thinkable-ducks/munin.js

supervisor-controlled image for useful-wind

// Generated by CoffeeScript 2.4.1
(function() {
  var Zappa, build_config, debug, name, pkg, ref, run;

  pkg = require('./package');

  this.name = `${pkg.name}:munin`;

  debug = (require('debug'))(this.name);

  // Web Services for Munin
  // ======================
  run = function(cfg) {
    var base, base1, base2, config, port, ref;
    if (cfg.munin == null) {
      cfg.munin = {};
    }
    if ((base = cfg.munin).host == null) {
      base.host = (ref = process.env.MUNIN_HOST) != null ? ref : '127.0.0.1';
    }
    port = null;
    if (process.env.MUNIN_PORT != null) {
      port = parseInt(process.env.MUNIN_PORT);
      if (isNaN(port)) {
        port = null;
      }
    }
    if ((base1 = cfg.munin).port == null) {
      base1.port = port != null ? port : 3950;
    }
    if ((base2 = cfg.munin).io == null) {
      base2.io = false;
    }
    config = build_config(cfg);
    return Zappa(cfg.munin, function() {
      this.get('/autoconf', function() {
        this.send('yes\n');
      });
      this.get('/config', function() {
        this.send(config);
      });
      return this.get('/', function() {
        var memory, text;
        memory = process.memoryUsage();
        text = `multigraph ${name}_node_uptime\n${name}_node_uptime.value ${process.uptime()}\n\nmultigraph ${name}_node_memory\n${name}_node_memory_rss.value ${memory.rss}\n${name}_node_memory_heap_total.value ${memory.heapTotal}\n${name}_node_memory_heap_used.value ${memory.heapUsed}\n\nmultigraph ${name}_hugeplay\n`;
        return this.send(text);
      });
    });
  };

  // Munin Configuration
  // ===================
  name = (ref = process.env.MUNIN_NAME) != null ? ref : 'freeswitch';

  build_config = function(cfg) {
    var text;
    text = `multigraph ${name}_node_uptime\ngraph_args --base 1000 -l 0\ngraph_category voice\ngraph_scale no\ngraph_title Node.js uptime\ngraph_vlabel seconds\n${name}_node_uptime.label uptime\n${name}_node_uptime.draw AREA\n\nmultigraph ${name}_node_memory\ngraph_args --base 1024 -l 0\ngraph_category voice\ngraph_title Node.js memory\ngraph_vlabel bytes\n${name}_node_memory_rss.label rss\n${name}_node_memory_rss.min 0\n${name}_node_memory_heap_total.label heap (total)\n${name}_node_memory_heap_total.min 0\n${name}_node_memory_heap_used.label heap (used)\n${name}_node_memory_heap_used.min 0\n\nmultigraph ${name}_hugeplay\ngraph_args --base 1000 -l 0\ngraph_category voice\ngraph_title Durations\ngraph_vlabel \${graph_period}\n`;
    return text;
  };

  // Toolbox
  // =======
  Zappa = require('core-zappa');

  module.exports = run;

}).call(this);