd' || config.enable == '1')) {
+ let params;
+
+ if (type(plugins[plugin]) == 'function')
+ params = plugins[plugin](config);
+ else
+ params = config_generic(config, ...plugins[plugin], plugin == 'collectd');
+
+ if (plugin != 'collectd')
+ print(`LoadPlugin ${plugin}\n${length(params) ? `<Plugin ${plugin}>\n${params}</Plugin>\n` : ''}\n`);
+ else
+ print(`${params ?? ''}\n`);
+ }
+}
+
+
+let plugin_dir = '/usr/share/luci/statistics/plugins';
+
+for (let filename in lsdir(plugin_dir)) {
+ let name = replace(filename, /\.json$/, '');
+
+ switch (name) {
+ case 'exec': plugins[name] = config_exec; break;
+ case 'iptables': plugins[name] = config_iptables; break;
+ case 'curl': plugins[name] = config_curl; break;
+ case 'network': plugins[name] = config_network; break;
+ default:
+ plugins[name] = json(open(`${plugin_dir}/${filename}`))?.legend;
+ }
+}
+
+
+section('collectd');
+section('logfile');
+
+for (let plugin in plugins)
+ if (plugin != 'collectd' && plugin != 'logfile')
+ section(plugin);