From f7894ed4bf86a149d3e17c46186dd69bc4e69c1a Mon Sep 17 00:00:00 2001 From: Yongtae Date: Tue, 8 Aug 2023 13:06:38 +0900 Subject: [PATCH] Add Google Vertex AI credential support to GoogleVertexAI node --- .../credentials/GoogleAuth.credential.ts | 55 +++++++++++++++++++ .../GoogleVertexAI/GoogleVertexAI.ts | 39 ++++++++++--- packages/components/package.json | 2 +- 3 files changed, 88 insertions(+), 8 deletions(-) create mode 100644 packages/components/credentials/GoogleAuth.credential.ts diff --git a/packages/components/credentials/GoogleAuth.credential.ts b/packages/components/credentials/GoogleAuth.credential.ts new file mode 100644 index 000000000..16b8e3b3f --- /dev/null +++ b/packages/components/credentials/GoogleAuth.credential.ts @@ -0,0 +1,55 @@ +import { INodeParams, INodeCredential } from '../src/Interface' + +class GoogleVertexAuth implements INodeCredential { + label: string + name: string + version: number + inputs: INodeParams[] + + constructor() { + this.label = 'Google Vertex Auth' + this.name = 'googleVertexAuth' + this.version = 1.0 + this.inputs = [ + { + label: 'Google Application Credential File Path', + name: 'googleApplicationCredentialFilePath', + description: + 'Path to your google application credential json file. You can also use the credential JSON object (either one)', + placeholder: 'your-path/application_default_credentials.json', + type: 'string', + optional: true + }, + { + label: 'Google Credential JSON Object', + name: 'googleApplicationCredential', + description: 'JSON object of your google application credential. You can also use the file path (either one)', + placeholder: `{ + "type": ..., + "project_id": ..., + "private_key_id": ..., + "private_key": ..., + "client_email": ..., + "client_id": ..., + "auth_uri": ..., + "token_uri": ..., + "auth_provider_x509_cert_url": ..., + "client_x509_cert_url": ... +}`, + type: 'string', + rows: 4, + optional: true + }, + { + label: 'Project ID', + name: 'projectID', + description: 'Project ID of GCP. If not provided, it will be read from the credential file', + type: 'string', + optional: true, + additionalParams: true + } + ] + } +} + +module.exports = { credClass: GoogleVertexAuth } diff --git a/packages/components/nodes/chatmodels/GoogleVertexAI/GoogleVertexAI.ts b/packages/components/nodes/chatmodels/GoogleVertexAI/GoogleVertexAI.ts index 693cb2bc4..a06ce0c95 100644 --- a/packages/components/nodes/chatmodels/GoogleVertexAI/GoogleVertexAI.ts +++ b/packages/components/nodes/chatmodels/GoogleVertexAI/GoogleVertexAI.ts @@ -1,6 +1,7 @@ -import { INode, INodeData, INodeParams } from '../../../src/Interface' -import { getBaseClasses } from '../../../src/utils' +import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface' +import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils' import { ChatGoogleVertexAI, GoogleVertexAIChatInput } from 'langchain/chat_models/googlevertexai' +import { GoogleAuthOptions } from 'google-auth-library' class GoogleVertexAI_ChatModels implements INode { label: string @@ -23,6 +24,12 @@ class GoogleVertexAI_ChatModels implements INode { this.category = 'Chat Models' this.description = 'Wrapper around VertexAI large language models that use the Chat endpoint' this.baseClasses = [this.type, ...getBaseClasses(ChatGoogleVertexAI)] + this.credential = { + label: 'Connect Credential', + name: 'credential', + type: 'credential', + credentialNames: ['googleVertexAuth'] + } this.inputs = [ { label: 'Model Name', @@ -68,22 +75,40 @@ class GoogleVertexAI_ChatModels implements INode { ] } - async init(nodeData: INodeData, _: string): Promise { + async init(nodeData: INodeData, _: string, options: ICommonObject): Promise { + const credentialData = await getCredentialData(nodeData.credential ?? '', options) + const googleApplicationCredentialFilePath = getCredentialParam('googleApplicationCredentialFilePath', credentialData, nodeData) + const googleApplicationCredential = getCredentialParam('googleApplicationCredential', credentialData, nodeData) + const projectID = getCredentialParam('projectID', credentialData, nodeData) + + if (!googleApplicationCredentialFilePath && !googleApplicationCredential) + throw new Error('Please specify your Google Application Credential') + if (googleApplicationCredentialFilePath && googleApplicationCredential) + throw new Error('Please use either Google Application Credential File Path or Google Credential JSON Object') + + const authOptions: GoogleAuthOptions = {} + if (googleApplicationCredentialFilePath && !googleApplicationCredential) authOptions.keyFile = googleApplicationCredentialFilePath + else if (!googleApplicationCredentialFilePath && googleApplicationCredential) + authOptions.credentials = JSON.parse(googleApplicationCredential) + + if (projectID) authOptions.projectId = projectID + const temperature = nodeData.inputs?.temperature as string - const model = nodeData.inputs?.modelName as string + const modelName = nodeData.inputs?.modelName as string const maxOutputTokens = nodeData.inputs?.maxOutputTokens as string const topP = nodeData.inputs?.topP as string const obj: Partial = { temperature: parseFloat(temperature), - model + model: modelName, + authOptions } if (maxOutputTokens) obj.maxOutputTokens = parseInt(maxOutputTokens, 10) if (topP) obj.topP = parseFloat(topP) - const chat_model = new ChatGoogleVertexAI(obj) - return chat_model + const model = new ChatGoogleVertexAI(obj) + return model } } diff --git a/packages/components/package.json b/packages/components/package.json index cb8d757aa..afcfd3618 100644 --- a/packages/components/package.json +++ b/packages/components/package.json @@ -39,7 +39,7 @@ "google-auth-library": "^9.0.0", "graphql": "^16.6.0", "html-to-text": "^9.0.5", - "langchain": "^0.0.117", + "langchain": "^0.0.122", "linkifyjs": "^4.1.1", "mammoth": "^1.5.1", "moment": "^2.29.3",