def new(db: "MephistoDB", task_run: TaskRun,
assignment_data: Optional[Dict[str, Any]]) -> "Assignment":
"""
Create an assignment for the given task. Initialize the folders for storing
the results for this assignment. Can take assignment_data to save and
load for this particular assignment.
"""
# TODO(101) consider offloading this state management to the MephistoDB
# as it is data handling and can theoretically be done differently
# in different implementations
db_id = db.new_assignment(
task_run.db_id,
task_run.requester_id,
task_run.task_type,
task_run.provider_type,
task_run.sandbox,
)
run_dir = task_run.get_run_dir()
assign_dir = os.path.join(run_dir, db_id)
os.makedirs(assign_dir)
if assignment_data is not None:
with open(os.path.join(assign_dir, ASSIGNMENT_DATA_FILE),
"w+") as json_file:
json.dump(assignment_data, json_file)
assignment = Assignment(db, db_id)
logger.debug(f"{assignment} created for {task_run}")
return assignment
def validate_and_run_config_or_die(
self,
run_config: DictConfig,
shared_state: Optional[SharedTaskState] = None) -> str:
"""
Parse the given arguments and launch a job.
"""
if shared_state is None:
shared_state = SharedTaskState()
# First try to find the requester:
requester_name = run_config.provider.requester_name
requesters = self.db.find_requesters(requester_name=requester_name)
if len(requesters) == 0:
if run_config.provider.requester_name == "MOCK_REQUESTER":
requesters = [get_mock_requester(self.db)]
else:
raise EntryDoesNotExistException(
f"No requester found with name {requester_name}")
requester = requesters[0]
requester_id = requester.db_id
provider_type = requester.provider_type
assert provider_type == run_config.provider._provider_type, (
f"Found requester for name {requester_name} is not "
f"of the specified type {run_config.provider._provider_type}, "
f"but is instead {provider_type}.")
# Next get the abstraction classes, and run validation
# before anything is actually created in the database
blueprint_type = run_config.blueprint._blueprint_type
architect_type = run_config.architect._architect_type
BlueprintClass = get_blueprint_from_type(blueprint_type)
ArchitectClass = get_architect_from_type(architect_type)
CrowdProviderClass = get_crowd_provider_from_type(provider_type)
BlueprintClass.assert_task_args(run_config, shared_state)
ArchitectClass.assert_task_args(run_config, shared_state)
CrowdProviderClass.assert_task_args(run_config, shared_state)
# Find an existing task or create a new one
task_name = run_config.task.get("task_name", None)
if task_name is None:
task_name = blueprint_type
logger.warning(
f"Task is using the default blueprint name {task_name} as a name, "
"as no task_name is provided")
tasks = self.db.find_tasks(task_name=task_name)
task_id = None
if len(tasks) == 0:
task_id = self.db.new_task(task_name, blueprint_type)
else:
task_id = tasks[0].db_id
logger.info(f"Creating a task run under task name: {task_name}")
# Create a new task run
new_run_id = self.db.new_task_run(
task_id,
requester_id,
json.dumps(OmegaConf.to_container(run_config, resolve=True)),
provider_type,
blueprint_type,
requester.is_sandbox(),
)
task_run = TaskRun(self.db, new_run_id)
try:
# Register the blueprint with args to the task run,
# ensure cached
blueprint = task_run.get_blueprint(args=run_config,
shared_state=shared_state)
# If anything fails after here, we have to cleanup the architect
build_dir = os.path.join(task_run.get_run_dir(), "build")
os.makedirs(build_dir, exist_ok=True)
architect = ArchitectClass(self.db, run_config, shared_state,
task_run, build_dir)
# Setup and deploy the server
built_dir = architect.prepare()
task_url = architect.deploy()
# TODO(#102) maybe the cleanup (destruction of the server configuration?) should only
# happen after everything has already been reviewed, this way it's possible to
# retrieve the exact build directory to review a task for real
architect.cleanup()
