GuoJiaqi created AIRFLOW-4494:
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Summary: Unwanted kwarg shell=True in DaskExecutor
Key: AIRFLOW-4494
URL: https://issues.apache.org/jira/browse/AIRFLOW-4494
Project: Apache Airflow
Issue Type: Bug
Components: executor
Affects Versions: 1.10.3
Reporter: GuoJiaqi
This line:
[https://github.com/apache/airflow/blob/master/airflow/executors/dask_executor.py#L68]
If {{Popen}} is with {{shell=True}} and args is a list, the first item of list
specifies the command string, the other items are the arguments of /bin/sh on
POSIX.
So the command {{airflow run ...}} will raise an error from dask-worker:
{code:java}
usage: airflow [-h]
{backfill,list_dag_runs,list_tasks,clear,pause,unpause,trigger_dag,delete_dag,pool,variables,kerberos,render,run,initdb,list_dags,dag_state,task_failed_deps,task_state,serve_logs,test,webserver,resetdb,upgradedb,scheduler,worker,flower,version,connections,create_user,delete_user,list_users,sync_perm,next_execution,rotate_fernet_key}
...
airflow: error: the following arguments are required: subcommand
distributed.worker - WARNING - Compute Failed
Function: airflow_run
args: ()
kwargs: {}
Exception: CalledProcessError(2, ['airflow', 'run', 'tutorial', 'print_date',
'2019-05-08T00:00:00+00:00', '--local', '-sd',
'/Users/<me>/projects/dask_airflow/.venv/lib/python3.6/site-packages/airflow/example_dags/tutorial.py']){code}
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