install metrics route and bump metrics version

services/document-updater/app.coffee

@@ -1,3 +1,6 @@
+Metrics = require "metrics-sharelatex"
+Metrics.initialize("doc-updater")
+
 express = require('express')
 http = require("http")
 Settings = require('settings-sharelatex')
@@ -14,8 +17,7 @@ Errors = require "./app/js/Errors"
 HttpController = require "./app/js/HttpController"
 
 Path = require "path"
-Metrics = require "metrics-sharelatex"
-Metrics.initialize("doc-updater")
+
 Metrics.mongodb.monitor(Path.resolve(__dirname + "/node_modules/mongojs/node_modules/mongodb"), logger)
 Metrics.event_loop.monitor(logger, 100)
 

services/document-updater/package.json

@@ -25,7 +25,7 @@
     "express": "3.3.4",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.5.6",
     "lynx": "0.0.11",
-    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.5.0",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v2.0.7",
     "redis-sharelatex": "git+https://github.com/sharelatex/redis-sharelatex.git#v1.0.4",
     "request": "2.25.0",
     "requestretry": "^1.12.0",