pyexec.py

# -*- coding: utf-8 -*-
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"""
This is an example dag for using the Kubernetes Executor.
"""
import os

import airflow
from airflow.models import DAG
from airflow.operators.python_operator import PythonOperator

args = {
    'owner': 'Airflow',
    'start_date': airflow.utils.dates.days_ago(2)
}

dag = DAG(
    dag_id='example_python_executor', default_args=args,
    schedule_interval=None
)


def print_stuff():  # pylint: disable=missing-docstring
    print("stuff!")


def use_zip_binary():
    """
    Checks whether Zip is installed.
    :return: True if it is installed, False if not.
    :rtype: bool
    """
    return_code = os.system("zip")
    assert return_code == 0


# You don't have to use any special KubernetesExecutor configuration if you don't want to
start_task = PythonOperator(
    task_id="start_task", python_callable=print_stuff, dag=dag
)