Move device logs pubnub event to config

lib/actions/logs.coffee

@@ -32,7 +32,7 @@ exports.logs = (uuid) ->
 		# all other actions from exiting on completion
 		pubnub = PubNub.init(resin.config.pubnub)
 
-		channel = "device-#{uuid}-logs"
+		channel = helpers.template(resin.config.events.deviceLogs, { uuid })
 
 		pubnub.history
 			count: LOGS_HISTORY_COUNT

lib/helpers/helpers.coffee

@@ -12,3 +12,6 @@ exports.isDeviceUUIDValid = (uuid, callback) ->
 		return callback?(error) if error?
 		uuidExists = _.findWhere(devices, { uuid })?
 		return callback(null, uuidExists)
+
+exports.template = (template, data) ->
+	return _.template(template, data)

lib/helpers/helpers.spec.coffee

@@ -63,3 +63,22 @@ describe 'Helpers:', ->
 				expect(error).to.not.exist
 				expect(isValid).to.be.false
 				done()
+
+	describe '#template()', ->
+
+		templateString = 'Hello, <%= name %>'
+		templateData = name: 'John Doe'
+
+		it 'should call _.template', ->
+			templateSpy = sinon.spy(_, 'template')
+			helpers.template(templateString, templateData)
+
+			expect(templateSpy).to.have.been.calledOnce
+			expect(templateSpy).to.have.been.calledWithExactly(templateString, templateData)
+
+			templateSpy.restore()
+
+		it 'should correctly compute the result', ->
+			result = helpers.template(templateString, templateData)
+			expectedResult = _.template(templateString, templateData)
+			expect(result).to.equal(expectedResult)

lib/resin/config.coffee

@@ -18,6 +18,9 @@ config =
 		publish_key: 'pub-c-6cbce8db-bfd1-4fdf-a8c8-53671ae2b226'
 		ssl: true
 
+	events:
+		deviceLogs: 'device-<%= uuid %>-logs'
+
 config.pluginsDirectory = path.join(config.dataPrefix, 'plugins')
 
 config.urls =