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Fallback to parse dag_file when no dag in the db #23738

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Merged
potiuk merged 1 commit into from
May 18, 2022
Merged

Fallback to parse dag_file when no dag in the db #23738

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6 changes: 5 additions & 1 deletion airflow/cli/commands/task_command.py
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Original file line number Diff line number Diff line change
Expand Up @@ -358,7 +358,11 @@ def task_run(args, dag=None):
dag = get_dag_by_pickle(args.pickle)
elif not dag:
if args.local:
dag = get_dag_by_deserialization(args.dag_id)
try:
dag = get_dag_by_deserialization(args.dag_id)
except AirflowException:
print(f'DAG {args.dag_id} does not exist in the database, trying to parse the dag_file')
dag = get_dag(args.subdir, args.dag_id)
else:
dag = get_dag(args.subdir, args.dag_id)
else:
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32 changes: 32 additions & 0 deletions tests/cli/commands/test_task_command.py
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Expand Up @@ -152,6 +152,38 @@ def test_run_get_serialized_dag(self, mock_local_job, mock_get_dag_by_deserializ
)
mock_get_dag_by_deserialization.assert_called_once_with(self.dag_id)

@mock.patch("airflow.cli.commands.task_command.get_dag_by_deserialization")
@mock.patch("airflow.cli.commands.task_command.LocalTaskJob")
def test_run_get_serialized_dag_fallback(self, mock_local_job, mock_get_dag_by_deserialization):
"""
Fallback to parse dag_file when serialized dag does not exist in the db
"""
task_id = self.dag.task_ids[0]
args = [
'tasks',
'run',
'--ignore-all-dependencies',
'--local',
self.dag_id,
task_id,
self.run_id,
]
mock_get_dag_by_deserialization.side_effect = mock.Mock(side_effect=AirflowException('Not found'))

task_command.task_run(self.parser.parse_args(args))
mock_local_job.assert_called_once_with(
task_instance=mock.ANY,
mark_success=False,
ignore_all_deps=True,
ignore_depends_on_past=False,
ignore_task_deps=False,
ignore_ti_state=False,
pickle_id=None,
pool=None,
external_executor_id=None,
)
mock_get_dag_by_deserialization.assert_called_once_with(self.dag_id)

@mock.patch("airflow.cli.commands.task_command.LocalTaskJob")
def test_run_with_existing_dag_run_id(self, mock_local_job):
"""
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