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ack-host v0.8.0

Common node hosting functionality to help reduce deployment of repetitious server functionality

ack-host

Common node hosting functionality to help reduce deployment of repetitious server functionality

Table of Contents

Examples

Simple Example

var path = require('path')
var ackHost = require('ack-host')
var options = require('./ssl-options-file.json')//adds ssl keys to options

// create http site that relocates to https
ackHost.host(80, 'webapp.com').secure()

// create https server that will serve static files on www path or relocates to www path
ackHost.host(443, 'webapp.com', options)
.static('www', path.join(__dirname,'www'))
.relocate('index.html','www/')// relocate all other requests to an index

//start hosting two ports 80 and 443
ackHost.start()
.then(config=>console.log('started on ports', Object.keys(config)))
.catch(e=>console.error('Coult Not Start Server',e))

Robust Example

var path = require('path')
var ackHost = require('ack-host')
var options = require('./ssl-options-file.json')//adds ssl keys to options

// create http server site relocates to https
ackHost.host(80, 'webapp.com').secure()

ackHost.host(443, 'webapp.com', options)
.logging()
.noRobots()
.timeout(2000)
.cors()
.static('www', path.join(__dirname,'www'))
.ignoreFavors()
.compress()
.logging('/admin', {stream:process.stdout})
.localNetworkOnly('/admin/index.html')
.respond('/admin/index.html', 'You have come to the admin place')
.closeProductionErrors('/admin')
.consoleNonProductionErrors('/dev')
.throw('/test-error-throw', 'Not a place you should be!')
.relocate('/toGoogle', 'http://google.com')
.respond('/index.html','you have come to the right place')
.relocate('/index.html')

//start hosting two ports 80 and 443
ackHost.start()
.then(config=>console.log('started on ports', Object.keys(config)))
.catch(e=>console.error('Coult Not Start Server',e))

Documentation

Host

Most barebones provided method of http hosting. Barely any server assumptions. Registers and returns connect app

const app = ackHost.host(port, host, options)
  • Arguments
    • port Number|Array-of-Numbers - port or ports to listen on
    • host String|Arrray-of-String - host names to listen for requests
    • options
      • cert String - for ssl
      • key String - for ssl
      • SNICallback Function - for ssl

API

Assumes timeout of 10 seconds. A 404 will be thrown when no route is matched. Registers and returns express app

const app = ackHost.api(port, host, options)
  • Arguments
    • port Number|Array-of-Numbers - port or ports to listen on
    • host String|Arrray-of-String - host names to listen for requests
    • options
      • timeout Number = 10000
      • cert String - for ssl
      • key String - for ssl
      • SNICallback Function - for ssl

Website

Assumes timeout of 30 seconds. A 404 will be thrown when no route is matched. Client input such as form data, is always pre-parsed. Registers and returns express app

const app = ackHost.website(port, host, options)
  • Arguments
    • port Number|Array-of-Numbers - port or ports to listen on
    • host String|Arrray-of-String - host names to listen for requests
    • options
      • timeout Number = 10000
      • cert String - for ssl
      • key String - for ssl
      • SNICallback Function - for ssl

Express

Registers and returns express app

const app = ackHost.express(port, host, options)
  • Arguments
    • port Number|Array-of-Numbers - port or ports to listen on
    • host String|Arrray-of-String - host names to listen for requests
    • options
      • cert String - for ssl
      • key String - for ssl
      • SNICallback Function - for ssl

start

All sites registered with ack-host, will now be started

require('ack-host')
.start(port=>console.log('port started:',port))
.then(config=>console.log('all ports started:',Object.keys(config)))

startOnePort

Great for forcing server to start on first available port

require('ack-host')
.host([8080,8081,8082])
.startOnePort(port=>console.log('Found open port:',port))
.then(config=>console.log('only one port started'))

Built-in Middleware

Using on of the hosting methods above (host/api/website/express), you can invoke any of the following functionality.

