balena-supervisor/src/app.coffee

99 lines
2.7 KiB
CoffeeScript

Promise = require 'bluebird'
fs = Promise.promisifyAll(require('fs'))
os = require 'os'
knex = require './db'
utils = require './utils'
{spawn} = require 'child_process'
bootstrap = require './bootstrap'
utils.mixpanelTrack('Supervisor start')
connectivityState = true # Used to prevent multiple messages when disconnected
ensureConnected = (continuous=false) ->
utils.checkConnectivity()
.then (connected) ->
if not connected
if connectivityState
console.log('Waiting for connectivity...')
connectivityState = false
interval = setInterval(utils.blink,400)
Promise.delay(2000)
.then ->
# Clear the blinks after 2 second
clearInterval(interval)
ensureConnected(continuous)
else
if not connectivityState
console.log('Internet Connectivity: OK')
connectivityState = true
if continuous
setTimeout(->
ensureConnected(continuous)
, 10 * 1000) # Every 10 seconds perform this check.
knex('config').select('value').where(key: 'uuid').then ([uuid]) ->
if not uuid?.value
console.log('New device detected. Bootstrapping..')
ensureConnected().then ->
utils.mixpanelTrack('Device bootstrap')
bootstrap()
else
uuid.value
.then (uuid) ->
# Persist the uuid in subsequent metrics
utils.mixpanelProperties.uuid = uuid
api = require './api'
application = require './application'
supervisor = require './supervisor-update'
console.log('Starting OpenVPN..')
openvpn = spawn('openvpn', ['client.conf'], cwd: '/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.error("Error starting apps:", error)
.then ->
console.log('Starting periodic check for updates..')
setInterval(->
application.update()
, 5 * 60 * 1000) # Every 5 mins
application.update()
console.log('Starting periodic check for supervisor updates..')
setInterval(->
supervisor.update()
, 5 * 60 * 1000) # Every 5 mins
supervisor.update()
updateIpAddr = ->
utils.findIpAddrs().then (ipAddrs) ->
application.updateDeviceInfo(
ip_address: ipAddrs.join(' ')
)
console.log('Starting periodic check for IP addresses..')
setInterval(updateIpAddr, 5 * 60 * 1000) # Every 5 mins
updateIpAddr()
console.log('Starting connectivity check..')
ensureConnected(true)