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add bedrock embeddings

This commit is contained in:
Henry 2023-10-11 14:08:04 +01:00
parent 4a09185195
commit 536ed07f9d
5 changed files with 167 additions and 33 deletions
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23
packages/components/nodes/chatmodels/AWSBedrock/AWSChatBedrock.ts
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@ -31,7 +31,7 @@ class AWSChatBedrock_ChatModels implements INode {
this.type = 'AWSChatBedrock'
this.icon = 'awsBedrock.png'
this.category = 'Chat Models'
this.description = 'Wrapper around AWS Bedrock large language models'
this.description = 'Wrapper around AWS Bedrock large language models that use the Chat endpoint'
this.baseClasses = [this.type, ...getBaseClasses(ChatBedrock)]
this.credential = {
label: 'AWS Credential',
@ -88,27 +88,18 @@ class AWSChatBedrock_ChatModels implements INode {
{ label: 'us-west-1', name: 'us-west-1' },
{ label: 'us-west-2', name: 'us-west-2' }
],
default: 'us-east-1',
optional: false
default: 'us-east-1'
},
{
label: 'Model Name',
name: 'model',
type: 'options',
options: [
{ label: 'amazon.titan-tg1-large', name: 'amazon.titan-tg1-large' },
{ label: 'amazon.titan-e1t-medium', name: 'amazon.titan-e1t-medium' },
{ label: 'stability.stable-diffusion-xl', name: 'stability.stable-diffusion-xl' },
{ label: 'ai21.j2-grande-instruct', name: 'ai21.j2-grande-instruct' },
{ label: 'ai21.j2-jumbo-instruct', name: 'ai21.j2-jumbo-instruct' },
{ label: 'ai21.j2-mid', name: 'ai21.j2-mid' },
{ label: 'ai21.j2-ultra', name: 'ai21.j2-ultra' },
{ label: 'anthropic.claude-instant-v1', name: 'anthropic.claude-instant-v1' },
{ label: 'anthropic.claude-v1', name: 'anthropic.claude-v1' },
{ label: 'anthropic.claude-v2', name: 'anthropic.claude-v2' }
],
default: 'anthropic.claude-v2',
optional: false
default: 'anthropic.claude-v2'
},
{
label: 'Temperature',
@ -117,8 +108,7 @@ class AWSChatBedrock_ChatModels implements INode {
step: 0.1,
description: 'Temperature parameter may not apply to certain model. Please check available model parameters',
optional: true,
default: 0.7,
additionalParams: false
default: 0.7
},
{
label: 'Max Tokens to Sample',
@ -126,9 +116,8 @@ class AWSChatBedrock_ChatModels implements INode {
type: 'number',
step: 10,
description: 'Max Tokens parameter may not apply to certain model. Please check available model parameters',
optional: false,
default: 200,
additionalParams: false
optional: true,
default: 200
}
]
}

152
packages/components/nodes/embeddings/AWSBedrockEmbedding/AWSBedrockEmbedding.ts Normal file
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@ -0,0 +1,152 @@
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { BedrockEmbeddings, BedrockEmbeddingsParams } from 'langchain/embeddings/bedrock'
import { BedrockRuntimeClient, InvokeModelCommand } from '@aws-sdk/client-bedrock-runtime'
class AWSBedrockEmbedding_Embeddings implements INode {
label: string
name: string
version: number
type: string
icon: string
category: string
description: string
baseClasses: string[]
credential: INodeParams
inputs: INodeParams[]
constructor() {
this.label = 'AWS Bedrock Embeddings'
this.name = 'AWSBedrockEmbeddings'
this.version = 1.0
this.type = 'AWSBedrockEmbeddings'
this.icon = 'awsBedrock.png'
this.category = 'Embeddings'
this.description = 'AWSBedrock embedding models to generate embeddings for a given text'
this.baseClasses = [this.type, ...getBaseClasses(BedrockEmbeddings)]
