Add HipChat notifier role.

lib/roles/notify/hipchat.js

@@ -0,0 +1,81 @@
+var util = require('util')
+
+var Hipchatter = require('hipchatter')
+var Promise = require('bluebird')
+var zmq = require('zmq')
+
+var logger = require('../../util/logger')
+var wire = require('../../wire')
+var wireutil = require('../../util/wireutil')(wire)
+
+module.exports = function(options) {
+  var log = logger.createLogger('notify-hipchat')
+  var client = Promise.promisifyAll(new Hipchatter(options.token))
+  var buffer = []
+    , timer
+
+  // Input
+  var sub = zmq.socket('sub')
+  options.endpoints.sub.forEach(function(endpoint) {
+    log.info('Receiving input from %s', endpoint)
+    sub.connect(endpoint)
+  })
+
+  // Establish always-on channels
+  ;[wireutil.log].forEach(function(channel) {
+    log.info('Subscribing to permanent channel "%s"', channel)
+    sub.subscribe(channel)
+  })
+
+  sub.on('message', function(channel, data) {
+    var wrapper = wire.Envelope.decode(data)
+    switch (wrapper.type) {
+      case wire.MessageType.DEVICE_LOG:
+        var message = wire.DeviceLogMessage.decode(wrapper.message)
+        if (message.priority >= options.priority) {
+          buffer.push(message)
+          clearTimeout(timer)
+          timer = setTimeout(push, 1000)
+        }
+        break
+    }
+  })
+
+  function push() {
+    var messages = buffer.splice(0).map(function(entry) {
+      return util.format(
+        '<strong>%s</strong>/<strong>%s</strong> %d [<strong>%s</strong>] %s'
+      , logger.LevelLabel[entry.priority]
+      , entry.tag
+      , entry.pid
+      , entry.identifier
+      , entry.message
+      )
+    })
+
+    log.info('Sending %d message(s)', messages.length)
+
+    return client.notifyAsync(process.env.HIPCHAT_ROOM, {
+      message: messages.join('<br>')
+    , color: 'purple'
+    , notify: true
+    , message_format: 'html'
+    , token: process.env.HIPCHAT_TOKEN
+    })
+  }
+
+  function gracefullyExit() {
+    process.exit(0)
+  }
+
+  process.on('SIGINT', function() {
+    gracefullyExit()
+  })
+
+  process.on('SIGTERM', function() {
+    gracefullyExit()
+  })
+
+  log.info('Listening for %s (or higher) level log messages',
+    logger.LevelLabel[options.priority])
+}