diff options
Diffstat (limited to 'plugins.d/node.d.plugin')
| -rwxr-xr-x | plugins.d/node.d.plugin | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/plugins.d/node.d.plugin b/plugins.d/node.d.plugin deleted file mode 100755 index b1620391..00000000 --- a/plugins.d/node.d.plugin +++ /dev/null @@ -1,294 +0,0 @@ -#!/usr/bin/env bash -':' //; exec "$(command -v nodejs || command -v node || command -v js || echo "ERROR node.js IS NOT AVAILABLE IN THIS SYSTEM")" "$0" "$@" - -// shebang hack from: -// http://unix.stackexchange.com/questions/65235/universal-node-js-shebang - -// Initially this is run as a shell script. -// Then, the second line, finds nodejs or node or js in the system path -// and executes it with the shell parameters. - -// netdata -// real-time performance and health monitoring, done right! -// (C) 2017 Costa Tsaousis <costa@tsaousis.gr> -// GPL v3+ - -// -------------------------------------------------------------------------------------------------------------------- - -'use strict'; - -// -------------------------------------------------------------------------------------------------------------------- -// get NETDATA environment variables - -var NETDATA_PLUGINS_DIR = process.env.NETDATA_PLUGINS_DIR || __dirname; -var NETDATA_CONFIG_DIR = process.env.NETDATA_CONFIG_DIR || __dirname + '/../../../../etc/netdata'; -var NETDATA_UPDATE_EVERY = process.env.NETDATA_UPDATE_EVERY || 1; -var NODE_D_DIR = NETDATA_PLUGINS_DIR + '/../node.d'; - -// make sure the modules are found -process.mainModule.paths.unshift(NODE_D_DIR + '/node_modules'); -process.mainModule.paths.unshift(NODE_D_DIR); - - -// -------------------------------------------------------------------------------------------------------------------- -// load required modules - -var fs = require('fs'); -var url = require('url'); -var util = require('util'); -var http = require('http'); -var path = require('path'); -var extend = require('extend'); -var netdata = require('netdata'); - - -// -------------------------------------------------------------------------------------------------------------------- -// configuration - -function pluginConfig(filename) { - var f = path.basename(filename); - - // node.d.plugin configuration - var m = f.match('.plugin' + '$'); - if(m !== null) - return netdata.options.paths.config + '/' + f.substring(0, m.index) + '.conf'; - - // node.d modules configuration - m = f.match('.node.js' + '$'); - if(m !== null) - return netdata.options.paths.config + '/node.d/' + f.substring(0, m.index) + '.conf'; - - return netdata.options.paths.config + '/node.d/' + f + '.conf'; -} - -// internal defaults -extend(true, netdata.options, { - filename: path.basename(__filename), - - update_every: NETDATA_UPDATE_EVERY, - - paths: { - plugins: NETDATA_PLUGINS_DIR, - config: NETDATA_CONFIG_DIR, - modules: [], - }, - - modules_enable_autodetect: true, - modules_enable_all: true, - modules: {}, -}); -netdata.options.config_filename = pluginConfig(__filename); - -// load configuration file -try { - netdata.options_loaded = JSON.parse(fs.readFileSync(netdata.options.config_filename, 'utf8')); - extend(true, netdata.options, netdata.options_loaded); - - if(!netdata.options.paths.plugins) - netdata.options.paths.plugins = NETDATA_PLUGINS_DIR; - - if(!netdata.options.paths.config) - netdata.options.paths.config = NETDATA_CONFIG_DIR; - - // console.error('merged netdata object:'); - // console.error(util.inspect(netdata, {depth: 10})); -} -catch(e) { - netdata.error('Cannot read configuration file ' + netdata.options.config_filename + ': ' + e.message + ', using internal defaults.'); - netdata.options_loaded = undefined; - dumpError(e); -} - - -// apply module paths to node.js process -function applyModulePaths() { - var len = netdata.options.paths.modules.length; - while(len--) - process.mainModule.paths.unshift(netdata.options.paths.modules[len]); -} -applyModulePaths(); - - -// -------------------------------------------------------------------------------------------------------------------- -// tracing - -function dumpError(err) { - if (typeof err === 'object') { - if (err.stack) { - netdata.debug(err.stack); - } - } -} - -// -------------------------------------------------------------------------------------------------------------------- -// get command line arguments -{ - var found_myself = false; - var found_number = false; - var found_modules = false; - process.argv.forEach(function (val, index, array) { - netdata.debug('PARAM: ' + val); - - if(!found_myself) { - if(val === __filename) - found_myself = true; - } - else { - switch(val) { - case 'debug': - netdata.options.DEBUG = true; - netdata.debug('DEBUG enabled'); - break; - - default: - if(found_number === true) { - if(found_modules === false) { - for(var i in