mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2025-01-28 15:13:54 +00:00
79 lines
2.4 KiB
CoffeeScript
79 lines
2.4 KiB
CoffeeScript
Promise = require 'bluebird'
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_ = require 'lodash'
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fs = Promise.promisifyAll require 'fs'
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config = require './config'
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mixpanel = require 'mixpanel'
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request = require './request'
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networkCheck = require './lib/network-check'
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blink = require('blinker')(config.ledFile)
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utils = exports
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# Parses package.json and returns resin-supervisor's version
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exports.supervisorVersion = require('../package.json').version
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mixpanelClient = mixpanel.init(config.mixpanelToken)
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exports.mixpanelProperties = mixpanelProperties =
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username: require('/boot/config.json').username
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exports.mixpanelTrack = (event, properties = {}) ->
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# Allow passing in an error directly and having it assigned to the error property.
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if properties instanceof Error
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properties = error: properties
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# If the properties has an error argument that is an Error object then it treats it nicely,
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# rather than letting it become `{}`
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if properties.error instanceof Error
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properties.error =
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message: properties.error.message
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stack: properties.error.stack
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console.log('Event:', event, JSON.stringify(properties))
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# Mutation is bad, and it should feel bad
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properties = _.assign(_.cloneDeep(properties), mixpanelProperties)
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mixpanelClient.track(event, properties)
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# Returns an array of the host's ip address(es) by parsing the host /proc/net/fib_trie
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exports.findIpAddrs = ->
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fs.readFileAsync('/mnt/fib_trie', 'utf8')
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.then (fibtrie) ->
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prevLine = ''
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fibtrie.split('\n')
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.map (line) ->
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line = line.trim()
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# We only care about LOCAL routes (not UNICAST or BROADCAST)
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if line.match(/LOCAL$/)
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# Then we make sure the previous line was an ending branch (and hence contains an IP - 127.0.0.0 has
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# BROADCAST and LOCAL entries)
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if prevLine.match(/^\|--/)
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# Then we remove the ending branch bit
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maybeAddr = prevLine.replace(/^\|--/, '').trim()
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# And ignore loopback/docker interfaces.
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# TODO: Docker interface can technically be on another address range if 172.17
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if !maybeAddr.match(/^(127.0.0.1|172.17.)/)
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ipAddr = maybeAddr
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prevLine = line
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return ipAddr
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.filter(Boolean)
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networkPattern =
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blinks: 4
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pause: 1000
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exports.blink = blink
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exports.connectivityCheck = _.once ->
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networkCheck.monitorURL
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url: config.heartbeatEndpoint
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interval: 10 * 1000
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(connected) ->
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if connected
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console.log('Internet Connectivity: OK')
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blink.pattern.stop()
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else
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console.log('Waiting for connectivity...')
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blink.pattern.start(networkPattern)
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