def cancel(workflow_id: str) -> None:
try:
workflow_manager = get_management_actor()
ray.get(workflow_manager.cancel_workflow.remote(workflow_id))
except ValueError:
wf_store = workflow_storage.get_workflow_storage(workflow_id)
wf_store.save_workflow_meta(WorkflowMetaData(WorkflowStatus.CANCELED))
def load_workflow_meta(self) -> Optional[WorkflowMetaData]:
"""Load the metadata of the current workflow.
Returns:
The metadata of the current workflow. If it doesn't exist,
return None.
"""
try:
metadata = asyncio_run(self._get(self._key_workflow_metadata(), True))
return WorkflowMetaData(status=WorkflowStatus(metadata["status"]))
except KeyNotFoundError:
return None