mountie

0.0.1 • Public • Published

mountie

Compose web servers behind host headers and mount paths using seaport and bouncy.

build status

example

First write a mountie hub:

var mountie = require('mountie');
var seaport = require('seaport');
 
var ports = seaport.createServer({ secret : 'beep boop' });
ports.listen(7000);
 
var server = mountie(ports);
server.listen(80);

Next write web servers that register themselves to listen on hostnames:

var http = require('http');
var ports = require('seaport').connect(7000, { secret : 'beep boop' });
 
var server = http.createServer(function (req, res) {
    res.end('hello cruel world\n');
});
 
ports.service('web.localhost', function (port, ready) {
    server.listen(port, ready);
});

and additional web servers can sit at specific mount points (or on entirely different host names):

var http = require('http');
var ports = require('seaport').connect(7000, { secret : 'beep boop' });
 
var server = http.createServer(function (req, res) {
    res.end('boop\n');
});
 
ports.service('web.localhost', { mount : '/beep' }, function (port, ready) {
    server.listen(port, ready);
});

Then spin up all the processes (in any order) and everything should just work!

$ curl http://localhost/
hello cruel world
$ curl http://localhost/beep
boop
$ curl http://localhost/xyz
hello cruel world

Attach as many web servers as you want! Just register them with seaport and mountie will figure everything out dynamically at runtime.

methods

var mountie = require('mountie')

var server = mountie(ports, opts)

Create a new bouncy instance server that you can .listen() on. The server object is extended with the methods documented below.

ports must be a seaport server object created with seaport.createServer() or with pier, not a handle created with seaport.connect().

You can specify an opts.prefix to control how the naming for web services in seaport works. By default, opts.prefix is 'web'.

When an incoming request comes in, mountie first searches for mounted routes, then for services registered as opts.prefix + '.' + req.headers.host and a mount field, then for services without a mount field but a matching host prefix.

When you mount web servers with the mount field, the leading mount value gets sliced off the req.url so that you can more easily juggle mounted servers around without changing the mount values in as many places.

All other opts are passed directly to bouncy.

server.mount(opts, cb)

Attach additional custom logic for handling mounts to be run before handling entries from seaport. The options in opts control the matching and when a request matches, cb(req, bounce) fires with the request object req and the bouncy bounce() function.

When opts is a function, it will be used as a comparison function that should return true or false if the req object passed into it matches.

When opts is not an object it will be interpreted as the opts.path value.

When opts.path is a regexp, matching is determined by .test(req.url).

When opts.path is a string, matching is determined by whether the opts.path is a path prefix of the req.url.

You can use opts.method to add an additional restriction on the http method.

install

With npm do:

npm install mountie

license

MIT

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npm i mountie

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Version

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License

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