feat: Update Pinecone Vector Store node to support serverless environments (#8849)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>

packages/@n8n/nodes-langchain/credentials/PineconeApi.credentials.ts

@@ -21,13 +21,6 @@ export class PineconeApi implements ICredentialType {
 			required: true,
 			default: '',
 		},
-		{
-			displayName: 'Environment',
-			name: 'environment',
-			type: 'string',
-			required: true,
-			default: 'us-central1-gcp',
-		},
 	];
 
 	authenticate: IAuthenticateGeneric = {
@@ -41,7 +34,7 @@ export class PineconeApi implements ICredentialType {
 
 	test: ICredentialTestRequest = {
 		request: {
-			baseURL: '=https://controller.{{$credentials.environment}}.pinecone.io/databases',
+			baseURL: 'https://api.pinecone.io/indexes',
 			headers: {
 				accept: 'application/json; charset=utf-8',
 			},

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStorePinecone/VectorStorePinecone.node.ts

@@ -124,7 +124,13 @@ export const VectorStorePinecone = createVectorStoreNode({
 		const pineconeIndex = client.Index(index);
 
 		if (options.pineconeNamespace && options.clearNamespace) {
-			await pineconeIndex.namespace(options.pineconeNamespace).deleteAll();
+			const namespace = pineconeIndex.namespace(options.pineconeNamespace);
+			try {
+				await namespace.deleteAll();
+			} catch (error) {
+				// Namespace doesn't exist yet
+				context.logger.info(`Namespace ${options.pineconeNamespace} does not exist yet`);
+			}
 		}
 
 		await PineconeStore.fromDocuments(documents, embeddings, {

packages/@n8n/nodes-langchain/package.json

@@ -142,7 +142,7 @@
     "@langchain/redis": "^0.0.2",
     "@n8n/typeorm": "0.3.20-3",
     "@n8n/vm2": "3.9.20",
-    "@pinecone-database/pinecone": "2.0.1",
+    "@pinecone-database/pinecone": "2.1.0",
     "@qdrant/js-client-rest": "1.7.0",
     "@supabase/supabase-js": "2.38.5",
     "@xata.io/client": "0.28.0",