use static values for tags

Author: anthony-nhs

packages/cdk/constructs/OpenSearchCollection.ts

@@ -1,5 +1,6 @@
 import {Construct} from "constructs"
 import {CfnCollection, CfnSecurityPolicy, CfnAccessPolicy} from "aws-cdk-lib/aws-opensearchserverless"
+import {Tags} from "aws-cdk-lib"
 
 export interface OpenSearchCollectionProps {
   readonly collectionName: string
@@ -61,17 +62,21 @@ export class OpenSearchCollection extends Construct {
     })
 
     // Vector search collection for document embeddings
-    this.collection = new CfnCollection(this, "Collection", {
+    const collection = new CfnCollection(this, "Collection", {
       name: props.collectionName,
       description: "EPS Assist Vector Store",
       type: "VECTORSEARCH"
     })
 
+    // set static values for commit and version tags to stop it being recreated
+    Tags.of(collection).add("commit", "static_value")
+    Tags.of(collection).add("version", "static_value")
     // Ensure collection waits for all policies
-    this.collection.addDependency(encryptionPolicy)
-    this.collection.addDependency(networkPolicy)
-    this.collection.addDependency(accessPolicy)
+    collection.addDependency(encryptionPolicy)
+    collection.addDependency(networkPolicy)
+    collection.addDependency(accessPolicy)
 
-    this.endpoint = `${this.collection.attrId}.${this.collection.stack.region}.aoss.amazonaws.com`
+    this.endpoint = `${collection.attrId}.${collection.stack.region}.aoss.amazonaws.com`
+    this.collection = collection
   }
 }

packages/cdk/stacks/EpsAssistMeStack.ts

@@ -84,15 +84,15 @@ export class EpsAssistMeStack extends Stack {
     const endpoint = openSearchResources.collection.endpoint
 
     // Create VectorKnowledgeBase construct with Bedrock execution role
-    const vectorKB = new VectorKnowledgeBaseResources(this, "VectorKB", {
-      stackName: props.stackName,
-      docsBucket: storage.kbDocsBucket.bucket,
-      bedrockExecutionRole: bedrockExecutionRole.role,
-      collectionArn: openSearchResources.collection.collectionArn,
-      vectorIndexName: VECTOR_INDEX_NAME,
-      region,
-      account
-    })
+    // const vectorKB = new VectorKnowledgeBaseResources(this, "VectorKB", {
+    //   stackName: props.stackName,
+    //   docsBucket: storage.kbDocsBucket.bucket,
+    //   bedrockExecutionRole: bedrockExecutionRole.role,
+    //   collectionArn: openSearchResources.collection.collectionArn,
+    //   vectorIndexName: VECTOR_INDEX_NAME,
+    //   region,
+    //   account
+    // })
 
     // Create runtime policies with resource dependencies
     // const runtimePolicies = new RuntimePolicies(this, "RuntimePolicies", {
@@ -141,7 +141,7 @@ export class EpsAssistMeStack extends Stack {
     })
 
     // Ensure knowledge base waits for vector index
-    vectorKB.knowledgeBase.node.addDependency(vectorIndex.cfnIndex)
+    //vectorKB.knowledgeBase.node.addDependency(vectorIndex.cfnIndex)
 
     // Add S3 notification to trigger sync Lambda function
     // new S3LambdaNotification(this, "S3LambdaNotification", {