def test_serialize(self, session):
dagrun_model = DagRun(
run_id="my-dag-run",
run_type=DagRunType.MANUAL.value,
execution_date=timezone.parse(self.default_time),
start_date=timezone.parse(self.default_time),
conf='{"start": "stop"}',
)
session.add(dagrun_model)
session.commit()
dagrun_model = session.query(DagRun).first()
deserialized_dagrun = dagrun_schema.dump(dagrun_model)
self.assertEqual(
deserialized_dagrun,
{
"dag_id": None,
"dag_run_id": "my-dag-run",
"end_date": None,
"state": "running",
"execution_date": self.default_time,
"external_trigger": True,
"start_date": self.default_time,
"conf": {"start": "stop"},
},
)
def update_dag_run_state(*,
dag_id: str,
dag_run_id: str,
session: Session = NEW_SESSION) -> APIResponse:
"""Set a state of a dag run."""
dag_run: Optional[DagRun] = (session.query(DagRun).filter(
DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none())
if dag_run is None:
error_message = f'Dag Run id {dag_run_id} not found in dag {dag_id}'
raise NotFound(error_message)
try:
post_body = set_dagrun_state_form_schema.load(get_json_request_dict())
except ValidationError as err:
raise BadRequest(detail=str(err))
state = post_body['state']
dag = get_airflow_app().dag_bag.get_dag(dag_id)
if state == DagRunState.SUCCESS:
set_dag_run_state_to_success(dag=dag,
run_id=dag_run.run_id,
commit=True)
elif state == DagRunState.QUEUED:
set_dag_run_state_to_queued(dag=dag,
run_id=dag_run.run_id,
commit=True)
else:
set_dag_run_state_to_failed(dag=dag,
run_id=dag_run.run_id,
commit=True)
dag_run = session.query(DagRun).get(dag_run.id)
return dagrun_schema.dump(dag_run)
def test_serialze(self, session):
dagrun_model = DagRun(run_id='my-dag-run',
run_type=DagRunType.MANUAL.value,
execution_date=timezone.parse(self.default_time),
start_date=timezone.parse(self.default_time),
conf='{"start": "stop"}'
)
session.add(dagrun_model)
session.commit()
dagrun_model = session.query(DagRun).first()
deserialized_dagrun = dagrun_schema.dump(dagrun_model)
self.assertEqual(
deserialized_dagrun,
{
'dag_id': None,
'dag_run_id': 'my-dag-run',
'end_date': None,
'state': 'running',
'execution_date': self.default_time,
'external_trigger': True,
'start_date': self.default_time,
'conf': {"start": "stop"}
}
)
def post_dag_run(dag_id, session):
"""Trigger a DAG."""
if not session.query(DagModel).filter(DagModel.dag_id == dag_id).first():
raise NotFound(title="DAG not found",
detail=f"DAG with dag_id: '{dag_id}' not found")
try:
post_body = dagrun_schema.load(request.json, session=session)
except ValidationError as err:
raise BadRequest(detail=str(err))
dagrun_instance = (session.query(DagRun).filter(
DagRun.dag_id == dag_id,
or_(DagRun.run_id == post_body["run_id"],
DagRun.execution_date == post_body["execution_date"]),
).first())
if not dagrun_instance:
dag_run = DagRun(dag_id=dag_id,
run_type=DagRunType.MANUAL,
**post_body)
session.add(dag_run)
session.commit()
return dagrun_schema.dump(dag_run)
if dagrun_instance.execution_date == post_body["execution_date"]:
raise AlreadyExists(
detail=f"DAGRun with DAG ID: '{dag_id}' and "
f"DAGRun ExecutionDate: '{post_body['execution_date']}' already exists"
)
raise AlreadyExists(
detail=
f"DAGRun with DAG ID: '{dag_id}' and DAGRun ID: '{post_body['run_id']}' already exists"
)
def get_dag_run(dag_id, dag_run_id, session):
"""
Get a DAG Run.
