keep mongodb database names short

CHANGES

@@ -2069,4 +2069,5 @@
 * Remove IP nginx configuration that redirects to dashboard after activation
 * dashboard: looks for search string in app title as well
 * Add vaapi caps for transcoding
+* Fix issue where the long mongodb database names where causing app indices of rocket.chat to overflow (> 127)
 

src/addons.js

@@ -1666,8 +1666,10 @@ function setupMongoDb(app, options, callback) {
     appdb.getAddonConfigByName(app.id, 'mongodb', '%MONGODB_PASSWORD', function (error, existingPassword) {
         if (error && error.reason !== BoxError.NOT_FOUND) return callback(error);
 
+        const database = hat(8 * 8); // 16 bytes. keep this short, so as to not overflow the 127 byte index length in MongoDB < 4.4
+
         const data = {
-            database: app.id,
+            database: database,
             username: app.id,
             password: error ? hat(4 * 128) : existingPassword,
             oplog: !!options.oplog
@@ -1707,18 +1709,20 @@ function clearMongodb(app, options, callback) {
     assert.strictEqual(typeof options, 'object');
     assert.strictEqual(typeof callback, 'function');
 
-    debugApp(app, 'Clearing mongodb');
-
     getContainerDetails('mongodb', 'CLOUDRON_MONGODB_TOKEN', function (error, result) {
         if (error) return callback(error);
 
-        request.post(`https://${result.ip}:3000/databases/${app.id}/clear?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
+        appdb.getAddonConfigByName(app.id, 'mongodb', '%MONGODB_DATABASE', function (error, database) {
+            if (error) return callback(error);
+
+            request.post(`https://${result.ip}:3000/databases/${database}/clear?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
                 if (error) return callback(new BoxError(BoxError.ADDONS_ERROR, `Network error clearing mongodb: ${error.message}`));
                 if (response.statusCode !== 200) return callback(new BoxError(BoxError.ADDONS_ERROR, `Error clearing mongodb. Status code: ${response.statusCode} message: ${response.body.message}`));
 
                 callback();
             });
         });
+    });
 }
 
 function teardownMongoDb(app, options, callback) {
@@ -1726,18 +1730,21 @@ function teardownMongoDb(app, options, callback) {
     assert.strictEqual(typeof options, 'object');
     assert.strictEqual(typeof callback, 'function');
 
-    debugApp(app, 'Tearing down mongodb');
-
     getContainerDetails('mongodb', 'CLOUDRON_MONGODB_TOKEN', function (error, result) {
         if (error) return callback(error);
 
-        request.delete(`https://${result.ip}:3000/databases/${app.id}?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
+        appdb.getAddonConfigByName(app.id, 'mongodb', '%MONGODB_DATABASE', function (error, database) {
+            if (error && error.reason === BoxError.NOT_FOUND) return callback(null);
+            if (error) return callback(error);
+
+            request.delete(`https://${result.ip}:3000/databases/${database}?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
                 if (error) return callback(new BoxError(BoxError.ADDONS_ERROR, `Error tearing down mongodb: ${error.message}`));
                 if (response.statusCode !== 200) return callback(new BoxError(BoxError.ADDONS_ERROR, `Error tearing down mongodb. Status code: ${response.statusCode} message: ${response.body.message}`));
 
                 appdb.unsetAddonConfig(app.id, 'mongodb', callback);
             });
         });
+    });
 }
 
 function backupMongoDb(app, options, callback) {
@@ -1750,9 +1757,13 @@ function backupMongoDb(app, options, callback) {
     getContainerDetails('mongodb', 'CLOUDRON_MONGODB_TOKEN', function (error, result) {
         if (error) return callback(error);
 
-        const url = `https://${result.ip}:3000/databases/${app.id}/backup?access_token=${result.token}`;
+        appdb.getAddonConfigByName(app.id, 'mongodb', '%MONGODB_DATABASE', function (error, database) {
+            if (error) return callback(error);
+
+            const url = `https://${result.ip}:3000/databases/${database}/backup?access_token=${result.token}`;
             pipeRequestToFile(url, dumpPath('mongodb', app.id), callback);
         });
+    });
 }
 
 function restoreMongoDb(app, options, callback) {
@@ -1767,10 +1778,13 @@ function restoreMongoDb(app, options, callback) {
     getContainerDetails('mongodb', 'CLOUDRON_MONGODB_TOKEN', function (error, result) {
         if (error) return callback(error);
 
+        appdb.getAddonConfigByName(app.id, 'mongodb', '%MONGODB_DATABASE', function (error, database) {
+            if (error) return callback(error);
+
             const readStream = fs.createReadStream(dumpPath('mongodb', app.id));
             readStream.on('error', (error) => callback(new BoxError(BoxError.FS_ERROR, `Error reading input stream when restoring mongodb: ${error.message}`)));
 
-        const restoreReq = request.post(`https://${result.ip}:3000/databases/${app.id}/restore?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
+            const restoreReq = request.post(`https://${result.ip}:3000/databases/${database}/restore?access_token=${result.token}`, { json: true, rejectUnauthorized: false }, function (error, response) {
                 if (error) return callback(new BoxError(BoxError.ADDONS_ERROR, `Error restoring mongodb: ${error.message}`));
                 if (response.statusCode !== 200) return callback(new BoxError(BoxError.ADDONS_ERROR, `Error restoring mongodb. Status code: ${response.statusCode} message: ${response.body.message}`));
 
@@ -1779,6 +1793,7 @@ function restoreMongoDb(app, options, callback) {
 
             readStream.pipe(restoreReq);
         });
+    });
 }
 
 function startRedis(existingInfra, callback) {