glance.task_cancellation_tracker module

glance.task_cancellation_tracker.cancel_operation(operation_id)

Mark an operation as canceled by writing to the lock file if it exists.

glance.task_cancellation_tracker.get_data_dir()

Return the filesystem store data directory from config.

glance.task_cancellation_tracker.is_canceled(operation_id)

Check if the operation has been canceled (file exists and is nonzero length).

glance.task_cancellation_tracker.path_for_op(operation_id, prefix='running-task-')

Construct the file path for a given operation ID.

glance.task_cancellation_tracker.register_operation(operation_id)

Register a new operation by creating a lock file.

glance.task_cancellation_tracker.signal_finished(operation_id)

Remove the lock file to signal that the operation is canceled.