"""
dag_run = session.query(DagRun).filter(DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none()
if dag_run is None:
raise NotFound("DAGRun not found")
return dagrun_schema.dump(dag_run)
def get_dag_run(*, dag_id: str, dag_run_id: str, session: Session = NEW_SESSION) -> APIResponse:
"""Get a DAG Run."""
dag_run = session.query(DagRun).filter(DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none()
if dag_run is None:
raise NotFound(
"DAGRun not found",
detail=f"DAGRun with DAG ID: '{dag_id}' and DagRun ID: '{dag_run_id}' not found",
)
return dagrun_schema.dump(dag_run)
def post_dag_run(*,
dag_id: str,
session: Session = NEW_SESSION) -> APIResponse:
"""Trigger a DAG."""
dm = session.query(DagModel).filter(DagModel.dag_id == dag_id).first()
if not dm:
raise NotFound(title="DAG not found",
detail=f"DAG with dag_id: '{dag_id}' not found")
if dm.has_import_errors:
raise BadRequest(
title="DAG cannot be triggered",
detail=f"DAG with dag_id: '{dag_id}' has import errors",
)
try:
post_body = dagrun_schema.load(get_json_request_dict(),
session=session)
except ValidationError as err:
raise BadRequest(detail=str(err))
logical_date = pendulum.instance(post_body["execution_date"])
run_id = post_body["run_id"]
dagrun_instance = (session.query(DagRun).filter(
DagRun.dag_id == dag_id,
or_(DagRun.run_id == run_id, DagRun.execution_date == logical_date),
).first())
if not dagrun_instance:
try:
dag = get_airflow_app().dag_bag.get_dag(dag_id)
dag_run = dag.create_dagrun(
run_type=DagRunType.MANUAL,
run_id=run_id,
execution_date=logical_date,
data_interval=dag.timetable.infer_manual_data_interval(
run_after=logical_date),
state=DagRunState.QUEUED,
conf=post_body.get("conf"),
external_trigger=True,
dag_hash=get_airflow_app().dag_bag.dags_hash.get(dag_id),
)
return dagrun_schema.dump(dag_run)
except ValueError as ve:
raise BadRequest(detail=str(ve))
if dagrun_instance.execution_date == logical_date:
raise AlreadyExists(detail=(
f"DAGRun with DAG ID: '{dag_id}' and "
f"DAGRun logical date: '{logical_date.isoformat(sep=' ')}' already exists"
), )
raise AlreadyExists(
detail=
f"DAGRun with DAG ID: '{dag_id}' and DAGRun ID: '{run_id}' already exists"
)
def update_dag_run_state(dag_id: str, dag_run_id: str, session) -> dict:
"""Set a state of a dag run."""
dag_run: Optional[DagRun] = (session.query(DagRun).filter(
DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none())
if dag_run is None:
error_message = f'Dag Run id {dag_run_id} not found in dag {dag_id}'
raise NotFound(error_message)
try:
post_body = set_dagrun_state_form_schema.load(request.json)
except ValidationError as err:
raise BadRequest(detail=str(err))
state = post_body['state']
dag_run.set_state(state=DagRunState(state))
session.merge(dag_run)
return dagrun_schema.dump(dag_run)
def post_dag_run(dag_id, session):
"""Trigger a DAG."""
if not session.query(DagModel).filter(DagModel.dag_id == dag_id).first():
raise NotFound(title="DAG not found", detail=f"DAG with dag_id: '{dag_id}' not found")
post_body = dagrun_schema.load(request.json, session=session)
dagrun_instance = (
session.query(DagRun).filter(DagRun.dag_id == dag_id, DagRun.run_id == post_body["run_id"]).first()
)
if not dagrun_instance:
dag_run = DagRun(dag_id=dag_id, run_type=DagRunType.MANUAL, **post_body)
session.add(dag_run)
session.commit()
return dagrun_schema.dump(dag_run)
raise AlreadyExists(
detail=f"DAGRun with DAG ID: '{dag_id}' and DAGRun ID: '{post_body['run_id']}' already exists"
)
def post_dag_run(dag_id, session):
"""Trigger a DAG."""
