def delete_notebook_instance()

in assets/lambdas/lambdas.py [0:0]

• 22 lines of code
• 5 McCabe index (conditional complexity)

def delete_notebook_instance(instance_name):
    def _exists_with_status(instance_name, status):
        notebooks_with_status = sm_client.list_notebook_instances(
            NameContains=instance_name,
            StatusEquals=status
        )
        return instance_name in [
            ntbk['NotebookInstanceName'] for ntbk in notebooks_with_status['NotebookInstances']
        ]

    if _exists_with_status(instance_name, 'Pending'):
        waiter = sm_client.get_waiter('notebook_instance_in_service')
        waiter.wait(NotebookInstanceName=instance_name)

    if _exists_with_status(instance_name, 'InService'):
        sm_client.stop_notebook_instance(
            NotebookInstanceName=instance_name
        )
        waiter = sm_client.get_waiter('notebook_instance_stopped')
        waiter.wait(NotebookInstanceName=instance_name)

    if _exists_with_status(instance_name, 'Stopped'):
        sm_client.delete_notebook_instance(NotebookInstanceName=instance_name)
    else:
        print(f'Warning! Cannot delete {instance_name}: not found in none of the states: pending, in service or stopped.')