У меня есть метка, как показано ниже: ingest_excel.py:
from __future__ import print_function
import time
from builtins import range
from datetime import timedelta
from pprint import pprint
import airflow
from airflow.models import DAG
#from airflow.operators.bash_operator import BashOperator
from airflow.operators.python_operator import PythonOperator
args = {
'owner': 'rxie',
'start_date': airflow.utils.dates.days_ago(2),
}
dag = DAG(
dag_id='ingest_excel',
default_args=args,
schedule_interval='0 0 * * *',
dagrun_timeout=timedelta(minutes=60),
)
def print_context(**kwargs):
pprint("DAG info below:")
pprint(kwargs)
return 'Whatever you return gets printed in the logs'
t11_extract_excel_to_csv = PythonOperator(
task_id='t1_extract_excel_to_csv',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t12_upload_csv_to_hdfs_parquet = PythonOperator(
task_id='t12_upload_csv_to_hdfs_parquet',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t13_register_parquet_to_impala = PythonOperator(
task_id='t13_register_parquet_to_impala',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t21_text_to_parquet = PythonOperator(
task_id='t21_text_to_parquet',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t22_register_parquet_to_impala = PythonOperator(
task_id='t22_register_parquet_to_impala',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t31_verify_completion = PythonOperator(
task_id='t31_verify_completion',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t32_send_notification = PythonOperator(
task_id='t32_send_notification',
provide_context=True,
python_callable=print_context(),
op_kwargs=None,
dag=dag,
)
t11_extract_excel_to_csv >> t12_upload_csv_to_hdfs_parquet
t12_upload_csv_to_hdfs_parquet >> t13_register_parquet_to_impala
t21_text_to_parquet >> t22_register_parquet_to_impala
t13_register_parquet_to_impala >> t31_verify_completion
t22_register_parquet_to_impala >> t31_verify_completion
t31_verify_completion >> t32_send_notification
#if __name__ == "__main__":
# dag.cli()
В графическом интерфейсе DAG он запрашивает:
Сломанный DAG: [/ root / airflow / dags / ingest_excel.py] python_callable
param должен быть вызванза меня.
Заранее спасибо.