feat: Add metadata to mongodb client

spec/GridFSBucketStorageAdapter.spec.js

@@ -475,4 +475,14 @@ describe_only_db('mongo')('GridFSBucket', () => {
       expect(e.message).toEqual('Client must be connected before running operations');
     }
   });
+
+  it('pass metadata to MongoClient', async () => {
+    const pkg = require('../package.json');
+    const gfsAdapter = new GridFSBucketAdapter(databaseURI);
+    await gfsAdapter._connect();
+    expect(gfsAdapter._client.s.options.driverInfo).toEqual({
+      name: 'Parse Server',
+      version: pkg.version,
+    });
+  });
 });

spec/MongoStorageAdapter.spec.js

@@ -449,6 +449,16 @@ describe_only_db('mongo')('MongoStorageAdapter', () => {
     expect(schemaAfterDeletion.fields.test).toBeUndefined();
   });
 
+  it('pass metadata to MongoClient', async () => {
+    const pkg = require('../package.json');
+    const adapter = new MongoStorageAdapter({ uri: databaseURI });
+    await adapter.connect();
+    expect(adapter.client.s.options.driverInfo).toEqual({
+      name: 'Parse Server',
+      version: pkg.version,
+    });
+  });
+
   if (process.env.MONGODB_TOPOLOGY === 'replicaset') {
     describe('transactions', () => {
       const headers = {

src/Adapters/Files/GridFSBucketAdapter.js

@@ -10,6 +10,7 @@
 import { MongoClient, GridFSBucket, Db } from 'mongodb';
 import { FilesAdapter, validateFilename } from './FilesAdapter';
 import defaults, { ParseServerDatabaseOptions } from '../../defaults';
+import pkg from '../../../package.json';
 const crypto = require('crypto');
 
 export class GridFSBucketAdapter extends FilesAdapter {
@@ -45,7 +46,12 @@ export class GridFSBucketAdapter extends FilesAdapter {
 
   _connect() {
     if (!this._connectionPromise) {
-      this._connectionPromise = MongoClient.connect(this._databaseURI, this._mongoOptions).then(
+      // Add wrapping library metadata.
+      const driverInfo = {
+        name: 'Parse Server',
+        version: pkg.version,
+      };
+      this._connectionPromise = MongoClient.connect(this._databaseURI, { ...this._mongoOptions, driverInfo }).then(
         client => {
           this._client = client;
           return client.db(client.s.options.dbName);

src/Adapters/Storage/Mongo/MongoStorageAdapter.js

@@ -19,6 +19,7 @@ import _ from 'lodash';
 import defaults, { ParseServerDatabaseOptions } from '../../../defaults';
 import logger from '../../../logger';
 import Utils from '../../../Utils';
+import pkg from '../../../../package.json';
 
 // @flow-disable-next
 const mongodb = require('mongodb');
@@ -179,7 +180,12 @@ export class MongoStorageAdapter implements StorageAdapter {
     // parsing and re-formatting causes the auth value (if there) to get URI
     // encoded
     const encodedUri = formatUrl(parseUrl(this._uri));
-    this.connectionPromise = MongoClient.connect(encodedUri, this._mongoOptions)
+    // Add wrapping library metadata.
+    const driverInfo = {
+      name: 'Parse Server',
+      version: pkg.version,
+    }
+    this.connectionPromise = MongoClient.connect(encodedUri, { ...this._mongoOptions, driverInfo })
       .then(client => {
         // Starting mongoDB 3.0, the MongoClient.connect don't return a DB anymore but a client
         // Fortunately, we can get back the options and use them to select the proper DB.