Source code for tests.system.providers.amazon.aws.example_gcs_to_s3

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from __future__ import annotations

from datetime import datetime

from airflow import DAG
from airflow.models.baseoperator import chain
from airflow.providers.amazon.aws.operators.s3 import S3CreateBucketOperator, S3DeleteBucketOperator
from airflow.providers.amazon.aws.transfers.gcs_to_s3 import GCSToS3Operator
from airflow.utils.trigger_rule import TriggerRule
from tests.system.providers.amazon.aws.utils import SystemTestContextBuilder


[docs]sys_test_context_task = SystemTestContextBuilder().build()



[docs]DAG_ID = "example_gcs_to_s3"


with DAG(
    dag_id=DAG_ID,
    schedule="@once",
    start_date=datetime(2021, 1, 1),
    tags=["example"],
    catchup=False,
) as dag:

[docs]    test_context = sys_test_context_task()

    env_id = test_context["ENV_ID"]

    s3_bucket = f"{env_id}-gcs-to-s3-bucket"
    s3_key = f"{env_id}-gcs-to-s3-key"

    create_s3_bucket = S3CreateBucketOperator(task_id="create_s3_bucket", bucket_name=s3_bucket)

    # [START howto_transfer_gcs_to_s3]
    gcs_to_s3 = GCSToS3Operator(
        task_id="gcs_to_s3",
        bucket=s3_bucket,
        dest_s3_key=s3_key,
        replace=True,
    )
    # [END howto_transfer_gcs_to_s3]

    delete_s3_bucket = S3DeleteBucketOperator(
        task_id="delete_s3_bucket",
        bucket_name=s3_bucket,
        force_delete=True,
        trigger_rule=TriggerRule.ALL_DONE,
    )

    chain(
        # TEST SETUP
        test_context,
        create_s3_bucket,
        # TEST BODY
        gcs_to_s3,
        # TEST TEARDOWN
        delete_s3_bucket,
    )

    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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