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Refactor google credentials into a shared function (#4893)

This commit is contained in:
Karl Stoney 2025-07-24 21:06:30 +02:00 committed by GitHub
parent a3f47af027
commit 00342bde88
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4 changed files with 46 additions and 69 deletions
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29
packages/components/nodes/chatmodels/ChatGoogleVertexAI/ChatGoogleVertexAI.ts
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@ -1,5 +1,6 @@
import { BaseCache } from '@langchain/core/caches'
import { ChatVertexAIInput, ChatVertexAI as LcChatVertexAI } from '@langchain/google-vertexai'
import { buildGoogleCredentials } from '../../../src/google-utils'
import {
ICommonObject,
IMultiModalOption,
@ -10,7 +11,7 @@ import {
IVisionChatModal
} from '../../../src/Interface'
import { getModels, getRegions, MODEL_TYPE } from '../../../src/modelLoader'
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { getBaseClasses } from '../../../src/utils'
const DEFAULT_IMAGE_MAX_TOKEN = 8192
const DEFAULT_IMAGE_MODEL = 'gemini-1.5-flash-latest'
@ -184,27 +185,6 @@ class GoogleVertexAI_ChatModels implements INode {
}
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)
const authOptions: ICommonObject = {}
if (Object.keys(credentialData).length !== 0) {
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error('Please specify your Google Application Credential')
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error(
'Error: More than one component has been inputted. Please use only one of the following: Google Application Credential File Path or Google Credential JSON Object'
)
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 modelName = nodeData.inputs?.modelName as string
const customModelName = nodeData.inputs?.customModelName as string
@ -229,7 +209,10 @@ class GoogleVertexAI_ChatModels implements INode {
modelName: customModelName || modelName,
streaming: streaming ?? true
}
if (Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
const authOptions = await buildGoogleCredentials(nodeData, options)
if (authOptions && Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
if (maxOutputTokens) obj.maxOutputTokens = parseInt(maxOutputTokens, 10)
if (topP) obj.topP = parseFloat(topP)
if (cache) obj.cache = cache

28
packages/components/nodes/embeddings/GoogleVertexAIEmbedding/GoogleVertexAIEmbedding.ts
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@ -1,7 +1,8 @@
import { GoogleVertexAIEmbeddingsInput, VertexAIEmbeddings } from '@langchain/google-vertexai'
import { buildGoogleCredentials } from '../../../src/google-utils'
import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
import { MODEL_TYPE, getModels, getRegions } from '../../../src/modelLoader'
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { getBaseClasses } from '../../../src/utils'
class GoogleVertexAIEmbedding_Embeddings implements INode {
label: string
@ -63,33 +64,16 @@ class GoogleVertexAIEmbedding_Embeddings implements INode {
}
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
const credentialData = await getCredentialData(nodeData.credential ?? '', options)
const modelName = nodeData.inputs?.modelName as string
const region = nodeData.inputs?.region as string
const googleApplicationCredentialFilePath = getCredentialParam('googleApplicationCredentialFilePath', credentialData, nodeData)
const googleApplicationCredential = getCredentialParam('googleApplicationCredential', credentialData, nodeData)
const projectID = getCredentialParam('projectID', credentialData, nodeData)
const authOptions: any = {}
if (Object.keys(credentialData).length !== 0) {
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error('Please specify your Google Application Credential')
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error(
'Error: More than one component has been inputted. Please use only one of the following: Google Application Credential File Path or Google Credential JSON Object'
)
if (googleApplicationCredentialFilePath && !googleApplicationCredential)
authOptions.keyFile = googleApplicationCredentialFilePath
else if (!googleApplicationCredentialFilePath && googleApplicationCredential)
authOptions.credentials = JSON.parse(googleApplicationCredential)
if (projectID) authOptions.projectId = projectID
}
const obj: GoogleVertexAIEmbeddingsInput = {
model: modelName
}
if (Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
const authOptions = await buildGoogleCredentials(nodeData, options)
if (authOptions && Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
if (region) obj.location = region
const model = new VertexAIEmbeddings(obj)

29
packages/components/nodes/llms/GoogleVertexAI/GoogleVertexAI.ts
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@ -1,8 +1,9 @@
import { BaseCache } from '@langchain/core/caches'
import { VertexAI, VertexAIInput } from '@langchain/google-vertexai'
import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { getBaseClasses } from '../../../src/utils'
import { getModels, MODEL_TYPE } from '../../../src/modelLoader'
import { buildGoogleCredentials } from '../../../src/google-utils'
class GoogleVertexAI_LLMs implements INode {
label: string
@ -83,28 +84,6 @@ class GoogleVertexAI_LLMs implements INode {
}
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)
const authOptions: any = {}
if (Object.keys(credentialData).length !== 0) {
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error('Please specify your Google Application Credential')
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error(
'Error: More than one component has been inputted. Please use only one of the following: Google Application Credential File Path or Google Credential JSON Object'
)
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 modelName = nodeData.inputs?.modelName as string
const maxOutputTokens = nodeData.inputs?.maxOutputTokens as string
@ -115,7 +94,9 @@ class GoogleVertexAI_LLMs implements INode {
temperature: parseFloat(temperature),
model: modelName
}
if (Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
const authOptions = await buildGoogleCredentials(nodeData, options)
if (authOptions && Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
if (maxOutputTokens) obj.maxOutputTokens = parseInt(maxOutputTokens, 10)
if (topP) obj.topP = parseFloat(topP)

29
packages/components/src/google-utils.ts Normal file
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@ -0,0 +1,29 @@
import { getCredentialData, getCredentialParam, type ICommonObject, type INodeData } from '.'
import type { ChatVertexAIInput, VertexAIInput } from '@langchain/google-vertexai'
type SupportedAuthOptions = ChatVertexAIInput['authOptions'] | VertexAIInput['authOptions']
export const buildGoogleCredentials = async (nodeData: INodeData, options: ICommonObject): Promise<SupportedAuthOptions | null> => {
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)
const authOptions: any = {}
if (Object.keys(credentialData).length !== 0) {
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error('Please specify your Google Application Credential')
if (!googleApplicationCredentialFilePath && !googleApplicationCredential)
throw new Error(
'Error: More than one component has been inputted. Please use only one of the following: Google Application Credential File Path or Google Credential JSON Object'
)
if (googleApplicationCredentialFilePath && !googleApplicationCredential) authOptions.keyFile = googleApplicationCredentialFilePath
else if (!googleApplicationCredentialFilePath && googleApplicationCredential)
authOptions.credentials = JSON.parse(googleApplicationCredential)
if (projectID) authOptions.projectId = projectID
}
return authOptions
}