this.credential = {
label: 'AWS Credential',
name: 'credential',
type: 'credential',
credentialNames: ['awsApi'],
optional: true
}
this.inputs = [
{
label: 'Region',
name: 'region',
type: 'options',
options: [
{ label: 'af-south-1', name: 'af-south-1' },
{ label: 'ap-east-1', name: 'ap-east-1' },
{ label: 'ap-northeast-1', name: 'ap-northeast-1' },
{ label: 'ap-northeast-2', name: 'ap-northeast-2' },
{ label: 'ap-northeast-3', name: 'ap-northeast-3' },
{ label: 'ap-south-1', name: 'ap-south-1' },
{ label: 'ap-south-2', name: 'ap-south-2' },
{ label: 'ap-southeast-1', name: 'ap-southeast-1' },
{ label: 'ap-southeast-2', name: 'ap-southeast-2' },
{ label: 'ap-southeast-3', name: 'ap-southeast-3' },
{ label: 'ap-southeast-4', name: 'ap-southeast-4' },
{ label: 'ap-southeast-5', name: 'ap-southeast-5' },
{ label: 'ap-southeast-6', name: 'ap-southeast-6' },
{ label: 'ca-central-1', name: 'ca-central-1' },
{ label: 'ca-west-1', name: 'ca-west-1' },
{ label: 'cn-north-1', name: 'cn-north-1' },
{ label: 'cn-northwest-1', name: 'cn-northwest-1' },
{ label: 'eu-central-1', name: 'eu-central-1' },
{ label: 'eu-central-2', name: 'eu-central-2' },
{ label: 'eu-north-1', name: 'eu-north-1' },
{ label: 'eu-south-1', name: 'eu-south-1' },
{ label: 'eu-south-2', name: 'eu-south-2' },
{ label: 'eu-west-1', name: 'eu-west-1' },
{ label: 'eu-west-2', name: 'eu-west-2' },
{ label: 'eu-west-3', name: 'eu-west-3' },
{ label: 'il-central-1', name: 'il-central-1' },
{ label: 'me-central-1', name: 'me-central-1' },
{ label: 'me-south-1', name: 'me-south-1' },
{ label: 'sa-east-1', name: 'sa-east-1' },
{ label: 'us-east-1', name: 'us-east-1' },
{ label: 'us-east-2', name: 'us-east-2' },
{ label: 'us-gov-east-1', name: 'us-gov-east-1' },
{ label: 'us-gov-west-1', name: 'us-gov-west-1' },
{ label: 'us-west-1', name: 'us-west-1' },
{ label: 'us-west-2', name: 'us-west-2' }
],
default: 'us-east-1'
},
{
label: 'Model Name',
name: 'model',
type: 'options',
options: [{ label: 'amazon.titan-embed-text-v1', name: 'amazon.titan-embed-text-v1' }],
default: 'amazon.titan-embed-text-v1'
}
]
}
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
const iRegion = nodeData.inputs?.region as string
const iModel = nodeData.inputs?.model as string
const obj: BedrockEmbeddingsParams = {
model: iModel,
region: iRegion
}
const credentialData = await getCredentialData(nodeData.credential ?? '', options)
if (credentialData && Object.keys(credentialData).length !== 0) {
const credentialApiKey = getCredentialParam('awsKey', credentialData, nodeData)
const credentialApiSecret = getCredentialParam('awsSecret', credentialData, nodeData)
const credentialApiSession = getCredentialParam('awsSession', credentialData, nodeData)
obj.credentials = {
accessKeyId: credentialApiKey,
secretAccessKey: credentialApiSecret,
sessionToken: credentialApiSession
}
}
const client = new BedrockRuntimeClient({
region: obj.region,
credentials: obj.credentials
})
const model = new BedrockEmbeddings(obj)
// Avoid Illegal Invocation
model.embedQuery = async (document: string): Promise<number[]> => {
return await embedText(document, client, iModel)
}
model.embedDocuments = async (documents: string[]): Promise<number[][]> => {
return Promise.all(documents.map((document) => embedText(document, client, iModel)))
}
return model
}
}
const embedText = async (text: string, client: BedrockRuntimeClient, model: string): Promise<number[]> => {
// replace newlines, which can negatively affect performance.
