feat(MongoDB Node): Add driver info to MongoDB nodes (#18615)

packages/nodes-base/nodes/MongoDb/GenericFunctions.ts

@@ -153,8 +153,16 @@ export function stringifyObjectIDs(items: INodeExecutionData[]) {
 	return items;
 }
 
-export async function connectMongoClient(connectionString: string, credentials: IDataObject = {}) {
+export async function connectMongoClient(
+	connectionString: string,
+	nodeVersion: number,
+	credentials: IDataObject = {},
+) {
 	let client: MongoClient;
+	const driverInfo = {
+		name: 'n8n_crud',
+		version: nodeVersion > 0 ? nodeVersion.toString() : 'unknown',
+	};
 
 	if (credentials.tls) {
 		const ca = credentials.ca ? formatPrivateKey(credentials.ca as string) : undefined;
@@ -172,10 +180,10 @@ export async function connectMongoClient(connectionString: string, credentials:
 		client = await MongoClient.connect(connectionString, {
 			tls: true,
 			secureContext,
+			driverInfo,
 		});
 	} else {
-		client = await MongoClient.connect(connectionString);
+		client = await MongoClient.connect(connectionString, { driverInfo });
 	}
-
 	return client;
 }

packages/nodes-base/nodes/MongoDb/MongoDb.node.ts

@@ -75,7 +75,9 @@ export class MongoDb implements INodeType {
 						);
 					}
 
-					const client = await connectMongoClient(connectionString, credentials);
+					// Note: ICredentialTestFunctions doesn't have a way to get the Node instance
+					// so we set the version to 0
+					const client = await connectMongoClient(connectionString, 0, credentials);
 
 					const { databases } = await client.db().admin().listDatabases();
 
@@ -102,7 +104,8 @@ export class MongoDb implements INodeType {
 	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
 		const credentials = await this.getCredentials('mongoDb');
 		const { database, connectionString } = validateAndResolveMongoCredentials(this, credentials);
-		const client = await connectMongoClient(connectionString, credentials);
+		const nodeVersion = this.getNode().typeVersion;
+		const client = await connectMongoClient(connectionString, nodeVersion, credentials);
 		let returnData: INodeExecutionData[] = [];
 
 		try {
@@ -110,7 +113,6 @@ export class MongoDb implements INodeType {
 
 			const items = this.getInputData();
 			const operation = this.getNodeParameter('operation', 0);
-			const nodeVersion = this.getNode().typeVersion;
 
 			let itemsLength = items.length ? 1 : 0;
 			let fallbackPairedItems: IPairedItemData[] | null = null;

packages/nodes-base/nodes/MongoDb/test/MongoDB.test.ts

@@ -3,7 +3,11 @@ import { Collection, MongoClient } from 'mongodb';
 import type { INodeParameters, WorkflowTestData } from 'n8n-workflow';
 
 MongoClient.connect = async function () {
-	const client = new MongoClient('mongodb://localhost:27017');
+	const driverInfo = {
+		name: 'n8n_crud',
+		version: '1.2',
+	};
+	const client = new MongoClient('mongodb://localhost:27017', { driverInfo });
 	return client;
 };