netdata.options.modules) - netdata.options.modules[i].enabled = false; - } - - if(typeof netdata.options.modules[val] === 'undefined') - netdata.options.modules[val] = {}; - - netdata.options.modules[val].enabled = true; - netdata.options.modules_enable_all = false; - netdata.debug('enabled module ' + val); - } - else { - try { - var x = parseInt(val); - if(x > 0) { - netdata.options.update_every = x; - if(netdata.options.update_every < NETDATA_UPDATE_EVERY) { - netdata.options.update_every = NETDATA_UPDATE_EVERY; - netdata.debug('Update frequency ' + x + 's is too low'); - } - - found_number = true; - netdata.debug('Update frequency set to ' + netdata.options.update_every + ' seconds'); - } - else netdata.error('Ignoring parameter: ' + val); - } - catch(e) { - netdata.error('Cannot get value of parameter: ' + val); - dumpError(e); - } - } - break; - } - } - }); -} - -if(netdata.options.update_every < 1) { - netdata.debug('Adjusting update frequency to 1 second'); - netdata.options.update_every = 1; -} - -// -------------------------------------------------------------------------------------------------------------------- -// find modules - -function findModules() { - var found = 0; - - var files = fs.readdirSync(NODE_D_DIR); - var len = files.length; - while(len--) { - var m = files[len].match('.node.js' + '$'); - if(m !== null) { - var n = files[len].substring(0, m.index); - - if(typeof(netdata.options.modules[n]) === 'undefined') - netdata.options.modules[n] = { name: n, enabled: netdata.options.modules_enable_all }; - - if(netdata.options.modules[n].enabled === true) { - netdata.options.modules[n].name = n; - netdata.options.modules[n].filename = NODE_D_DIR + '/' + files[len]; - netdata.options.modules[n].loaded = false; - - if(typeof(netdata.options.modules[n].config_filename) !== 'string') - netdata.options.modules[n].config_filename = pluginConfig(files[len]); - - // load the module - try { - netdata.debug('loading module ' + netdata.options.modules[n].filename); - netdata.options.modules[n].module = require(netdata.options.modules[n].filename); - netdata.options.modules[n].module.name = n; - netdata.debug('loaded module ' + netdata.options.modules[n].name + ' from ' + netdata.options.modules[n].filename); - } - catch(e) { - netdata.options.modules[n].enabled = false; - netdata.error('Cannot load module: ' + netdata.options.modules[n].filename + ' exception: ' + e); - dumpError(e); - continue; - } - - // load its configuration - var c = { - enable_autodetect: netdata.options.modules_enable_autodetect, - update_every: netdata.options.update_every - }; - try { - netdata.debug('loading module\'s ' + netdata.options.modules[n].name + ' config ' + netdata.options.modules[n].config_filename); - var c2 = JSON.parse(fs.readFileSync(netdata.options.modules[n].config_filename, 'utf8')); - extend(true, c, c2); - netdata.debug('loaded module\'s ' + netdata.options.modules[n].name + ' config ' + netdata.options.modules[n].config_filename); - } - catch(e) { - netdata.error('Cannot load module\'s ' + netdata.options.modules[n].name + ' config from ' + netdata.options.modules[n].config_filename + ' exception: ' + e + ', using internal defaults.'); - dumpError(e); - } - - // call module auto-detection / configuration - try { - netdata.modules_configuring++; - netdata.debug('Configuring module ' + netdata.options.modules[n].name); - var serv = netdata.configure(netdata.options.modules[n].module, c, function() { - netdata.debug('Configured module ' + netdata.options.modules[n].name); - netdata.modules_configuring--; - }); - - netdata.debug('Configuring module ' + netdata.options.modules[n].name + ' reports ' + serv + ' eligible services.'); - } - catch(e) { - netdata.modules_configuring--; - netdata.options.modules[n].enabled = false; - netdata.error('Failed module auto-detection: ' + netdata.options.modules[n].name + ' exception: ' + e + ', disabling module.'); - dumpError(e); - continue; - } - - netdata.options.modules[n].loaded = true; - found++; - } - } - } - - // netdata.debug(netdata.options.modules); - return found; -} - -if(findModules() === 0) { - netdata.error('Cannot load any .node.js module from: ' + NODE_D_DIR); - netdata.disableNodePlugin(); - process.exit(1); -} - - -// -------------------------------------------------------------------------------------------------------------------- -// start - -function start_when_configuring_ends() { - if(netdata.modules_configuring > 0) { - netdata.debug('Waiting modules configuration, still running ' + netdata.modules_configuring); - setTimeout(start_when_configuring_ends, 500); - return; - } - - netdata.modules_configuring = 0; - netdata.start(); -} -start_when_configuring_ends(); - -//netdata.debug('netdata object:') -//netdata.debug(netdata); 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