const cleanedText = text.replace(/\n/g, ' ')
const res = await client.send(
new InvokeModelCommand({
modelId: model,
body: JSON.stringify({
inputText: cleanedText
}),
contentType: 'application/json',
accept: 'application/json'
})
)
try {
const body = new TextDecoder().decode(res.body)
return JSON.parse(body).embedding
} catch (e) {
throw new Error('An invalid response was returned by Bedrock.')
}
}
module.exports = { nodeClass: AWSBedrockEmbedding_Embeddings }

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packages/components/nodes/embeddings/AWSBedrockEmbedding/awsBedrock.png Normal file
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22
packages/components/nodes/llms/AWSBedrock/AWSBedrock.ts
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@ -88,8 +88,7 @@ class AWSBedrock_LLMs implements INode {
{ label: 'us-west-1', name: 'us-west-1' },
{ label: 'us-west-2', name: 'us-west-2' }
],
default: 'us-east-1',
optional: false
default: 'us-east-1'
},
{
label: 'Model Name',
@ -98,17 +97,12 @@ class AWSBedrock_LLMs implements INode {
options: [
{ label: 'amazon.titan-tg1-large', name: 'amazon.titan-tg1-large' },
{ label: 'amazon.titan-e1t-medium', name: 'amazon.titan-e1t-medium' },
{ label: 'stability.stable-diffusion-xl', name: 'stability.stable-diffusion-xl' },
{ label: 'cohere.command-text-v14', name: 'cohere.command-text-v14' },
{ label: 'ai21.j2-grande-instruct', name: 'ai21.j2-grande-instruct' },
{ label: 'ai21.j2-jumbo-instruct', name: 'ai21.j2-jumbo-instruct' },
{ label: 'ai21.j2-mid', name: 'ai21.j2-mid' },
{ label: 'ai21.j2-ultra', name: 'ai21.j2-ultra' },
{ label: 'anthropic.claude-instant-v1', name: 'anthropic.claude-instant-v1' },
{ label: 'anthropic.claude-v1', name: 'anthropic.claude-v1' },
{ label: 'anthropic.claude-v2', name: 'anthropic.claude-v2' }
],
default: 'anthropic.claude-v2',
optional: false
{ label: 'ai21.j2-ultra', name: 'ai21.j2-ultra' }
]
},
{
label: 'Temperature',
@ -117,8 +111,7 @@ class AWSBedrock_LLMs implements INode {
step: 0.1,
description: 'Temperature parameter may not apply to certain model. Please check available model parameters',
optional: true,
default: 0.7,
additionalParams: false
default: 0.7
},
{
label: 'Max Tokens to Sample',
@ -126,9 +119,8 @@ class AWSBedrock_LLMs implements INode {
type: 'number',
step: 10,
description: 'Max Tokens parameter may not apply to certain model. Please check available model parameters',
optional: false,
default: 200,
additionalParams: false
optional: true,
default: 200
}
]
}

3
packages/components/package.json
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@ -16,6 +16,7 @@
},
"license": "SEE LICENSE IN LICENSE.md",
"dependencies": {
"@aws-sdk/client-bedrock-runtime": "3.422.0",
"@aws-sdk/client-dynamodb": "^3.360.0",
"@dqbd/tiktoken": "^1.0.7",
"@getzep/zep-js": "^0.6.3",
@ -45,7 +46,7 @@
"graphql": "^16.6.0",
"html-to-text": "^9.0.5",
"ioredis": "^5.3.2",
"langchain": "^0.0.157",
"langchain": "^0.0.165",
"langfuse-langchain": "^1.0.14-alpha.0",
"langsmith": "^0.0.32",
"linkifyjs": "^4.1.1",