[misc] bump metrics module to 3.4.1

- renamed package from `metrics-sharelatex` to `@overleaf/metrics`
- drop support for statsd backend
- decaffeinate
- compress `/metrics` response using gzip
- bump debugging agents to latest versions
- expose prometheus interfaces for custom metrics (custom tags)
- cleanup of open sockets metrics
- fix deprecation warnings for header access

services/spelling/app.js

@@ -5,7 +5,7 @@
  * DS207: Consider shorter variations of null checks
  * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
  */
-const metrics = require('metrics-sharelatex')
+const metrics = require('@overleaf/metrics')
 metrics.initialize('spelling')
 
 const Settings = require('settings-sharelatex')

services/spelling/app/js/ASpellWorker.js

@@ -9,7 +9,7 @@
  */
 const childProcess = require('child_process')
 const logger = require('logger-sharelatex')
-const metrics = require('metrics-sharelatex')
+const metrics = require('@overleaf/metrics')
 const _ = require('underscore')
 const OError = require('@overleaf/o-error')
 

services/spelling/app/js/ASpellWorkerPool.js

@@ -10,7 +10,7 @@
 const ASpellWorker = require('./ASpellWorker')
 const _ = require('underscore')
 const logger = require('logger-sharelatex')
-const metrics = require('metrics-sharelatex')
+const metrics = require('@overleaf/metrics')
 const OError = require('@overleaf/o-error')
 
 class ASpellWorkerPool {

services/spelling/app/js/LearnedWordsManager.js

@@ -1,7 +1,7 @@
 const { db } = require('./mongodb')
 const mongoCache = require('./MongoCache')
 const logger = require('logger-sharelatex')
-const metrics = require('metrics-sharelatex')
+const metrics = require('@overleaf/metrics')
 const { promisify } = require('util')
 const OError = require('@overleaf/o-error')
 

services/spelling/app/js/SpellingAPIController.js

@@ -1,6 +1,6 @@
 const SpellingAPIManager = require('./SpellingAPIManager')
 const logger = require('logger-sharelatex')
-const metrics = require('metrics-sharelatex')
+const metrics = require('@overleaf/metrics')
 const OError = require('@overleaf/o-error')
 
 function extractCheckRequestData(req) {

services/spelling/package.json

@@ -24,6 +24,7 @@
   },
   "version": "0.1.4",
   "dependencies": {
+    "@overleaf/metrics": "^3.4.1",
     "@overleaf/o-error": "^3.0.0",
     "async": "^2.6.3",
     "body-parser": "^1.19.0",
@@ -31,7 +32,6 @@
     "express": "^4.17.1",
     "logger-sharelatex": "^2.2.0",
     "lru-cache": "^5.1.1",
-    "metrics-sharelatex": "^2.6.2",
     "mongodb": "^3.6.0",
     "node-statsd": "0.1.1",
     "request": "^2.88.2",

services/spelling/test/unit/js/ASpellTests.js

@@ -23,7 +23,7 @@ describe('ASpell', function () {
           info() {},
           err() {}
         },
-        'metrics-sharelatex': {
+        '@overleaf/metrics': {
           gauge() {},
           inc() {}
         }

services/spelling/test/unit/js/ASpellWorkerTests.js

@@ -20,7 +20,7 @@ describe('ASpellWorker', function () {
             info() {},
             err() {}
           },
-          'metrics-sharelatex': {
+          '@overleaf/metrics': {
             gauge() {},
             inc() {}
           },

services/spelling/test/unit/js/LearnedWordsManagerTests.js

@@ -33,7 +33,7 @@ describe('LearnedWordsManager', function () {
           err() {},
           info() {}
         },
-        'metrics-sharelatex': {
+        '@overleaf/metrics': {
           timeAsyncMethod: sinon.stub(),
           inc: sinon.stub()
         }