check ec2 instances

ec2-check.py

import boto3

def lambda_handler(event, context):
    # List of EC2 instance IDs to check
    instance_ids_to_check = ['i-08ac25730cea1a2a0', 'i-05f6ac34768663efc', 'i-0123456789abcdef2']

    # Print the list of instances to check
    print(f"Instances to check: {instance_ids_to_check}")

    # Check the EC2 instance state for each instance in the list
    ec2_client = boto3.client('ec2')

    for instance_id in instance_ids_to_check:
        try:
            response = ec2_client.describe_instances(InstanceIds=[instance_id])
            instance_state = response['Reservations'][0]['Instances'][0]['State']['Name']
            print(f"Current State of EC2 Instance {instance_id}: {instance_state}")

            if(instance_state == 'running'):
                print("running")
            else:
                print("not running")  


            # Add your custom logic based on the instance state if needed
            # For example, send a notification, perform an action, etc.

        except Exception as e:
            print(f"Error checking state for instance {instance_id}: {e}")
            # send email regarding error
            # Add error handling logic as needed

    # You can return a response if necessary
    return {
        'statusCode': 200,
        'body': 'Function executed successfully!'
    }