Source code for tests.system.docker.example_docker
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from __future__ import annotations
import os
from datetime import datetime
from airflow import models
from airflow.providers.docker.operators.docker import DockerOperator
from airflow.providers.standard.operators.bash import BashOperator
[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
with models.DAG(
DAG_ID,
schedule="@once",
start_date=datetime(2021, 1, 1),
catchup=False,
tags=["example", "docker"],
) as dag:
[docs] t1 = BashOperator(task_id="print_date", bash_command="date", dag=dag)
t2 = BashOperator(task_id="sleep", bash_command="sleep 5", retries=3, dag=dag)
# [START howto_operator_docker]
t3 = DockerOperator(
docker_url="unix://var/run/docker.sock", # Set your docker URL
command="/bin/sleep 30",
image="centos:latest",
network_mode="bridge",
task_id="docker_op_tester",
dag=dag,
)
# [END howto_operator_docker]
t4 = BashOperator(task_id="print_hello", bash_command='echo "hello world!!!"', dag=dag)
# t1 >> t2
# t1 >> t3
# t3 >> t4
(
# TEST BODY
t1 >> [t2, t3] >> t4
)
from tests_common.test_utils.system_tests import get_test_run # noqa: E402
# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)