Generate Mock CloudFormation Stack Events in Python

import json
import random
from datetime import datetime, timedelta

def generate_mock_stack_events(stack_name="MyTestStack", num_events=10):
    """Generate a list of mock CloudFormation stack events."""
    resources = [
        ("AWS::S3::Bucket", "MyBucket"),
        ("AWS::EC2::Instance", "MyInstance"),
        ("AWS::IAM::Role", "MyRole"),
        ("AWS::SNS::Topic", "MyTopic"),
        ("AWS::Lambda::Function", "MyFunction")
    ]
    statuses = ["CREATE_IN_PROGRESS", "CREATE_COMPLETE", "UPDATE_IN_PROGRESS", "UPDATE_COMPLETE"]
    logical_ids = [f"{resource_type.split('::')[-1]}{idx}" for idx, (resource_type, _) in enumerate(resources)]
    
    events = []
    start_time = datetime.utcnow() - timedelta(minutes=num_events)
    
    for i in range(num_events):
        resource_type, resource_name = random.choice(resources)
        event = {
            "StackName": stack_name,
            "EventId": f"{stack_name}-{i:04d}-{random.randint(1000, 9999)}",
            "LogicalResourceId": random.choice(logical_ids),
            "PhysicalResourceId": f"arn:aws:{resource_name.lower()}:{random.randint(10000, 99999)}",
            "ResourceType": resource_type,
            "Timestamp": (start_time + timedelta(minutes=i)).isoformat() + "Z",
            "ResourceStatus": random.choice(statuses),
            "ResourceStatusReason": "User Initiated" if i % 2 == 0 else "Resource creation successful"
        }
        events.append(event)
    
    for event in events:
        print(json.dumps(event, indent=2))
    
    return events

if __name__ == "__main__":
    stack_events = generate_mock_stack_events("ProductionStack", 5)
    print(f"\nGenerated {len(stack_events)} stack events.")