elasticsearch-watchdog/lib/web/index.js

A watchdog of elasticsearch - cluster nodes' statuses monitor, auto restart, keep PRIMARY node unique.

var express = require('express'),
    swig    = require('swig'),
    path    = require('path'),
    chalk   = require('chalk'),
    _       = require('lodash'),
    mon     = require('../util/mon');

module.exports = function(port){
  var app = express();

  // all environments
  app.set('view engine', 'html');
  app.set('views', path.join(__dirname, 'views'));
  app.engine('html', swig.renderFile);
  app.use(express.static(path.join(__dirname, 'public')));

  // router

  // get all processes.
  app.get('/', function(req, res, next){
    res.redirect('/html')
  });
  app.get('/:type', function(req, res, next){
    if (req.params.type == 'json') {
      mon.list(false, function(err, data){
        if (err) {
          return res.json({error: err.message});
        }
        res.status(200).json(data);
      });
    } else {
      res.render('index', {title: 'Puppies'});
    }
  });

  if (!port || isNaN(port)) {
    port = 8088;
  }
  app.listen(port);
  console.log('\n', chalk.bold('Watchdog server is listening on port ') + chalk.bold.magenta(port), '\n');
}