Adapt for metrics v2

services/docstore/app.coffee

@@ -1,4 +1,5 @@
 Metrics    = require "metrics-sharelatex"
+Metrics.initialize("docstore")
 Settings   = require "settings-sharelatex"
 logger     = require "logger-sharelatex"
 express    = require "express"
@@ -7,7 +8,7 @@ Errors     = require "./app/js/Errors"
 HttpController = require "./app/js/HttpController"
 Path       = require "path"
 
-Metrics.initialize("docstore")
+
 logger.initialize("docstore")
 Metrics.event_loop?.monitor(logger)
 
@@ -15,6 +16,8 @@ app = express()
 
 app.use Metrics.http.monitor(logger)
 
+Metrics.injectMetricsRoute(app)
+
 app.param 'project_id', (req, res, next, project_id) ->
 	if project_id?.match /^[0-9a-f]{24}$/
 		next()
@@ -60,4 +63,4 @@ if !module.parent # Called directly
 		throw error if error?
 		logger.info "Docstore starting up, listening on #{host}:#{port}"
 
-module.exports = app
+module.exports = app

services/docstore/package.json

@@ -26,7 +26,7 @@
     "coffee-script": "^1.12.7",
     "express": "~4.1.1",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.4.0",
-    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v2.0.10",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v2.0.12",
     "mongojs": "2.4.0",
     "settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git#v1.0.0",
     "underscore": "~1.6.0"