# Create the backend runner
task_runner = BlueprintClass.TaskRunnerClass(
task_run, run_config, shared_state)
# Small hack for auto appending block qualification
existing_qualifications = shared_state.qualifications
if run_config.blueprint.get("block_qualification",
None) is not None:
existing_qualifications.append(
make_qualification_dict(
run_config.blueprint.block_qualification,
QUAL_NOT_EXIST, None))
if run_config.blueprint.get("onboarding_qualification",
None) is not None:
existing_qualifications.append(
make_qualification_dict(
OnboardingRequired.get_failed_qual(
run_config.blueprint.onboarding_qualification),
QUAL_NOT_EXIST,
None,
))
shared_state.qualifications = existing_qualifications
# Register the task with the provider
provider = CrowdProviderClass(self.db)
provider.setup_resources_for_task_run(task_run, run_config,
shared_state, task_url)
initialization_data_array = blueprint.get_initialization_data()
# Link the job together
job = self.supervisor.register_job(architect, task_runner,
provider,
existing_qualifications)
if self.supervisor.sending_thread is None:
self.supervisor.launch_sending_thread()
except (KeyboardInterrupt, Exception) as e:
logger.error(
"Encountered error while launching run, shutting down",
exc_info=True)
try:
architect.shutdown()
except (KeyboardInterrupt, Exception) as architect_exception:
logger.exception(
f"Could not shut down architect: {architect_exception}",
exc_info=True,
)
raise e
launcher = TaskLauncher(self.db, task_run, initialization_data_array)
launcher.create_assignments()
launcher.launch_units(task_url)
self._task_runs_tracked[task_run.db_id] = TrackedRun(
task_run=task_run,
task_launcher=launcher,
task_runner=task_runner,
architect=architect,
job=job,
)
task_run.update_completion_progress(status=False)
return task_run.db_id
def _create_live_task_run(
self,
run_config: DictConfig,
shared_state: SharedTaskState,
task_run: TaskRun,
architect_class: Type["Architect"],
blueprint_class: Type["Blueprint"],
provider_class: Type["CrowdProvider"],
) -> LiveTaskRun:
"""
Initialize all of the members of a live task run object
"""
# Register the blueprint with args to the task run to ensure cached
blueprint = task_run.get_blueprint(args=run_config,
shared_state=shared_state)
# prepare the architect
build_dir = os.path.join(task_run.get_run_dir(), "build")
os.makedirs(build_dir, exist_ok=True)
architect = architect_class(self.db, run_config, shared_state,
task_run, build_dir)
# Create the backend runner
task_runner = blueprint_class.TaskRunnerClass(task_run, run_config,
shared_state)
# Small hack for auto appending block qualification
# TODO(OWN) we can use blueprint.mro() to discover BlueprintMixins and extract from there
existing_qualifications = shared_state.qualifications
if run_config.blueprint.get("block_qualification", None) is not None:
existing_qualifications.append(
make_qualification_dict(
run_config.blueprint.block_qualification, QUAL_NOT_EXIST,
None))
if run_config.blueprint.get("onboarding_qualification",
None) is not None:
existing_qualifications.append(
make_qualification_dict(
OnboardingRequired.get_failed_qual(
run_config.blueprint.onboarding_qualification),
QUAL_NOT_EXIST,
None,
))
shared_state.qualifications = existing_qualifications
# Create provider
provider = provider_class(self.db)
# Create the launcher
initialization_data_iterable = blueprint.get_initialization_data()
launcher = TaskLauncher(
self.db,
task_run,
initialization_data_iterable,
max_num_concurrent_units=run_config.task.max_num_concurrent_units,
)
worker_pool = WorkerPool(self.db)
client_io = ClientIOHandler(self.db)
live_run = LiveTaskRun(
task_run=task_run,
architect=architect,
blueprint=blueprint,
provider=provider,
qualifications=shared_state.qualifications,
task_runner=task_runner,
task_launcher=launcher,
client_io=client_io,
worker_pool=worker_pool,
loop_wrap=self._loop_wrapper,
)
worker_pool.register_run(live_run)
client_io.register_run(live_run)
return live_run