if not session.query(DagModel).filter(DagModel.dag_id == dag_id).first():
raise NotFound(title="DAG not found", detail=f"DAG with dag_id: '{dag_id}' not found")
try:
post_body = dagrun_schema.load(request.json, session=session)
except ValidationError as err:
raise BadRequest(detail=str(err))
logical_date = pendulum.instance(post_body["execution_date"])
run_id = post_body["run_id"]
dagrun_instance = (
session.query(DagRun)
.filter(
DagRun.dag_id == dag_id,
or_(DagRun.run_id == run_id, DagRun.execution_date == logical_date),
)
.first()
)
if not dagrun_instance:
try:
dag = current_app.dag_bag.get_dag(dag_id)
dag_run = dag.create_dagrun(
run_type=DagRunType.MANUAL,
run_id=run_id,
execution_date=logical_date,
data_interval=dag.timetable.infer_manual_data_interval(run_after=logical_date),
state=State.QUEUED,
conf=post_body.get("conf"),
external_trigger=True,
dag_hash=current_app.dag_bag.dags_hash.get(dag_id),
)
return dagrun_schema.dump(dag_run)
except ValueError as ve:
raise BadRequest(detail=str(ve))
if dagrun_instance.execution_date == logical_date:
raise AlreadyExists(
detail=(
f"DAGRun with DAG ID: '{dag_id}' and "
f"DAGRun logical date: '{logical_date.isoformat(sep=' ')}' already exists"
),
)
raise AlreadyExists(detail=f"DAGRun with DAG ID: '{dag_id}' and DAGRun ID: '{run_id}' already exists")
def clear_dag_run(*,
dag_id: str,
dag_run_id: str,
session: Session = NEW_SESSION) -> APIResponse:
"""Clear a dag run."""
dag_run: Optional[DagRun] = (session.query(DagRun).filter(
DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none())
if dag_run is None:
error_message = f'Dag Run id {dag_run_id} not found in dag {dag_id}'
raise NotFound(error_message)
try:
post_body = clear_dagrun_form_schema.load(get_json_request_dict())
except ValidationError as err:
raise BadRequest(detail=str(err))
dry_run = post_body.get('dry_run', False)
dag = get_airflow_app().dag_bag.get_dag(dag_id)
start_date = dag_run.logical_date
end_date = dag_run.logical_date
if dry_run:
task_instances = dag.clear(
start_date=start_date,
end_date=end_date,
task_ids=None,
include_subdags=True,
include_parentdag=True,
only_failed=False,
dry_run=True,
)
return task_instance_reference_collection_schema.dump(
TaskInstanceReferenceCollection(task_instances=task_instances))
else:
dag.clear(
start_date=start_date,
end_date=end_date,
task_ids=None,
include_subdags=True,
include_parentdag=True,
only_failed=False,
)
dag_run.refresh_from_db()
return dagrun_schema.dump(dag_run)
def update_dag_run_state(dag_id: str, dag_run_id: str, session) -> dict:
"""Set a state of a dag run."""
dag_run: Optional[DagRun] = (session.query(DagRun).filter(
DagRun.dag_id == dag_id, DagRun.run_id == dag_run_id).one_or_none())
if dag_run is None:
error_message = f'Dag Run id {dag_run_id} not found in dag {dag_id}'
raise NotFound(error_message)
try:
post_body = set_dagrun_state_form_schema.load(request.json)
except ValidationError as err:
raise BadRequest(detail=str(err))
state = post_body['state']
dag = current_app.dag_bag.get_dag(dag_id)
if state == State.SUCCESS:
set_dag_run_state_to_success(dag, dag_run.execution_date, commit=True)
else:
set_dag_run_state_to_failed(dag, dag_run.execution_date, commit=True)
dag_run = session.query(DagRun).get(dag_run.id)
return dagrun_schema.dump(dag_run)
def post_dag_run(dag_id, session):
"""Trigger a DAG."""
if not session.query(DagModel).filter(DagModel.dag_id == dag_id).first():
raise NotFound(title="DAG not found",
detail=f"DAG with dag_id: '{dag_id}' not found")
try:
post_body = dagrun_schema.load(request.json, session=session)
except ValidationError as err:
raise BadRequest(detail=str(err))
execution_date = post_body["execution_date"]
run_id = post_body["run_id"]
dagrun_instance = (session.query(DagRun).filter(
DagRun.dag_id == dag_id,
or_(DagRun.run_id == run_id, DagRun.execution_date == execution_date),
).first())
if not dagrun_instance:
dag_run = current_app.dag_bag.get_dag(dag_id).create_dagrun(
run_type=DagRunType.MANUAL,
run_id=run_id,
execution_date=execution_date,
state=State.QUEUED,
conf=post_body.get("conf"),
external_trigger=True,
dag_hash=current_app.dag_bag.dags_hash.get(dag_id),
)
return dagrun_schema.dump(dag_run)
if dagrun_instance.execution_date == execution_date:
raise AlreadyExists(
detail=f"DAGRun with DAG ID: '{dag_id}' and "
f"DAGRun ExecutionDate: '{post_body['execution_date']}' already exists"
)
raise AlreadyExists(
detail=
f"DAGRun with DAG ID: '{dag_id}' and DAGRun ID: '{post_body['run_id']}' already exists"
)
