f7e63e50c9
- CDK stack for Sea Haven Industries internal Slack assistant - Bedrock Agent (Claude 3.5 Sonnet) with QBO + Google Maps action groups - VectorKnowledgeBase via @cdklabs/generative-ai-cdk-constructs (AOSS + S3) - Slack webhook/processor Lambdas with DM-only filtering - API Gateway HTTP API on bot.seahaven.com - DynamoDB conversation log with 90-day TTL - Secrets Manager references for Slack, QBO OAuth, and Google Maps
51 lines
2.1 KiB
TypeScript
51 lines
2.1 KiB
TypeScript
import * as cdk from 'aws-cdk-lib';
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import { Construct } from 'constructs';
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import * as s3 from 'aws-cdk-lib/aws-s3';
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import { bedrock } from '@cdklabs/generative-ai-cdk-constructs';
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export interface KnowledgeBaseProps {
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accountId: string;
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region: string;
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}
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export class KnowledgeBaseConstruct extends Construct {
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public readonly knowledgeBase: bedrock.VectorKnowledgeBase;
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public readonly dataSource: bedrock.S3DataSource;
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public readonly docsBucket: s3.Bucket;
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constructor(scope: Construct, id: string, props: KnowledgeBaseProps) {
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super(scope, id);
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// S3 bucket for SA8000 docs, SOPs, and employee handbook
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this.docsBucket = new s3.Bucket(this, 'DocsBucket', {
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bucketName: `seahaven-kb-docs-${props.accountId}`,
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encryption: s3.BucketEncryption.S3_MANAGED,
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blockPublicAccess: s3.BlockPublicAccess.BLOCK_ALL,
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versioned: true,
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removalPolicy: cdk.RemovalPolicy.RETAIN,
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});
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// VectorKnowledgeBase from @cdklabs/generative-ai-cdk-constructs handles:
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// - AOSS collection with correct encryption/network/access policies
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// - IAM execution role
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// - kNN vector index creation via built-in custom resource
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// - Bedrock Knowledge Base creation once the index is ready
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this.knowledgeBase = new bedrock.VectorKnowledgeBase(this, 'KnowledgeBase', {
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embeddingsModel: bedrock.BedrockFoundationModel.TITAN_EMBED_TEXT_V2_1024,
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name: 'seahaven-kb',
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description: 'SA8000 compliance docs, SOPs, and employee handbook',
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instruction: 'Use this knowledge base to answer questions about Sea Haven Industries company policies, SOPs, SA8000 social accountability compliance requirements, approved vendor lists, and the employee handbook.',
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});
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// S3 data source — chunking configured via ChunkingStrategy.fixedSize()
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this.dataSource = new bedrock.S3DataSource(this, 'S3DataSource', {
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bucket: this.docsBucket,
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knowledgeBase: this.knowledgeBase,
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dataSourceName: 'seahaven-s3-docs',
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chunkingStrategy: bedrock.ChunkingStrategy.fixedSize({
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maxTokens: 512,
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overlapPercentage: 20,
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}),
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});
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}
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}
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