Add to Admin Panel / Version: Meteor version, MongoDB version, MongoDB storage engine,

MongoDB Oplog enabled.

Thanks to RocketChat developers for MongoDB detection code and xet7 for other code.

server/statistics.js

@@ -1,9 +1,13 @@
+import { MongoInternals } from 'meteor/mongo';
+
 Meteor.methods({
   getStatistics() {
     const os = require('os');
     const pjson = require('/package.json');
     const statistics = {};
-    statistics.version = pjson.version;
+    let wekanVersion = pjson.version;
+    wekanVersion = wekanVersion.replace('v', '');
+    statistics.version = wekanVersion;
     statistics.os = {
       type: os.type(),
       platform: os.platform(),
@@ -15,12 +19,50 @@ Meteor.methods({
       freemem: os.freemem(),
       cpus: os.cpus(),
     };
+    let nodeVersion = process.version;
+    nodeVersion = nodeVersion.replace('v', '');
     statistics.process = {
-      nodeVersion: process.version,
+      nodeVersion: nodeVersion,
       pid: process.pid,
       uptime: process.uptime(),
     };
-
+    // Remove beginning of Meteor release text METEOR@
+    let meteorVersion = Meteor.release;
+    meteorVersion = meteorVersion.replace('METEOR@', '');
+    statistics.meteor = {
+      meteorVersion: meteorVersion,
+    };
+    // Thanks to RocketChat for MongoDB version detection !
+    // https://github.com/RocketChat/Rocket.Chat/blob/develop/app/utils/server/functions/getMongoInfo.js
+    let mongoVersion;
+    let mongoStorageEngine;
+    let mongoOplogEnabled;
+    try {
+      const { mongo } = MongoInternals.defaultRemoteCollectionDriver();
+      oplogEnabled = Boolean(
+        mongo._oplogHandle && mongo._oplogHandle.onOplogEntry,
+      );
+      const { version, storageEngine } = Promise.await(
+        mongo.db.command({ serverStatus: 1 }),
+      );
+      mongoVersion = version;
+      mongoStorageEngine = storageEngine.name;
+      mongoOplogEnabled = oplogEnabled;
+    } catch (e) {
+      try {
+        const { version } = Promise.await(mongo.db.command({ buildinfo: 1 }));
+        mongoVersion = version;
+        mongoStorageEngine = 'unknown';
+      } catch (e) {
+        mongoVersion = 'unknown';
+        mongoStorageEngine = 'unknown';
+      }
+    }
+    statistics.mongo = {
+      mongoVersion: mongoVersion,
+      mongoStorageEngine: mongoStorageEngine,
+      mongoOplogEnabled: mongoOplogEnabled,
+    };
     return statistics;
   },
 });