Source code for tests.system.providers.docker.example_docker

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import os
from datetime import datetime

from airflow import models
from airflow.operators.bash import BashOperator
from airflow.providers.docker.operators.docker import DockerOperator

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = 'docker_test'

with models.DAG(
    DAG_ID,
    schedule_interval="@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.system.utils 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)