fix: wait for gateway target deletion to become consistent

Author: clareliguori

examples/servers/book-search/gateway_setup/teardown_gateway.py

@@ -2,6 +2,7 @@
 
 import json
 import os
+import time
 import boto3
 from botocore.config import Config
 
@@ -41,6 +42,11 @@ def main():
         )
         print(f"Deleted target: {target['targetId']}")
 
+    # Wait for target deletions to propagate
+    if targets["items"]:
+        print("Waiting for target deletions to propagate...")
+        time.sleep(5)
+
     # Delete gateway
     agentcore_client.delete_gateway(gatewayIdentifier=gateway_id)
 

examples/servers/dictionary/gateway_setup/teardown-gateway.ts

@@ -60,6 +60,12 @@ async function main() {
     console.log(`Deleted target: ${target.targetId}`);
   }
 
+  // Wait for target deletions to propagate
+  if (targets.items && targets.items.length > 0) {
+    console.log("Waiting for target deletions to propagate...");
+    await new Promise(resolve => setTimeout(resolve, 5000));
+  }
+
   // Delete gateway
   await agentCoreClient.send(
     new DeleteGatewayCommand({

examples/servers/zen/teardown_gateway.py

@@ -2,6 +2,7 @@
 
 import json
 import os
+import time
 import boto3
 from botocore.config import Config
 
@@ -41,6 +42,11 @@ def main():
         )
         print(f"Deleted target: {target['targetId']}")
 
+    # Wait for target deletions to propagate
+    if targets["items"]:
+        print("Waiting for target deletions to propagate...")
+        time.sleep(5)
+
     # Delete gateway
     agentcore_client.delete_gateway(gatewayIdentifier=gateway_id)