Use new metrics package

services/web/app.coffee

@@ -3,6 +3,8 @@ logger = require 'logger-sharelatex'
 logger.initialize("web-sharelatex")
 logger.logger.serializers.user = require("./app/js/infrastructure/LoggerSerializers").user
 logger.logger.serializers.project = require("./app/js/infrastructure/LoggerSerializers").project
+metrics = require("metrics-sharelatex")
+metrics.initialize("web")
 Server = require("./app/js/infrastructure/Server")
 BackgroundTasks = require("./app/js/infrastructure/BackgroundTasks")
 Errors = require "./app/js/errors"

services/web/app/coffee/infrastructure/Metrics.coffee

@@ -1,27 +1 @@
-StatsD = require('lynx')
+module.exports = require("metrics-sharelatex")
-settings = require('settings-sharelatex')
-statsd = new StatsD('localhost', 8125, {on_error:->})
-
-buildKey = (key)-> "web.#{process.env.NODE_ENV}.#{key}"
-
-module.exports =
-	set : (key, value, sampleRate = 1)->
-		statsd.set buildKey(key), value, sampleRate
-
-	inc : (key, sampleRate = 1)->
-		statsd.increment buildKey(key), sampleRate
-
-	timing: (key, timeSpan, sampleRate)->
-		statsd.timing(key, timeSpan, sampleRate)
-
-	Timer : class
-		constructor :(key, sampleRate = 1)->
-			this.start = new Date()
-			this.key = buildKey(key)
-		done:->
-			timeSpan = new Date - this.start
-			statsd.timing(this.key, timeSpan, this.sampleRate)
-
-	gauge : (key, value, sampleRate = 1)->
-		statsd.gauge key, value, sampleRate
-

services/web/app/coffee/infrastructure/Monitor.coffee

@@ -1,5 +0,0 @@
-require("./Monitor/MongoDB").monitor()
-
-exports.logger = require("./Monitor/HTTP").logger
-	
-

services/web/app/coffee/infrastructure/Monitor/HTTP.coffee

@@ -1,30 +0,0 @@
-settings = require("settings-sharelatex")
-logger = require "logger-sharelatex"
-os = require("os")
-metrics = require("../Metrics")
-
-module.exports.logger = (req, res, next) ->
-	startTime = new Date()
-	end = res.end
-	res.end = () ->
-		end.apply(this, arguments)
-		responseTime = new Date() - startTime
-		routePath = req.route.path.toString().replace(/\//g, '-').slice(1)
-
-		processName = if settings.internal.web.name? then "web-#{settings.internal.web.name}" else "web"
-		key = "#{os.hostname()}.#{processName}.#{routePath}".toLowerCase().trim()
-		logger.log
-			req:
-				url: req.originalUrl || req.url
-				method: req.method
-				key:key
-				referrer: req.headers['referer'] || req.headers['referrer']
-				"remote-addr": req.ip || req.socket?.socket?.remoteAddress || req.socket?.remoteAddress
-				"user-agent": req.headers["user-agent"]
-				"content-length": req.headers["content-length"]
-			res:
-				"content-length": res._headers?["content-length"]
-				"response-time": responseTime
-			"http request"
-	next()
-

services/web/app/coffee/infrastructure/Monitor/MongoDB.coffee

@@ -1,57 +0,0 @@
-Connection = require("mongoose/node_modules/mongodb/lib/mongodb/connection/connection").Connection
-MongoReply = require("mongoose/node_modules/mongodb/lib/mongodb/responses/mongo_reply").MongoReply
-Metrics = require("../Metrics")
-logger = require "logger-sharelatex"
-_ = require("underscore")
-
-connectionMonitor =
-	newConnection: (id, db) ->
-		Metrics.inc "mongo-requests"
-		@connections[id] =
-			timer: new Metrics.Timer("mongo-request-times")
-			db: db
-			start: new Date()
-		setTimeout (=> @connectionDone(id)), 60000
-
-	connectionDone: (id) ->
-
-		queryIsNoise = (query)->
-			isNoise = false
-			if query? && _.isObject(query)
-				keys = _.keys(query)
-				if keys[0] == "ismaster" or keys[0] == "ping"
-					isNoise = true
-			return isNoise
-
-		logItOut = (db)->
-			logger.log
-				request_id: db.requestId,
-				query: db.query,
-				collection: db.collectionName,
-				"response-time": new Date() - start
-				"mongo request"
-
-
-
-		if @connections[id]?
-			@connections[id].timer.done()
-			db = @connections[id].db
-			start = @connections[id].start
-			if !queryIsNoise(db.query)
-				logItOut(db)
-			delete @connections[id]
-
-	connections: {}
-
-monkeyPatchMongo = () ->
-	write = Connection::write
-	Connection::write = (db) ->
-		write.apply(this, arguments)
-		connectionMonitor.newConnection db.requestId, db
-
-	parseHeader = MongoReply::parseHeader
-	MongoReply::parseHeader = () ->
-		parseHeader.apply this, arguments
-		connectionMonitor.connectionDone this.responseTo
-
-module.exports.monitor = monkeyPatchMongo

services/web/app/coffee/infrastructure/Server.coffee

@@ -1,3 +1,4 @@
+Path = require "path"
 express = require('express')
 Settings = require('settings-sharelatex')
 logger = require 'logger-sharelatex'
@@ -16,7 +17,8 @@ cookieParser = express.cookieParser(Settings.security.sessionSecret)
 oneDayInMilliseconds = 86400000
 ReferalConnect = require('../Features/Referal/ReferalConnect')
 
-Monitor = require "./Monitor"
+metrics.mongodb.monitor(Path.resolve(__dirname + "/../../../node_modules/mongojs/node_modules/mongodb"), logger)
+metrics.mongodb.monitor(Path.resolve(__dirname + "/../../../node_modules/mongoose/node_modules/mongodb"), logger)
 
 Settings.editorIsOpen ||= true
 
@@ -69,7 +71,7 @@ app.configure 'production', ->
 	logger.info "Production Enviroment"
 	app.enable('view cache')
 
-app.use Monitor.logger
+app.use metrics.http.monitor(logger)
 
 app.use (req, res, next)->
 	metrics.inc "http-request"

services/web/package.json

@@ -25,6 +25,7 @@
     "bufferedstream": "1.6.0",
     "settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git#master",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#master",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#master",
     "soa-req-id": "git+https://github.com/sharelatex/soa-req-id.git#master",
     "fairy": "0.0.2",
     "node-uuid": "1.4.1",