mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2024-12-24 15:56:40 +00:00
112 lines
2.7 KiB
CoffeeScript
112 lines
2.7 KiB
CoffeeScript
fs = require('fs')
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async = require('async')
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request = require('request')
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posix = require('posix')
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{exec} = require('child_process')
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API_ENDPOINT = 'http://paras.rulemotion.com:1337'
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HAKI_PATH = '/home/haki'
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POLLING_INTERVAL = 30000
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try
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state = require('./state.json')
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catch e
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console.error(e)
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process.exit()
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bootstrapTasks = [
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# get config from extra partition
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(callback) ->
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try
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callback(null, require('/mnt/config.json'))
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catch error
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callback(error)
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# bootstrapping
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(config, callback) ->
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request.post("#{API_ENDPOINT}/associate", {
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json:
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user: config.id
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}, (error, response, body) ->
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if error
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return callback(error)
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if typeof body isnt 'object'
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callback(body)
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state.virgin = false
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state.uuid = body.uuid
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state.gitUrl = body.gitUrl
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console.log state
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fs.writeFileSync('state.json', JSON.stringify(state))
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fs.writeFileSync('/etc/openvpn/ca.crt', body.ca)
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fs.writeFileSync('/etc/openvpn/client.crt', body.cert)
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fs.writeFileSync('/etc/openvpn/client.key', body.key)
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fs.appendFileSync('/etc/openvpn/client.conf', "remote #{body.vpnhost} #{body.vpnport}")
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callback(null)
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)
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]
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setHakiEnv = (callback) ->
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process.setuid(posix.getpwnam('haki').uid)
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process.chdir(HAKI_PATH)
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callback()
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stage1Tasks = [
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(callback) -> async.waterfall(bootstrapTasks, callback)
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(callback) -> exec('systemctl start openvpn@client', callback)
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(callback) -> exec('systemctl enable openvpn@client', callback)
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setHakiEnv
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(callback) -> fs.mkdir('hakiapp', callback)
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(callback) -> exec('git init', cwd: 'hakiapp', callback)
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(callback) -> exec("git remote add origin #{state.gitUrl}", cwd: 'hakiapp', callback)
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(callback) -> console.log('Bootstrapped') ; callback()
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]
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updateRepo = (callback) ->
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tasks1 = [
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(callback) -> exec('git pull origin master', cwd: 'hakiapp', callback)
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(stdout, stderr, callback) -> exec('git rev-parse HEAD', cwd: 'hakiapp', callback)
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(stdout, stderr, callback) -> callback(null, stdout.trim())
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]
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tasks2 = [
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(callback) ->
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if fs.existsSync('package.json')
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exec('npm install', cwd: 'hakiapp', callback)
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else
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callback()
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(callback) ->
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if fs.existsSync('Procfile')
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exec('foreman start', cwd: 'hakiapp', callback)
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else
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callback()
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]
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async.waterfall(tasks1, (error, hash) ->
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if hash isnt state.gitHead
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state.gitHead = hash
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fs.writeFileSync('state.json', JSON.stringify(state))
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async.series(tasks2, (callback) -> setTimeout(callback, POLLING_INTERVAL))
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else
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setTimeout(callback, POLLING_INTERVAL)
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)
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stage2Tasks = [
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setHakiEnv
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(callback) -> async.forever(updateRepo, callback)
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]
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if state.virgin
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tasks = stage1Tasks.concat(stage2Tasks)
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else
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tasks = stage2Tasks
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async.series(tasks, (error, results) ->
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if (error)
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console.error(error)
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)
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