Source code for tests.system.providers.singularity.example_singularity

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from __future__ import annotations

import os
from datetime import datetime, timedelta

from airflow import DAG
from airflow.operators.bash import BashOperator
from airflow.providers.singularity.operators.singularity import SingularityOperator

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = "singularity_sample"
with DAG( DAG_ID, default_args={"retries": 1}, schedule=timedelta(minutes=10), start_date=datetime(2021, 1, 1), catchup=False, ) as dag:
[docs] t1 = BashOperator(task_id="print_date", bash_command="date")
t2 = BashOperator(task_id="sleep", bash_command="sleep 5", retries=3) t3 = SingularityOperator( command="/bin/sleep 30", image="docker://busybox:1.30.1", task_id="singularity_op_tester", ) t4 = BashOperator(task_id="print_hello", bash_command='echo "hello world!!!"') t1 >> [t2, t3] t3 >> t4 from tests.system.utils import get_test_run # noqa: E402 # Needed to run the example DAG with pytest (see: tests/system/
[docs]test_run = get_test_run(dag)

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