balena-supervisor/src/app.coffee

Promise = require 'bluebird'
fs = Promise.promisifyAll(require('fs'))
os = require 'os'
api = require './api'
knex = require './db'
utils = require './utils'
Docker = require 'dockerode'
crypto = require 'crypto'
{spawn} = require 'child_process'
bootstrap = require './bootstrap'
application = require './application'

console.log('Supervisor started..')

# Connect to the host docker instance
docker = Promise.promisifyAll(new Docker(socketPath: '/hostrun/docker.sock'))

newUuid = utils.getDeviceUuid()
oldUuid = knex('config').select('value').where(key: 'uuid')

Promise.all([newUuid, oldUuid]).then(([newUuid, [oldUuid]]) ->
	oldUuid = oldUuid?.value
	if newUuid is oldUuid
		return true

	console.log('New device detected. Bootstrapping..')
	return bootstrap(newUuid)
).then(->
	console.log('Starting OpenVPN..')
	openvpn = spawn('openvpn', ['client.conf'], cwd: '/supervisor/data')

	# Prefix and log all OpenVPN output
	openvpn.stdout.on('data', (data) ->
		prefix = 'OPENVPN: '
		console.log((prefix + data).trim().replace(/\n/gm, "\n#{prefix}"))
	)

	# Prefix and log all OpenVPN output
	openvpn.stderr.on('data', (data) ->
		prefix = 'OPENVPN: '
		console.log((prefix + data).trim().replace(/\n/gm, "\n#{prefix}"))
	)

	console.log('Starting API server..')
	api.listen(80)

	console.log('Starting Apps..')
	knex('app').select().then((apps) ->
		Promise.all(apps.map(application.start))
	).catch((error) ->
		console.log(error)
	)
)