Source code for tests.system.providers.yandex.example_yandexcloud_dataproc_lightweight

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from __future__ import annotations

import os
from datetime import datetime

from airflow import DAG
from airflow.providers.yandex.operators.yandexcloud_dataproc import (
    DataprocCreateClusterOperator,
    DataprocCreateSparkJobOperator,
    DataprocDeleteClusterOperator,
)

# Name of the datacenter where Dataproc cluster will be created
from airflow.utils.trigger_rule import TriggerRule

# should be filled with appropriate ids



[docs]AVAILABILITY_ZONE_ID = "ru-central1-c"


# Dataproc cluster will use this bucket as distributed storage

[docs]S3_BUCKET_NAME = ""



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


[docs]DAG_ID = "example_yandexcloud_dataproc_lightweight"


with DAG(
    DAG_ID,
    schedule=None,
    start_date=datetime(2021, 1, 1),
    tags=["example"],
) as dag:

[docs]    create_cluster = DataprocCreateClusterOperator(
        task_id="create_cluster",
        zone=AVAILABILITY_ZONE_ID,
        s3_bucket=S3_BUCKET_NAME,
        computenode_count=1,
        datanode_count=0,
        services=("SPARK", "YARN"),
    )


    create_spark_job = DataprocCreateSparkJobOperator(
        cluster_id=create_cluster.cluster_id,
        task_id="create_spark_job",
        main_jar_file_uri="file:///usr/lib/spark/examples/jars/spark-examples.jar",
        main_class="org.apache.spark.examples.SparkPi",
        args=["1000"],
    )

    delete_cluster = DataprocDeleteClusterOperator(
        cluster_id=create_cluster.cluster_id,
        task_id="delete_cluster",
        trigger_rule=TriggerRule.ALL_DONE,
    )
    create_spark_job >> delete_cluster

    from tests.system.utils.watcher import watcher

    # This test needs watcher in order to properly mark success/failure
    # when "teardown" task with trigger rule is part of the DAG
    list(dag.tasks) >> watcher()

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)

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