.secure

Relocate http to https

app.secure()

.noRobots

WHEN route matches //robots.txt$/ THEN responds with text/plain message of "User-agent: *\rDisallow: /"

app.noRobots(2000)

.timeout

request timeout

app.timeout(2000)

.static

serve static client files in directory named assets

app.static('www', path.join(__dirname,'www'))

.cors

enable cross origin requests from all domains

app.cors()

.ignoreFavors

ignore favicon like requests

app.ignoreFavors()

.compress

gzip responses where possible

app.compress()

.localNetworkOnly

Only allow local area network requests to /admin path

app.localNetworkOnly('/admin')

.logging

Log all requests to /admin path. Stream option not required and auto defaults to console.log aka process.stdout

app.logging('/admin', {stream:process.stdout})

.closeProductionErrors

if code breaks in admin path respond 500 with little info

app.closeProductionErrors('/admin')

.consoleNonProductionErrors

if code breaks in dev path respond 500 with a lot of info

app.consoleNonProductionErrors('/dev')

.throw

throw 500 with custom message to /xxx path requests

app.throw('/xxx', 'Not a place you should be!')

.relocate

relocate one path

app.relocate('/toGoogle', 'http://google.com')

relocate all other requests to an index

app.relocate('index.html')

Route Metadata

Create route explanation and defintions using GET, POST, PUT, DELETE or USE metadata.

.meta()

  • details String - route descriptive details
  • sample
    • params Object - Key value pair to fill in path :params
    • request String|Object|Array|Function - request body to be used with sample test. When Function, the function is called for its request body data
    • response String|Function-Returns-String - response body to be used to fake a server response during sample testing
    • test Boolean|Object
      • cases Array-of-Functions|Function(response,assert)
      • only Boolean
      • skip Boolean
      • timeout Number = 2000 - how long to wait before test is aborted

Route Metadata Example

const ackHost = require('ack-host')
const port = 3000

//create arbitrary server
const app = ackHost.api(port).logging().timeout(2000).cors()

app.get('/index.html', ackHost.router.respond('you have come to the right place'))
.meta({
  details:"main page of our website",
  sample:()=>({
    test:{
      only:true,
      cases:[(response,assert)=>{
        assert.equal(response.body, 'you have come to the right place')
      }]
    }
  })
})

app.get('/admin/index.html', ackHost.router.respond('you have come to the admin'))
.meta({
  details:"admin page of our website",
  sample:()=>({
    test:{skip:true},
    cases:(response,assert)=>{
      assert.equal(response.body, 'you have come to the right place')
    }
  })
})

app.get('/:id/data.json', (req,res)=>res.json({hello:'world '+req.params.id}))
.meta({
  details:"main page of our website",
  sample:()=>({
    test:{
      only:false, skip:false,
      params:{id:234},
      cases:[(response,assert)=>{
        assert.equal(response.body, '{"hello":"world 234"}')
      }]
    }
  })
})

Testing

Test server apps registered through ack-host

Testing Options

  • port : Number = all-ports
  • host : String = localhost
  • method : String (GET|POST|PUT|DELETE)
  • logTo : Object = console.log - not yet implemented

Large Test Example

const ackHost = require('ack-host')
const port = 3000

//create arbitrary server
const app = ackHost.api(port).logging().timeout(2000).cors()

app.use(/\/robots\.txt/, ackHost.router.noRobots())
.meta({
  details:"prevents robots from crawling our site",
  sample:()=>({
    path:"/robots.txt",
    test:true
  })
})

app.get('/index.html', ackHost.router.respond('you have come to the right place'))
.meta({
  details:"main page of our website",
  sample:()=>({
    test:true
  })
})

app.use( ackHost.router.relocate('/index.html') )
.meta({
  details:"redirects users to our index page",
  sample:()=>({
    test:true
  })
})

ackHost.startAndTest()
.then(results=>{
  console.log('Finished Testing Ports:', Object.keys(results))
  
  for(var port in results){
    console.log('Port Passing', port, results[port].passing.length)
    console.log('Port Failing', port, results[port].failing.length)
  }
})
.catch(e=>console.error('Coult Not Start and Test Server',e))

Start Server and Test

Will start ack-host server and then test all defined server apps

ackHost.startAndTest(options)

Test Server Already Running

Will test all defined apps against already running server

ackHost.test(options)

Test Server Already Running With Limited Routes by Apps

Will test provided apps against already running server

ackHost.testApps(apps,options)

Metadata

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