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Add Google Vertex AI credential support to GoogleVertexAI node

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This commit is contained in:
Yongtae
2023-08-08 13:06:38 +09:00
parent 812077c2aa
commit f7894ed4bf
3 changed files with 88 additions and 8 deletions
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packages/components/nodes/chatmodels/GoogleVertexAI/GoogleVertexAI.ts
+32 -7
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@@ -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<any> {
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
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<GoogleVertexAIChatInput> = {
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
}
}