def _delete_stack()

in blogs/ecs-canary-deployments-pipeline/shared_stack/lambda_functions/rollbackto_previous_canary/main.py [0:0]

• 19 lines of code
• 4 McCabe index (conditional complexity)

def _delete_stack(stack_name):
    """ Delete the old version of CloudFormation stack """

    retries = 3
    while True:
        try:
            CFN_CLIENT.delete_stack(
                StackName=stack_name
            )
            LOGGER.info("Waiting for stack to be deleted...")
            waiter = CFN_CLIENT.get_waiter('stack_delete_complete')
            waiter.wait(StackName=stack_name)
            LOGGER.info("Deleted the Canary stack: %s successfully.", stack_name)
            return True
        except WaiterError as _ex:
            retries-=1
            if retries<1:
                LOGGER.error("CloudFormation Stack deletion failed during the cleanup workflow.")
                return False
            LOGGER.info("Sleeping for 60seconds during the cleanup workflow before second attempt of cleanup.")
            time.sleep(60)