lb2

lb2.py

@@ -2,6 +2,7 @@ import boto3
 import base64
 from USER_DATA import user_data
 import json
+import time
 
 # Configuration variables
 PREFIX = "s464863"
@@ -246,6 +247,22 @@ def create_ec2_instances(ec2_client, launch_template_id, subnet_id):
     return instance_ids
 
 
+def wait_for_instances_to_run(ec2_client, instance_ids):
+    print("Waiting for EC2 instances to be in 'running' state...")
+
+    while True:
+        # Get state of instances
+        response = ec2_client.describe_instances(InstanceIds=instance_ids)
+        states = [reservation['Instances'][0]['State']['Name'] for reservation in response['Reservations']]
+
+        # Check if all instances are running
+        if all(state == 'running' for state in states):
+            print("All EC2 instances are now 'running'.")
+            break
+        else:
+            print("Waiting for EC2 instances to reach 'running' state...")
+            time.sleep(10)
+
 # Main function
 def main():
     # EC2 client