api.js

var extend = require('node.extend'),
    redis = require("redis"),
	client = redis.createClient();

exports.viewHost = function(req, res){
    client.hgetall(req.params.hostName, function (err, replies) {
        res.json(extend({host: req.params.hostName}, replies));
    });
};

exports.addHost = function(req, res){
    client.sadd("hosts", req.params.hostName, function(err, replies) {
        ;
    });

    client.hset(req.params.hostName, "ip", req.ip, redis.print);
    client.hset(req.params.hostName, "updated", (new Date).getTime(), redis.print);
    res.send(req.params.hostName + " Added!");
};

exports.deleteHost = function(req, res){
    client.srem('hosts', req.params.hostName, redis.print);
    client.del($host, function (err, numRemoved) {
        console.log(numRemoved);
    });
};

app.js

/**
 * Module dependencies.
 */

var express = require('express');
var routes = require('./routes');
var user = require('./routes/user');
var api = require('./routes/api');
var http = require('http');
var path = require('path');

var app = express();

// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.json());
app.use(express.urlencoded());
app.use(express.methodOverride());
app.use(app.router);
app.use(require('less-middleware')({ src: path.join(__dirname, 'public') }));
app.use(express.static(path.join(__dirname, 'public')));

// development only
if ('development' == app.get('env')) {
  app.use(express.errorHandler());
}

app.get('/', routes.index);
app.get('/users', user.list);
app.post('/users', user.addUsers);
app.get('/api/:hostName', api.viewHost);
app.post('/api/:hostName', api.addHost);
app.del('/api/:hostName', api.deleteHost);

http.createServer(app).listen(app.get('port'), function(){
  console.log('Express server listening on port ' + app.get('port'));
});